نتایج جستجو برای: volume flow rate

تعداد نتایج: 1626976  

خادم, منیره, رحیمی فروشانی, عباس, شاهطاهری, سید جمال الدین, فریدبد, فرنوش, گلبابایی, فریده, گنجعلی زاده, محمدرضا,

    Background and Aim: The aim of this study was to assess exposure of workers in a metal industry to nickel and lead.   Materials and Methods: Extraction was done using the solid-phase extraction on Chromosorb-102 resin to prepare, concentrate and purify biological samples of urine, hair and nails of workers working in metal industries. The variables influencing response (pH, loading flow rat...

Background and Objectives: Red beet juice, a potential source of valuable nutrients, is widely used as a colorant in food industries. In recent years, to avoid reduction of nutritional values of the red beet during concentration by thermal processing, an osmotic distillation (OD) technique has been suggested. Therefore, the major aim of the present study was to investigate effects of the flow r...

Buoyancy driven heat transfer of Cu-water nanofluid in a differentially heated square cavity with an inner adiabatic square baffle at different positions is studied numerically. The left and right walls of the cavity are at temperatures of Th and Tc, respectively that Th > Tc, while the horizontal walls are insulated. The governing equations are discretized using the finite volume method while ...

Journal: :Circulation 1953
G F WARNER E L DOBSON N PACE M E JOHNSTON C R FINNEY

The effects of changes in injection volume on the intramuscular ra(liosodiumii clearance rate was investigated in six normal young men. The clearance rate was found to be quite sensitive to the volume of solution injected, and an increase in the rate of clearance corresponding to a dlecrease in volume was uniformly noted. Rigid control of the injection volume is necessary Allen this method is u...

2005
Elias G. Skoufis Robert A. Levine

The noninvasive Doppler assessment of regurgitant volume from jet size is limited by the fundamental inequality of jet volume and regurgitant volume and by the dependence of jet dimensions on driving pressure and instrument settings for a given flow volume. Therefore, this study addresses the hypothesis that an equation could be derived from basic physical principles to quantify regurgitant vol...

2006
Mónica S. Neves Oliveira Manuel A. Alves Fernando T. Pinho Gareth H. McKinley

We study the flow of a Newtonian fluid through microfabricated hyperbolic contractions in detail. A set of planar converging geometries, with total Hencky strains ranging from 1 to 3.7, have been fabricated in order to produce a homogeneous extensional flow field within the contraction. The kinematics in the contraction region are investigated experimentally by means of micro particle image vel...

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