STATGRAPHICS has been used to analyze data in many fields. The
case studies summarized on this page are representative of the
types of analyses that have been performed. (NOTE: If you have
an application that you would like to have considered for
inclusion on this page, please send it to
Source: Garyounis Scientific Bulletin, 2008, Special Issue,
Authors: Brenda R. Benefit, Monte McCrossin, Noel T. Boaz,
and Paris Pavlakis
From the Introduction
The discovery of two new well-preserved Old World monkey
specimens at As Sahabi by the East Libya Neogene Research
project during 2007 adds significantly to our knowledge of early
stages in cercopithecoid evolution.
Brenda Benefit and Elizabeth Lynch, New Mexico State University
In this study we compare molar size and shape in 15 mya samples
from three stratigraphic levels at Maboko Island. Our goal is
to determine whether differences exist between samples from
these three levels and whether observed size or shape
differences reflect differences in habitat or time.
Source: Statistical Case Studies for Process Improvementedited by Veronica Czitrom and Patrick D. Spagon, ASA–SIAM
Series on Statistics and Applied Probability
The following case study shows how design of experiments,
statistical process control, and ordinary least squares
regression each play a role in the calibration of a Digilab
SQ-200 FTIR apparatus...
Authors: Carmen Capilla and Amparo Montesinos, Department of
Statistics and Operations Research, Polytechnic University of
considers the current situation of environmental science studies
in Spain and discusses the role of statistics in them. A course
organization and its teaching methodology, in which theory and
practice has been integrated, is presented.
and Maintainability Symposium, 1993
Summary At the LKAB Kiruna Iron Ore Mine in Sweden, reliability
and maintainability analysis techniques have been gradually
accepted as standard tools for planning and operation of
automatic and complex mining systems since the mid-1980s. The
reliability analysis and modeling of the production system at
the Kiruna mine are discussed...
The storage time of beech forest biomass units in northern
Greece were recorded through time studies in different stands,
at the roadside, and at the mill yard. Probability distribution
of each recorded storage time was assessed...
Authors: R. Romero, A. Ferrer, C. Capilla, L. Zunica, S. Balasch,
V. Serra, and R. Alcover,Polytechnic University of Valencia
Journal of Statistics Education v.3, n.1
In recent years, the growing consciousness of the importance of
statistics in the training of engineers has been accompanied in
the western world by an increasing dissatisfaction with the
teaching of statistics in universities...
Authors: William L. Ruoff, Gary L. Diamond, Susan F. Velazquez,
William M. Stiteler, Daniea J. Gefell
Source: Regulatory Toxicology and Pharmacology 20, 139-160
Published studies in which rats were exposed to CdCl2
in standard chow or drinking water were analyzed to compare the
relative bioavailability of cadmium from the two media. Relative
bioavailability was assessed from estimates of the rate of
accumulation of cadmium in kidney cortex or liver...
The product selected for detailed study was a cored grey iron
disc, cast in a five cavity mould, subject to rejection at a
highly variable rate. The behaviour of process variables in the
sub-systems of green sand, core making, metal pouring and
metallurgical composition was analysed to detect any
statistically significant correlations with the incidence of
blisters, which was the predominant cause of rejection...
The problem under study was to investigate the comparative
effectiveness of teaching English grammar with the help of
textbook (deductive method) and by using group work activities
(inductive teaching model)...
Source: Journal of Manufacturing Technology Management
Making improvements in products or in processes can be
one of the most challenging tasks confronting an
organization. This paper uses design of experiment (DOE)
to identify causes of defects associated with plastic
injection molding processes at the early phases of
designing processes and operations...
Authors: Karl-Otto Zeißler, Kerstin Nindel and
Source: Uranium in the Environment: Mining Impact and
Consequences Springer, 2006
A water mixing model has been developed which supports the
decision for evaluating the influence of groundwater by
contaminated water...The model has been implemented in a
software program and tested on the basis of the flooding data of
the mine Königstein.
...The selection of a sterilization method, the cycle
development, and the process validation performed by the
company’s microbiology and research teams provide a practical
case study for manufacturers contemplating upgrading or bringing
their own sterilization processes in-house.
Authors: Derk Somsen, Anthony
Capelle and Johannes Tramper
Source: Journal of Food Engineering, 2004
The paper outlines a case study where the PYA-method (production
yield analysis) was implemented at a poultry-slaughtering line,
processing 9000 broiler chicks per hour. It was shown that the
average live weight of a flock of broilers could be used to
predict the maximum production yield of the parts (fillet, legs,
Authors : Marcelo O. Bello,
Marcela P. Tolaba,
Universidad de Buenos Aires
Source: International Journal of Food Engineering, 2008
Hydration of rough rice under vacuum (0.01, 0.03, 0.06, 0.08 MPa)
and pressure (0.25, 0.4, 0.55 and 0.7 MPa) was conducted at 15°,
35° and 55°C. As a reference, hydration tests at each
temperature and atmospheric pressure were also conducted...
Source: Journal of Environmental Radioactivity, Volume
98, Issue 3, December 2007, Pages 329-345
In general, indoor radon concentration is subject to seasonal
variability. The reasons are to be found (1) in meteorological
influence on the transport properties of soil, e.g. through
temperature, frozen soil layers and soil water saturation; and
(2) in living habits, e.g. the tendency to open windows in
summer and keep them closed in winter, which in general leads to
higher accumulation of geogenic Rn in closed rooms in winter...
Authors: Alberto Gomez-Elipe, Angel Otero, Michel van Herp, and
Source: Malaria Journal, V. 6, 2007
The objective of this work was to develop a model to predict
malaria incidence in an area of unstable transmission by
studying the association between environmental variables and
Authors: Lars Leden, Per-Erik Wikström,
Per Gårder, and Peter
Source: Accident Analysis and Prevention, Volume 38,
Issue 3, May 2006, Pages 455-461
The European Road E12 through the community center of Storuman,
Sweden was reconstructed in 1999 and 2000. Pedestrian walkways,
traffic islands, chicanes of a type referred to as “Danish
buns”, a roundabout and a two-directional cycle track along the
E12 were installed...
Source: International Society of Technology Assessment in Health
OBJECTIVE: To develop and test a mathematical model describing
the dynamic of early stages of technology diffusion processes by
considering spatial propagation on geographical domains with
different local growth characteristics. This tool would be
useful for health technology management applications such as
forecasting the adoption of new techniques, analysis of
influential factors, and the evaluation of policy measures...
Authors: Daniel Lambertz,
Francis Goubel, Rustem Kaspranski, and Chantal Pérot
Source: Journal of Applied Physiology
Reflex and elastic properties of the triceps surae (TS) were
measured on 12 male cosmonauts 28-40 days before a 3- to 6-mospaceflight, 2 or 3 days after return (R+2/+3) and a few
dayslater (R+5/+6). H reflexes to electrical
stimulations and T reflexesto tendon taps gave the
reflex excitability at rest...
...This research aims at developing and
validating a set of process redesign heuristics for application
in those situations where patient participation is intensive
throughout the healthcare process...A case study at the
Catharina-hospital Eindhoven evaluates whether the extended set
of redesign heuristics can be successfully applied.
Abstract statistical Development of Quality in Medicine presents the statistical concepts
behind the application of industrial quality
control methods. Filled with numerous case
studies and worked examples, the text enables
the reader to choose the relevant control chart,
to critically apply it, improve it if necessary,
and monitor its stability...
Authors: T. Conde,
A. Mulet, G. Clemente and J.
Source: Journal of Dairy Science
Nowadays, due to the more global nature of markets, the
commercializationof cheese relies on the high
quality of the product. Internaldefects such as
cracks or flaws may affect quality. Two different
nondestructive inspection techniques (ultrasonic and acousticexperiments) were used to detect cracks in Manchego
Authors: A.Zinellu, S.Sotgia,
M. A.Caria, F.Tangianu,
Source: Scandinavian Journal of Medicine and Science in Sports
An important defense against free radicals is represented by
plasma low molecular weight (LMW) thiols that compose a dynamic
system of reduced and oxidized forms able to act as a buffer
redox system. This study examined the effect of an acute graded
exercise bout on LMW thiols in 16 young subjects (six
sedentaries and 10 athletes)...
Abstract The laterality of the lower
extremities is a very important factor influencing the
efficiency of soccer players . The main purpose of this
research is to focus on the study of differences in the maximum
velocity of the soccer ball kicked with the preferred and
non-preferred leg and the kinematic variables of the kick...
Authors: Halo, M., Strapák,
P., Hollý, A., Mylneková,
E., Kovalčík, E., Horný,
Source: Slovak University of
Agriculture, Department of Animal Husbandry
Etological and physiological tests were realized on 48 horses.
They were observed following activities: spontaneous kinetic
activity, voice display, the elimination behavior (excretion and
urination), and motionless standing. The horses were observed in
40 minute periods during the morning hours...
Authors: S. Llana; G. Brizuela; J. V. Dura; A. C. Garcia
Source: Journal of Sports Sciences
Subjective tests based on information gathered using 'discomfort
questionnaires' have been used widely in ergonomics. In this
study, we used a similar method to examine the discomfort
associated with the footwear worn in tennis matches. A sample of
146 tennis players from a population of approximately 4000
completed the questionnaire...
Authors: GAIN Working Group B: Analytical Methods and Tools
Source: Flight Safety Foundation
This guide to methods and tools is intended for air traffic
control/management service providers, air traffic system
developers, air traffic rules and procedures specialists, or air
traffic safety managers...
Authors: Liciniu-Alexandru Kovács,
Veronica Rozalia Rus, Cristian-Ioan Chifu
University, Faculty of Business, Cluj-Napoca, Romania
Abstract Tourism develops rapidly and, in some countries, it is a
priority for the Government. As a consequence, hotel companies
develop too. The Internet and Internet technologies have become
affordable and have deeply transformed the hotel industry...
Authors: H. Abo-Rizq, M. Albaho, A. Christopher, B. Thomas,
Kuwait Institute of Scientific Research
Source: European Journal of Scientific Research, 2008
Abstract Kuwait is frequently subjected to severe dust storms that
may last many days at times in addition to the fact that
suspended dust particles is a common problem almost all year
round in this part of the world. Indoor plant leaves attract
suspended dust and consequently dust deposition and accumulation
on leaves may have negative effect on photosynthetic activities
and thus growth and development of ornamental indoor plants are
effected as a consequence...
Authors: Jianjun Liu, Siew Lan Lim, Yijun Ruan, Ai Ee Ling, Lisa
F. P Ng, Christian Drosten, Edison T Liu, Lawrence W Stanton,
and Martin L Hibberd
Source: PLoS Medicine
here a novel application of mass spectrometry (MS)–based
technology in characterizing viral sequence variations that
overcomes these problems, and we apply it retrospectively to the
severe acute respiratory syndrome (SARS) outbreak in Singapore.
Authors: Amalia Moriki, Harry Coccossis, Michael Karydis
Source: Journal of Coastal Research
The driving forces of the development of the coastal area of the
island of Rhodes (Greece) are examined in relation to the
quality of the marine environment. The integrated variables of
the system were analyzed by four multidimensional techniques:
Multicriteria Analysis, Cluster Analysis, Multidimensional
Scaling and Principal Components Analysis...
Authors: Sigfredo F. Ortuño
Pérez and Angel J. Martín Fernández
Source: Forest Policy and Economics, 2006
The maintenance of the rural population, culture and landscape
and the conservation of natural resources are the priority
objectives of the new European agricultural policy as defined in
Agenda 2000 fundamentally through rural development actions
aimed at encouraging the diversification of economic activities
in the rural environment and the valorisation of existing
natural resources and farms...
Source: WSEAS Transactions on
Business and Economics, 2008
Tourism industry represents the sector with the highest development at
global level. Cultural tourism became an important trend at
international level; 60% of the European tourists are interested in
Source: University of Helsinki
Department of Geography
The area of open coastal dune landscapes and their vegetation is only
about 1300 ha and is continuously diminishing. The development of
coastal dune fields in the area from Virolahti to Hailuoto is studied
here from the literature, maps, aerial photographs and vegetation
The aim of the present study was to investigate the question of whether
blue Cuckoo Cuculus canorus eggs have evolved as an adaptation
for successful parasitism of host species which themselves lay blue
Authors: Marcelo G. Simas de Oliveira, Billy Williams, John D.
Source: Journal of Transportation Engineering
Abstract ...The case studyshows that the efficacy of using radar
as a speedreduction strategy is a function of congestion and
radar detectordensity, with the strategy being most
effective for volumes levelsbetween 200 and 1,400 vehicles
per hour per lane.
Authors: Guy Claireaux, Corey Handelsman, Emily Standen, Jay A. Nelson
Source: Physiological and Biochemical Zoology,
objective of this study was to broaden our understanding of the
relevance of fish swimming performance studies by testing the hypothesis
that swimming performance (endurance and sprint) is ontogenetically and
temporally stable across fluctuating environmental conditions...
For designers of medical devices, the FDA and ISO requirements
are extremely stringent. Designers and researchers feel pressure from
management to quickly develop new devices, while they are simultaneously
hampered by strict guidelines...
Authors: Y. Baril, V. Branovski, P. Terriault, R. Cartier
Source: Proceedings of the Materials & Processes for Medical Devices
Conference, Boston, 2005
To reduce the risk of sternal dehiscence among patients subjected to
median steonotomy, a new sternal closure device is developed. This
device prevents cuts in and through the sternum bones during aggressive
psot-surgery physiological activities such as coughing, deep breathing,
and sudden movement...
Authors: A. Espinoza-Ortega, E. Espinosa-Ayala, J. Bastida-López,
and C. M. Arriaga-Jordán
Source: Experimental Agriculture, 2007
of this paper is to analyse the social, productive and economic
characteristics of small-scale dairy production systems in the central
highlands in the northwest of the State of Mexico...
Abstract We investigated the levels of the endogenous nitric oxide
synthase inhibitor asymmetric dimethylarginine (ADMA), as well as
homocysteine and cysteine thiols, in a cohort of subjects affected by
retinal vein occlusion (RVO) disease...
Crop protection strategies, based on preventing quantitative
crop losses rather than pest outbreaks, are being developed
as a promising way to reduce fungicide use. The Bastiaans' modelwas applied to winter wheat crops (Triticum aestivum)
affectedby leaf rust (Puccinia triticina) and
Septoria tritici blotch(STB; Mycosphaerella
graminicola) under a range of crop managementconditions...
Authors: M. Riu-Aumatell, J. Bosch-Fusté,
E. López-Tamames and S. Buxaderas
Source: Food Chemistry, 2006
In order to study the evolution of volatile compounds during long ageing
times in contact with lees (more than 2 years), Headspace–solid phase
microextraction (HS/SPME) method was applied to different cavas (Spanish
The purpose of this book is two-fold: first, to provide key lessons
learned that I have documented from performing risk management on a wide
variety of programs, and second, to assist you, the reader, in
developing and implementing an effective risk management process on your
The oceanographic changes during the El Niño and La Niña of 1998–1999
have provided an opportunity to document the effects of these events on
the migratory patterns of gray whales (Eschrichtius
Source: Marine Mammal Science, 2006
Abstract An adult, female bottlenose dolphin (Tursiops
trucncatus) was radio tagged and monitored via satellite-based
Argos receivers for 25 d from 28 June to 23 July 1990, in Tampa Bay,
Florida. A total of 794 transmissions were obtained during 106 satellite
The records of 502 consecutive long-term central venous catheters places
in patients while in the operating room over a 1-year period were
reviewed and 230 subclavian vein tunneled catheters were analyzed...
...The purpose of this study was to examine to what extent favoured
forage patches in the Lowveld of South Africa are determined by forage
quality and how important these are as forage resources...
Authors: J. J. Gamero, J. L. Romero, J.
L. Peralta, F. Corte-Real and M. C. Vide
Source: Progress in Forensic Genetics 10, 2004
In the study carried out it is intended, in accordance with the
preliminary draft of the International Declaration on Human Genetic
Data, that information be gathered concerning the diverse questions
regarding DNA analysis and its application in the identification of
individuals (sample extraction, laboratory treatment, sample analysis
and storage, information from the obtained results, etc.) that different
social groups in our country may have...
Authors: Matthias Niedrig, Hermann Meyer, Marcus Panning, and Christian
Source: Journal of Clinical Microbiology, 2006
Two years after the first external quality assurance study on
bioterrorism-relevant viruses, we have conducted a follow-up study on
orthopoxvirus detection by PCR. Thirty-three laboratories (27 European,
4 Austral-Asian, and 2 American) participated. Samples contained 0 to
40,000,000 DNA copies of lyophilized monkeypox, cowpox, and vaccinia
virus per ml...
Authors: Marcus Panning,
Marcel Asper, Stefanie Kramme, Herbert
Schmitz and Christian Drosten
Source: Clinical Chemistry, 2004
...PCR is a powerful tool to detect and differentiateorthopox viruses, and real-time PCR has the further advantagesof rapid turnaround time, low risk of contamination, capabilityof strain differentiation, and use of multiplexed probes...
Authors: Jafarzadehpur, E.; Aazami, N.; Bolouri,
Journal of Medicine & Science in Sports, 2007
...Eighty-three normal females were categorized in four
groups; non-players (NP), beginner volleyball players, intermediate and
advanced players. Facility of accommodation and far saccade for optotypes at three distances were measured...
Authors: Mikel Sánchez, MD,
Eduardo Anitua, MD, DDS, Juan Azofra, MD,
Isabel Andía, PhD, Sabino Padilla, MD, PhD and
Iñigo Mujika, PhD
Source: The American Journal of Sports Medicine, 2007
...Open suture repair in conjunctionwith
a preparation rich in growth factors (PRGF) was performedin
6 athletes and retrospectively compared with a matched group
that followed conventional surgical procedure...
The aim of our studies was to determine the relation between temperature
and the respiration rate of the forest soil organic layer along an
altitudinal gradient while controlling the effects of the soil
Authors: Carmen José Mateos, María Victorina Aguilarand
María Carmen Martínez Para
Source: European Food Research and Technology, 2008
Chromium (Cr) availability (expressed as percentage dialysed Cr) in
breakfast cereals (n = 93) was evaluated by an in vitro method of
simulated human gastrointestinal digestion followed by GFAAS measurement
of dialysed Cr...
Authors: C. Granger, J.P. Da Costa, J.
Toutain, P. Barey and M. Cansell
Source: International Dairy Journal, 2005
Front-face fluorescence spectroscopy was used to characterize 16 ice
cream formulations (four fats, two mono-/diglyceride mixtures, and two
protein mixtures). Tryptophan fluorescence spectra were recorded
directly from the ice cream samples. The discriminant ability of the
data was investigated by principal component analysis (PCA) and partial
least square (PLS) discriminant analysis...
Tracks, pads and vias on printed circuit boards can suffer from a
variety of problems, if the surfaces are contaminated with
electrically-conducting substances. Aims to model a multilevel
full-factorial design to study the effects of temperature, voltage and
electrode gap on dendritic growth under saturated conditions, i.e. water
Source: Journal of Materials Processing Technology, 2006
...This paper presents an investigation into the application of
rotary tools in a face-milling operation. The work involved analysis of
cutting forces and chip characteristics, and the development of
analytical as well as conceptual models to predict the cutting forces.
It was evident that the proposed model predicts cutting force magnitude
with a fair accuracy.
J. Y.Daniel, C.Quéré,
A.Van Wormhoudt, J. F.Samain
Source: Animal Genetics, 2006
Abstract This study investigated the non-neutrality of genetic
polymorphism in two alpha-amylase genes (AMYA
and AMYB) in the oyster
Crassostrea gigas. Bi-parental oyster families, bred to be
polymorphic for markers in these genes, were monitored for growth and
survival for 1 year under standard culture conditions in two French
Authors: Eva Lutz,
J. Jakob Schneller and Rolf
Source: American Journal of Botany, 2000
Several alpine species have outlying populations in the lowlandsand lower mountains north of the Alps...A floristic survey of the historicand present distributions and an allozyme investigation wereperformed on one of these relic species, Saxifraga aizoides...
Authors: Asiah Osman, Barbara Jordan,Philip A. Lessard,
Norwati Muhammad, M. Rosli Haron, Norifiza Mat Riffin, Anthony J.
Sinskey, ChoKyun Rha, and David E. Housman
Source: Plant Physiology, 2003
...Suitable genetic markers would be very useful for
propagation and breeding programs to support conservation of this
species, although no such markers currently exist. To meet this need, we
have applied a genome complexity reduction strategy to identify a series
of single nucleotide polymorphisms (SNPs) within the genomes of several
E. longifolia accessions...
Authors: Eugénia Cruz, Jorge Vieira,
Susana Almeida, Rosa Lacerda, Andrea Gartner, Carla S. Cardoso, Helena
Alves, Graça Porto
Source: BMC Medical Genetics, 2006
present study was designed with the objective of narrowing the region
associated with the setting of CD8+ T-lymphocyte numbers in a population
of C282Y homozygous hemochromatosis subjects, in whom a high
prevalence of abnormally low CD8+ T-lymphocyte counts has been
Authors: M. Cruz Ortiz, Ana Herrero, Silvia Sanllorente and
Source: Analytical and Bioanalytical Chemistry, 2005
A set of laboratory practices is proposed in which evaluation of the
quality of the analytical measurements is incorporated explicitly by
applying systematically suitable methodology for extracting the useful
information contained in chemical data. Non-parametric and robust
techniques useful for detecting outliers have been used to evaluate
different figures of merit in the validation and optimization of
Authors: Noelia Rodríguez, M. Cruz Ortiz, Ana Herrero, Luis A. Sarabia
Source: Luminescence, 2007
this work, the univariate and multivariate fluorescence determination of
tetracycline is performed in the presence and absence of Mg2+,
comparing the quality of the analyses through some performance
characteristics that, according to Commission Decision 2002/657/EC
define the functional qualities of analytical methods...
Authors: Dan Tandberg, Leslie Jones Easom, Clifford Qualls
Source: Clinical Toxicology
We tested the hypothesis that time series analysis can provide accurate
predictions of future poison center telephone call volume by a
prospective stochastic time series modeling of calk to a
university-based regional poison center...
Authors: Deborah L.Franke, Eugene C.Cole,
Keith E.Leese, Karin K.Foardeand Michael A.Berry
Source: International Journal of Indoor Environment and Health,
A study was conducted to characterize the indoor environment of a
multifloor, multiuse, nonproblem, noncompliant building through
long-term monitoring for biological, chemical, and particulate
pollutants. The study also assessed the effects of cleaning on indoor
air quality by providing a program to monitor baseline levels, providing
a rigorous (deep) cleaning of the building, and then continuing to
monitor after implementation of a standardized, improved, cleaning
Authors: Claudio Martínez, Cecilia Gertosio,
Angelica Labbe, Rafael Pérez, Maria Angélica Ganga
Source: Electronic Journal of
...To determine improved culture conditions of
this organism, different factors of the culture media were evaluated
such as the use of peptone as nitrogen source, salts composition, pH and
growth temperature. Likewise, beet molasses and beet cosette were tested
as industrial carbon sources to induce the production of the enzyme and
how they influence the yeast growth...
Source: International Journal of Food Science and Technology,
Qualitative changes in flavour profiles that are associated with the
ripening of anchovies were investigated. Samples, either commercially
processed or ripened on a laboratory scale, were analysed by a device
known as an electronic nose, which is based on conductive polymers...
Authors: E. Martinez, P. Landin, A. M.
Carro, M. P. Llompart and R. Cela
Source: Journal of Environmental
Abstract A new strategy for preparing composite samples of special
interest and applicability in environmental screening studies is
presented. The use of supersaturated experimental design matrices to
conduct the sample composition of water sample specimens in screening
studies is demonstrated...
Source: International Journal of Quality & Reliability Management,
The paper seeks to ease the implementation of predictive maintenance
policy in industry using the root cause analysis technique, and to
compare the reliability and cost effectiveness of root cause based
maintenance (RCBM) relative to conventional corrective maintenance (CM).
Authors: Duverney A. Gaviria,
Enrique Aguilar, Herman J. Serrano and Alvaro H. Alegria
Source: Journal of Insect Science,
Abstract This study was carried out on 11 Chinese and 12 Japanese silkworm
strains maintained by the Center for the Technological Development of
Sericulture (CDTS) germplasm bank, located in Pereira, Colombia. The
goals were to determine the genetic population structure of the two
groups and the association between molecular markers (AFLPs) and
important productivity characters...
Authors: López-Galilea, I. Andriot, I. de Peña, M. P. Cid, C. Guichard,
Source: Journal of Food Science, 2008
The aims of this study were (1) to study the effect of lyophilized
coffee extract on the retention of aroma compounds and (2) to study if
aroma compounds selected are differently affected by the lyophilized
coffee extracts obtained from conventional and Torrefacto coffee brews
prepared by filter coffeemaker and by espresso coffee machine...
Source: International Journal of Reliability, Quality and Safety
...In this paper, an
inspection frequency optimization model has been developed which can be
used effectively by the inspection and maintenance personnel in the
industry to estimate the number of inspections/optimum preventive
maintenance time required for a degrading component at any age or
interval in its lifecycle at a minimum total maintenance cost...
Water resulting from the dewatering process of petroleum storage tanks
was treated in a pilot separator to investigate the effectiveness of the
combined action of a coagulant (aluminum sulfide) and a cationic
flocculant (NALCO 71403). Central composite design of experiments was
used to construct second order response surfaces for the turbidity,
suspended solids and oil content as optimization parameters...
This paper examines the findings and implications of an exploratory
study which was designed to determine the feasibility of a nurse
administered hearing screen test for elderly patients Theoretical and
practical considerations which influenced the design of the hearing
assessment test (HAT) and the method of the study are discussed A sample
of 27 elderly hospital inpatients, with a mean age of 81 years,
participated in the study...
Authors: Nektarios, Panayiotis A.; Petrovic, A.
Marty; Steenhuis, Tammo S.
Source: Soil Science, 2007
Abstract ...Forty-eight lysimeters located in a greenhouse were
established to simulate greens constructed of sand or existing sandy
clay soil. The movement of blue dye was observed under two moisture
regimes for three aeration practices (shallow hollow tines, deep drill,
and high-pressure water injection) and a nonaerated control...
Source: Medicine & Science
in Sports & Exercise, 2001.
Abstract Power training plays an essential part in many sport
disciplines. The importance of eccentric power training remains a matter
of controversial discussion. The objective of this study was therefore
to investigate the difference in metabolic reaction between eccentric
and concentric stress in comparable work...
Authors: Negrini, Stefano MD; Carabalona,
Source: Spine, 2002
A cross-sectional study was conducted...to investigate schoolchildren's
subjective perceptions of their daily backpack loads, to ascertain
whether an association exists between these sensations or the load
itself and back pain, and to identify the school, family, and personal
factors that determine the backpack load, and that might, with a view to
primary prevention, be addressed with specific interventions...
Source: Computers, Environment and Urban Systems, 2008
In a context of risk of forest fire, the development of actions
concerning wildfire prevention and land management is necessary and
essential particularly in wildland–urban interfaces (WUI). The term
‘WUI’ always includes components such as human presence and wildland
Authors: Geng, Q.; Holmer, I.; Hartog, Den E. A.;
Havenith, G.; Jay, O.; Malchaire, J.; Piette, A. 5; Rintamaki, H.;
Source: Annals of
Occupational Hygiene, 2006
Abstract At the request of the European Commission and in the framework
of the European Machinery Directive, research was performed in five
different laboratories to develop specifications for surface temperature
limit values for the short-term accidental touching of the fingertip
with cold surfaces. Data were collected in four laboratories with a
total of 20 males and 20 females performing a grand total of 1655
Authors: Esther Jiménez, Susana Delgado, Antonio Maldonado, Rebeca
Arroyo, Mar Albújar, Natalia García, Manel Jariod,Leonides
Fernández, Adolfo Gómez, and Juan M Rodríguez
Source: BMC Microbiology, 2008
Breast milk is an important source of staphylococci and other bacterial
groups to the infant gut. The objective of this work was to analyze the
bacterial diversity in feces of breast-fed infants and to compare it
with that of formula-fed ones...
Source: Journal of Exposure Analysis and Environmental Epidemiology,
This paper tests factors thought to be important in explaining the
choices people make in where they spend time. Three aggregate locations
are analyzed: outdoors, indoors, and in-vehicles for two different
sample groups: a year-long (longitudinal) sample of one individual and a
cross-sectional sample of 169 individuals from the US Environmental
Protection Agency's Consolidated Human Activity Database (CHAD)...
Authors: Ebrahim Jafarzadehpur and
Mohammad R. Yarigholio
Source: Journal of Sports Science
and Medicine, 2004
A table tennis player should fixate at different distances: track the
objects with different speed, and in different visual environment...
Twenty-nine young table tennis champions and 29 normal matched
non-players (did not take part in any racket sports game) were
Authors: Wolfgang E. Paulus, M.D., Mingmin Zhang, M.D., Erwin Strehler,
M.D., Imam El-Danasouri, Ph.D., and Karl Sterzik, M.D.
Source: Fertility and Sterility, 2002
To evaluate the effect of acupuncture on the pregnancy rate in assisted
reproduction therapy (ART) by comparing a group of patients receiving
acupuncture treatment shortly before and after embryo transfer with a
control group receiving no acupunture.
Abstract The application of phosphorus analysis to archaeological
contexts can be considerably improved through ultrasonic extraction and
the statistical evaluation of results through an analysis of variance...This paper describes the
features of these tools and provides a practical case: the Late
Neolithic—Early Copper phase of the site 'Polideportivo'in Martos,
Authors: Ruiz, L.; Janssen, D.; Martin, G.;
Velasco, L.; Segundo, E.; Cuadrado, I. M.
Source: Plant Pathology, 2006
The temporal and spatial spread of disease symptoms were
monitored in experimental plastic-covered greenhouses during six
consecutive cucumber plantings from 2000 to 2002. Using linear
regression analysis of 46 disease-progress curves, the Gompertz model
best described the CYSDV epidemics in 2000, whereas the logistic model
best described the development of CYSDV and CVYV epidemics in 2001 and
Authors: Chunlei Yue, Jie Chang, Kuihong Wang and Yinmei Zhu
Source: Australian Journal of Botany, 2004
The morphological plasticity and biomass allocation pattern of clones of
Phyllostachys praecox f. prevernalis were studied at four
light intensities of 100, 70, 50 and 30% of sunlight. The results showed
that ramet number and total biomass of clones were positively linearly
correlated with light intensity...
Source: Journal of the Science of Food and Agriculture, 2003
...The objective of this
study was to determine the ellagic acid content in strawberries compared
with that in other common fruits and to evaluate its variability, the
effects of ripening stage, and the tissue and seasonal variability in
selected cultivars widely grown in Argentina...
Authors: Rodney T. Venterea,
Martin Burger and Kurt A. Spokas
Source: Journal of Environmental Quality, 2005
...This study demonstratesthat N2O emissions can
represent a substantial component ofthe total GHG budget of
reduced tillage systems, and that interactionsbetween
fertilizer and tillage practices can be important in
controlling non-CO2 GHG emissions.
Authors: Michael D. Rethwisch, Mark Reay, Aron Quist, Tim Cox, Jessica
Grudovich, Jessica Wellman
Source: Arizona Cotton Report, 2004
This experiment was initiated to compare differing potassium levels
applied at planting and at first bloom to help ascertain the effects of
potassium on cotton yields and quality under local conditions.
Authors: Esperanza Gutiérrez, Virginia
Galera, Jose Manuel Martínezand
Source: Forensic Science International, 2007
...Using the adhesive paper and graphite method, the fingerprints of 200
students, 100 males and 100 females, with ages ranging between 20 and
35, have been taken at the University of Alcala (Madrid). From this
sample, the distal phalanx of the index finger of the right hand has
Authors: Christopher J. Vinyard,
Christine E. Wall, Susan H. Williams and
William L. Hylander
Source: Integrative and Comparative
....We combine data on jaw-muscle electromyography (EMG)
collected during mastication from 14 species of primates and
one of treeshrews to assess patterns of neuromuscular variationin primates...
...Cranial samples from the prehistoric population of Crete were
studied to try to answer an archaeological problem (the
hypothesis of the Mycenean invasion in the island during Late
Bronze Age period)...
Authors: Gerard B.M. Heuvelink, Peter A. Burrough, and Alfred Stein
Source: Classics from IJGIS: Twenty Years of the International
Journal of Geographical Information Science and Systems by Peter
...This paper demonstrates how the standard stochastic theory of error
propagation can be extended can applied to continuously differentiable
arithmetic operations (quantitative models) for manipulating gridded map
Authors: Ela Pagliarini, Nicola
Gabbiadini and Sabrina Ratti
Source: Food Quality and Preference, 2005
Awareness of how important food and food culture are to the quality of
children's life is a presupposition that promotes research in the sector
of school lunch. The aim of this work was to evaluate liking for meals
supplied to primary school refectories of the Municipality of Milan...
...In our study, on habitat fragmentation and the importance of
landscape context, we expected that habitat specialists are more
affected by area and isolation, and habitat generalists more by
In order to investigate how the apparent separation of jointing varies
according to the distance from faults, and how the mechanical properties
of rock masses depend on this distance and jointing density, a number of
regression analysis were performed on the variables s (apparent
joint separation), d (distance from major fault), and sh
(rebound value of Schmidt hammer)...
Lame Urema is one of the most important ecological features of the
Gorongosa National Park, Central Mozambique... The understanding of the
geo-ecology of the lake and its tributaries is particularly important
for the conservation of its floodplain habitats...
Source: Environmental Monitoring and Assessment, 2007
...In this paper the time series of monthly values of water quality
parameters and the discharge were analyzed using statistical methods and
the existence of trends and the evaluation of the best fitted models
Authors: De La Lanza-Espino
G.; Garcia-Calderón J.L; Pulido S.H; Díaz P.R.
Source: Environmental Technology, 2000
Detritus and nutrients derived from compost (NH4+,
PO43-, COD) were obtained experimentally after a
90 day decomposition pretreatment of coastal halophytes (Sesuvium
sp. Cressa sp. Suaeda sp. and Salicornia sp.)...
Source: Journal of Materials Processing Technology, 2005
In this work, a material removal rate (MRR) and electrode wear (EW)
study on the die-sinking electrical discharge machining (EDM) of
siliconised or reaction-bonded silicon carbide (SiSiC) has been carried
Authors: William A. Levinson, Frank Stensney, Ray Webb and Ronald Glahn
Source: Semiconductor International, 2001
Traditional statistical process control (SPC) relies on the assumption
that data follow a normal distribution. As undesirable random arrivals,
particle counts in semiconductor process equipment are more likely to
follow the Poisson distribution...
Source: Journal of Management and Governance, 2002
The aim of this paper was to measure the short-term perceptions of
Finance Directors and how managers react to pressures from the financial
and corporate governance systems in the management of R and D
expenditure and innovation...
Authors: C. Dueñas, M. C. Fernández, S.
Cañete, J. Carretero and E. Liger
Source: The Science of the Total Environment, 2002
Ozone concentrations are valuable indicators of possible health and
environmental impacts. However, they are also used to monitor changes
and trends in the sources of both ozone and its precursors...
...The lateral distal femoral scans of 40 children whose bone growth was
tainted by distant chemotherapy (chemotherapy group) were compared to
the lateral distal femoral scans of 40 children whose bone environment
had remained relatively stable over time (control group).
Authors: Hobbs, Douglas
MD; Kunzman, Sandra C. PA-C; Tandberg, Dan MD; Sklar, David MD
Source: American Journal of
Emergency Medicine, 2000
Abstract We developed a statistical model that would identify and
quantify the relative contributions of different factors hypothesized to
impact the frequency of emergency center (EC) patients who leave without
being seen (LWBS)...
Authors: Arlet, Małgorzata; Molleman, Freerk; Chapman, Colin
Source: Acta Ethologica, 2007
...We investigated female sexual behaviour within five groups of
grey-cheeked mangabeys in Kibale National Park, Uganda, and tested the
hypothesis that females exhibit mate choice using as indications the
prevalence of (1) females soliciting matings by presenting to males and
(2) females refusing to mate with approaching males...
Authors: Carolina C.
Sánchez-Martín, Alberto Dávalos, Covadonga
Martín-Sánchez, Gema de la Peña, Carlos
Fernández-Hernando and Miguel A. Lasunción
Source: Cancer Research, 2007
...In the present work, we explored whether cholesterol
starvation by culture in cholesterol-free medium and treatmentwith different distal cholesterol biosynthesis inhibitors inducesdifferentiation of HL-60 cells...
Source: Computer Modelling and New Technologies, 2006
The importance of forecasting the economic characteristics of
transportation (i.e. the amount of freight and passengers carried, the
turnover rate of freight and passengers, etc. in transportation as a
whole and in particular areas using various transport facilities) is
Authors: Vassilis Z. Antonopoulos, Dimitris M. Papamichail and
Konstantina A. Mitsiou
Source: Hydrology and Earth System Sciences, 2001
...In this paper a) the time series of monthly values of water quality
parameters and the discharge were analyzed using statistical methods, b)
the existence of trends and the evaluation of the best fitted models
were performed and c) the relationships between concentration and loads
of constituents both with the discharge were also examined...
Source: International Journal of Human Resources Development and
This study attempts to place and to consolidate the figure of Human
Resource Information Systems (HRIS) firmly in the context of business
management, particularly in the so-called strategic human resource
Authors: Pacheco-Londono, L.;
Primera-Pedrozo, O.M.; Castro, W.O.M.; Hernandez-Rivera, S.
Source: Antennas and
Propagation Society International Symposium, 2007 IEEE
...A statistical description, based on discriminant analysis,
of explosive substances allows a characterization and classification of
the spectroscopic properties of the effect of nitro group in accordance
with the molecular structure...
Authors: N. Foldager, T. A. Andersen,
F. B. Jessen, P. Ellegaard, C. Stadeager, R. Videbaek and P. Norsk
Source: Journal of Applied Physiology, 1996
Based on the results of head-down simulation studies and the results ofparabolic flights, the hypothesis was tested that central venous
pressure(CVP) in humans increases during microgravity
(weightlessness) comparedwith during the ground-based supine
Authors: Michela Ballardin, Alessandro
Antonelli, Monica Cipollini, Poupak Fallahi, Roberto Scarpato, Antonio
Tomei, Claudio Traino and Roberto Barale
Source: Mutation Research/Genetic Toxicology and Environmental
...We aimed to explore the extent of chromosomal damage in circulating
lymphocytes of hospital workers (technicians, nurses and physicians)
chronically exposed to a very low level of radiation using conventional
and molecular cytogenetic analyses (chromosome painting with chromosomes
#2, #3 and #10 as probe cocktail)...
Source: Systems, Man and
Cybernetics, 2005 IEEE International Conference on
Abstract Classification by reading of corrective action reports at NASA
can be a lengthy and labor intensive process. This paper shows that a
process requiring several weeks of engineer labor can be reduced to a
few hours of analyst labor using commercial and in-house data mining
Authors: W. JackLackey,John A.Hanigofsky,
Regina D.Hardin, AjitPrasad
Source: Journal of the American Ceramic Society, 2005
The feasibility of preparing small-diameter, high-strength, thermally
stable silicon carbide fiber tows by the continuous chemical vapor
deposition (CVD) of SiC onto carbon fiber tows was experimentally
Source: International Journal of the Physical Sciences, 2007
....Statistical analysis of experimental results showed that the
computational complexity of images rotation does not depend
significantly (p>0.05) on the factorization ULU of LUL, whereas the
precision depends on it significantly (p<0.05)....
The modified BCR three-step sequential extraction procedure has been
applied to homogenized urban dust samples and to simulated air filters
loaded with the prepared urban dust via the wet deposition
Authors: Karyne Benjamin, André
Bouchardand Gérald Domon
Source: Landscape and Urban Planning, 2007
...Using photographs, the perceptions of abandoned farmland (herbaceous
and shrub dominated) and 5 other land uses (hay fields, corn fields,
pastures, woodlots and plantations) were measured from a sample of 33
abandoned farmland owners in order to compare and rank the perceptions
of abandoned farmland to that of other types of land use...
The reintroduction of agroforestry networks (via a GIS-supported design
procedure) is one of a number of strategies that some authorities of the
lagoon of Venice drainage basin (in Italy) are planning to use in order
to control lagoon pollution and to achieve landscape amelioration.
Authors: Rasa Uspalyte-Vitkuniene, Marija Burinskiene
Source: Journal of Civil Engineering and Management, 2006
...For the purpose of identifying public transport service levels and
its influence on housing prices, an analysis of indicators by applying
Statgraphics software was done, and which describes social and public
transport in Vilnius' districts...
In municipal planning of locations of snow deposits and investigations
of the environmental effects of snow dumping, the partitioning of
contaminants between particulate and dissolved matter is of great
Authors: David J. Prezant, MD,
FCCP; Atheya Dhala, MD; Andrew Goldstein, MD,
FCCP; Denise Janus, MD; Felipe Ortiz, MD;
Thomas K. Aldrich, MD, FCCP and Kelly J. Kelly, MD
Source: Chest, 1999
The etiology of sarcoidosis is unknown, but epidemiology
suggests that environmental agents are a factor. Because firefightersare exposed to numerous toxins, we questioned whether sarcoidosiswas increased in this cohort...
Authors: Kneebone, Jeff; Natanson, Lisa; Andrews, Allen; Howell, W.
Source: Marine Biology, 2008
...Two- and three-parameter von Bertalanffy and Gompertz growth
functions fit to length at age data demonstrated that growth rates were
similar for males and females up to around 200 cm fork length (FL) after
which male growth slowed. Both sexes appear to reach maturity at age
Authors: Matthieu Virot, Valérie Tomao,
Christian Ginies, Franco Visinoni and Farid Chemat
Source: Journal of Chromatography, 2008
An improved process of Soxhlet extraction assisted by microwave, called
microwave-integrated Soxhlet (MIS) is proposed for the extraction of
oils and fats from different food matrixes such as oleaginous seeds,
meat and bakery products...
Authors: J. A. Grande, R. Beltrán, A. Sáinz, J.C. Santos, M. L. de
la Torre and J. Borrego
Source: Environmental Geology, 2005
The present work describes the process of acid water discharge into the
Andévalo Dam (Iberian Pyrite Belt, Huelva-Spain) starting from the
interpretation of rainfall data and chemical analyses regarding pH,
conductivity, metal and sulphate content in water, from a time series
corresponding to the sampling of two confluent channels that discharge
water into the referred dam...
Abstract We investigated concentrations of calcium, copper, iron,
magnesium, potassium, sodium and zinc using atomic absorption
spectroscopy in the hair of four groups of adult females (n = 392),
ranging in age from 20 to 50 years, with different body mass index
(BMI): BMI <18, slim group; BMI 18-25, normal group; BMI 26-35,
overweight or obese group; and BMI > 35, morbidly obese group...
Authors: Jane A.Elek, Martin J.
Source: Agricultural and Forest Entomology, 2003
The autumn gum moth Mnesampela privata (Guenée)
(Lepidoptera: Geometridae, Ennominae) is a native moth that can
outbreak, resulting in significant defoliation of plantation eucalypts
in southern Australia...
Although forest tree pattern-dynamics has long been a focus for
ecological theory, many aspects of basic analysis remain problematic.
This paper describes, examines and illustrates an ‘extreme-value’
approach to clump detection...
Thiamethoxam (ACTARA® 25WG) was evaluated for its
termiticidal properties against three species of economically important
subterranean termites (Isoptera: Termitidae) in the Philippines:
Nasutitermes luzonicus Oshima, Macrotermes gilvus Hagen,
and Microcerotermes losbanosensis Oshima...
Authors: Mario C.N. Saparrat, Paulina Mocchiutti, Constanza S. Liggieri,
Mónica B. Aulicino, Néstor
O. Caffini, Pedro A. Ballatti, María
Source: Process Biochemistry, 2008
To get a better insight into the ligninolytic system of Grammothele
subargenta, extracellular ligninolytic enzyme activities and ability
to degrade synthetic dyes as well as Eucalyptus globulus wood
were assayed in cultures on an agar medium with Cu2+ or dyes
and on E. Globulus wood chips.
Source: Journal of Thermoplastic Composite Materials, 2008
Study on the effect of concentration of maleated polypropylene(MAPP), dicumyl peroxide (DCP), nanoclay (NC), and aspen fiberloading on the mechanical properties of Aspen—PP compositeshas been undertaken with the objective to protect or increasethe impact strength without losing or weakening the tensilestrength...
Presorting logs in the sawmill's log yard is one of the strategies used
by the Swedish sawmilling industry in order to maximize profits. Almost
96 percent of Swedish sawmills perform the presorting of logs according
to their dimension, most commonly by the top diameter...
Authors: Joaquín Buitrago, Juan Capelo,
Javier Gutiérrez, Martín Rada, Ricardo Hernández and Sylvia Grune
Source: Estuarine, Coastal and Shelf Science, 2007
Drowned reefs, fossil reefs or paleo-reefs, are important ecologically
as areas of high biodiversity, foraging, shelter environment, and as
areas supporting the spawning aggregations of economically important
reef fish species...
D J Anderson, MDipTech; D J
Coertze, DSc, MBL
South African Journal of Clinical Nutrition, 2001
Abstract The needs and objectives of
the various groups affected by nutritional labelling illustrate the
complex and controversial nature of nutritional labelling and the
problems in formulating a simple and easily understood system...
Authors: Choct, M.; Kocher, A. 1; Waters, D. L.
E.; Pettersson, D.; Ross, G.
Source: British Journal of Nutrition,
Abstract Three xylanase products, xylanase A derived from Thermomyces
lanuginosus, xylanase B from Humicola insolens and xylanase C from
Aspergillus aculeatus, were examined for their effects on the nutritive
value of wheat.
Authors: Martin Kohlmeier,
Walter J McConathy, Karen Cooksey Lindell and
Steven H Zeisel
Source: The American Journal of Clinical Nutrition, 2003
...Multiple-choice questions were used to determine knowledge
of 117 second-year medical students in each of the main knowledgeareas covered by our Nutrition and Cancer instructional module...
Villarreal, M.; Juárez, M.D.; Sammán, N.C.
Source: Journal of the
Argentine Chemical Society, 2004
The objective of the present work is to compare the nitrogen contents
measured by the fast method of Hach and the traditional Kjeldahl
method, allowing for the influence of the variation in structure and
macronutrient in the food content.
Authors: M. Elena Díaz-Rubio and Fulgencio Saura-Calixto
Source: Agricultural and Food Chemistry, 2007
Coffee beans are rich in nondigestible polysaccharides (dietary fiber),
which may partially pass into brewed coffee; however, to the authors'
knowledge, there is not enough literature on dietary fiber in brewed
Authors: G. De la Torre,
J. M. Serradilla, F. Gil Extremera
and M. R. Sanz Sampelayo
Source: Journal of Dairy Science, 2008
A study was carried out with 20 goats of the Malagueñabreed,
half with a high (HG) and half with a low (LG) genetic
capability for S1-casein
(AS1-CN) synthesis, to determine whetherthe 2 different
genotypes (that cause differences in goat milkcomposition)
are related to differences in nutritional feedutilization...
Source: Journal of the American Leather Chemists Association,
The effect of neutralization at three different pH values (4, 5, 6) and
that of the fatliquoring agent applied at three different offers (0, 5
and 10 %) on the physical properties of skins was assessed...
Authors: Maria del Pilar Ponce-Jiménez,
Fernando A. López-Ddellamary Toral,
& Humberto Gutierrez-Pulido
Source: Journal of the American Institute for Conservation, 2002
In search of alternatives for the professional conservator to use in the
struggle against fungi that deteriorate paper documents, we decided to
research chitosan, given its antimolding and strengthening properties...
Abstract Egg capsules from two caenogastropod whelks, Busycon
canaliculatum andKelletia kelletii, were studied
to investigate the genesis of mechanicalproperties of
nascent capsules and to formulate a biomechanical modelof
Authors: Dorthe Veddeler, Christian H. Schulze, Ingolf Steffan-Dewenter,
Damayanti Buchori and Teja Tscharntke
Source: Biodiversity and Conservation, 2005
Concomitant with the rapid loss of tropical mature forests, the relative
abundance of secondary forests is increasing steadily and the latter are
therefore of growing interest for conservation...
Authors: Dimas DA, Dallas PP, Rekkas DM, Choulis NH.
Source: AAPS PharmSciTech., 2000
The effects of coating thickness, type of adhesive, and type and
concentration of enhancer on the mechanical properties of two acrylic
pressure-sensitive adhesives (PSAs) were investigated using a 24
factorial design and an optimization technique...
Source: Proceedings of the I MECH
E Part B Journal of Engineering Manufacture, 2003
The correct selection of production conditions is one of the most
important aspects to take into consideration in processes related to the
electrical discharge machining (EDM) of conductive ceramic materials, as
it is these conditions that determine such important characteristics as
surface roughness, material removal rate and the wear on the
New York State's Building and Fire Prevention Code includes a
requirement that combustible materials used in electrical, plumbing and
finishing systems be tested by the University of Pittsburgh protocol and
that particular data from that testing be reported on standard forms to
the Office of Fire Prevention and Control.
Authors: José Manuel Prats-Montalbán, Fernando López and José M.
Valiente, Alberto Ferrer
Source: Journal of Electronic Imaging, 2008
We present an innovative way to simultaneouslyperform
feature extraction and classification for the quality-control issue ofsurface grading by applying two multivariate statistical
projection methods: SIMCAand PLS-DA...
Authors: Alfonsius B. Ariawan, Savvas G. Hatzikiriakos, Shivendra K.
Goyal, Henry Hay
Source: Advances in Polymer Technology, 2001
The influence of molecular structure on the rheology and processability
of blow-molding grade high-density polyethylene (HDPE) resins is studied
using capillary and extensional rheometers, a melt indexer, and a