OFHC Cu and pure Cu incipient spalled under～105s-1strain rates electric gun driven twostage flyer impacts loading. The microvoids number density and porosity of recovery sampleswere statistically analyzed.
本文开展105s-1应变率电炮驱动二级飞片冲击加载下无氧铜和工业纯铜初始层裂软回收实验，对回收样品进行金相分析，统计微孔洞数密度、孔隙度分布。
参考来源 - 电炮驱动金属飞片加载下韧性金属层裂研究According to experiment data, analysis of function relation between aerosol number density and visibility, provides a kind of method for engineer calculation of laser atmosphere transmission simply and exactly.
根据实验数据分析了绥中地区气溶胶粒子数密度与能见度之间的函数关系,为激光大气传输特性的工程计算提供了一种简洁、精确计算的方法。
参考来源 - 气溶胶粒子特性对激光衰减系数的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
The electron number density does not strictly obey exponential damping law in a long period.
电子数密度在很长的一段时间内不遵循指数衰减规律。
Finally, the influence of shear rate and the number density and aspect ratio of the fibers are discussed.
最后讨论了纤维的浓度和长径比等因素对悬浮流微观和宏观性质的影响。
The number density is obtained by transforming the aerosol quality density which is gained directly from Andersen stage sampler.
本文采用安德森分级采样直接获得的大气气溶胶质量密度换算成数密度。
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