نتایج جستجو برای: viscosity

تعداد نتایج: 34491  

Journal: :American journal of physiology. Gastrointestinal and liver physiology 2001
L Marciani P A Gowland R C Spiller P Manoj R J Moore P Young A J Fillery-Travis

The relationship between the intragastric distribution, dilution, and emptying of meals and satiety was studied using noninvasive magnetic resonance imaging techniques in 12 healthy subjects with four polysaccharide test meals of varying viscosity and nutrient content as follows: 1) low-viscosity nonnutrient, 2) low-viscosity nutrient, 3) high-viscosity nonnutrient, and 4) high-viscosity nutrie...

2007

Flow rate versus viscosity Another major difference between the pump types is the effect viscosity has on the capacity of the pump. You will notice in the flow r loses flow as the viscosity goes up but the PD pump’s flow actually increases. This is because the higher viscosity liquids fill the clearances of the pump causing a higher volumetric efficiency. Remember, this chart shows effect of vi...

2008
J E Avron

When time reversal is broken the viscosity tensor can have a non vanishing odd part. In two dimensions, and only then, such odd viscosity is compatible with isotropy. Allowing for odd viscosity leads to a generalization of the wave and Navier-Stokes equations. Elementary features of odd viscosity are examined by considering solutions of these equations for hypothetical fluids where the stress i...

2017
Dmitri Kharzeev Kirill Tuchin

Kubo's formula relates bulk viscosity to the retarded Green's function of the trace of the energy-momentum tensor. Using low energy theorems of QCD for the latter we derive the formula which relates the bulk viscosity to the energy density and pressure of hot matter. We then employ the available lattice QCD data to extract the bulk viscosity as a function of temperature. We find that close to t...

Journal: :archives of anesthesiology and critical care 0
atabak najafi tehran university of medical sciences mozhde jalali tehran university of medical sciences farhad etezadi tehran university of medical sciences mohammad reza khajavi tehran university of medical sciences reza shariat moharari tehran university of medical sciences farsad imani tehran university of medical sciences

background: we aimed to compare the effect of albumin 5% in half normal saline (half ns) versus normal saline (ns) infusion on the plasma viscosity in the near-normal physiological condition. according to the high oncotic pressure of albumin along with prolonged half-life of its molecules in comparison to ns in the intra-vascular compartment, it has been proposed that a more significant reducti...

2012
Adrian Karpowicz Vicentiu D. Radulescu

This paper is devoted to the study of the maximum principle for the elliptic equation with a deviated argument. We will consider viscosity solutions of this equation.

2010
Paul Dupuis Hitoshi Ishii H. Mete Soner

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Journal: :Journal of bacteriology 1974
W R Schneider R N Doetsch

The behavior of a number of motile flagellated bacteria toward viscosity characteristics of their fluid environments was observed. All showed an increase in velocity (micrometers per second) in more viscous solutions. Velocity reached a maximum at a characteristic value, however, and thereafter decreased with higher viscosities. Peritrichously flagellated bacteria had maximum velocities at high...

Journal: :Systems & Control Letters 2012
Liangquan Zhang

In this paper, we investigate the controlled systems described by forward-backward stochastic differential equations with the control contained in drift, diffusion and generator of BSDEs. A new verification theorem is derived within the framework of viscosity solutions without involving any derivatives of the value functions. It is worth to pointing out that this theorem has wider applicability...

2008
Changyou Wang

Given a Carnot-Carathéodory metric space (R, dcc) generated by vector fields {Xi} m i=1 satisfying Hörmander’s condition, we prove in theorem A that any absolute minimizer u ∈ W 1,∞ cc (Ω) to F (v,Ω) = supx∈Ω f(x,Xv(x)) is a viscosity solution to the Aronsson equation (1.6), under suitable conditions on f . In particular, any AMLE is a viscosity solution to the subelliptic ∞-Laplacian equation ...

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