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neutral atmospheric
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  中性大气
     Comparison of Earth’s Neutral Atmospheric Parameters Inversed with GPS/MET Data and CHAMP Data
     利用GPS/MET与CHAMP掩星资料反演地球中性大气参数的比较
短句来源
     Adjusting Method Studies on Neutral Atmospheric Boundary Layer Simulating Tests
     中性大气边界层模拟试验调试方法研究
短句来源
     Research progress on the neutral atmospheric refraction delays for VLBI——correction model of the mapping function
     VLBI中性大气折射延迟的研究进展——映射函数的改正模型
短句来源
     Research progress on the neutral atmospheric refraction delays for VLBI-correction model of the mapping function
     VLBI中性大气折射延迟的研究进展——天顶延迟的改正模型
短句来源
     The Arithmetic Discussion for Inversion of Earth′s Neutral Atmospheric Parameters with CHAMP Satellites Data
     用CHAMP卫星资料反演地球中性大气参数
短句来源
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  “neutral atmospheric”译为未确定词的双语例句
     Furthermore, taking the neutral atmospheric layer as aninstance, Attenuation factor and basic transmission loss varying with space variablesare calculated in the evaporation duct near the sea surface.
     之后,以中性大气层结为例计算了蒸发波导中衰减因子随高度的变化和电波传播的基本传输损耗。
短句来源
     The results show that under stable and neutral atmospheric situation the dry deposition velocity of ammonia lie in the range of -0. 96 - 2- 09cm · s-1 with a mean of 0. 62cm · s-1.
     s~(-1),平均值为 0.62 cm. s~(-1).
短句来源
     Finnally the generator function method of the neutral atmospheric refraction proposed by the author and his collaborators has been briefly reviewed in chapter 8.
     在本文的第8节,简要地介绍了作者在大气折射研究中的最新进展——大气折射母函数方法。
短句来源
     The measurement of CO2 turbulent exchange in a broadleaved Korean pine forest in Changbai Mountains by an open-path eddy covariance system showed that with near neutral atmospheric stratification,the CO2 and vertical wind components over canopy in inertial subrange followed the expected-2/3 power law,and the dominant vertical eddy scale was about 40 m.
     采用开路式涡度相关技术,研究了长白山阔叶红松林森林-大气界面的CO2湍流交换特征. 结果表明,在近中性大气层结条件下,冠层上方垂直风速和CO2浓度功率谱在惯性子区基本符合-2/3定律,垂直方向主导湍涡尺度约为40 m.
短句来源
  相似匹配句对
     THE MAPPING FUNCTION OF THE NEUTRAL ATMOSPHERIC REFRACTION
     中性大气折射的映射函数
短句来源
     RESEARCH ON THE CORRECTION FOR THE NEUTRAL ATMOSPHERIC DELAY IN GPS SURVEYING
     GPS测量的中性大气折射改正的研究
短句来源
     atmospheric corrosion
     大气腐蚀
短句来源
     with atmospheric models
     大尺度水文模型及其与气候模型的联结耦合研究
短句来源
     Neutral doctrism
     中性主义
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  neutral atmospheric
The IPHA method as applied to the 162 kHz measurements made at Panská Ves, allows ionospheric and neutral atmospheric parameters to be studied simultaneously and appears to provide reliable and good quality data.
      
Several non-dynamic, scale-invariant, and scale-dependent dynamic subgrid-scale (SGS) models are utilized in large-eddy simulations of shear-driven neutral atmospheric boundary layer (ABL) flows.
      
In its present stage of development the model is based on the numerical integration of neutral atmospheric flow equations, using an energy-dissipation closure scheme and over a domain that may include vegetation layers.
      
High-accuracy large-eddy simulations of neutral atmospheric surface-layer flow over a gapped plant canopy strip have been performed.
      
Three of these formulations are implemented in simulations of a neutral atmospheric boundary layer with different aerodynamic surface roughness.
      
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Pressure distributions of cooling towers in a neutral atmospheric boundary layer have been simulated successfully in a low speed wind tunnel with 2.25m diameter. Since circumferential pressure distribution in the middle 1/3 part of cooling tower is quite similar to the pressure distribution of circular cylinder, wind effects on the towers with various arrangements-could be simulated by two cylinders with staggered arrangement in a uniform flow with strong or weak turbulence. Results of this experiment...

Pressure distributions of cooling towers in a neutral atmospheric boundary layer have been simulated successfully in a low speed wind tunnel with 2.25m diameter. Since circumferential pressure distribution in the middle 1/3 part of cooling tower is quite similar to the pressure distribution of circular cylinder, wind effects on the towers with various arrangements-could be simulated by two cylinders with staggered arrangement in a uniform flow with strong or weak turbulence. Results of this experiment demonstrate that there exists a strong vortex in front of the downstream cylinder in the condition of L/D = 2-3, α=5°-10° and the mean flow with weak turbulence. By the vortex induction the lift coefficients of downstream cylinder equal -1.0 and Cpmin decreases rapidly to -1.7. So, it might be one of possibilities to damage the downstream towers at Ferrybridge and should be considered in designing a new power plant.

本实验通过中性大气边界层湍流特性的风洞模拟,在1/1000的冷却塔模型上得到和原型实测结果相近的周向压力分布。利用中间1/3塔高上周向压力分布和圆柱压力分布的相似性,用强湍流度和弱湍流度均匀来流中双柱的相互作用来模拟塔群平面布局对风载的影响。实验结果表明,在弱湍流度均匀来流以及L/D=2—3和a=5°—10°的条件下,后柱前沿出现较强的集中涡,使后柱的升力系数达到-1.0,Cp_(min)迅速降到-1.75。这种在强稳定层结的大气条件下可能出现的弱湍流度均匀来流中的塔间干扰,应是渡桥电厂后排各塔倒塌的各种可能之一,需在火力发电站设计规划中加以考虑。

Field observation was conducted at Nangyang Building (a 31 storis tower-like building) in Shenzhen, in Jan. 1986. The variations of wind speed, wind direc- tion, temperature and the concentration of pollutant exhausted by automobile versus the height were observed around the tower, and some basic rules loere made. Based on the above work, the three dimensional wind field in north wind with neutral atmospheric conditios around Nanyang Building was modelled with SIMP- LE method, and the concentration field...

Field observation was conducted at Nangyang Building (a 31 storis tower-like building) in Shenzhen, in Jan. 1986. The variations of wind speed, wind direc- tion, temperature and the concentration of pollutant exhausted by automobile versus the height were observed around the tower, and some basic rules loere made. Based on the above work, the three dimensional wind field in north wind with neutral atmospheric conditios around Nanyang Building was modelled with SIMP- LE method, and the concentration field of NOx in north wind and neutral atmosphere around Nanyang Building was modelled also with the method of numerical resolving transport and diffusion equation. The mdoelling results was compared with the observed results. The modelling results indicated that wind shadow of the tower was just like a chimny, whitch could help to reduce the pollution on the street.

1986年1月在深圳市罗湖区的南洋大夏(31层),现场监测了塔楼附近风速、风向、温度及汽车尾气污染物浓度随高度的变化,总结了一些规律。在此基础上,用SIMPLE方法模拟了北风、中性大气条件下南洋大厦附近的三维流场,用求对流扩散方程数值解的方法模拟了北风、中性大气条件下南洋大厦附近NOx的浓度分布,并与实测结果相比较。模拟结果表明,塔楼的风影能起到一个相当干烟囱的作用,对减轻街道面的汽车尾气污染有利。

Under spherical symmetric atmospheric profiles, the generating function of neutral atmospheric refraction corrections, which related to the complementary error function, has been introduced in this paper. The mathematical expressions of the generating function has also been discussed in some detail. The mapping functions derived from this method could be used for different atmospheric profiles by means of least square adjustments to the expanding parameters.

在球对称大气模型下,我们导出了与余误差函数形式相联系的中性大气折射改正的母函数,并进一步讨论了它的几种数学展开形式。由此方法建立的映射函数可以对各类大气模型直接进行参数拟合。

 
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