Submicroscopic structure of polypropylene containing GL orange and carbon black has a mixture characteristic structure of spher(?)
聚丙烯中添加炭黑与GL橙后,便成为球晶结构与棒状结构的混合体;
The second order Polarization mode dispersion of single mode fiber of 75 km is measured with Poincare spher é method, the statistical characteristics and influence of the components of the second order polarization mode dispersion ( SOPMD) is analyzed.
用庞加莱球法测量单模光纤中的二阶偏振模色散,并对二阶偏振模色散的各个分量的统计特性及其影响进行了分析。对75km的G。
theoretical revision on expression of pressure angle of spher-ical surfaced cam mechanism with oscillating roller follower rod
关于滚子摆动从动杆球面凸轮机构压力角表达式的理论修正
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