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1.An ideal mathematical model is set up by mathematical analyses based on experiments.The model deals with the relation of the bubble diameter of foam glass to the grain size of the foaming agent and the foaming temperature.The model is a great help to the design of new type foam glasses.
在实验的基础上应用数学分析方法,建立了较理想的泡沫玻璃的泡径和发泡剂粒径及发泡温度间的函数关系,对设计泡沫玻璃新品种有一定参考价值。收藏指正
2.Methods Based on the theory of hydrodynamics and ammunition, to analyze the influence of the bullet diameter, form, construction, terminal velocity and mass on the tested effects. Results The test results have proved that the small bore bullet possesses the ideal wounding effect. Conclusion Small bore(5 ̄6 mm), higher muzzle velocity (900 ̄1 000 m/s) and small mass (3 ̄4 g) for bullet are the developing direction.
目的研究弹头终点效应对创伤的影响.方法根据流体力学和弹药学理论,分析弹头的直径、外形、结构、质量和终点速度对创伤试验结果的影响.结果试验结果证实,小口径弹头具有更好的创伤效应.结论小口径(5~6mm),较高初速(900~1000m/s)和小质量(3~4g)的弹头是当今的发展方向.收藏指正
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