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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...

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。

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。

Toxic shock syndrome caused by Streptococci is more common than that caused by Staphylococci .

毒性休克症候群引起的链球菌是较为常见的比所造成的金黄色葡萄球菌。

This paper is based on previous studies of value premium. The sample is from Shanghai and Shenzhen Stock Market, all the A stocks issued before 1999 are included. The paper tries to answer three questions:(1) whether there is value premium in Chinas stock market;(2) whether the value premium is caused by risk premium;(3) whether the value premium is caused by investor sentiment.

在这种背景下，本文在借鉴前人已有研究成果的基础上，选取上海证券交易所和深圳证券交易所1999年1月1日以前上市的全部A股为研究对象，试图研究三个问题：第一，中国股票市场是否存在价值溢价现象；第二，价值溢价是否是由风险补偿引起的；第三，价值溢价是否是由投资者情绪引起的。

Little overdose aluminum caused that the displacement reaction occurred between Al and TiO2 with releasing much heat, and Al2O3 and free Ti were formed, then the active Ti combined with C and produced TiC; more overdose aluminum caused the thermit reaction happened between Al and TiO2, and was generated, then Al3 Ti combined with C and produced TiC.

首先在无过量铝的情况下，Al与TiO2发生置换反应，生成了Ai2O3和游离态，而后游离态与C结合生成TiC；而存在过量铝的情况下，首先发生铝热反应生成Al3Ti，进而Al3Ti与C结合生成TiC。最终完全获得Ai2O3-TiC/Al复合材料。

It's unfair because feckless greedy financiers who caused the problem ought to lose money and aren't–or aren't losing enough money–and because feckless greedy imprudent thriftless borrowers who caused the problem ought to lose money and aren't–or aren't losing enough money.

它是不公平的。因为现在的问题是由那些无用贪婪的金融家和鲁莽挥霍的借贷者造成的，他们应该为此蒙受损失。但事实上，他们却没有损失或者只是损失了很少量的金钱。

So, the decrease of energy flux density is the common results of decrease in frequency caused by time dilation and increase in wavelength caused by space contraction.

因此光波的能流密度的减小，是由钟慢引起频率υ减小和尺缩引起波长λ增大共同作用的结果。

The responses properties of coupled vibrations for 120° and 180°asynchronous juxtaposition of 200MW turbine-generator set were analyzed. The results show that the responses properties of flexural and torsional vibrations caused by 120° asynchronous juxtaposition are similar to that of 180° asynchronous juxtaposition. When the fault happened, Former two steps inherence frequencies and whirl speed frequency of torsion are excited. And the first step inherence frequencies of flexural vibration are also excited besides whirl speed frequency. Transient electromagnetism moment peak, torsional and torsional moment responses caused by 180° asynchronous juxtaposition are lower than that of 120° asynchronous juxtaposition.

利用该方法，针对某200MW汽轮发电机组的120°和180°两种非同期并列情况，进行了机组弯扭耦合振动响应特性研究，分析表明：汽轮发电机组的120°和180°两种非同期并列情况下的弯振和扭振响应特性基本相似；非同期并列主要激发出工频和前两阶固有频率扭振，弯振除工频主分量外，第一阶固有频率也被激发出来；180°非同期并列时的暂态电磁力矩峰值比120°非同期并列时低，相应的扭振和扭矩响应也小于后者。

In the winter solstice this day, regarding was located Northern Hemisphere's Taiwan, by now the solar just perpendicular incidence (was called the winter solstice line) in the the tropic of capricorn on, caused Taiwan to be in the winter the season, therefore caused Northern Hemisphere's daytime to be shortest, the dark night was longest.

在冬至这一天，对于位于北半球的台湾，这时太阳刚好直射在南回归线上，使得台湾处于冬季的季节，因此使得北半球的白天最短，黑夜最长。

And the early part of snow disasters caused direct railway, highway trunk road paralyzed different, earthquakes will only affect certain areas of the transport system, not on China's transport system caused major damage and the limited impact on China's economy and short-term.

与年初的冰雪灾害直接造成一部分铁路、高速公路主干道瘫痪不同，地震只会影响某些地区性的交通系统，不会对中国的交通系统造成重大破坏，对中国经济的影响有限且短暂。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。