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【求助】這句英文怎么翻譯 已有4人參與
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In a typical synthesis, 1,3-butylene glycol (1, 3 BG, 10 mL) that contained poly (vinyl pyrrolidone) () was placed in a 25-mL vial, capped and heated with stirring in an oil bath at 160 C for 1 h. 括號內(nèi)的話:PVP, MW= 50000, 150 mM as calculated in terms of the repeating unit,這句話怎么翻譯,如果把150mM理解為150毫摩爾每升的話,那10毫升溶液中要加入的PVP的含量要達(dá)到50000*0.01*0.15=75g,顯然不對。不知各位搞化學(xué)的怎么理解這話。本來學(xué)材料的,這方面的接觸的不多。 |
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