opening of ring 中文意思是什麼

opening of ring 解釋
環的裂開
  • 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；〈...
  • of : OF ＝Old French 古法語。
  • 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；...
  1. Activation of calix 6 arene in the ring - opening polymerization of - caprolactone catalyzed by rare earth aryloxide catalysts in low temperature

    己內酯低溫開環聚合中的活化作用
  2. Stress analysis of coaming opening which cuts a ring on ring - stiffened cylindrical shell

    切斷一根肋骨的圓柱殼開孔應力分析
  3. Ring - opening polymerization of - caprolactone catalyzed by the divalent - diketiminate ytterbium complexes

    己內酯開環聚合
  4. Preparation of caprolactone with ring - opening polymerization

    開環聚合制備聚己內酯
  5. Ring - opening polymerization of - caprolactone catalyzed by rare earth chloride

    己內酯開環聚合
  6. Ring opening polymerization of 3 - morpholinone and - caprolactone with zinc powder as catalyst

    己內酯的開環聚合反應
  7. 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。
  8. Last week, construction of the remaining 4 kilometers of ring road no. 8 kanpachi dori was completed, opening the entire stretch of road to traffic

    上周， 8號環線剩餘的4公里竣工，使得整條路段得以全線通車。
  9. Going by car to these occasions was always risky, too, opening one up, as it did, to the pure joy that is travelling at slightly less than three feet per minute around the cardiff ring road for a minimum of hour and a half

    駕車前往參加這種大日子亦一向是同樣的冒險，或者更直接地說，純粹只能享受以比每分鐘三尺稍慢的速度在卡迪夫環形公路行駛最少一個半小時的樂趣。
  10. Ring - opening polymerization of aliphatic cyclic esters by using organic amino calcium catalyst

    有機氨鈣催化聚合脂肪族環酯
  11. 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。
  12. The methods and mechanisms of thermal, anionic, transition metal catalyzed ring - opening polymerization ( rop ), as well as the structure, property and potential applications of resultant polyferrocenophanes have been described

    對熱引發、陰離子引發、過渡金屬催化等開環聚合方法及機理以及聚合物結構、性能及潛在應用作了介紹。
  13. Study of the ring - opening polymerization of - caprolactone on the surface of biaxially oriented polypropylene film

    膜表面接枝聚己內酯的研究
  14. 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。
  15. In accordance with the application, there are three kinds of opening, closing and plane. in accordance with the configuration, round, double offset ring, eccentric, carving, hexagonal, ellipse, peach blossom form

    按形狀分圓形梅花刻字六角橢圓五星方形桃形等異型鞋眼，計壹百多個規格，貳百多個品種。
  16. 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
  17. Supercritical co2 - mediated preparation of solid acid catalyst and its application in ring - opening polymerization of - caprolactone

    己內酯開環聚合中的應用
  18. Puc18 - 169 was a subcloned plasmid containing the whole operon sequence of l - hydantoinase from arthrobacter bt801 which can convert 5 - benzylhydantoin to l - phenylalanine. hydantoin hydrolase which is responsible for the ring opening of hydantoin is one of the components of hydantoin utility enzymes of arthrobacter bt801. n - carbamoylase is a part of hydantoinase operon which can transform n - carbamoylamino acids into the corresponding amino acids

    節桿菌（ arthrobacter ） bt801是由軍事醫學科學院生物工程研究所保存的l -乙內酰脲酶產酶菌株， puc18 - 169是由本室構建的含有節桿菌bt801的l -乙內酰脲酶完整操縱子序列的亞克隆質粒。
  19. 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
  20. Features of ring - opening polymerization of - caprolactone initiated by la 3 - optimal conditions explored by orthogonal experimental design

    用正交試驗法探討最優聚合條件
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