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- Diaryl nitroxides are even more stable than the dialkyl nitroxides. 二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定。
- Arsine is a colorless, poisonous gas that requires careful handling. 胂是一种无色的有毒的气体,需要小心地对待。
- Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate. 因此术语二烷基碳酸酯包括，例如甲基乙基碳酸酯。
- Once perfectly positioned another drop of thin cyano was fed into the joint. 一旦完全定位另一个下拉薄氰基被馈入联合。
- 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。
- Arsine is a toxic, colorless gas with a garlic-like odor at room temperature and atmospheric pressure. 胂是一种无色有毒气体，在室温和大气压力下会发出类似大蒜的气味。
- Arbutus cyano resin was prepared by heterogeneous graft copllymerizaion of acrylonitrile with polypropylene. 丙烯腈在聚丙烯上非均相接枝共聚，得杨梅形氰基树脂。
- Two series of tolan-type liquid crystals containing terminal cyano group were synthesized. 设计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶。
- This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant. 该方法使用带有二烷基咪唑盐、烷基吡啶盐或者己内酰胺和脂肪酸作为反应物。
- Typical of the dopant chemistry is the reaction for arsine, which is depicted with the deposition process in Fig. 9. 砷化三氢的反应是典型的掺杂化学反应，图9显示了该反应的淀积过程。
- The extraction behavior of dialkyl( aryl) Sulfides may be controlled by polar and steric substituents effects. 二烃基(基)醚的萃取行为受极性和空间取代基效应的控制.
- Diagnostic criteria and principles of management of occupational acute arsine poisoning. 职业性急性砷化氢中毒诊断标准及处理原则.
- The method for synthesizing dialkyl phosphite from phosphorus trichloride was improved. 对用三氯化磷和醇合成亚磷酸二烷基酯方法进行了改进。
- This article provides the synthesis methods of high purity Arsine by arse nic,zinc and sulfuric-acid. 介绍了用砷、锌和硫酸合成高纯砷烷的方法;产品纯度为99.;995%25;总收率为85%25。
- The immediate products of this reaction are alkali-metal derivatives of the dialkyl phenylmalonates. 此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物。
- The factors which would affect the reaction such as solvent, temperature, rectiontime and the mole ratio of cyano group and hydroxylamine were studied. 研究了反应介质、温度、反应时间以及氰基与羟胺的摩尔比对肟化反应的影响。
- We measured the occlusion of W/O emulsion with glutamic acid dialkyl esters by the coalescence of individual drop. 用含有谷氨酸二烷基酯双链型表面活性剂的W/O乳状液,采用逐滴聚结法测定了乳状液的分层包藏量。
- Hill pig answers: Once? of Lang arsine oxime is dangerous advent, do not have time grind one's teeth. 山猪答道:你想想看,一旦危险来临,就没时间磨牙了。
- By direct cyanidation, the reaction of p-toluic acid with urea would convert the carboxyl group to cyano group to give p - tolunitrile. 本文报道了对甲苯甲酸与尿素反应,进行直接氰化将羧基转变成氰基生成对甲苯甲腈的情况,改进了对甲苯甲酸直接氰化的工艺条件。
- An efficient one pot method for the synthesis of 3 arylamino 4 cyano 5 aminopyrazole mediated with anion exchange resin(D261) is described. 报道了一种应用阴离子交换树脂有效合成3-芳氨基-4-氰基-5-氨基吡唑的一锅煮方法。
