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- level pressure coefficient 常压力系数
- Benefit of this modified shape is that the expansion around the first corner reduces the initial pressure coefficient on the frustum to low values. 这个改进的外型的优点是绕第一角点的膨胀会把截锥上的初始压力系数减少到很低的值。
- Measuring the moisture diffusion coefficient and floating pressure coefficient by the means of diffusible cup. 对试验数据回归分析表明:木材水分扩散系数随试材厚度的增加而呈指数增加;
- A safety supervisory control of building dyke, i. e., pore pressure coefficient B-bar control method is introduced. 摘要简要介绍了一种软基上填筑堤坝施工安全的监控方法-孔压系数B值控制法。
- A Pronounced Bias in Tropical Cyclone Minimum Sea Level Pressure Estimation Based on the Dvorak Technique. 技术对热带气旋最小海平面气压估计的显著偏差。
- The first test was at a pressure 760,000 times thinner than sea level pressure on Earth. 首个测试是于较地球海平面气压小760,000倍的气压下进行。
- Validation of ECMWF Sea Level Pressure Analyses over the Bellingshausen Sea, Antarctica. 南极别林斯高晋海海平面气压分析的确定。
- The composites displayed a positive pressure coefficient(PPC) effect at ww__c.Uniaxial compression might facilitate the NPC effect or weaken the PPC e... 而高于渗流阈值时;呈现NPC效应.;在渗流阈值附近;单轴压缩可诱导NPC效应的出现;或者抑制PPC效应
- As the pressure coefficient increases, the volume ratio of the working gas vs. the cushion gas increases rapidly and the efficiency of gas storages increases too. 同时随著增压系数的增大,工作气与气垫气的体积比迅速增加,气库效率随之提高。
- Still under trial, the weather station there measures weather elements including temperature, relative humidity and mean sea level pressure. 该处的气象站正在试行运作,测量包括气温、相对湿度和平均海平面气压。
- According to the isoline of the pressure coefficient that is 1.42, the distribution of source-contacting gas accumulations can be determined approximately. 根据这一界限,大致可以确定根缘气的发育范围。
- Sustained surface wind near its centre is estimated at 28 kilometres per hour,with minimum sea level pressure of 1008 hPa. 扰动中心风力约每小时28公里,中心最低海平面气压为1008百帕斯卡。
- Based on the site observation data of Hengmen Channel, it advances an analysis to the wave action induced by a high-speed catamaran to dike and the maximum wave pressure coefficient. 根据横门水道现场观测资料,分析了双体快速船船行波对堤岸的作用和最大波压强系数分布。
- In setting up the model of optimizing design of dewatering program, the goal function (reduction pressure coefficient) was to make surrounding ground settlement minimum under the promises of ensuring foundation pit draw down. 在降水优化设计模型的建立中,以减降系数为目标函数,在保证基坑降深的前提下,使周边地面产生的沉降最小。
- The trend of the fluctuating pressure coefficient in different position of the cavity is analyzed, and the influence of the sloshing phenomena on the pressure distribution is discussed. 本文分析了模型所受的脉动压力随傅汝德数在不同腔体位置的变化趋势,并讨论了晃荡现象对压力分布的影响。
- The series of the Southern Oscillation Index (SOI) published by US CAC is extended from 1935 back to 1857 using the sea level pressure differences belween Tahiti and Darwin. The periodicities-of SOI and,its -relationship to the SST are examined. 本文利用塔希提和达尔文的气压差将美国气候分析中心的SOI序列从1935年向前接补到1857年,并用SOI周期及其与SST的关系进行了检验,证明可以将两段SOI接续起来。
- Generally, the wells of northeast region of Sichuan have high pore pressure, the pressure coefficient of whose main gas pay is mostly above 1.5, but Maoba 1 well and Heba 1 well’s reach 2.0. 川东北地区的井一般压力都比较高,主要气层压力系数大多在1.;5以上,毛坝1井、河坝1井等井压力系数达到2
- Before the Qinghai?Xizang Plateau is uplifted or during it is uplifted up to the critical height, about 2 km ASL, the sea level pressure, 500 hPa and 100 hPa level heights are all lower than they are now all over the most part of the Northern Hemisphere. 高原隆升前和隆升至临界高度时,北半球绝大部分地区海平面气压场、500hPa高度场、100hPa高度场都比现在偏低。
- The impact of NOAA 9/10 satellite sounding data (at December 1987) has been assessed by both changes in S1 skill score and root mean square (RMS) errors for 24 and 48 hour forecasts of sea level pressure (SLP) and 500hpa height. 本文用均方根误差(RMS)和S1记分评价NOAA9/10气象卫星1987年12月探测数据对B-模式分析预报系统的影响(效果);得出:1.;卫星数据和常规数据等权同化分析预报;陆地和海洋上的海平面气压(SLP)48小时预报的RMS减小(正影响)达到11
- The results show that the pressure coefficient of1.30for Yangxin Series of the Permian can be taken as the critical value for pressurizing the Carboniferous gas pools. 研究成果表明,可将二叠系阳新统的现今流体压力系数1.;30作为对石炭系气藏压力封闭的临界值。