常見例句雙語例句The influences of hydroxyethyl methyl cellulose (HEMC) and carboxymethyl cellulose (CMC) on performances of plaster for aerated concrete have been researched in the paper.本文報道了氧化羧甲基土豆?jié)辗壅赤A劑的制備及性能，探討了氧化及羧甲基化反應(yīng)的機理。Hydroxyethyl carboxymethyl cellulose(HECMC) was synthesized by using chloroethanol as etherifying agent instead of oxirane and chloroacetic acid without isolating intermediate.探討了用氯乙醇代替環(huán)氧乙烷和一氯醋酸作醚化劑，不用分離中間産物郃成HECMC。 返回 hydroxyethyl carboxymethyl cellulose