نتایج جستجو برای: solute concentration

تعداد نتایج: 395090  

Journal: :Plant physiology 1982
T T Stevenson R E Cleland

Peeled Avena sativa coleoptile sections (i.e. sections from which the epidermis has been removed) have been used to study the control of solute uptake under conditions where the uptake is not limited by the cuticular barrier. In the presence of 2% sucrose, auxin enhances the rate at which the total osmotic solutes increase, but this appears to be a response to the increased growth rate, inasmuc...

Journal: :Applied Mathematics and Computation 2013
Vincent Cregan Stephen B. G. O'Brien

We obtain improved asymptotic solutions to the spin-coating with small evaporation model. In particular, the spinning of a solute-free fluid, and a two-component solvent–solute solution are studied. In addition, the non-negligible effect of the rise of solute concentration on the solution viscosity at the end of the spin-coating process is considered. 2013 Elsevier Inc. All rights reserved.

Journal: :journal of physical and theoretical chemistry 0
adeogun abideen idowu - idowu abidemi mopelola - ahmed sikiru akinyeye - ayegbusi samuel temitope -

the physicochemical properties of solute in solutions provide valuable information on solute –solvent, solute – solute and solvent – solvent interactions. the intermolecular forces between theliquids molecules and solvent molecules affect the viscosity of the solution. information regardinginter and intra molecular interactions can be obtained from volumetric, and viscometric data in asolute so...

2016
Feng Xu Oliver E Jensen

We examine theoretically the spreading of a viscous liquid drop over a thin film of uniform thickness, assuming the liquid's viscosity is regulated by the concentration of a solute that is carried passively by the spreading flow. The solute is assumed to be initially heterogeneous, having a spatial distribution with prescribed statistical features. To examine how this variability influences the...

Journal: :SIAM Review 1998
M. R

Why does a raw egg swell or shrink when placed in different solutions? Chapter Objectives Define solution, solvent, solute and colligative properties and use them in calculations to solve for molality, mole fraction, weight percent and ppm Explain the differences between saturated, unsaturated and supersaturated solutions, miscible and immiscible Use lattice energy and enthalpy of hydration to ...

Journal: :International journal of sport nutrition and exercise metabolism 2010
Xiaocai Shi Dennis H Passe

The purpose of this study is to summarize water, carbohydrate (CHO), and electrolyte absorption from carbohydrate-electrolyte (CHO-E) solutions based on all of the triple-lumen-perfusion studies in humans since the early 1960s. The current statistical analysis included 30 reports from which were obtained information on water absorption, CHO absorption, total solute absorption, CHO concentration...

2004
Zai-Sha Mao Jiayong Chen

The Marangoni e#ect is a frequently observed phenomenon of enhancement of interphase mass transfer in liquid–liquid systems. Such an e#ect, originating from the hydrodynamic instability induced by surface tension sensitivity to surface concentration of transferred solute, is mathematically formulated and numerically simulated for slowly moving single spherical drops in an axisymmetric boundary-...

2006
DANNY THORNE CHRISTIAN D. LANGEVIN MICHAEL C. SUKOP

SEAWAT is a finite-difference computer code designed to simulate coupled variabledensity ground water flow and solute transport. This paper describes a new version of SEAWAT that adds the ability to simultaneously model energy and solute transport. This is necessary for simulating the transport of heat and salinity in coastal aquifers for example. This work extends the equation of state for flu...

A. R. Sepaskhah M. Fooladi Dorhani

ABSTRACT-Application of models for simulation of solute and pollutants transport in soil can reduce time and costs for remediation process. HYDRUS-1D model was developed to simulate the one–dimensional flow of soil water, heat, solute and viruses in variably saturated–unsaturated porous media. The objective of this investigation is to determine the solute transport parameters in disturbed soil ...

Journal: :Computers & Mathematics with Applications 2007
Le Zhang Andras Z. Szeri

We present a three-dimensional framework for the transport of neutral solute through soft biological tissue, such as the articular cartilage, under different mechanical loading conditions. The tissue is modelled as a mixture of three phases, a hyperelastic, anisotropic solid matrix, an incompressible inviscid fluid and a solute. The formulation accounts for the anisotropic interaction between t...

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