نتایج جستجو برای: rheology

تعداد نتایج: 6852  

2017

The rheology is widely known as one of the basic methods for rubber investigations for many years. At the same time, a variety of other methods of physical and chemical analysis suitable is available for rubber industry. One of them, the Time-Domain Nuclear Magnetic Resonance (TD--NMR) Spectroscopy is very sensitive to structural properties of elastomer materials. Moreover, by using NMR it is p...

2004
Tharwat F. Tadros

The various interaction forces that govern the stability/flocculation of concentrated suspensions are briefly described. Combination of these interactions result in three main energy-distance curves which determine the final state of the suspension. This ranges from colloidally stable to strongly flocculated (coagulated) suspensions. A schematic representation of the various states of suspensio...

Journal: :Soft matter 2016
Shelby B Hutchens Sami Fakhouri Alfred J Crosby

The cavitation rheology technique extracts soft materials mechanical properties through pressure-monitored fluid injection. Properties are calculated from the system's response at a critical pressure that is governed by either elasticity or fracture (or both); however previous elementary analysis has not been capable of accurately determining which mechanism is dominant. We combine analyses of ...

Journal: :Acta chimica Slovenica 2010
Jacob D van der Merwe Martin Minarik Marin Berovič Niko Herakovič

In order to produce fermentation broth for downstream recovery, a total of 15 fermentations were done in a 15 m3 and two 7.5 m3 vessels. Apart from the evaluation of fermentation yield and productivity, information on the heat and mass transfer coefficients were required for design purposes. The focus of the fermentation study was therefore directed to obtain information on broth rheology, heat...

Journal: :Soft matter 2016
Rasmita Sahoo O Chojnowska R Dabrowski Surajit Dhara

Correction for 'Experimental studies on the rheology of cubic blue phases' by Rasmita Sahoo et al., Soft Matter, 2016, DOI: .

2007
Pierre Y. Julien

A physically based quadratic rheological model for hyperconcentrated flows is tested with experimental data sets. The model includes components describing: (1) Cohesion between particles; (2) viscous friction between fluid and sediment particles; (3) impact of particles; and (4) turbulence. The resulting quadratic formulation of the shear stress is shown to be in excellent agreement with the ex...

2009
Mohammad R.K. Mofrad

The cytoskeleton is the primary internal structure of the cell, providing its structural integrity. The rheology and mechanics of the cytoskeleton, therefore, are key to the cell’s ability to accomplish its diverse functions in health and disease. Although the importance of the cytoskeleton is well established, the relationship between the microstructural details and the macroscopic rheological...

Journal: :Acta medica portuguesa 1983
J Martins e Silva

Blood rheology, that embraces the study of the de formation and flow of the blood, is an outbursting science. There are reasons to think that the develop ment of blood rheology (or Hemorheology) will imply deep changes in medical thought concerning the diag nosis, prognosis or therapy of several clinical disor ders. Hemorheology is not a specific field of medicine or of any of the classic speci...

Journal: :Physical review letters 2003
A W C Lau B D Hoffman A Davies J C Crocker T C Lubensky

We report the first measurements of the intrinsic strain fluctuations of living cells using a recently developed tracer correlation technique along with a theoretical framework for interpreting such data in heterogeneous media with nonthermal driving. The fluctuations' spatial and temporal correlations indicate that the cytoskeleton can be treated as a course-grained continuum with power-law rh...

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