This paper presents a fracture mechanics model of smooth blasting and pre-split blasting, analyzes the function of stress waves and quasi-static pressure of explosion in blasting process.
本文提出了光面爆破和预裂爆破的断裂力学模型，分析了应力波、爆生气体准静态压力在爆破破裂过程中的作用。
The meltwater from the glacier on top of the volcano ran down into the crater, chilling the magma and then the pressure from underneath caused an explosion.
火山顶部的冰川融水流进了火山口，冷却了岩浆，随后来自底部的压力造成了爆炸。
And the maximum explosion pressure and maximum rate of pressure rise vary approximately linearly with the concentration.
最大爆炸压力和最大压力上升速率随粉尘浓度的增加而线性增加。
According to the shock theory, the ejecta produced by explosion form the pressure pulse, and it spreads in forms of either compression waves or expansion waves.
根据激波理论，爆炸产生压力脉冲并以压力波的形式传播，既有压缩波也有膨胀波。
Some characteristic parameters, the maximum explosion pressure and maximum rate of pressure rise etc, can be tested by using this experiment system.
利用该装置可以测量最大爆炸压力和最大压力上升速率等粉尘爆炸特性参数。
Sensitive materials under low stress will suffer breakage which brings about large risk explosion of pressure bearing pipe and equipment is easily to be triggered causing major accident.
对于敏感性材料，在低应力水平下也会发生断裂，危险性很大，容易引发承压管道和设备的爆破，造成重大事故。
The violent effect of such an explosion, consisting of a wave of increased atmospheric pressure followed immediately by a wave of decreased pressure.
震动爆炸引起的强烈效果，包括一股被升高的气压，紧接一股低气压。
Some characteristic parameters, the maximum explosion pressure, maximum rate of pressure rise and explosion time etc, can be tested exactly by using this experiment system.
根据标准设计了一套哈特曼粉尘爆炸实验装置系统，实现了对最大爆炸压力、最大压力上升速率和爆炸时间等粉尘爆炸特性参数的实验研究。
For explosion process of gas cloud in closed vessels, flow field parameters, such as pressure, velocity, density, temperature, concentration and so on, vary with time and space.
对于球形密闭容器内气云的爆炸过程，压力、速度、密度、温度、浓度等流场参数均随时间、空间而发生变化。
Vessel burst pressure is the mean between maximum event (explosion) pressure and the yield stress of the vessel.
容器爆破压力是容器屈服应力和最大事件(爆炸)压力之间的平均数。
The relations between the maximum explosion pressure, the maximum quantity of draw-off heat and coal dust concentration, methane concentration were calculated.
分别推导出粉尘爆炸放热量和最大爆炸压力与煤尘浓度、甲烷浓度等影响因素的关系。
The article focused on analyzing the explosion pressure at the different position of initiation point when the charge blasted on the exterior of target under contact demolition.
文章着重分析装药在目标外部接触爆破时，不同的起爆点位置产生的爆炸压力情况。
By doing a simple underwater explosion experiment, we can gain pressure - time curve and parameters of the shock wave and com - pare them with values in theory.
再通过简易的水下爆炸试验，得到了冲击波的压力-时间历史曲线及其参数并与理论值作了比较。
Envisaging the deficiencies of traditional impactors, a new mechatronic nitrogen explosion impactor based on pressure feedback is presented.
针对传统冲击器的缺点，介绍一种新型的基于压力反馈的机电一体化氮爆式冲击器。
In this paper some problems, which exist in the peak pressure measurements under impulsive loading of explosion by the gun copper ingot, are discussed and an improved method is presented.
本文对目前用的炮用铜柱测量爆炸后脉冲载荷峰值压力方法中所存在的问题进行了论述，并提出了革新方法。
Based on the energy conversation equation of chemical engineering thermodynamics, two computation methods of explosion temperature and pressure of gas explosion in vessels were built.
根据化工热力学能量守恒方程，推导出了两种容器内可燃气体爆炸温度和压力的计算方法。
Some characteristic parameters, under different initial pressures, the maximum explosion pressure and maximum rate of pressure rise ect, can be tested by using the experiment system.
利用该装置可以测量不同初始压力下的最大爆炸压力和最大压力上升速率等粉尘爆炸特性参数。
Boiler is a special pressure equipment which may lead to explosion and also discharges a large amount of smoke, dust and harmful gases.
锅炉是有爆炸危险的特种承压设备，又是耗能与排放烟尘及有害气体的大户。
The calculation results show that both the velocity and pressure in gas explosion process experience the stages of "rise - fall - second wave - fall - swing".
计算结果表明，矿井瓦斯气体爆炸过程中速度和压力值均会经历上升-下降-二次波峰-下降-震荡的过程。
The disaster may be caused by unstable combustion pressure peak of sound vibration. Suggestions on how to reduce the explosion hazard in kitchen have been given.
指出可能是发生了声振不稳定燃烧压力峰造成的，并相应给出减小厨房天然气爆炸危害度的几点建议。
A vapor explosion simulating experiment is designed to investigate the violent variation of pressure after a crack is suddenly opened in a LPG vessel.
本文设计了一个实验装置用以检测液化石油气容器在突然出现裂口后压力急剧变化的过程。
The maximum explosion pressure and the maximum pressure rising rate reach their extreme values when about 1.1 times of chemical measured concentration of the fuel components.
最大压力及其上升速率在燃料组分化学计量浓度的1.1倍左右达到最大值。
An explosion accident of oxygen pipe at low temperature due to excess operating pressure is introduced. Based on cause analysis of the accident, corresponding precaution measures are presented.
介绍一起氧气管道低温态超压爆破事故，分析了原因，并提出防范措施。
This article analyzes the causes and damages of the accident on high temperature and pressure boiler furnace explosion in detail.
炉膛爆炸是电厂及自备电站高温高压锅炉运行中一种危害及其严重的事故。
The feature of explosion signals in elastic-plastic region of rocks is in the state of high pressure, of high speed, and of transient action on the particle motion.
岩石介质中爆炸波的特点是压力高、传播速度快，对介质质点的作用在瞬间完成。
Safe: negative pressure combustion, not against fire, without the danger of explosion, and water, electricity, auto alarm, using PC control.
安全性高：负压燃烧、不逆火、无爆炸之虞，且断水、断电、自动报警，采用PC控制。
The calculation model of peak pressure was obtained and the diffraction and transmission effects of explosion shock wave on concrete frustum in shallow water were analyzed.
获得了迎爆面中心反射压力峰值计算模型；分析了两个装药浅层水中爆炸冲击波对混凝土墩绕射及透射作用效应。
The results showed that the existence of the obstacles would highly increase the gas flame transmission velocity, the max explosion pressure and the pressure rising rate.
结果表明：障碍物的存在极大的提高了瓦斯的火焰传播速度、最大爆炸压力及压力上升速率；
Experimental results indicated that direct measurement of explosion pressure on the wall of a borehole by manganese-copper sensor is feasible.
试验结果表明，用锰铜压阻传感器测试炮孔孔壁压力是可行的。
Experimental results indicated that direct measurement of explosion pressure on the wall of a borehole by manganese-copper sensor is feasible.
试验结果表明，用锰铜压阻传感器测试炮孔孔壁压力是可行的。
应用推荐