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The occurrence and development of coal spontaneous combustion are a complex physical and chemical process.

煤自燃的发生和发展是一个十分复杂的物理化学过程，大型煤自然发火实验台的建造解决了煤自然发火的实验模拟问题。

It is an effective way to go back to the source and understand the occurrence causes of sporadic events.

而溯本求源，认清重大突发事件发生的原因，才能从根本上遏制其发生。

The development of a gametophyte directly from a sporophyte without the occurrence of meiosis or spore formation.

无孢子形成，无孢子生殖，无孢子状态没有经过减数分裂或孢子形成而直接由孢子体进行的配子体发育

Underground hydrothermal communicate with deep heat source near Huangzhuang-Gaoliying discordogenic fault. After abundantly absorbing the deep heat, some of it continue to travel to the base rock in the deep of the plain and some of it travel and becomes occurrence along Daliushu-Huluhe fault, which is held up at Asuwei-Xiaotangshan fault, and then drain along the carbonate rock karst fissure, ascend to the surface and thus the Xiaotangshan hot spring comes into being.

地下热水在黄庄—高丽营深大断裂附近与深部热源沟通，充分吸收深部热量后，一部分继续向平原区深部的基岩储层运移，一部分沿大柳树—葫芦河断裂和碳酸盐岩地层向北部运移、赋存，在阿苏卫—小汤山镇断裂处遇阻，沿碳酸盐岩岩溶裂隙排泄，上升至地表，形成小汤山温泉。

The occurrence of squall lines is frequently associated with instability energy and vertical wind shear.

飑线的产生经常与不稳定能量和垂直风切变相联系。

S suffered from"stagflation",that is ,the occurrence of stagnation and inflation at the same time.

从70年代中期开始，美国开始遭受"经济滞胀"即经济停滞与通货膨胀的同时出现。

Regarding the frequent occurrence of speed stalling of boiler axial flow primary fan in the operation of 600 MW unit in China,the cause of speed stalling was analyzed based on the actual measured data.

针对目前国内600 MW大容量机组锅炉轴流式一次风机运行中失速事故频繁发生的问题，在了解造成轴流式一次风机失速原理的基础上，根据实测数据对一次风机失速原因进行分析。

Regarding the frequent occurrence of speed stalling of boiler axial flow primary fan in the operation of 600 mw unit in china,the cause of speed stalling was analyzed based on the actual measured data.the problem is mainly caused by primary air pipe resistance property variation,which caused the excessive opening of movable blades,the primary fan is working on the condition of higher wind pressure and lower flow.the approaches to reduce the speed stalling of primary fan and preventive measures are put forwa...

针对目前国内600 mw大容量机组锅炉轴流式一次风机运行中失速事故频繁发生的问题，在了解造成轴流式一次风机失速原理的基础上，根据实测数据对一次风机失速原因进行分析。主要原因为一次风管阻力特性的变化，使一次风机动叶开度过大，一次风机工作点处在高风压区低流量的工况点，是造成一次风机失速的主要原因，提出了运行中减少一次风机失速机率的处理方法及预防措施。

On one hand, turbulences cause the thermonuclear reaction of the H-burning shell in AGB star to be unstable, and the occurrence of the thermal pulse greatly beforehand, and very frequent.

这种热脉动的提前发生不仅使氦壳层内的光度、产能率、温度发生变化，同时使氢壳层内的各物理号和恒星表面的光度都同步发生改变。

When there is a west-east oriented stationary Mei-Yu front in the region, it is a dangerous zone for the occurrence of the heavy rainfalls.

当有一条西-东走向的静止锋位于这个区域中时，这里成为暴雨发生最多的危险地带。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。