KSIĄŻKI POWIĄZANE ZE SŁOWEM «DIFFUSION CONSTANT»
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1
Intermediate Physics for Medicine and Biology
Problem 16 The dimensionless “Lewis number” is defined as the ratio of the
diffusion constant for molecules and the diffusion constant for heat flow (see
Problem 15.) If the Lewis number is large, molecular diffusion occurs much more
rapidly ...
Russell K. Hobbie, Bradley J. Roth, 2007
2
Introduction to
Diffusion Tensor Imaging: And Higher Order ...
b = 100 s/mm2 b = 287 s/mm2 b = 486 s/mm2 b = 823 s/mm2 lintensit y b = 1394
s/mm2 0 Diffusion constant map 500 1000 b-value * 1500 FIGURE 3.10
Relationship between gradient strength and signal intensity. As the gradient
strength ...
Susumu Mori, J-Donald Tournier, 2013
3
Comparative Animal Physiology, Environmental and Metabolic ...
This factor was recognized by August Krogh (99), who introduced the concept of
a biological diffusion constant, which is the product of the diffusion coefficient (D)
and the solubility coefficient a. Krogh's diffusion constant, K, has been ...
4
Granular Nanoelectronics
The diffusion constant can be defined by (Alley and Alder, 1979) t D(r) = (1)
where <)>(r,O is the correlation function defined above. Figure 2 shows the time
evolution of the diffusion constant evaluated by integrating correlation functions
in Fig.
David K. Ferry, John R. Barker, Carlo Jacoboni, 1991
5
Biological Applications of the Physics of
Diffusion
and the diffusion constant within the bilayer [100, 101] is Dm = 0.05μm2/s. (5.3)
With these values, the total permeability of the bilayer domain is equal to that of
the “infinitesimally thin layer”. The derivation to these parameter values from ...
6
Handbook of Neuro-Oncology Neuroimaging
Herbert B Newton. and maps of the diffusion constant are then calculated. To
avoid any ambiguities in the image interpretation, due to the directionally
dependent restricted diffusion in white matter tracts, image data are collected
sequentially ...
7
Animal Physiology: Adaptation and Environment
The need for the use of the diffusion constant in physiology arose in connection
with the study of diffusion of gases between air and tissues, notably in the
mammalian lung. For this purpose it is practical to refer the diffusion rate of a gas,
say ...
Knut Schmidt-Nielsen, 1997
8
Brain Mapping: The Methods
Images with different /; values (middle) are called diffusion-weighted image-, and
a calculated map of the diffusion constant (bottom image) is called the apparent
diffusion constant map. Blue color indicates an area with high diffusion constant ...
Arthur W. Toga, John C. Mazziotta, 2002
9
Handbook of Metallurgical Process Design
The effect of carbon potential 0.4 OJ 0.7 0.8 0.9 1.0 Carbon Potential (%) Figure 8
Correlation between carbon potential and the effective diffusion constant (K).
Diffusion rate calculated relative to effective case depth having 0.4% carbon. on ...
George E. Totten, Kiyoshi Funatani, Lin Xie, 2004
10
Silicon device processing: proceedings
The second law is the result of applying conservation of matter to the first law and
is mathematically stated: dC(x) d_ f dC(x), dt dx v dx ; (2) = +D*L-(C(x)) (3) dx if
the diffusion constant is not a function of position. The well known complementary
...
Charles P. Marsden, American Society for Testing and Materials. Committee F-1 on Materials for Electron Devices and Microelectronics, 1970
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «DIFFUSION CONSTANT»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
diffusion constant w wiadomościach.
Researchers find the macroscopic Brownian motion phenomena of …
In 1905, Einstein published a theoretical paper interpreting the stochastic process using particle diffusion constant and the fluid viscosity. «Nanowerk, Lip 15»
Combining Atomic Force Microscopy with Scanning Electrochemical …
... species following I = 4nFDcr (n = number of transferred electrons, F = Faraday constant, D = diffusion constant of the redox active species). «AZoNano.com, Sty 15»
Meeting Review: The Chromatographic Society Spring Symposium …
This reduced pressure perturbations and led to more precise measurements of the diffusion constant. Dr Heaton then went on to discuss the ... «Chromatography Today, Lis 14»
Modelling drug delivery to the brain
They also employed pre-determined Dox pharmacokinetic parameters, such as plasma half-life, albumin binding ratio, diffusion constant, and ... «Medical Physics Web, Paz 14»
How Quickly Does the Smell of Blood Travel Through Water?
A typical diffusion constant for a medium-sized molecule in water is about 5*10^{-6} cm^2/s . If we want the smell to travel a quarter mile, or a ... «Slate Magazine, Paz 13»
Macromolecule and Nanoparticle Characterization: An Interview …
... r.m.s. radius rg; dynamic light scattering (DLS) measures the diffusion constant, which relates to another type of size - hydrodynamic radius, ... «Azom.com, Kwi 13»
Disorder Makes a Robust Matter-Wave Interferometer
This time scale depends on the diffusion constant of atoms in the disordered potential , which is an important transport parameter and which ... «Physics, Lis 12»
Holes in the stream
The packet undergoes diffusion, spreading at a rate controlled by the so-called ambipolar diffusion constant , a weighted average of the ... «Physics, Cze 11»
Speeding up in a crowd
Similarly, the effects of the other B particles on the diffusion constant are accounted for by replacing with the self-diffusion constant . «Physics, Wrz 10»
Using Inverse Gas Chromatography for the Physico-Chemical …
C is related to all non-equilibrium properties and is therefore directly related to the bulk diffusion constant. Figure 8. Dependence of the ... «Azom.com, Kwi 10»
