查询词典 detonation

HU Dong,YUAN Changying,LI Ping,CHENG Xinlu,LIU Jinchao,SUN Zhumei Laboratory of Shock Wave Physics and Detonation Physics Research,Institute of Fluid Physics,CAEP,Mianyang,621900, Institute of High Temperature and High Pressure Physics,Sichuan University

中国工程物理研究院流体物理研究所冲击波物理与爆轰物理国家级重点实验室，绵阳621900 [2]北京科技大学，北京100047 [3]四川大学高温高压物理研究所，成都610065

The re search results resolve the reliability problem of pressure measurement on multicycle detonation.

研究结果解决了多循环爆震波的压力测量问题。

Physical chemistry ; energetic materials ; theoretical study ; derivative of pyrazolo pyrazole ; structure and property ; detonation performance

物理化学；含能材料；理论研究；吡唑基[4； 3-c]吡唑环体系衍生物；结构和性质；爆轰性能

Results show that there is some aromaticity in the ring of pyrazole compounds, also there is some linear relationship between total energy, density and the number of amine groups respectively. Calculated detonation velocities of these compounds are more than 8.0 kms^(-1), which indicate that these compounds are very good potential energetic materials.

结果表明：吡唑环上有一定的芳香性特征；理论计算得到部分化合物的总能量和密度与NH2原子个数都有较好的线性关系；大多数化合物的爆速在8.0 kms^(-1)以上。

For 9 pyrazole compounds, their geometry and electronic structures were analyzed by means of natural bond orbital theory; their reactivity was analyzed by electrostatic potential distributions, heats of formation and Bader density were also calculated. After that, detonation velocities and Chapman-Jouguet pressures of these compounds were given by means of VLW equation.

在最稳定几何构型基础上，基于自然键轨道理论，分析了稳定结构的成键情况和吡唑环上的共轭性；用静电势图分析了吡唑化合物的反应性；理论估算了9种化合物的标准气态生成热和Bader密度；最后采用VLW方程计算了这些化合物的爆速、爆压。

Detonation temperature ; Radialization thermometry ; Channel ; Transient multi-wavelength measurement

爆温；辐射测温；瞬时多光谱测量

The results indicate that there are vortexes, shocks and expansion waves outside the multi-tube PDE. In addition, the results might be referrible to research the characteristics of the flow-field outside multi-tube Pulse Detonation Engine.

计算结果表明，此多管脉冲爆轰发动机黏性外流场中存在旋涡及多道相互作用的激波与膨胀波，该结果对多管脉冲爆轰发动机外流场特性研究具有一定的参考价值。

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。

Nine kinds of compounds from the connecting units and substitutional radicals (-NH_2、-N_3) substituting the tetrazine are designed and analysed their electronic structures, different radicals contribution to heat of formation, velocity and pressure of detonation.

设计了连接桥和取代基(-NH_2、-N_3)与1，2，4，5-四嗪环直接相连得到9种化合物，分析和讨论了它们的电子结构以及不同基团对生成热、爆速和爆压的贡献。

The carbons in explosives are decomposed into gas-like carbon atoms in the detonation reaction zone, then unoxidized carbon atoms coagulate into carbon liquid droplets and finally consolidate into solid diamonds The new mechanism differs from one conclusion that carbons of explosives are at first transformed into solid graphites, then into diamonds, and also differs from the conclusion that gaseous carbons coagulate into liquid droplets in the reaction zone, then crystalize into diamonds in Taylor rarefaction wave zone.

修正了有关炸药中的碳在反应区内先转变为石墨，然后石墨再发生相变生成金刚石的论点以及认为在反应区内气态碳凝聚为碳液滴，液滴在Taylor稀疏波区凝固成金刚石的论点。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。