نتایج جستجو برای: rheological modelsrheology

تعداد نتایج: 11860  

Journal: :Physical review letters 2014
C Gainaru R Figuli T Hecksher B Jakobsen J C Dyre M Wilhelm R Böhmer

Liquids composed of small-molecule monohydroxy alcohols are demonstrated to display rheological behavior typical for oligomeric chains. This observation was made possible by rheological experiments in which more than seven decades in frequency and more than five decades on the mechanical modulus scale are covered. The singly hydrogen-bonded monohydroxy alcohols were chosen because they display ...

2009
Jean-Noël ROUX

Features of rheological laws applied to solid-like granular materials are recalled and confronted to microscopic approaches via discrete numerical simulations. We give examples of model systems with very similar equilibrium stress transport properties – the much-studied force chains and force distribution – but qualitatively different strain responses to stress increments. Results on the stabil...

Nowadays, nanoscale innovations in the forms of pathogen detection, active packaging, antimicrobial packaging and barrier formation are poised to elevate food packaging to new heights. Antimicrobial nanocomposite LDPE films containing ZnO nanoparticles at different concentrations (e.g. 1%, 3%, 5%  and 3%  nano-ZnO pulse 10% polyethylene grafted maleic anhydride (PE-g-MA), w/w pure LDPE), were p...

G. R. Bardajee Z. Hooshyar

This work is devoted on the rheological behavior of ethylene glycol based nanofluids containing maghemtite nanoparticles. The size of these maghemite nanoparticles was measured using XRD and found to be about <50 nm. Major factors that influence on viscosity and rheological behavior, such as, temperature and particle mass concentration, were investigated over 25–80°C and 0.2 and 2% respectivel...

Journal: :Applied sciences 2023

Magneto-rheological fluids, or MRF, have been known for a long time in the technological and scientific community [...]

Journal: :iran agricultural research 2010
m. moosavi-nasab z. alahdad sh. nazemi

in the present study, the production of dextran from date extract and sucrose as carbon sources by the bacterium leuconostoc mesenteroides nrrl b512 (f) was investigated. in comparison to blue dextran (mw≈2000 da), dextran molecular weight was reduced (mw2000 kda). flow behavior indices of dextran solutions from date extracts were investigated and rheological parameters were evaluated at concen...

Journal: :journal of structural engineering and geo-techniques 2011
iman mehdipour nicolas ali libre mohammad shekarchia

the sustainability of the built environment is increasingly coming to the forefront of infrastructure design and maintenance decisions. to address this, development of a new class of more sustainable cement-based materials is needed. fiber reinforced self-consolidating mortar (frscm) was developed by optimizing the micromechanical parameters, which control composite properties in the hardened s...

Journal: :علوم تغذیه و صنایع غذایی ایران 0
طاهره جهانی t jahani مهین آذر m azar

background and objective : mozzarella is a soft cheese belonging to the pasta filata family, containing 18-24 % fat. the objective of this study was to determine the effect lowering mozarella fat content to 6% and adding whey protein concentrate on the rheological properties of the low-fat cheese. materials and methods : low-fat mozzarella was produced using 3 fat replacers ( dairy-lo, 35% prot...

Journal: :American journal of physiology. Lung cellular and molecular physiology 2014
Eric Y Chen Albert Sun Chi-Shuo Chen Alexander J Mintz Wei-Chun Chin

Tobacco smoke exposure, the major cause of chronic obstructive pulmonary disease (COPD), instigates a dysfunctional clearance of thick obstructive mucus. However, the mechanism underlying the formation of abnormally viscous mucus remains elusive. We investigated whether nicotine can directly alter the rheological properties of mucin by examining its physicochemical interactions with human airwa...

2006
V. Gallardo M. E. Morales J. López-Viota J. D. G. Durán M. A. Ruiz

Because of their large specific surface area, aqueous-based pseudolatex systems of ethylcellulose can absorb large amounts of drugs. In addition, the stability of polymeric particles in biological fluids delays the release of the drug as in controlled drug delivery systems. The aim of the present study was to characterize the rheological properties of latex particles as a measure of their collo...

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