منابع مشابه
Measurements of Gaseous Diffusion Coefficients
Accurate knowledge of molecular diffusion coeffi· cients and their temperature dependence is important in obtaining fundamental information on forces be· tween unlike molecules. Until recently most diffusion measurements were conducted over short temperature intervals because the conventional methods such as the Loschmidt or the Stefan, require the thermostating of large, static systems. Walker...
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INTRODUCTION Fig. I i'only one of the various possible systematic arrangements of the elements that occur in nature, or have recently been produced. The elements are arranged i n order o f increasing atornir number. indicated by the fignre immediately below the sytnbol of each element. Nuclear physiriqts th ink of tlie atornic number Z as the runnber of positively charpcl particles. called prot...
متن کاملNuclear Archaeology for Gaseous Diffusion Enrichment Plants
The field of nuclear archaeology aims to develop the methods and tools to verify past production of fissile materials for military purposes, which may become necessary to support the verification of future arms control agreements that envision deeper cuts in the nuclear arsenals. Techniques have been successfully demonstrated for reconstructing historic plutonium production, especially in graph...
متن کاملDiffusion of gaseous and supercritical CO 2 through polycarbonate 1
Submitted for the MAR13 Meeting of The American Physical Society Diffusion of gaseous and supercritical CO2 through polycarbonate 1 MICHAEL GOODMAN, RAHMI OZISIK, Rensselaer Polytechnic Institute — The design of polymeric materials for applications such as separation membranes and nanostructured foams requires prediction of gas transport properties under a wide range of pressures. In the curren...
متن کاملOn the Effect of Diffusion on Gaseous Detonation
The development and propagation of detonations is examined in the presence of diffusive processes. The difference between the inviscid and viscous models is quantitatively evaluated for one-dimensional propagating detonations. First, an investigation of viscous effects is performed on one-dimensional pulsating unsupported Chapman-Jouguet detonations using a simplified one step kinetics model fo...
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ژورنال
عنوان ژورنال: Nature
سال: 1893
ISSN: 0028-0836,1476-4687
DOI: 10.1038/048104b0