- elutriation method
- 水析法
English-Chinese geology dictionary (英汉地质大词典). 2013.
English-Chinese geology dictionary (英汉地质大词典). 2013.
Elutriation — Elutriation, also known as air classification, is a process for separating lighter particles from heavier ones using a vertically directed stream of gas or liquid (usually upwards). This method is profoundly used for particles with size (>1ųm)… … Wikipedia
Counterflow centrifugation elutriation — (CCE) is a cell separating technique. This method enables scientists to separate different cells with different sizes. Since cell size is correlated with cell cycle stages this method also allows the separation of cells at different stages of the … Wikipedia
separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… … Universalium
Green chemistry — Green chemistry, also called sustainable chemistry, is a chemical philosophy encouraging the design of products and processes that reduce or eliminate the use and generation of hazardous substances. Whereas environmental chemistry is the… … Wikipedia
Pottery of ancient Greece — Bilingual amphora by the Andokides Painter, ca. 520 BC (Munich) As the result of its relative durability, pottery is a large part of the archaeological record of Ancient Greece, and because there is so much of it (some 100,000 vases are recorded… … Wikipedia
cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… … Universalium
Gasification — This article is about the process. For the water carbonator, see Gasogene. For the automobile device, see Wood gas generator. Sustainable energy … Wikipedia
Particle-size analysis — This article describes the determination of the size of particulate solids, where the meaning of the particle excludes those of subatomic particles, which belong to the field of particle physics.Particle size analysis, particle size measurement,… … Wikipedia
mercury processing — Introduction preparation of the ore for use in various products. Mercury (Hg) has a unique combination of physical properties. Its low melting point (−38.87° C [−38° F]) and boiling point (356.9° C [674° F]), high specific gravity (13 … Universalium