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单词 microdiffusion
释义

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microdiffusion
microdiffusion n.
Brit. /ˌmʌɪkrə(ʊ)dᵻˈfjuːʒn/
,
U.S. /ˌmaɪkroʊdəˈfjuʒ(ə)n/
Chemistry and Biology any of several microanalytic techniques involving diffusion; spec. a method used to quantify a gas liberated by a specific reaction, by allowing it to diffuse into a reagent that absorbs it; usually attributive.
ΚΠ
1935 Proc. Royal Soc. A. 148 683 The apparatus used for the experiments..was a modification of the micro-diffusion apparatus developed by Fürth, Ullman and Nistler.
1956 Nature 31 Mar. 623/2 The asparaginase activity of the extract was estimated from the ammonia formed (by the Conway microdiffusion method).
1999 Jrnl. Toxicol. & Clin. Toxicol. 37 337 The strong acid used in the cyanide microdiffusion assay will liberate cyanide that is chelated to iron to yield false positive results.
extracted from micro-comb. form
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