例句與造句

1. the article analyze the concrete drying shrinkage mechanism, find the major factors of affecting the drying shrinkage, analyze the lack of shrinkage reducing agent, who be of low molecular weight and line chain, design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly-acrylate . the shrinkage reducing agent of poly-acrylate is mainly composed of crylic acid 、 cinnamene 、 poly-glycol 、 solicitating agent 、 chain transferring agent and activator, which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer, which have a high molecular weight and many poly-oxidative alkenes
   論文分析了混凝土干燥收縮的機(jī)理,確定了影響干燥收縮的關(guān)鍵因素,分析已有低分子量的、直鏈型減縮劑的不足,設(shè)計(jì)了一種新型的減縮劑??聚丙烯酸鹽類(lèi)減縮劑,其主要由丙烯酸、苯乙烯、聚乙二醇、引發(fā)劑、鏈轉(zhuǎn)移劑、催化劑等經(jīng)過(guò)聚合、酯化和中和反應(yīng),生成一種高分子量的、含聚氧化烯鏈的聚合物。
2. It's difficult to find process of polymerization in a sentence. 用process of polymerization造句挺難的