风压

The mentioned relationships are as follows: the relation between the total equivalent orifice or the total resistance of mines and the ventilation system of ...

这几项关系是：(1)矿井总等积孔或总风阻与矿井通风系统的关系；(2)矿井总等积孔或总风阻与风流某些断面上的空气压力的关系；(3)矿井总等积孔或总风阻与机械风压、自然风压的关系。

Air pressure protection device: When the fan doesn't work, or the flue pipe is blocked,or the air pressure is too high,combustion will automatically stop.

风压过大保护装置：当风机故障、烟道堵赛、风压过大时，燃烧自动停止。

By circumferential and meridional pressure correlation study, we point out that, the correlation between windward area and leeward area is very small.

计算了风压沿环向和子午向的相关性系数，发现迎风区与尾流区内的各点风压相关性很低。

The paper fristly analyzed the reason of mine air reversing in Liangbei coal mine of Xinlong Coal Industry Corporation,which based on mensuration of mine ventilation resistance and spontaneousness wind pressure,and then the measures of preventing the air reversing was put forward.

在对新龙矿业集团公司梁北煤矿的矿井通风阻力测定和自然风压测量的基础上，找出梁北煤矿2007年1月气温突降后所引起的主井风流反向的主要原因，推导出导致风流反向的基本条件，提出在副井至-550 m运输石门之间增加调节设施以增大副井的风阻、增大主要通风机机械风压、在主井下安装压风机人为增大主井的机械风压、减少主井附近热源、对主井的风流进行降温处理和对副井的进风流进行预热以减少主副井之间的风流平均密度差等防止风流反向的控制措施，从而使主井恢复正常的进风状态，消除了矿井安全生产的严重隐患

The influences of turbulence and surroundings,especially the unbuilt East Tower, on the pressure fluctuation and RMS of pressure are also investigated inthis paper. Wind pressures for cladding design are presented. The main contributions and results of thisstudy are summarized as follows.

本文以高度432米的广州珠江新城西塔项目为工程背景，在风洞中研究了该建筑模型的风压分布特征，详细分析了不同流场湍流度、周边建筑尤其是待建的东塔对结构表面的平均、脉动和峰值风压的影响。

A test of wind pressure distribution on the New Control Tower of Beijing Airport has carried out.The wind pressure coefficients of mean,maximum and minimum values,as well as wind pressures of 50 and 100 year retune period with both 10 minute and 3 second time averages have been obtained and the top 8 values have been presented.

对某机场塔台模型，在模拟的大气边界层风场中进行了刚性模型测压试验，得到了这一结构的平均风压系数、最大和最小风压系数分布以及对应于 5 0年和 1 0 0年重现期的 3s及1 0min平均的风压值。

A full-scale measurement of wind pressure distributionon a group of two 120m high,ribless hyperbolic natural draft coolingtowers in Beijing area is described in this paper.

在对两座高120米双曲线型自然通风冷却塔群的风压分布的全尺寸测量，特别是风压测量系统及其参考压力的测量方法介绍之后，分析了冷却塔运行方式及来流方向对塔面风压分布的影响；并将全尺寸测量与风洞实验及单塔实测结果进行了比较。

Factors affecting wind deflection caused discharge include wind speed, wind pressure ununiformity coefficient ,induded angle between wind and conductor,and transmission line parameters,etc.

风偏放电的影响因素有风速、风压不均匀系数、风与导线夹角、输电线路的参数等，通过对这些因素的逐一分析，明确了风速、风压不均匀系数和垂直档距对绝缘子风偏角影响较大。

Now feedforward and feedback control of the heath box settle the problem. Three times wind pressure give rise to double closed loop control and also realize invariable wind pressure.

一次、二次及三次风压实现了双闭环比值控制，既解决了一次、二次及三次风压恒定问题，又解决了一次、二次及三次风压之间比值恒定问题。

The results show that the wind loads on the roof structure are mainly suctions. and the wind loads on the windward and leeward of the roof structure near the ground are positive. The differences among the results of four turbulence models were not notable.

结果表明，此类大跨度椭球屋面风压分布主要以吸力为主，靠近地面的屋面迎风面和背风面风压为正压。4种湍流模型的模拟结果之间差异较小，数值方法能够较准确地模拟该类大跨度椭球屋面的风压分布。

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