环胺
- 与 环胺 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The composite catalyzercan effectively catalyze cyclize reaction on the sysnthesis of N-phenyl maleimide.The yield of NPMI arrives at 90%,and the purity is 98.15%.
合成N-苯基马来酰亚胺的最佳工艺条件为;原料摩尔配比为1;1.2;溶剂为20;1;初期反应温度为40~50℃,环化反应温度为135℃;环化时间为2h。
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The composite catalyzercan effectively catalyze cyclize reaction on the sysnthesis of N-phenyl maleimide.
合成N-苯基马来酰亚胺的最佳工艺条件为;原料摩尔配比为1;1.2;溶剂为20;1;初期反应温度为40~50℃,环化反应温度为135℃;环化时间为2h。
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Dihydro-5H-cyclopentanopyridine, a key intermediate of Cefpirome, was synthesized from cyclopentanone and propargylamine under autoclave prompted by copper chloride.
以环戊酮和丙炔胺为原料,在高压釜中用氯化亚铜催化合成头孢匹罗关键中间体6,7-二氢-5H-环戊烷并吡啶。
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Under the optimum conditions of a cyclopentene amount of 1.0 mol, a molar ratio of cyclopentene to water of 0.25, a reaction temperature of 120 ℃, a reaction time of 4.0 h, a main catalyst dosage of 4.0 g and a cocatalyst dosage of 0.8 g, the yield of cyclopentanol reached 68.6%.
确定适宜的反应条件为:环戊烯1.0 mol,n﹕n=1﹕4,反应温度120 ℃,反应时间4.0 h,硅胶负载铌酸主催化剂用量4.0 g,三(3,6-二氧杂庚基)胺助催化剂0.8 g。在此反应条件下,环戊醇收率68.6%。
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Cyclopentanol was synthesized from cyclopentene and water through hydration reaction using HNb3O8·H2O/SiO2 as main catalyst and tris(dioxa-3,6-heptyl)amine (TDA-1) as cocatalyst.
在以硅胶负载铌酸为主催化剂、三(3,6-二氧杂庚基)胺为助催化剂的作用下,以环戊烯和水为原料,通过水合加成反应合成了环戊醇。
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The animals were divided into 4 groups: Control group, CsA group, Cyp group and CyP+CsA group.
动物随机分4组:对照组、环孢素A组、环磷酰胺组和CsA+CyP组。
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Three series of segmented polyurethanes were synthesized, which are based on 4,4'-methylene-di, N-methyl diethanolamine and hydroxy terminated poly-butadiene, poly or poly.
本文讨论了以聚环氧乙烷、聚环氧丙烷以及聚丁二烯为软段,以4,4'-二异氰酸二苯甲烷和N,N-二羟乙基甲胺为硬段的链段型聚氨酯的合成。
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Utilizing 6 and several kinds of diazides prepared in our lab, polys containing 1,2,3-triazolyl and perfluorocyclobutane units were synthesized by "Click chemistry". Utilizing the polycondensation reaction between 6 and several commercially available aromatic diphenol or copolymerization reaction after adding another active aromatic dichloride, fluorinated polys containing phenylphosphine oxide units were synthesized. Utilizing the polycondensation reaction between 6 and several commercially available aromatic dianhydride, fluorinated polys containing PPO units were synthesized.Secondly, structure characterization of fluorinated polys.
利用化合物6同各种自制的二叠氮化合物,通过&Click chemistry&,合成了具有1,2,3-三唑环结构单元的全氟环丁基类聚芳醚;利用化合物22同各种商业化的芳香二元酚类化合物进行缩聚反应或者再加入另外一种活性芳香二氯代物进行三元共聚反应,制备了具有苯基氧膦结构单元的含氟聚芳醚;通过化合物25同各种商业化的芳香二元酸酐类化合物进行缩聚反应,得到了具有PPO结构单元的含氟聚醚酰亚胺。
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A bis-imdazoline corrosion inhibitor JUC was synthesized by reacting with divinyl three amine,and its quaternary ammonium JUCI was also synthesized for corrosion inhibition in acids.
以己二酸、二乙烯三胺为原料合成了双环咪唑啉缓蚀剂JUC,并对其季铵化后得到了适于酸化用的双环咪唑啉季铵盐缓蚀剂JUCI;采用静态挂片失重法对合成的缓蚀剂在酸化条件下的缓蚀性能及与非离子表面活性剂SA-1复配后的缓蚀性能进行了评价研究。
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EM analysis the worn surface morphology shows the following results: elastic deformation and fatigue are the main wear mechanisms of SMCC when impacted with lower erodent velocity, while the dominant mechanisms change into microcutting and microploughing with the increment erodent velocity.The slurry erosion behaviors of ceramic particles reinforced epoxy matrix composite coating were explored using a self-designed slurry pot tester.
首次采用自制的模拟罐式泥浆冲蚀试验机对环氧基复合涂料的泥浆冲蚀磨损性能进行了研究,通过调整固化剂聚酰胺与环氧的质量比,设计出最佳的基体组成;尽管涂层的铅笔硬度对其抗冲蚀性能有一定的影响,但起决定性作用的因素是涂层的韧性和硬度有机结合。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。