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- nitrile ylide 腈叶立德
- Purification of Nitrile Hydratase from Nocardia sp. 腈水合酶的纯化过程研究。
- Fire proofed nitrile rubber boor. 鞋面采用防火丁腈橡胶。
- Nitrile is a copolymer of butadiene and acrylonitrile. 腈是一种丁二烯与丙烯腈的共聚物。
- These unions also have a resilent nitrile seal ring. 装有弹性丁晴橡胶密封环。
- Gloves Protection : Neoprene or nitrile rubber gloves recommended. 防护手套)(建议使用氯丁丁腈橡胶手套.
- Epoxy resin toughened by carboxyl nitrile rubber exhibits good... 羧基丁腈橡胶增韧的环氧树脂胶表现出良好的拉伸剪切性能。
- How to choose the base used in the synthesis of arsine ylide is studied. 本文主要研究了胂叶立德合成中碱的选择。
- The nitrile (II) (28 g) was mixed with 26 ml of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- Fort Vale Composite seal with PTFE outer ncapsulating Nitrile inner. 内含腈的复合PTFE密封圈。
- BUNa-N is a general purpose oil resistant polymer known as nitrile rubber. 丁腈橡胶(BUNa-N)是一种多用途抗油品腐蚀聚合物,称为腈橡胶。
- The nitrile (II) (28 g) was mixed with 26 ml.of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- The pendant carboxyl groups add more crosslinking sites and polar than Nitrile. 在丁腈橡胶的基础上，羧基增加架桥端并赋予更高的极性。
- Heavy blue nitrile coated gloves, jersey lining. knit wrist or safety cuff. 全棉针织绒内里，可分为安全袖口，罗口。全浸和半浸手套。
- And a high molecular weight poly(arylene ether nitrile sulfone) has obtained. 获得了高分子量的聚芳醚腈砜。
- Studies on fermentation optimization of nitrile hydratase Nocardia sp. HD9611 (产腈水合酶菌Nocardia sp.
- On the second part of the azo different nitrile synthesis of formamide. 第二部分研究了偶氮异丁腈甲酰胺的合成工艺。
- Interestingly, the stereoselectivity of ylide cyclopropanation could be controlled by the choice of the base used for the formation of ylide. 有趣的是，选择不同的碱，能够控制该叶立德环丙反应的立体化学。
- METHODS 3,4,5-trimethoxy-triphenyl benzylidene bromide phosphine salt,the important precursor of the phosphine Ylide,was synthesis from deoxidize,bromization and addition. 方法以3,4,5-三甲氧基苯甲醛为原料,经过还原、溴代、加成三步反应得到叶立德前体3,4,5-三甲氧基苄溴三苯基膦盐。
- Methods:Using bromoactate as starting material, ylide was prepared.Ylide and fullerene were used to produce the methano[C60] fullerene carboxylate and hydrolyze it. 方法:用溴乙酸乙酯制备硫叶立德,再与富勒烯[C60]制得相应的富勒烯[C60]羧酸乙酯,水解其乙酯。
