The aim of this study was to determine contributions of fiberlayer with different thickness between front ceramic and back aluminum plate to ballistic performance of ceramic composite target impacted by 12.
7mm穿燃弹对几种不同厚度玻纤布配置的陶瓷复合靶板进行垂直侵彻试验,以研究陶瓷复合靶板面基板间纤维层厚度对靶板抗枪弹性能的影响。
Classical membrane vibration theory had been studied abundantly The author found that applying the membrane vibration theory for thin fiber layers to study it′s sound absorption properties getting satisfied results.
作者在研究中发现,将膜振动理论的某些结论与毛细管吸声理论结合后,建立的薄纤维层(如织物、无纺布等)吸声理论方程不仅与实验结果吻合较好,而且可以较好的解释薄纤维层在作为护面材料或紧贴墙壁时吸声系数等于或接近于零,而作为窗帘或背后有空腔时却具有较好的吸声效果的这一长期未能解释的声学现象。
Kenaf phloem bundle fiber layers were separated with a acidified sodium chlorite treatment with an additional ammonium oxalate treatment.
采用亚氯酸钠冰醋酸和草酸铵处理,将不同部位的红麻韧皮部束纤维进行分层,并-测定各束纤维层的纤维细胞长度,探讨红麻韧皮部纤维细胞长度的分布规律。
Assessment of the relationship of retinal nerve fiber layer thickness and optic nerve head size with optical coherence tomography;
OCT检测视网膜神经纤维层厚度与视盘大小的相关性研究
Application of optical coherence tomography in detection of retinal nerve fiber layer;
光学相干断层扫描在视网膜神经纤维层检测中的应用
Effect of negative pressure suction on rabbit retinal nerve fiber layer thickness;
负压吸引对兔视神经纤维层厚度的影响