“mass transfer”的概念、定义、翻译、参考文献-科学参考

mass transfer

Astronomy

The transfer of gas between stars in a binary system. The component that is losing material may have evolved to fill its Roche lobe (in which case the system is a semidetached binary), or it may be the source of a strong stellar wind. The component accreting material does so either directly from the stellar wind or a stream of gas, or indirectly through an accretion disk. The transferred gas is generally hydrogen-rich because it originates in the outer layers of the donor star.

Chemical Engineering

The movement of the mass of a component in a system containing two or more components from a region of high concentration to that of a lower concentration. It (p. 231) forms the basis of many chemical and biological processes such as crystallization, adsorption, liquid–liquid extraction, etc. The movement of mass is either by random molecular motion or by convective forces where mass is transferred from a surface into a moving fluid. The mass transfer coefficient is a measure of the diffusion rate that relates the mass transfer rate, mass transfer area, and concentration gradient as the driving force.

Geography

In geomorphology, the movement of materials, especially of sediment. Sedimentary mass transfers move eroded sediments from their source area to an area of temporal storage or long-term deposition in sinks. Rates of sediment transfer are not only conditioned by competence of geomorphic processes but also by the availability of sediment for transport. Studies on mass transfers and sedimentary source-to-sink fluxes generally refer to the development of sedimentary budgets. See Beylich (2011) Zeitschr. Geom. 55, 2, 145 for a very clear account.

单词	mass transfer
释义	mass transfer Astronomy The transfer of gas between stars in a binary system. The component that is losing material may have evolved to fill its Roche lobe (in which case the system is a semidetached binary), or it may be the source of a strong stellar wind. The component accreting material does so either directly from the stellar wind or a stream of gas, or indirectly through an accretion disk. The transferred gas is generally hydrogen-rich because it originates in the outer layers of the donor star. Chemical Engineering The movement of the mass of a component in a system containing two or more components from a region of high concentration to that of a lower concentration. It (p. 231) forms the basis of many chemical and biological processes such as crystallization, adsorption, liquid–liquid extraction, etc. The movement of mass is either by random molecular motion or by convective forces where mass is transferred from a surface into a moving fluid. The mass transfer coefficient is a measure of the diffusion rate that relates the mass transfer rate, mass transfer area, and concentration gradient as the driving force. Geography In geomorphology, the movement of materials, especially of sediment. Sedimentary mass transfers move eroded sediments from their source area to an area of temporal storage or long-term deposition in sinks. Rates of sediment transfer are not only conditioned by competence of geomorphic processes but also by the availability of sediment for transport. Studies on mass transfers and sedimentary source-to-sink fluxes generally refer to the development of sedimentary budgets. See Beylich (2011) Zeitschr. Geom. 55, 2, 145 for a very clear account.
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