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Libri Libri 1 - 10 di 34 su ... from an area of high concentration to an area of low concentration..
" ... from an area of high concentration to an area of low concentration. "
Wastewater Bacteria - Pagina 246
di Michael H. Gerardi - 2006 - 272 pagine
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Xenobiotic Metabolism and Disposition: The Design of Studies on Novel Compounds

Harry P.A. Illing - 1989 - 232 pagine
...cross cell membranes. In the majority of cases, this will be by passive diffusion. The drug will move from an area of high concentration to an area of low concentration until the concentration of the drug on both sides of the membrane is equal. This process requires no...
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Wet Scrubbers, Second Edition

Howard D. Hesketh, Kenneth C. Schifftner - 1996 - 206 pagine
...molecules per pound mole dp = particle diameter, feet t = time, seconds Particles will diffuse or migrate from an area of high concentration to an area of low concentration in a manner analogous to the flow of a gas from an area of high to low concentration. The particles...
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Introduction to Catalytic Combustion

R.E. Hayes, Stan T. Kolaczkowski - 1998 - 690 pagine
...mass transfer phenomenon which occurs at the molecular level. It is the tendency of molecules to move from an area of high concentration to an area of low concentration. There are two types of diffusion important in catalytic combustion, namely: Bulk diffusion — Occurs...
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Biology Coloring Workbook

I. Edward Alcamo - 1998 - 327 pagine
...pumped to all parts of the body. The driving force behind gas exchange is diffusion: the movement of gas molecules from an area of high concentration to an area of low concentration. To summarize, after inhalation, the oxygen content is high in the alveolus and low in the blood. Therefore,...
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Basics of Toxicology

Chris Kent - 1998 - 402 pagine
...to the active transport mechanism. However, no energy is expended and transport of the substance is from an area of high concentration to an area of low concentration. This mechanism is used to transport substances that are too large to diffuse through the cell membrane...
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Plant Nutrition Manual

J. Benton Jones, Jr. - 1997 - 230 pagine
...by mass flow will be impaired. Diffusion is the process by which ions move within the soil solution from an area of high concentration to an area of low concentration. Most of the ions of the essential elements are moved by diffusion in the soil solution surrounding...
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High Risk and Critical Care Intrapartum Nursing

Lisa K. Mandeville, Nan H. Troiano - 1999 - 486 pagine
...edema. Exchange of oxygen and carbon dioxide occurs by a process of diffusion, defined as movement from an area of high concentration to an area of low concentration to reach an equilibrium. The majority is carried by the hemoglobin molecules (measured as oxygen saturation)...
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AS biology for AQA (specification B)

Christine Lea, Pauline Lowrie, Siobhan McGuigan - 2000 - 267 pagine
...their size 2 whether they have a charge their solubility in lipids or water. Diffusion is an overall movement of molecules from an area of high concentration to an area of lower concentration. When molecules move by diffusion, no energy is used. For this reason diffusion...
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Human Body Explorations: Hands-on Investigations of what Makes Us Tick

Karen E. Kalumuck, Exploratorium Teacher Institute (San Francisco, Calif.) - 2000 - 184 pagine
...follicles, blood vessels, nerves, sweat and oil glands, and muscle. diffusion: Movement of particles from an area of high concentration to an area of low concentration. disaccharide: Sugar molecule derived by the combination of two simple sugar molecules, or monosaccharides....
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A2 Biology for AQA Specification B

Christine Lea, Pauline Lowrie, Siobhan McGuigan - 2001 - 315 pagine
...some neurones in the brain form several hundred synapses. Memory joggers • Diffusion is the overall movement of molecules from an area of high concentration to an area of lower concentration. • Substances can pass through cell membranes by diffusion. • Action potentials...
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