| 词汇 | mean-free-path |
| 释义 | BETA mean free pathcollocation in Englishmeanings of mean, freeand pathThese words are often used together. Click on the links below to explore the meanings. mean noun[ S ] uk /miːn/ us /miːn/ mathematics specialized the result you get by adding two or more amounts together and dividing the total by the number ... See more at mean free adjective adverb uk /friː/ us /friː/ not limited ... See more at free path noun[ C ] uk /pɑːθ/ us /pæθ/ a route or track between one place and another, or the direction in which something ... See more at path Examples of mean free pathmean free path Radiative losses occur in the precursor when the photon meanfreepath is not small compared to the lateral dimension of the shock. It will be assumed that the ions interact with the atoms as rigid spheres (the model of constant meanfreepath). On the mean-free-path scale, ion inertia, which was negligible on the geometric length scale, becomes a leading-order influence. A modification of the electron inverse meanfreepath for plasmon and electron-hole excitations is obtained due to multiphoton-exchange processes. The standard deviation in the longitudinal direction turns out to be much smaller than the meanfreepath. They oscillate inside the plasma volume with scales much less that the meanfreepath. The size of the ignitor is defined by the meanfreepath of the external heating ions in the pre-compressed plasma. In this region, the meanfreepath of the electrons and ions is small compared with the perturbation wavelength. The second unsatisfactory feature is the ad hoe introduction of kinetic effects by a meanfreepath approach. It is also t o be noted that particles do not traverse their meanfreepath in anything like a straight line. A higher temperature will increase the electron meanfreepath and lateral energy losses, thereby contributing to a more effective thermal smoothing. The distance between the dust particles can be smaller or larger than the neutral-particle meanfreepath. For example, the meanfreepath in argon at standard conditions is given approximately by = 6 x 10-5 mm. The density is scaled up since the meanfreepath layer is very near the wall where the charged particle density becomes very small. It was constrained by two severe limitations: (a) the meanfreepath be much larger than the interaction range; (b) the particle integrity be preserved. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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