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- However, alkyl-substituted propargylic dithioacetals could be synthesized by the displacement reaction of the corresponding terminal alkynes with alkyl iodides. 烷基取代的炔丙基硫缩酮衍生物,则能利用相对应的末端炔和碘烷亲电基进行取代反应所获得。
- Compared to long-chain alkyl iodides, cyclic alkyl iodides have obviously different characteristic of angular distributions which the value of anisotropy parameterfor I is bigger than that for I*. 与碘代直链烷烃相比,碘代环烷烃分子具有明显不同的角度分布特征,碘代环烷烃分子基态的值大于激发态。
- Keywords alkyl iodide;discharge-excited iodine laser;quantum chemistry calculation;kinetic model;small signal gain; 烷基碘化物;电激励碘原子激光器;量子化学计算;动力学模型;小信号增益;
- alkyl iodide 烷基碘
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- Keywords multiphoton ionization;alkyl iodides;time-of-flight mass spectium; 多光子电离;碘代烷烃;飞行时间质谱;
- It was a compound called silver iodide. 那是一种叫做碘化银的化合物。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- To add one or more alkyl groups to(a compound. 使烷基化在(一种化合物)中添加一个或多个烷基团
- To add one or more alkyl groups to(a compound). 使烷基化在(一种化合物)中添加一个或多个烷基团
- There was the trouble.The silver iodide he had used was not pure. 问题找到了,他所用的碘化银不纯。
- Theoretical Study on Dissociation of Two Alkyl Iodides and Measurement of Emission Spectra 两种烷基碘化物分子理论研究及其发射谱测量
- Formation of an alkyl ion occurs according to reactions. 按照反应式生成烷基离子。
- The general answer to this problem is to avoid alkyl halides. 解决这一问题的一般办法是避免使用烷基卤。
- Guide for the use of potassium iodide in accident of radioiodine contamination. 放射性碘污染事故时碘化钾的使用导则。
- Ingredients: Alga essence, alkyl indican, chamomile essence, etc. 主要成分:海藻精华、烷基糖苷、洋甘菊精华等。
- Ingredients: alkyl indican, cucumber extract, VC, etc. 主要成份:烷基糖苷、小黄瓜提取液、VC等。
- Alkyl indicant is a new non-ionic surface active agent. 烷基糖苷是一类新型的非离子表面活性剂。
- Clouds are sometimes seeded with silver iodide to induce precipitation. 人们有时在云里播撒碘化银,以诱使降雨。
- Ingredients: Gelatin, potassium bromide, potassium iodide, and silver nitrate. 成份:凝胶(明胶),溴化钾,碘化钾,硝酸银