英语词汇“molecular sieve”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

molecular sieve

noun

A crystalline substance (especially a zeolite) with pores of molecular dimensions which permit the passage of molecules below a certain size.Zeolite molecular sieves can also segregate molecules of the same size but different electrical characteristics....

Since DNA molecules have much higher molecular weights than proteins, the molecular sieve used in electrophoresis of DNA must be different as well.
They have anchored bimetallic catalysts to the insides of such molecular sieves and have found that they can selectively hydrogenate cyclic polyenes.

单词	molecular sieve
释义	molecular sieve noun A crystalline substance (especially a zeolite) with pores of molecular dimensions which permit the passage of molecules below a certain size.Zeolite molecular sieves can also segregate molecules of the same size but different electrical characteristics.... Since DNA molecules have much higher molecular weights than proteins, the molecular sieve used in electrophoresis of DNA must be different as well. They have anchored bimetallic catalysts to the insides of such molecular sieves and have found that they can selectively hydrogenate cyclic polyenes.
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