نتایج جستجو برای: rheological properties

تعداد نتایج: 874169  

2008
G. Giupponi

– We use a lattice Boltzmann (LB) kinetic scheme for modelling amphiphilic fluids that correctly predicts rheological effects in flow. No macroscopic parameters are included in the model. Instead, three-dimensional hydrodynamic and rheological effects are emergent from the underlying particulate conservation laws and interactions. We report evidence of shear thinning and viscoelastic flow for a...

2006
Ruben Juanes Steven L. Bryant

.......................................................................................................... iv EXECUTIVE SUMMARY .....................................................................................x 1. Rheological Properties of HPAM Solutions ........................................................1 1.

Journal: :Acta obstetricia et gynecologica Scandinavica 2014
Sara K Bastholm Naja Becher Peter R Stubbe Ioannis S Chronakis Niels Uldbjerg

OBJECTIVE To characterize the viscoelastic properties of cervical mucus plugs(CMPs) shed during labor at term. DESIGN Experimental research. SETTING Department of Obstetrics and Gynecology, Aarhus University Hospital, Denmark. POPULATION/SAMPLE Spontaneously shed CMPs from 18 healthy women in active labor. METHODS Viscoelastic properties of CMPs were investigated with a dynamic oscillat...

2003
William B. Durham Donald J. Weidner Shun-ichiro Karato Yanbin Wang

Although the importance of rheological properties in controlling the dynamics and evolution of the whole mantle of Earth is well-recognized, experimental studies of rheological properties and deformation-induced microstructures have mostly been limited to low-pressure conditions. This is mainly a result of technical limitations in conducting quantitative rheological experiments under high-press...

2003
V. BREEDVELD D. J. PINE

Microrheology can be used for high-throughput screening of the rheological properties of sample libraries of complex fluids. Two passive techniques are particularly suitable: video microscopy and diffusing-wave spectroscopy. The techniques complement each other very well and can be applied to samples that offer different experimental challenges. We offer a thorough analysis of the strengths and...

Journal: :Journal of dairy science 2002
M H Tunick D L Van Hekken

Torsion gelometry, a fundamental rheological test in which specimens are twisted until they fracture, was applied to several different cheese varieties to determine its suitability for measuring their textural properties. Fresh and aged Brick, Cheddar, Colby, Gouda, Havarti, Mozzarella, and Romano cheeses were subjected to torsion analysis, and the results were compared with those from small am...

2017
Sang-Hun Yoo Yoon Hyuk Chang

The purposes of this study were to produce polysaccharides from red pepper stems using different extraction methods and evaluate their chemical composition, in vitro biological capacities, and rheological properties. Two polysaccharides were extracted from red pepper stems using an autoclave and alkali treatments, and the extracts were named PAU and PAL, respectively. The contents of total phen...

Journal: :مهندسی بیوسیستم ایران 0
منصوره سلیمانی فرد دانشجوی کارشناسی ارشد علوم و صنایع غذایی دانشگاه علوم کشاورزی و منابع طبیعی گرگان مهران اعلمی استادیار دانشکدۀ علوم و صنایع غذایی دانشگاه علوم کشاورزی و منابع طبیعی گرگان فرامرز خدائیان دانشیار گروه علوم و صنایع غذایی پردیس کشاورزی و منابع طبیعی تهران گودرز نجفیان دانشیار مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر مرتضی خمیری دانشیار گروه علوم و صنایع غذایی پردیس کشاورزی و منابع طبیعی تهران

in the baking industry, use of hydrocolloid technology to improve the operation and to increase the tolerance to paste fermentation conditions, improve quality and increase the shelf life of fresh as well as stored bread, is of large applications. this research was carried out to evaluate the effects of gel of sodium alginate on rheological properties of dough and quality (volume, specific volu...

2008
Chunlin Xu Stefan Willför Bjarne Holmbom

Spruce galactoglucomannan is a wood-derived polysaccharide with a modest molar mass that has recently been made available in kg-scale for research and development of value-added products. To promote the application of spruce galactoglucomannans in, for example, food products, it is vital to understand also the rheological behaviour of the mixtures of galactoglucomannans with other polysaccharid...

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