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Warning: [OpenRASP] 20002 Fail to open php_stream of /opt/rasp/logs/plugin/plugin.log.2024-12-26! in /www/wwwroot/ppbbu/qk12333.com/index.php on line 55 carboxymethyl hydroxyethyl cellulose例句_carboxymethyl hydroxyethyl cellulose英汉例句_carboxymethyl hydroxyethyl cellulose双解例句_奇客生活牛津词典
The influences of hydroxyethyl methyl cellulose (HEMC) and carboxymethyl cellulose (CMC) on performances of plaster for aerated concrete have been researched in the paper. 本文报道了氧化羧甲基土豆淀粉粘合剂的制备及性能，探讨了氧化及羧甲基化反应的机理。
Hydroxyethyl carboxymethyl cellulose(HECMC) was synthesized by using chloroethanol as etherifying agent instead of oxirane and chloroacetic acid without isolating intermediate. 探讨了用氯乙醇代替环氧乙烷和一氯醋酸作醚化剂，不用分离中间产物合成HECMC。