內酯鍵 的英文怎麼說
中文拼音 [nèizhǐjiàn]
內酯鍵
英文
lactone bond-
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。On the basis of anal zing structure - activity relationship, the key points and solving methods of synthesizing brassinosteroids are introduced from the synthesis of matrix - cycle and introducing side chain
在分析油菜甾醇內酯類植物生長調節劑結構與活性關系的基礎上,從母環的合成和側鏈的引入兩個方面詳細介紹了該類化合物的合成關鍵及解決方法。
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