爆

Slight fragmentation of dropl ets before ignition,part and full fragmentations of droplets during burning peri o d,were observed under different pressure and temperature,and characteristic phot ographs of droplet microexplosion s were given.

观察到液滴在不同环境压力和温度下的 3种微爆模式，即液滴在着火前的轻度破碎、液滴在燃烧时的部分破碎和全部爆碎，并给出了微爆过程的特征照片，定量测试了液滴微爆延迟期、微爆温度和微爆直径与环境压力、温度的关系。

Three modes of microexplosions,i.e.,slight fragmentation of dropl ets before ignition,part and full fragmentations of droplets during burning peri o d,were observed under different pressure and temperature,and characteristic phot ographs of droplet microexplosions were given.Microexplosion delay time,temperat ure and diameter of droplets were also measured quantitatively.

观察到液滴在不同环境压力和温度下的3种微爆模式，即液滴在着火前的轻度破碎、液滴在燃烧时的部分破碎和全部爆碎，并给出了微爆过程的特征照片，定量测试了液滴微爆延迟期、微爆温度和微爆直径与环境压力、温度的关系。

A chemical reaction mechanism model has been established to simulate the combustion process in the cylinder of dual fuel engine. The pilot fuel model has been given to calculate the distribution of the liquid fuel and time of fuel pre-combustion, at the same time, analyzing the important action to the combustion of the natural gas in the combustion chamber of engine, determining the best quantity of pilot fuel.

理论方面，提出了基于化学反应的燃烧模型—多组分气相反应系统的化学反应动力学模型，以此进行双燃料发动机的热力学—化学反应动力计算；引燃油燃烧模型，计算引燃油液滴的分布规律和滞燃期，验证引燃油在双燃料发动机燃烧过程中的作用，揭示不同喷油规律对双燃料发动机的影响，确定在不同负荷下的合理引燃油量；爆震模型，揭示爆震与工质能量释放间的关系和影响爆震的各种运转因素，确定合理的爆震依据，减小爆震倾向。

The paper presents the technical status mine explosion-proof electrical apparatus of mine flame-proof type vacuum feed switch,mine flame-proof type with intrinsically safe vacuum electromagnetic stater,mine flame-proof type high voltage vacuum distribution device and mine flame-proof type movable transfermer substation,And it analyzes from parameters,electrical system and the structure.

简要介绍了矿用隔爆型真空馈电开关、矿用隔爆兼本质安全型真空电磁起动器、矿用隔爆型高压真空配电装置、矿用隔爆型移动变电站等主要煤矿防爆电器的技术现状，并从参数、电气系统及结构等方面进行了初步的分析。

On the basis of classic single event FAE (Fuel-Air Explosive), theoretical analysis and computation to detonation velocity of single event FAE are carried out according to thermochemistry theory and detonation theory of explosive.

以典型一次引爆型云爆剂为基础，根据炸药的热化学理论和爆轰理论，对一次引爆型云爆剂的爆速进行了理论分析和计算，并研究了组分配比及配方对爆速的影响。

Using titanyl sulfate as the TiO_2 source,the experiments for synthesizing TiO_2 nanoparticles were carried out by detonating the mixed explosives composed of the TiO_2 precursor,ammonium nitrate(NH_4NO_3)and cyclortrimethylenetrinitramine,the structures and properties of the as-prepared TiO_2 nanoparticles were also characterized, meanwhile in combination with detonation theory and experimental measurement,detonation parameters,such as detonation heat,detonation temperature were calculated,and detonation velocity was also measured.

以硫酸氧钛为钛源，引爆由氧化钛前驱体、硝酸铵和黑索金组成的混合炸药，进行爆轰合成氧化钛纳米粉的实验研究，对纳米氧化钛的结构和性质进行表征；结合爆轰理论计算和实验测量得到爆热、爆温和爆速等爆轰参数。

Numerical results indicate that in some cases detonation wave may quench when detonation wave front diffracts at the entrance of expanding chamber due to the extreme declination of temperature and pressure.

结果表明，爆轰波传播至突变截面扩张管道时，由于稀疏波的作用可能会使爆轰波局部熄爆甚至完全熄爆，对于某些敏感度高的反应气体爆轰波可以二次起爆。

It shows that the network, affected by stream of water, superposes each other leading to the jet of detonator energy cavity and metal fragments which can break the nonel-tube without transmitting detonation yet, so as to make the detonation transmission in some local network break off and bring about misfire.

结果表明，受紊乱水流影响，导爆管网络相互叠加，比较凌乱，致使传爆雷管产生的聚能射流和碎片容易将尚未传爆的导爆管切断或打破，而使局部网路爆轰传递中断，造成拒爆现象的发生。

Fresh bellies of cows or sheep are cleaned and cut into strips , boiled in water at 100, then it can be taken after being seasoned 调味 with oil, sesame paste, vinegar, pepeer oil, chopped caraway 香菜 and shallot , it is rare and crisp质地鲜嫩,口味香脆."Tripe Shi","Tripe Yang""Tripe Feng" and "Tripe Man" are famous restaurants that serve this snack.

爆肚是把鲜牛肚或鲜羊肚洗净整理后，切成条块状，用沸水爆熟，蘸油、芝麻酱、醋、辣椒油、酱豆腐汤、香菜末、葱花等拌制的调料吃，质地鲜嫩，口味香脆，北京天桥有&爆肚石&，门框胡同有&爆肚杨&，还有&爆肚冯&、&爆肚满&等最为著名。

Regarding to model 1, firstly analyzes and studies principle as well as formation of detonation wave, the internal flow field structure of the detonation chamber. Then study the flow field structure near the outdoor of the detonation chamber, backflow process of the dilatation wave after detonation wave reach the outdoor and the change of thrust wall pressure and so on.

对于模型1，首先分析研究爆震波在爆震室内形成传播机理和爆震室的内流场结构，然后研究爆震波传出爆震管以后爆震管出口处的流场结构，膨胀波的回传过程以及推力壁压力随时间的变化等。

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