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单词 sorption
释义

sorptionn.

/ˈsɔːpʃən/
Etymology: Extracted < absorption and adsorption.
Physical Chemistry.
The combined or undifferentiated action of absorption and adsorption. Frequently attributive.
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sorption1909
1909 J. W. McBain in London, Edinb. & Dublin Philos. Mag. 6th Ser. 18 916 The non-committal name ‘sorption’ may be coined to designate the sum of the phenomena, while ‘absorption’ and ‘adsorption’ should be restricted to proven cases of the solution or surface condensation respectively.
1922 A. W. Stewart Physico-chem. Themes 232 Adopting McBain's nomenclature, we may speak of the surface effect as adsorption and the diffusion into the charcoal pores as absorption; whilst to the joint effect of the two the name sorption may be given.
1932 Trans. Faraday Soc. 28 182 The rate of sorption at constant temperature was very nearly directly proportional to the pressure.
1945 Electronic Engin. 17 325/1 M. Francis—dealing mainly with the sorption effects of the walls— gives a detailed account of the use of the McLeod gauge with non-permanent gases.
1954 Thorpe's Dict. Appl. Chem. (ed. 4) XI. 33/1 In its practical aspects, the term ‘sorption’ is usually applied to the concentration at solid surfaces of gases and vapours, and of dissolved substances and colloids, and is therefore largely synonymous with adsorption.
1969 McGraw-Hill Yearbk. Sci. & Technol. 342/1 Sorption pumping, a process for producing a vacuum in a closed system by the capture and holding of gases by certain solids or liquids, has recently been developed into a practical technique.
1971 Physics Bull. July 423/2 This consists of a large ion pump and liquid N2 cooled titanium sublimation pump combination, ‘roughed’ by two high capacity sorption pumps and an oil free mechanical roughing pump.
1973 Nature 12 Jan. 92/1 New work on the sorption of boron compounds may provide a way of isolating the element from seawater.
1978 Nature 16 Mar. 230/1 It is important in the field of forest products science to know the sorption mechanism of water in wood.

Derivatives

ˈsorptive adj. of, pertaining to, or exhibiting sorption.
ΘΚΠ
the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > of or relating to sorption
sorptive1921
1921 Jrnl. Chem. Soc. 119 928 After each heating, the density was determined and then the sorptive capacity at each of the three temperatures.
1938 Proc. Royal Soc. A. 167 392 The paper describes an attempt to relate the sorptive properties [of zeolites] towards permanent gases..and towards ammonia..to the structure and properties revealed by the X-ray method.
This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018).
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n.1909
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