查询词典 explosion wave

Using spectrum analysis investigate the transport character and primary rule of explosion wave in the medium, simulate the formula of attenuation for explosion wave, which will be used to guide the design of the engineering.

二采用频谱分析方法研究了爆破产生的地震波在介质中传播的特性和基本规律，拟合出了指导工程设计与研究的地震波振速衰减经验公式。

The tanglesome problem,which includes the coupling of detonation of highexplosives,propagation of blast wave and interaction of explosion wave and shellstructures,is resolved by a staged calculation procedure.A numerical simulation tothe elasto-plastic structural response of the double-walled explosion containmentvessels closed with flat head,which has not been reported by other literatures before,was performed.The simulated results are in good agreement with that of theexperiment.The characteristics of the dynamic response of the vessels weresummarized.Some noticeable new phenomena were pointed out.

在数值分析方面，本文对一个包含有装药爆炸、爆炸波传播、爆炸冲击波与结构相互作用的复杂耦合问题，提出了分段解耦的计算方法，并首次完成了带平板封头的双层圆柱形爆炸容器弹塑性结构响应的数值模拟，得出了与实验基本一致的结果，总结了圆柱形爆炸容器弹塑性结构响应的基本特点，并发现了一些值得注意的新现象和新问题。

The result shows that barriers have a great influence on the flame transmission and explosion wave.

对瓦斯爆炸过程中障碍物对火焰和爆炸波的影响进行了试验研究。

Keywords: gas explosion ,flame ,explosion wave

中文关键词：瓦斯爆炸，火焰，爆炸波

The result shows that there are two peak value s, the first one is explosion wave pressure; the second is caused by the hot gas, which is heated by the subsequent flame.

研究结果表明，管内瓦斯爆炸过程中所产生的爆炸波有两个峰值，第一峰值为爆炸波压力，第二峰值压力为火焰到达后加热气体升压所致。

The computational results show that there exists a rupture shock wave and a secondary explosion wave in the external flow field during venting.

计算结果显示在外流场中出现了破膜激波和第二道激波。

With barriers, explosion wave changes greatly and quickly, and a sudden change of explosion wave and the phenomenon of Mach number M≥1 are possibly resulted in, i.e.

原因是障碍物的存在加剧了火焰传播过程中的湍流现象，而湍流又加速了火焰传播。

The sea volcano in the coast neighborhood in Puerto Rico explosion,wave and the sea of motion and variety all is creation time the reason of the voice.

波多黎各海岸附近的海底火山爆发、海浪和海温的波动与变化都是产生次声的原因。

According to the appearance that the gas in soil can effect the propagate of stress wave, and combine with some test conclusions in three—phase saturated soil under explosion wave, theory of mixture is applied in this paper and the dynamic analysis model and constitutive relation are built.

根据土中气体的存在对应力波的传播有显著影响的现象，以三相饱和土为研究对象，结合三相饱和土在爆炸载荷作用下的有关试验结论，以混合物理论为基础建立动力分析模型和本构关系，在此基础上得到用于三相饱和土的有限元方程，计算结果揭示了动力固结法的若干特点。

Explosion ; wave spectrum difference ; Lanzhou of China

爆破；波谱差异；中国兰州

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。