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- At present, the methods of static calibrating change quantity of cannon barrel ballistic performance, at home and abroad, have their defects. 目前国内外静态标定火炮身管内弹道性能改变量的方法,都存在着原理和精度不高的缺陷。
- This paper introduces the structural design,composition selection for G01 electric igniter and the effect of charge process on ballistic performance. 介绍了G01电点火具的结构设计、始发药、中间药和输出药的选择以及装药工艺对弹道性能的影响。
- The ballistic performance has been improved to reach the index demand by the adjustments of 7A52 Al alloy composition and heat treatment. 通过对7A52铝合金成分与热处理工艺设计调整,提高了抗弹性能,达到了防弹衣指标要求,并投入了小批量生产,现已装备应
- The bullet-proof clothes, made of 7A52 Al alloy plates and bullet-proof nylon, can not meet the requirement of type 54 pistol lead core bullet ballistic performance. 由于采用7A52铝合金装甲板与进口防弹尼龙制成的防弹衣不能满足54式手枪铅芯弹抗弹性能指标要求,对7A52铝合金进行了研究。
- A 25mm bore Hypervelocity Launcher is theoretically investigated in this paper by using inner ballistic equations studying the effects of dimensions and charging parameters on its ballistic performance. 研究了二级轻气炮的内膛结构尺寸及装填参数对弹道性能的影响,确定了25mm口径超高速发射器的最佳气动结构尺寸;
- During the course of developing and using high ballistic performance artillery with high exit velocity, high chamber pressure and high loading density, there were many accidents of breech blow. 在高初速、高膛压和高装填密度为特征的高弹道性能火炮的研制与使用过程中,曾经出现过多次膛炸事故。
- The amount of igniter charge must be strictly controlled so that the satisfactory internal ballistic performances can be obtained. 必须严格控制点火药量,特别是引燃药剂的量,才能获得较为满意的内弹道性能。
- propellant ballistic performance test 发射药弹道性能测试
- synthetical terminal ballistic performance 防护性能
- The interior ballistic performances of this system were calculated to obtain the pressure in pressure chambers, the velocity and acceleration of submunitions using a simulation method. 利用数值计算方法计算该抛撒机构的内弹道性能,得到燃气压力、子弹速度和子弹加速度等性能曲线。
- Evaluation of Cannon Barrel Lofe and Interior Ballistic Performance 火炮身管寿命评定与内弹道性能
- Finally, the technical measures to realize the consistency of interior ballistics performance were discussed. 探讨了对于特定的装药结构如何达到弹道性能一致性的技术途径。
- Variation of Internal Ballistic Performance of SRM in Storage Condition 贮存老化条件下固体火箭发动机内弹道性能变化
- The performance truly exalted the audience. 演出确使观众情绪高昂。
- Erosion and Abrasion of a Cannon Barrel to Interior Ballistic Performance 某加农炮身管内膛烧蚀磨损对内弹道性能的影响
- I didn't think her performance was up to par. 我认为她表现得不及平时。
- We need a yardstick to measure our performance by. 我们的表现需要一个检验的标准。
- Live performance is the best! I am still keyed up. 现场演出是最棒的!我仍兴奋不已。
- People would not dig down for such a performance. 人们不愿意为这样的演出掏腰包。
- We like to see the performance of dolphins. 我们喜欢看海豚的表演。