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。
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。
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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