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  explosion
    DAMAGE EFFECT IN ROCK BY STRAIN WAVES AND CRACK PROPAGATION BY EXPLOSION
    应变波对岩体的损伤作用和生裂纹传播
短句来源
    Experimental Investigations of Pressure Development During Explosion Vent from Cylindrical Vessels
    柱形容器开口泄过程中压力发展特性的实验研究
短句来源
    Experimental research on explosion suppression by inert particles
    惰性粉尘抑过程的实验研究
短句来源
    Experimental Study on the Explosion Suppression with Passive Water Sprays in Large-scale Duct
    大型通道中被动式水雾抑效果的实验研究
短句来源
    Experimental study of explosion suppression by active water sprays in large-scale duct
    大型通道中主动式水雾抑现象的实验研究
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  detonation
    Research of the Detonation Temperature and the Internal Structure of Reaction Zone of High Explosives
    高能炸药温及反应区结构研究
短句来源
    All the calculated results show that: the code LS3D can be used for calculatingthe detonation wave propagation in different explosive initiated by different way. Itcan deal with different shape, multi-medium explosive.
    本文计算结果表明,计算编码LS3D可以对不同起方式下不同形状炸药中三维轰波的传播进行较准确的计算,适于处理不同形状、多介质的炸药装置中三维更波传播的匕方法研究轰传播问题,是工程计算的一种有力工具。
短句来源
    The detonation velocity of the MDF is D J=(6.95±0.06) km/s.
    测得这种柔速为DJ=( 6.95± 0 0 6)km/s。
短句来源
    The lean detonation limits for propylene epoxide spray in air, for hexa ne spray in air and for decane spray in air are determined respectively to be 0.47(4.23% fuel by mass); 0.75(5.29% fuel by mass); 0.89(5.8% fuel by mass).
    三种混合物的可下限当量比分别为0.47(质量浓度4.23%)、0.75(质量浓度5.29%)及0.89(质量浓度5.8%)。
短句来源
    The improved WCA equation and Ross's variatio nal perturbation theory are used for the equation of state of detonation products, a nd the detonation properties of H_ 32.685 N_ 16.8430 O_ 3.0 and H_ 8.15 4 N_ 4.5770 O_ 3.0 explosives have been calculated. The calculated detonation velocity, pressure and temperature at CJ point are in good agreement with experimental data.
    以Ree修正的WCA状态方程并考虑Ross软球修正的硬球微扰理论作为轰气相产物的物态方程,用自编的程序对H32·685N16·8430O3·0和H8·154N4·5770O3·0炸药轰参数作了预言,轰CJ点的速、压和温的计算结果与实验值吻合得很好。
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  “爆”译为未确定词的双语例句
    Venting of Maize Dust Deflagrations in a 94. 4 m ̄3Experimental Silo for Low-Strength Enclosures
    94.4m~3试验筒仓中玉米粉尘低强度泄
短句来源
    Experimental Study and Analysis on the Punching Failure of Reinforced Concrete Slab-Column Connection under Chemical Burst Loading
    化作用下钢筋混凝土板柱节点冲切破坏的试验研究及分析
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    Determination and application of the maximum load of blast bearing capacity for a beam structure
    梁式结构承极限荷载的确定及应用
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    Experiments and Numerical Simulation of Inert Gas Vent
    惰性气体泄实验与数值模拟
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    Study on the Pressure of Chemical Shock Waves upon the Protective Door in Long Tunnels
    长坑道中防护门上的化冲击波压力研究
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  explosion
Non-divergence form operators and variations on Yau's explosion criterion
      
To avoid the problem of schemes combination explosion caused by unbounded depth in the search process, bounded depth-first search was used to control the number of expanded hierarchies for a design tree.
      
The Meishucun stage is the prelude in deciphering the Cambrian Explosion.
      
These new materials provide new evidence for the origin, evolution and the functional evolution of the metazoan during the early stage of the Cambrian Explosion.
      
Numerical analysis of welded joint treated by explosion shock waves
      
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  detonation
An evaluation formula of the detonation wave pressure in the system of laser, energy transferring-medium and sheet metal is built according to the theory of detonation wave and blasting gas-dynamics.
      
multicycle pulse detonation engine (PDE) model, and liquid fuel (gasoline) was used.
      
The average of pressure peak, as measured by piezoelectricity pressure transducer, increased versus distance to thrust wall before fully-developed detonation came into being.
      
According to the pressure history, the pressure in detonation tube would not rise abruptly until the flame front advanced a certain distance downstream the spark.
      
One was enforced by combustion and became detonation rapidly.
      
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This paper presents derivations of the equations which can be used to construct the stress-strain-strainorate relations of materials by strain profiles. On the basis of these equations,a method of assessment of the strain rate independent materials is proposed. The errors of the physical quantities, such as stress, particle velocity etc.,derived from strain are discussed. An example of application of this method is illustrated and it shows that at low pressure, the dynamic properties of the limestone can be...

This paper presents derivations of the equations which can be used to construct the stress-strain-strainorate relations of materials by strain profiles. On the basis of these equations,a method of assessment of the strain rate independent materials is proposed. The errors of the physical quantities, such as stress, particle velocity etc.,derived from strain are discussed. An example of application of this method is illustrated and it shows that at low pressure, the dynamic properties of the limestone can be approximated by linear hysteresis model . It is also shown that the ratio of the attenuation of peak stress not only depends on the properties of materials but also on the shape of the stress wave.

这篇文章导出了从应变波形计算材料的应力、应变和应变率关系的方程式。利用这些方程,本文建议了一个鉴别应变率无关材料的方法,指出了仅从测应变波形来得到其它物理量的基本步骤及算得的物理量可能具有的误差。作为应用的例子,我们得到了石灰岩在低压区的应力应变关系。 本上还指出,应力峰值的衰减指数不仅依赖于材料性质,也依赖于加载波形。因而不能用化来模拟核炸时的应力峰值衰减。

An analytical solution is obtained for the diffraction of strong detonation waves by a stationary two-dimensional thin airfoil. It is a generalization of the provious solution of Ting and Ludloff for the shock diffraction. As an example, the isobars are plotted for strong detonation waves passing over a wedge surface.

本文研究平面强震波对静止的零攻角二维对称薄翼的绕射问题,并求得解析解。这个解是以前激波绕射问题Ting和Ludloff解在强震波情况的推广。作为例子,文中计算了强震波绕薄楔时的等压线。

Mtion of the flyer plate under glancing detonation is a two dimensional unsteady problem. Its analytical solution has not been found so far. In this paper, the end effect of the initiation is neglected, so this problem c.an be reduced to a steady problem. According to the theory of"Prandtl-Meyer"flow and Lighthill's "Piston Theory",a two dimensional approxmate solution is given. The calculated results of bending angle and the configuration of the flyer plate are in accord well with those shown in flash X-ray...

Mtion of the flyer plate under glancing detonation is a two dimensional unsteady problem. Its analytical solution has not been found so far. In this paper, the end effect of the initiation is neglected, so this problem c.an be reduced to a steady problem. According to the theory of"Prandtl-Meyer"flow and Lighthill's "Piston Theory",a two dimensional approxmate solution is given. The calculated results of bending angle and the configuration of the flyer plate are in accord well with those shown in flash X-ray photographs. The error of the angle is generaly less than 2 degree.

滑移轰作用下全属复板运动过程是一个二维不定常问题,迄今还没有个严格的解析解。本文在忽略引端部影响的定常假设下,根据Prandtl-Meyer的绕流理论和Lighthill的“活塞理论”给出了二维近似解析解。将不同质量比和不同速条件下的计算结果同闪光X光照片比较,通常,角度误差为1°~2°。

 
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