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hofmann

  • 网络霍夫曼
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  1. Ultimately , Hofmann said , he expects the app to diversify its audience .

    霍夫曼说,他期望该应用最终能让自己的用户更多样化。

  2. A synthetic method for the preparation of [ 2,2 ] - paracyclophane by hofmann elimination was proposed .

    研究了季铵盐经霍夫曼消除反应制备[2,2]-对二甲苯环二体的合成方法。

  3. A study on Hofmann rearrangement in two-phase system

    两相体系中的Hofmann重排反应

  4. The conformational analysis and reaction mechanism for Hofmann elimination of quaternary ammonium hydroxides

    第四级铵氢氧化物Hofmann消除反应的构象分析及反应机理

  5. Effect of Molecular Weights of Polyacrylamides on Its Hofmann Reaction

    聚丙烯酰胺分子量对其Hofmann反应的影响

  6. Different opinions on diagrammatic sketch of " hofmann structure " of crystalline clays

    关于结晶粘放矿物Hofmann结构图示的不同见解

  7. The Great Pianist of the 20th Century Josef Hofmann

    20世纪伟大的钢琴家约瑟夫·霍夫曼

  8. Hans Hofmann was the first abstract expressionist artists .

    汉斯·霍夫曼是最早的抽象表现主义艺术家之一。

  9. Starch as a raw material is grafted on a reaction product which is made by Hofmann rearrangement of polyacrylamide .

    以淀粉为原料使之与聚丙烯酰胺经霍夫曼重排反应产物进行接技反应而制得。

  10. It seems Janell Burley Hofmann , a blogger and mother of five , has found a solution .

    不过看起来这位叫詹妮尔-霍夫曼的博主找到了解决方法,她是五个孩子的母亲。

  11. Hofmann Degradation of Macroporous Polyacrylamide Resin (ⅱ)

    大孔聚丙烯酰胺树脂的Hofmann降解反应(Ⅱ)

  12. Alex Hofmann , president of Musical.ly , said the company tries to be mindful of its popularity with younger users .

    妈妈咪呀的总裁亚历克斯•霍夫曼(AlexHofmann)说,该公司努力关注它在更年轻用户中的流行。

  13. Improved Hofmann rearrangement in baclofen synthesis

    巴氯芬合成中Hofmann重排反应的改进

  14. 3-aminopyridine was prepared from the Hofmann reaction of nicotinic amide in 93 % yield .

    烟酰胺通过Hofmann降解制得3-氨基吡啶,产率为93%。

  15. Medicine intermediate N-ethylethylenediamine ( NEED ) was synthesized from acrylamide and ethylamine by addition reaction and Hofmann rearrangement .

    以丙烯酰胺为起始原料,经乙胺加成后,再经Hofmann重排两步反应后合成了药物中间体N-乙基乙二胺(NEED)。

  16. The Hofmann degradation reacted under the room temperature , taking about one hour while whisked and converting completely with the selectivity 98 % .

    Hofmann降解反应在室温下进行,搅拌反应一小时,转化完全,选择性98%。

  17. Preparation of Polyvinylamine by Hofmann Degradation

    聚乙烯胺的Hofmann降级反应合成

  18. In chapter 3 , the effect of reaction conditions on Hofmann reaction of RAM was reviewed , and the best condition to enhance the effective content of product was given .

    第三章考察了反应条件对聚丙烯酰胺的Hofmann反应的影响,为提高产物的有效含量提供较佳的反应条件。

  19. Hofmann exhaustive methylation reaction

    霍夫曼彻底甲基化反应

  20. " China is on a very unbalanced path of economic growth , " said Daniel Hofmann , group chief economist at Zurich Financial Services , the global insurance group .

    “中国正走上一条非常不均衡的经济增长道路,”全球保险集团苏黎世金融服务集团(zurichfinancialservices)集团首席经济学家丹尼尔霍夫曼(danielhofmann)表示。

  21. Hofmann degradation of St-g-PAM / BA copolymer

    St-g-PAM/BA共聚物的Hofmann降解反应

  22. And the song that I just played was by Josef Hofmann . It 's called " Kaleidoscope . "

    我刚才弹的那首歌是约瑟夫·霍夫曼的作品,名字叫《万花筒》。

  23. The Hofmann 's distribution family encompassing the Poisson , the Negative Binomial and the Poisson Inverse Gaussian distributions can be used for the number of claims .

    Hofmann分布族可用于复合Poisson过程中索赔次数的研究。

  24. 9-Amino-pelargonic acid was synthesized from sebacic acid through mono-esterification , ammonolysis and Hofmann 's degradation .

    9-氨基壬酸系从癸二酸经单酯化、氨化和Hofmann重排制得。

  25. Prof Hofmann recalls working with some oil industry executives who were physically uncomfortable that a meeting had started without them knowing where the fire exits were situated .

    霍夫曼教授忆起曾与一些石油行业高管合作,如果一次会议开始后,他们尚不知道消防出口在何处,他们会感到很不舒服。

  26. And Hofmann is a Polish pianist and composer of the late 19th century , and he 's widely considered one of the greatest pianists of all time .

    霍夫曼是一个19世纪后期的波兰钢琴家和作曲家,他被广泛认为有史以来最伟大的钢琴家之一。

  27. In this paper , the synthesis of difluoro [ 2,2 ] paracyclophane by Hofmann degradation reaction is reported and the mechanism and the factors which affect the reaction are discussed briefly .

    研究了霍夫曼降解反应合成二氟[2,2]对环番及影响反应的因素并对反应的模式进行了简单的讨论。

  28. UNIDENTIFIED FEMALE : Today 's " Shoutout " goes out to Mrs. Hofmann 's social studies classes at Rawlins High School in Rawlins , Wyoming .

    今天的“大声喊出来”来到了霍夫曼女士的社会学习大课堂。

  29. A full house , seen from the rear of the stage , at the Metropolitan Opera House for a concert by pianist Josef Hofmann , Nov.28,1937 .

    一个完整的家,从舞台后方出现在大都会歌剧院演唱了由钢琴家约瑟夫霍夫曼,1937年11月28日。

  30. In1993 , when Travis Hofmann was a freshman of15 , he had traveled little beyond the sand hills that surrounded his hometown , Alliance , Neb.

    1993年,崔卫斯·霍夫曼恩15岁,他从来没有走出过他的家乡爱兰斯周围的山头。