The biodegradability of 27 substituted benzenes in the Songhua river water by BOD technique.
测定了27种取代苯类化合物在松花江江水中的生物降解性。
With the established model, the boiling point and flashing point of the other 7 halogenated benzenes were predicted.
利用建立的模型，对另外7种卤代苯的沸点和闪点进行了预测。
Methods: Used carbon disulfide to extract the benzenes in drinking water, Gas chromatography separation and detection.
方法：用二硫化碳萃取饮用水中的苯系物，气相色谱法进行分离检测。
Conclusion: the method was quite suitable for determining the benzenes of drinking water, it was simple, fast, accurate and precise.
结论：该方法简单、快速、准确、灵敏，适用于饮用水中苯系物的测定。
Werner's method was that used previously by organic chemists to elucidate the structures of substituted benzenes, namely isomer counting.
沃纳所用的方法是从前有机化学家用来阐述取代苯结构的方法，即异构体计算法。
Emergent shutdown of the recycle gas compressor is a very typical accident of non-plan shutdown happened in alkyl benzenes combination plant.
循环气体压缩机的紧急停车，是烷基苯联合装置非计划停车中的一个比较典型的事故案例。
The cleaning agent USES water as a solvent instead of toxic solvent such as benzenes, phenol aromatic hydrocarbons and halogenated hydrocarbon.
本发明不含苯类、酚类芳烃，卤代烃等有毒溶剂，以水为溶剂。
The acute toxicities of 17 substituted benzenes to Photobacterium Phosphoreum were measured, and the effects of substituted groups and positions on toxicities were discussed roughly.
首先测定了17种取代苯化合物对发光菌的急性毒性，初步探讨了苯环上不同取代基类型和取代位置对毒性的影响。
The acute toxicities of 17 substituted benzenes to Photobacterium Phosphoreum were measured, and the effects of substituted groups and positions on toxicities were discussed roughly.
首先测定了17种取代苯化合物对发光菌的急性毒性，初步探讨了苯环上不同取代基类型和取代位置对毒性的影响。
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