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diffusivity |
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diffusivity [ˌdɪfjuːˈsɪvɪtɪ] n 1. (Physics / General Physics) a measure of the ability of a substance to transmit a difference in temperature; expressed as the thermal conductivity divided by the product of specific heat capacity and density 2. (Physics / General Physics) Physics a. the ability of a substance to permit or undergo diffusion b. another name for diffusion coefficient 3. (Physics / General Physics) another name for diffusion [5] How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Services offered: Testing services for thermal expansion, thermal conductivity, thermal diffusivity and specific heat capacity The principal factor controlling the exsolution is the diffusivity (D) of water in a melt; diffusivity is inversely dependant on viscosity ([eta]) and viscosity is inversely dependant on the water content of the melt (Burnham, 1967). 12) We attribute this finding to the high diffusivity of He, which permitted the gas to diffuse into poorly ventilated regions before PEP breathing treatment and therefore minimized our ability to measure any changes in ventilation distribution that might have occurred as a result of the PEP breathing treatment. |
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