胺能参加与卤代烷的亲核取代反应。
Amines can engage in nucleophile substitution reaction with alky.
用氯醇法生产的环氧丙烷中所合杂质除有乙醛、丙醛外，还有烃类、环氧化物、卤代烷、丙酮、醇类等。
Chlorohydrin production of propylene oxide with the impurities except for acetaldehyde, propionaldehyde and hydrocarbon, epoxides, halogenated alkanes, acetone, alcohols, such as.
由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.
从人类活动中释放出来的物质(包括氟氯烃和卤代烷哈龙)同臭氧层中的臭氧分子发生化学变化，导致其破坏。
The destruction of ozone molecules in the ozone layer by chemical reaction with materials released from human activities, including chlorofluorocarbons and halons.
探讨了辐射功率、时间、产物提取方式和卤代烷等对产率的影响。
The effects of microwave power, irradiation time and the purifying way of product on the alkylation were discussed.
在某些《有机化学》教科书中，卤代烷与氨反应制备胺的反应方程序有误。
Of some textbooks of organic chemistry, There is a error in equation for preparing amines from alkyl halides and ammonia.
硫酸二甲酯是一种重要的化工原料，在有机合成中用于代替卤代烷作为甲基化剂。
Sulfuric acid dimethyl ester, one of the important chemical raw materials ACTS as the methylating agent in the organic synthesis for the purpose of replacing alkyl halide.
但是，1974年科学家发现，卤代烷化合物是造成臭氧空洞形成的重要原因。
But in 1974 scientists found that the halogen-alkyl compound is the main factor of those can lead to the Ozone cavity.
对烷基化壳聚糖进行X射线光电子能谱分析表明，随着卤代烷试剂反应活性的增高，发生在壳聚糖羟基上的烷基取代反应增多。
X-ray photoelectron spectroscopy (XPS) indicated that the higher reaction activity of alkyl halide, the more alkyl substitution degree on hydroxyl group of chitosan.
二恶烷经常会在河水、特别是地下水中被检测到，这主要是由于挥发性的卤代碳氢化合物造成的污染。
Dioxane has been frequently detected in river water, especially in ground water polluted by volatile halogenated hydrocarbons.
所述组合物含有溶剂和由一种卤代 硅烷化合物或者其两种或更多种的组合通过共氨解作用得到的聚 硅氮烷化合物。
The composition contains a solvent and a polysilazane compound obtained by co-ammonolysis of one or a combination of two or more halosilane compounds.
卤代烷灭火剂具有高效、低毒、无腐烛、不污损保护对象、化学稳定性好、便于长期储存等优点。
As one of effective fire extinguishing chemicals halogenated alkanes (ha) are effective, low-toxic, corrosion-free, stainless, with best chemical stability and safety for long-term storage.
通过工程实例与卤代烷系统的比较，论证了水喷雾系统用于高层建筑燃油设备房的可行性和经济性。
And also, this thesis studies the feasibility and economy for the fire water spray extinguisher system installed in fuel equipment house in high rise building by the comparison between the fi...
本文简述了干粉灭火技术是可信赖的灭火技术，干粉灭火系统是卤代烷灭火系统的一种良好替代系统；
In this paper, the writer briefly described that powder extinguishing technique is a dependable extinguishing technique, and that powder system is a good substitution for Halon systems;
采用活泼二卤代烷与一种长链叔胺经过一步反应得到最终产物，产率较高。
Active saturated dihalide is adopted to further react with long chain tertiary amine to obtain a final product with high yield.
本发明提供六溴环十二烷生产新工艺，属于卤代烷烃合成生产技术领域。
The present invention provides a new method to produce hexabromocyclododecane, which belongs to the synthesizing and manufacturing technology field for halogenating alkyl and hydrocarbon.
灭火后不留痕迹，是取代卤代烷灭火器的替代品。
It leaves no trace after fire extinguishing. It replaces for alkylogen annihilator.
灭火后不留痕迹，是取代卤代烷灭火器的替代品。
It leaves no trace after fire extinguishing. It replaces for alkylogen annihilator.
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