carboxylic ester 中文意思是什麼
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Synthesis of coumarin - 3 - carboxylic acid ethyl ester
甲酸乙酯的合成 -
Study on synthesis of 4 - ethyl - 4 ' - cyano - phenyl carboxylic ester
對乙基苯甲酸對氰基苯酚酯的合成研究 -
Studies on the synthesis of hexakis 4 - carboxylic acid ethyl ester phenoxy cyclotriphosphazenes
三聚磷腈的合成研究 -
Cholesteryl carboxylic ester
膽甾醇羧酸酯 -
The classification of carboxylic ester hydrolytic reaction and effect on hydrolytic reaction
羧酸酯水解的類型及影響因素 -
In this paper, a new class of concrete high performance water reducer ( hpwr ) was designed from chemical classification of high performance wra, working principle and unit structure model of poly - carboxylate series wra. the comb - like copolymer structure of hpwr was " carboxylic group - ether link - ester link ". the synthetic chemical materials was polyethylene glycil, acrylic acid and methyl - metacrylic acid ester
本文從高性能減水劑的化學結構、作用機理以及聚羧酸類減水劑的單元結構模型出發，設計出國內所沒有的一類新型高性能減水劑? ? 「羧酸?醚鍵?酯鍵」為單元結構模型的梳型分子結構的減水劑共聚物，並確定了以聚乙二醇（ peg ）系列、丙烯酸（ aa ） 、甲基丙烯酸甲酯（ mma ）為合成該類減水劑的主要化學原料。
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