Introducing a new high technology,the technology uses photoelectricity detector bar and glass micro-dew literal direction reflection piece and digital memory to realize the displacement-time curve and the speed-time curve when the missile is moving in the launcher.
介绍了一种利用光电探测器、玻璃微珠原向反射片和数字存储器等高新技术,实现了导弹在发射筒中运动的位移-时间曲线和速度-时间曲线,并由此获得导弹的弹动时刻、离轨时刻和出筒时刻;阐述了功能结构和基于VC平台下的软硬件的实现过程,实验结果表明,该测量系统运行稳定可靠,测量精度高,解决了在大冲力、强温环境下的数据录取工作,对确保导弹轨上参数的有效录取起到了至关重要的作用。
Study on production process of fragment in SiH_4 plasma induced by TEA CO 2 laser;
激光诱导SiH_4等离子体反应碎片的产生机制
This thesis gives a brief account on the effort and the achievement of anti-opium made by the Protestant missionaries who visited China during the end of Qing Dynasty and the beginning of the Republic of China.
本文主要就清末民初新教来华传教士在华传教期间为反鸦片所做的努力和所取得的成绩作一个简要的论述。