By using the inductive effect index I as a characteristic bond-parameter, a formula is given describing the relation between the structure of N-nitrosamines and its acute toxicity.
亚硝胺类化合物的结构与毒性之间存在着一定的相互关系。用诱导效应指数I作为结构的特征键参数可以得到烷基亚硝安的结构与毒性的定量关系。
The digital imitation and research are carried on for the dynamic characteristic of hydraulic motor CM14 by using both power bond graph method and transfer function analysis method.
本文用功率键合图和传递函数分析法，对CM 14型液压马达的动态特性进行了数字仿真和分析。
Outstanding characteristic is impact resistance value because of the little crystal size, particle almost is spherical since the mill processing, the surface is dry and clean, and easy to bond.
突出的特点是晶体尺寸小耐冲击，因用自磨机加工破碎，颗粒多为球状颗粒，表面干洁，易于结合剂结合。
Multiplayer shells assembly have characteristic, which are high dimension precision, strict form and position tolerance, difficult bond technology and etc.
多层壳体组件具有尺寸精度高、形位公差要求严、粘接难度大等特点。
A new type shaped tool is introduced which machines bond of copper, and machining problem about high precision and difference grinding characteristic are resolved.
介绍了加工铜键的一种新型成形刀具，解决了精度要求高耐磨性差的加工难题。
A new type shaped tool is introduced which machines bond of copper, and machining problem about high precision and difference grinding characteristic are resolved.
介绍了加工铜键的一种新型成形刀具，解决了精度要求高耐磨性差的加工难题。
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