ring opening reaction 中文意思是什麼

ring opening reaction 解釋
開環反應
  • ring : n 1 圈，環，輪；戒指，指環，耳環，鼻圈，鐲子（等）；【運】吊環。2 輪狀物；【植物；植物學】年輪；...
  • opening : n 1 開，開放；開始，著手；開端，開頭；開場，開幕。2 口，孔，縫，洞；空隙；通路。3 空地，空場；〈...
  • reaction : n 1 反作用，反應；反沖；反動力。2 【政治學】反動，倒退；復古（運動）。3 【化學】反應，【物理學】...
  1. Using sodium dicyandiamide and saccharin as raw materials, tribenuron - methyl is synthesized via ring - opening reaction, phosgenation and condensation with total yield of 57. 0 % and product purity of 95. 6 %

    以雙氰胺鈉和糖精為起始原料，經過開環、光氣化、縮合等一系列反應制備了苯磺隆，合成反應的總收率可達57 . 0 %以上，純度可達95 . 6 %以上。
  2. As the content of vermiculite minerals increased, the content of the " intercalated " shape, in which crystal gallery breadth was about of 40nm, also increased. in the curing reaction processing of polybenzoxazine / vermiculite hybrid nanocomposites intercalated with bisphenol a type precursor. according to the content of vermiculite minerals, while different shape of crystal was forming, these crystals were retarding the heat ring - opening polymerization of bisphenol a type precursors in the nanocomposites

    通過對雙酚a型ben蛭石納米插層物固化過程的分析：不同蛭石含量的插層物，在形成不同納米分散狀態固化結構的過程中，蛭石晶片對雙酚a型ben的熱開環聚合有明顯不同的阻礙作用，蛭石含量為3的插層物160的凝膠化時間較純樹脂的延長約7min ，活化能高約8kj mol ，固化反應熱晗低約14j g ，使得固化物的固化程度較純樹脂低約10 ，阻礙作用最大，其它含量的次之。
  3. Mirtazapine was prepared by a seven - step reaction, namely nucleophilic ring - opening reaction, chlorination, cyclization, uncleophilic substitution, hydrolysis, reduction and cyclization from styrene oxide and n - methylethanolamine as the starting materials, with overall yield of 22. 6 %

    摘要以環氧苯乙烯和n -甲基乙醇胺為起始原料，經親核開環、氯代和環合反應得到中間體1 -甲基3 -苯基哌嗪。
  4. Nucleophilic ring opening reaction of unsymmetric aziridines and its regioselectivity

    非對稱氮雜環丙烷的親核開環反應及其區域選擇性
  5. The computerized molecular modeling of the structure of cyclic glycerothiophospholipid conjugate and reaction mechanism of opening - ring

    計算機模擬環甘油磷脂結構及其開環反應機理研究
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