爆

This paper establishes two PDE models on the base of analyzing radical principle of detonation wave, formation characteristics and propagation mechanism as well as performance of detonation wave, and working principle and cycle of pulse detonation engine. Then give a 2D axisymmetrical numerical simulation of internal flow field of the detonation chamber.

本文在分析爆震波的基本理论、爆震波的形成特点、传播机理及其特性和脉冲爆震发动机的工作原理的基础上，建立了两个PDE模型，并用FLUENT对其爆震室内流场进行了二维轴对称数值模拟。

This paper introduces briefly the demands on and usages of the flameproof enclosure , probes into the methods for re-manufacturing the flameproof enclosure by using the ropey flameproof enclosure as the blank, and analyzes on the benefits of the technique of re-manufacturing the flameproof enclosure .

介绍了隔爆设备的要求和用途，对以废旧隔爆外壳为毛坯再制造隔爆外壳的方法进行了探讨，分析了再制造隔爆外壳工艺的效益。

With 100 series of more than 500specifications.All the productsare in compliance with relative national standards,with adcantages of compact design,elegant appearance,convenient maintenance and complete functions,the products are widely usde in petroleum,petrochemical,chemical industry,coaling,power distribution,hospital,aciation,military fields,sold in great deal throughout China,an the company has established friendly cooperation relationship with some large-scale enterprise such as Daqing,Shengli and Jinghan Oilfield as wellas Dushanzi Petrochemical Corp.,meanwhil,the products are far sold to Central Asia,East Asia and North America and won favorable comments from users.

公司装备精良，主要生产设备、检测设备居于国内同行业先进水平，专业生产厂用防爆电器、防爆灯具、防爆管件、防爆风机等五大类100多个系列500多个规格的产品，所有产品均严格按照国家相关标准设计和制造，并以设计轻巧、造型美观、检修方便、配套功能齐全为特点，广泛应用于石油、石化、化工、煤炭、电力、医药、航天、军工等行业，产品畅销全国，且与大庆、胜利、江汉油田和独山子石化等大型企业建立了良好的合作关系，同事还远销中、东亚和北美等地区，深受用户好评。

Analyses the features and the problems of the explosion door of the air shaft and improves the structural steel ring and the balance weight of door.

分析了煤矿风井防爆门存在的漏风、密封液选择、使用比较困难和开闭不便等问题及其原因，并针对这些问题对防爆门的型钢圈和平衡重锤进行了改进设计，实践证明，改造后的新型防爆门性能明显优于改造前，提高了煤矿风井防爆门的安全可靠性，具有一定的推广价值。

The experimental results show that, for modified ANFO with the different conditions of priming, which were: detonator/160g booster charge, detonator/160g booster charge/PMMA spacer and only detonator itself, the stationary detonation velocities are 4569, 4496,4559m/s, respectively, and the run distance to detonation under such ignition conditions are 3.5, 7.3 and 20cm, respectively, the corresponding time of detonation development are 0.01, 0.025 and 0.06ms.

在起爆条件分别为雷管/160g起爆药柱、雷管/160g起爆药柱/有机玻璃隔板和仅采用雷管时，改性铵油炸药在稳定爆轰阶段的稳定爆速分别为4569m/s、4496m/s、4559m/s，爆轰成长距离分别为3.5、7.3和20cm，爆轰成长时间分别为0.01、0.025和0.06ms。

Combining practice at Nanfen Open Pit and applying statistical analysis,the paper introduces the measuring,analyzing and calculating of reliability of three types of detonating points between detonating cord and nonel tube .

结合南芬露天矿的实际，运用统计分析的方法，对导爆索与导爆管3种类型的传爆结点可靠性进行抽样测试、分析与计算，初步确定了其3种类型传爆结点的可靠性指标，并对其可靠性进行了评价。

In order to develop new types of explosion relieve valves,a new experimental plant for explosion relief valve of diesel engine was developed,which was controlled by data acquisition system.Its functions,operation principles and facilities are introduced,with the focus on operation control system and data acquisition and analysis system.

阐述为研制新型柴油机防爆阀，开展防爆阀防爆功能试验研究，开发的一套由计算机数据采集系统控制的防爆阀爆炸试验装置，论述试验装置的功能、原理和设备，重点介绍装置运行控制系统和数据采集分析系统。

In order to develop new types of explosion relieve valve s,a new experimental plant for explosion relief valve of diesel engine was developed,which was controlled by data acquisition system.

阐述为研制新型柴油机防爆阀，开展防爆阀防爆功能试验研究，开发的一套由计算机数据采集系统控制的防爆阀爆炸试验装置，论述试验装置的功能、原理和设备，重点介绍装置运行控制系统和数据采集分析系统。

From the consistency of steam explosion pretreatment and feed production by SSF of treated maize stalk, steam explosion was used to treat maize stalk and produce the substrate for fermentation.

首先从汽爆预处理与汽爆秸秆固态发酵生产饲料的统一性考虑，系统探讨了汽爆压力和时间、秸秆含水量和添加氮源对汽爆秸秆化学组成及微生物发酵的影响。

What's more,the author summarizes the different seal structures and the position set in different flameproof joints,such as,the spigot joint,plane joint.

提出了防爆电气设备的防护结构及某些具有特殊结构的防爆电气设备所采取的防护型式，分析了衬垫密封时存在的两种问题和注意事项，并对采用止口隔爆接合面、平面隔爆接合面时密封结构的设置位置进行了总结。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了