以2-氰基-4-硝基苯胺为原料，用直接卤化法研制成2-氰基-4-硝基-6-氯苯胺、2-氰基-4-硝基-6-溴苯胺、和2-氰基-4-硝基-6-碘苯胺。
With 2-cyano-4-nitro-aniline as raw material, 2-cyano-4-nitro-6-halogen- anilines have been prepared by direct halogenation.
采用热挤压法成型制备出卤化银多晶光纤。
The silver halide fibers were made by means of hot extrusion.
运用HMO法对卤化苯及其硝基衍生物的电子结构进行系统的校正计算和研究。
The electronic structure of the halogenobenzene and theirnitroderivatives has been systematically calculated and studied by HMO method.
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