通风

When the door Fume Hood Mobile Fume Hood or other factors cause changes in surface wind speed ,automatic adjustment of air volume,to reach the surface wind speed indicator set.

当通风柜门移动或其它因素引起通风柜面风速变化时，自动调整风量，迅速达到设定的面风速指标。

Mounting fans in series in closed adit and using two fans as air extractor and one fan for pressing air,the difficult problem of ventilation in long single entry was well-solved,the blasting smoke in working face were removed effectively and the density of dust lowered.

用密闭硐室串联风机，采用两抽一压混合式通风较好地解决了长距离独头巷道通风难题，有效地排除了工作面炮烟，降低了粉尘浓度，获得了满意的效果。

The use of differential pressure compensator resolved the difficult problem that partial fan was damaged when fiexible air duct was withdrawn in long blind heading series ventilation , which renewed the mutil partial fan ventilating method.

压差补偿器装置成功地解决了长独头掘进串联通风中柔性风筒被抽出时局部扇风机吸瘪的技术难题，刷新了长独头掘进多台局部扇风机串联通风的常规方法，极大地改善了长独头掘进工作面的生产作业环境。

In order to research the fire properties in the municipal tunnel with the mode of natural ventilation and the openings on its roof, full-scale fire tests were designed and conducted in a finished tunnel. The longitudinal diversification laws of maximum smoke temperature around the vault of the tunnel were collected.

为了研究顶部开口的城市隧道在采用自然通风模式下的火灾特性，在已建成的隧道中设计并实施了全尺寸火灾试验，得到了隧道火灾自然通风模式下的拱顶附近烟气最高温度纵向变化数据。

Because ventilating requirement of cross-ocean tunnel, expecially long distancecross-ocean tunnel, ventilating shaft should be set at sea.

跨海隧道，特别是长距离跨海隧道，由于隧道内通风的要求，必须在隧道中间即海中设置通风竖井。

To establish an effective ventilation mode for fire fighting in the Qinling road tunnel, an experiment is carried out to study the temperature distribution and smoke propagation in the ventilation duct and shaft of the tunnel in case of fire..

为了建立火灾工况下有效的竖井通风模式，通过大比例火灾模型试验，对不同通风模式下，主隧道、风道及竖井内温度场的传播分布、烟流蔓延扩散规律进行了研究。

Because of ventilating requirement of cross-ocean tunnel, especially long distance cross-ocean tunnel, ventilating shaft should be set in the sea.

长距离深海跨海沉管隧道，为满足隧道内运营通风的要求必须在隧道中部设置通风竖井。

To obtain more uniform temperature distribution and relative lowest temperature over cross section of the rotor, on the basis of test data of a given example of a 150MW turbo generator with air coolant, numerical solution of two dimensional modelling equations of air turbulent flow and heat transfer in and between cooling duct and rotor were carried by the Finite Volume Method at condition of varying configuration parameters of sub slot, the number of winding's cooling ducts and center distance of them, and the diameter of slot wedge.

为了能够得到转子截面较均匀并且最高温度值较低的优化温度分布，文中在150MW空冷汽轮发电机转子实验研究基础上，改变副槽的几何形状、径向通风沟的条数及间距、槽楔出风口直径等几何量，采用有限体积法求解转子本体及通风道内空气的传热及紊流流动等二维离散方程组。

The paper gives a detailed introduction to the numerical value analysis for natural smoke evacuation under the condition of fire,and provide scientific basis for the application of natural smoke evacuation in metro section tunnel,the arrangement of ventilation shaft and the section tunnel structure choice.

成都地铁一号线南部浅埋区间隧道在国内首次采用自然通风模式，本文对其在火灾工况下自然排烟模式的数值模拟分析作了详细介绍，为自然排烟方式在地铁区间隧道的应用，以及通风竖井的布置和区间隧道结构形式的选择提供了科学的依据。

Ccording to the characters of disasters in gas-logged, inflammable and thick seam of coal face, by analyzing and comparing the advantages and disadvantages of the current ventilation method s, a new ventilation method with technique, economy and safety as a whole is brought forward.

针对高瓦期、易自燃厚煤层中高产高效工作面的灾害特征，通过分析比较现有的几种通风方式的优缺点，提出了一种集技术、效益、安全一全化的新型通风方式。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。