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Diffusion is
driven by a
gradient in concentration. The
concept of
diffusion is
widely used in many fields,
including physics (particle
diffusion),...
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Diffusion of
innovations is a
theory that s****s to
explain how, why, and at what rate new
ideas and
technology spread.
Everett Rogers, a
professor of...
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Molecular diffusion,
often simply called diffusion, is the
thermal motion of all (liquid or gas)
particles at
temperatures above absolute zero. The rate...
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Diffusion pumps use a high
speed jet of
vapor to
direct gas
molecules in the pump
throat down into the
bottom of the pump and out the exhaust. They were...
- Fick's laws of
diffusion describe diffusion and were
derived by
Adolf Fick in 1855. They can be used to
solve for the
diffusion coefficient, D. Fick's...
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discussion to help
reach a consensus. ›
Diffusion current is a
current in a
semiconductor caused by the
diffusion of
charge carriers (holes and/or electrons)...
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Diffusion-weighted
magnetic resonance imaging (DWI or DW-MRI) is the use of
specific MRI
sequences as well as
software that
generates images from the...
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Facilitated diffusion (also
known as
facilitated transport or p****ive-mediated transport) is the
process of
spontaneous p****ive
transport (as opposed...
- In
probability theory and statistics, a
diffusion process is a
solution to a
stochastic differential equation. It is a continuous-time
Markov process...
- The
diffusion equation is a
parabolic partial differential equation. In physics, it
describes the
macroscopic behavior of many micro-particles in Brownian...