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- Finally, both the raising vertical velocity and dust aerosol concentration increased. 该机制在沙尘体中上部随着短波辐射的累积,逐步使沙尘浓度和垂直速度共同增大;
- dust aerosol concentration 沙粒浓度
- Onqin Daga Sandland is one of important sources of dust aerosol in China. 浑善达克沙地是我国主要沙尘气溶胶源地之一,但对其沙尘气溶胶特征一直缺乏研究。
- Radiative forcing is affected sensitively by the change of single scattering albedo of dust aerosol. 辐射强迫数值对矿物尘气溶胶单次散射反照率的变化较敏感.
- The testing result derived with varied aerosol concentration has been proven inaccurate. 论文通过对过滤器测试试验数据的分析,发现在气溶胶浓度变化过程中,测试得到的结果并不准确;
- In the special terrain and weather case, radiative effects of dust aerosol can changethe wind direction, and transport the dust back. 在特殊的地形、气象场下,沙尘辐射效应的累积可能会引起风向的变化,使堆积的沙尘重新逆着原方向输送。
- Based on the scattering properties of nonspherical dust aerosol, a new method is developed for retrieving dust aerosol optical depths of dusty clouds. 本文基于非球形沙尘气溶胶的散射特性，发展了一种能够反演沙尘云中沙尘气溶胶光学厚度的方法。
- The concentration values of the simulations were basically in agreement with the experimentally measured results of welding aerosol concentration. 通过焊接气溶胶浓度现场实测,模拟值与其浓度分布基本吻合。
- The effects of meteorological conditions on the aerosol concentration, its vertical distribution, and the main sources of aerosol are studied. 探讨了气象条件对气溶胶浓度及其来源和分布的影响。
- The changs of aerosol concentration and cosmic ray also affects the electric field in fair weather regions, the ground current density and the electric field. 气溶胶浓度和宇宙射线的变化也会影响到晴天区电场以及雷暴区地面电流密度和电场;
- Results indicate that aerosol concentration and the content of chemical elements are higher in winter than in summer, maximum value appearing in December. 冬季气溶胶的浓度及其化学元素含量高于夏季,一般在12月份出现最大值。
- Analysis of model results indicates that the intermittent long-range transport plays an important role in black carbon aerosol concentration distribution over the northwestern Pacific during springtime in East Asia. 模拟结果表明 ;东亚地区春季间隙性的长距离输送对于西北太平洋海域的黑碳气溶胶浓度分布具有非常重要的影响 .
- The aerosol concentration and particle-size distribution during sand-dust storm processes during 2001 in Lanzhou city at leeward and Wuwei city at windward are analyzed in this paper. 分析了2001年沙尘暴期间兰州与靠近沙尘源区的武威的沙尘浓度和粒径分布特征,并运用对数正态分布规律拟合了沙尘粒径的分布。
- THE STUDY ON THE TRANSPORT OF DUST AEROSOL IN CHINA 中国地区沙尘气溶胶输送过程的数值模拟
- Keywords dust aerosol;stability;stratus; 沙尘;稳定度;层云;
- This paper aims to make a discussion and analysis of the sand dust aerosols, their origin and their propagation and sinking process. 从沙尘气溶胶的源地、输送及清除等几方面,讨论了沙尘天气发生的基本条件,即强风、大尺度环流形势和中尺度天气系统。
- Abstract： A polarization Mie lidar has been developed for measuring profiles of depolarization ratio of cirrus clouds and dust aerosols. 摘要： 研制了一台偏振-米散射激光雷达，用于卷云和沙尘气溶胶后向散射光退偏振比的探测研究。
- atmospheric aerosol concentration 大气气溶胶浓度
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
