Dictionary definition: concentration gradient

Article: Concentration Gradient
Chemistry: Foundations and Applications;      700+ words ...Concentration Gradient A concentration gradient occurs where the concentration of something changes ... of food dye in a glass of water diffuse along the concentration gradient, from where the dye exists in its highest concentration ...

Article: Effect of Altitude Concentration Gradient of ...
Journal of the Atmospheric Sciences;  August 1, 2009 ;     700+ words ...ABSTRACT This paper analyzes absorption of soluble atmospheric trace gases by falling rain droplets with internal circulation, which is caused by interfacial shear stresses. It is assumed that the concentration of soluble trace gases in the atmosphere varies in a vertical direction. In the analysis

Article: Weight loss, fatigue, and troubling lab findings: elevated liver ...
Cortlandt Forum;  September 1, 2007 ;     700+ words ...Mr. B, a 77-year-old African American, was admitted through the hospital clinic with complaints of a 20-lb weight loss and fatigue over the past six weeks. His medical history was significant for 17 years of diabetes mellitus and hypertension. He also had glaucoma and suffered an ischemic stroke

Article: Models of motor-assisted transport of intracellular ...
Biophysical Journal;  January 1, 2001 ;     700+ words ... ... and/or particles have plus ... provides net particle transport ... absence of a concentration gradient. A symmetric ... transport down a concentration gradient and enhanced dispersion of particles from a point ... models for particle transport ...

Article: Modeling of particle separation in bends of rectangular ...
American Journal of Applied Sciences;  January 1, 2005 ;     700+ words ... ... model for predicting particle separation efficiency ... pattern, the critical particle size separation theory ... considers a varied radial particle concentration gradient instead of a uniform ... profile for uncollected particles within the bends ...

Article: Particle motion in the fountain flow region during filling ...
Polymer Engineering and Science;  February 1, 2002 ;     700+ words ... ... or diameter. Since particle segregation was found ... not surprising that particle fractionation based ... more of the larger particles migrated towards the ... composites in whi ch particle segregation was absent ... and the particle concentration gradient increased with increases ...

Article: A novel method to detect unlabeled inorganic nanoparticles and ...
Particle and Fibre Technology;  December 3, 2008 ;     700+ words ... ... direction. Particles are driven ... and average particle distance from ... diffusion of particles against the concentration gradient. Since the ... flow), the particles farthest from ... detectable particle size depends ...