事故预防

Through analyzing the s tressed state of each part of the drill string in borehole,the four main charact eristics and basic reasons of the drill string failure that often occurs and is of general character are analyzed and the feasible,scientific and effective meas ures for preventing these common drill string failure accidents are emphatically proposed in this paper.

文章从分析钻具在使用过程中的受力情况出发，根据钻柱各部位在井内的受力情况，剖析了四种经常发生的、带共性的钻柱失效的主要特征及根本原因，重点提出了比较可行的、科学的预防这几种常发性钻具失效事故的有效措施和看法。

It has became a urgent question that how to enhance safety management in ro-ro passenger ships, and preventing or decreaseing safety misadventures, to ensure the ro-ro passenger ship industry go with a swing.

如何加强滚装客船运输生产的安全管理，预防或减少安全事故的发生，确保滚装客船运输市场健康发展，是当前亟待解决的问题。

Vessels, when bunkering or loading and unloading oil, must observe operating instructions and take effective measures to prevent oil spills.

船舶进行加油和装卸油作业时，必须遵守操作规程，采取有效的预防措施，防止发生漏油事故。

Based on the experience from constructing the underground colligated pipeline information system in Quanzhou City, this paper describes the application of GeoPipe Pipeline information system in pipeline centralized management, and then discusses how to prevent and deal with some pipeline urgent accident.

本文结合泉州市地下综合管线信息系统建设的经验，探讨了GeoPipe管线信息系统在管线的统一管理中的应用，以及如何利用该系统预防和应对地下管线突发事故等基本问题。

Through setting independent monitoring and control unit of traveling, hoisting traveling and speed setting are guaranteed accurately. Through optimized control of speed, damage is reduced for hoisting rope by impact of driving current. Through continual and fixed-point monitoring and control for speed, high reliability of speed protection is realized. Through control of optimizing loading and unloading process, overwinding accident caused by wrong loading fault is prevented.

通过设立独立的行程监控单元，确保提升行程和速度给定准确无误；通过速度的优化控制，减轻驱动电流冲击对提升绳的损伤；通过连续和定点相结合的速度监控，实现速度保护的高可靠性；通过优化装卸载工艺控制，预防错误装载故障导致的过卷事故。

This article illustrates how to change the control circuit of combined hoisting gear to ensure the miners'safety by focusing on avoiding the mis-operation on overwinding apparatus switch in Huagushan Colliery.

从我矿副井混合提升绞车过卷保护切换误操作问题，对绞车的控制回路进行了改造，预防了在提升时可能发生的事故，确保了人身安全。

By means of Monte Carlo simulation approach the stochastic properties of contingencies , protective devices and protection system hidden failures are procreated , and the software for prevention and assessment of the risk of power system cascading failure is developed .

应用蒙特卡罗方法产生系统事故，保护装置和隐性故障的随机特性，编写了电力系统连锁故障风险评估与预防软件。

The assembly of journal and plain bearing liner space is too little, force of organic still oil pressure is small it is the crucial index that affects lubricant result, make lubricate because of lacking engine oil between crankshaft and plain bearing liner and bite dead invalidation, include to be pulled badly, lack lube, layer of alloy of dry attrition generation is fused, grind sliding surface to did not maintain the oily film of certain ply, and all sorts of local overload exhaustion are destroyed, cavitation erosion and V form are destroyed etc, through technology of him director diesel locomotive old experience reachs the analysis of pair of its breakdown reasons, put forward precautionary measures especially. As a result of,the burns caustic mechanism plain bearing liner to burn caustic mechanism of 1 plain bearing liner is the lube film burst between journal and plain bearing liner, cause plain bearing liner and crankshaft generation clash, below high temperature, high pressure and high rotate speed, the wear-resisting alloy layer of plain bearing liner wears away prematurely or fuse, cause plain bearing liner and crankshaft to stick thereby bite, can make the steel back of plain bearing liner and Kong Zhong produces whirligig, inlet port is jammed, carry on the back by steel again with the friction of aperture causes high temperature to make plain bearing liner burned-out further, can cause bolt to break off, happen swing a malign accident that pounds cylinder body of bad internal-combustion engine.

轴颈和轴瓦的装配间隙太小，还有机油压力低是影响润滑效果的关键指标，使得曲轴和轴瓦之间因缺少机油润滑而咬死失效，包括严重拉伤，缺少润滑油，干摩擦产生合金层熔化，磨滑面没有保持一定厚度的油膜，以及各种局部过载疲惫破坏，气蚀和V形破坏等，通过本人主管内燃机车技术多年经验及对其故障原因的分析，特提出预防办法。1轴瓦的烧损机理轴瓦烧损的机理是由于轴颈和轴瓦之间的润滑油膜破裂，导致轴瓦和曲轴产生摩擦，在高温、高压和高转速下，轴瓦的耐磨合金层过早地磨损或熔化，从而引起轴瓦和曲轴粘咬，会使轴瓦的钢背和座孔中产生旋转运动，进油孔被堵塞，再由钢背和座孔的磨擦进一步引起高温使轴瓦烧坏，并会造成螺栓折断，发生甩出捣坏内燃机缸体的恶性事故。

Area of column of distributinging rule, coal forms the stress that combines coal post lower part the incidence of tall stress area and stoping model accident, the analysis pounds mine to press the course that produce and intensity, take different precaution and processing step in time, obtained very good result, get admissive in practice.

结合煤柱下方的应力分布规律、煤柱区域形成高应力区的影响范围和回采典型事故，分析冲击矿压发生的过程和强度，及时采取不同的预防和治理办法，取得了很好的效果，在实践中得到认可。

Firstly,the rule and cause of rupture failure for the cardan shaft of the DF 4D type freight diesel locomotive are discussed and Then,the methods on how to deal with the rupture failure of the cardan and the other failures resulted from the different small fuel quantity of different injection pump equipped on the same diesel engine are introduced.

阐述了东风4D型货运机车万向轴断裂的规律，进行了原因分析，介绍了万向轴断裂事故处理的实例，并对同台柴油机上各喷油泵小油量相差大易引起的其它后果进行了分析，最后提出了具体的预防措施及操作程

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