1) sand-dust particulates
沙尘粒子
1.
During strong sand-dust storms, in particular, the main pollutant particulates are sand-dust particulates.
北京地区大气中污染物粒子PM10主要有3个来源:本地区排放的PM10;北京周边地区排放的PM10经过输送扩散进入北京大气中;沙尘现象污染北京大气,尤其在强沙尘时造成北京大气中主要污染物粒子皆为沙尘粒子。
2) sand dust air mass
沙尘粒子气团
3) dust
沙尘
1.
The Experimental Study of Retrieving Dust Aerosol Size Distribution Using Multichannel MODIS Remote Sensing Data;
利用多通道MODIS遥感资料反演沙尘气溶胶尺度分布的个例试验
2.
A statistic regression approach was introduced to estimate the wavelength index of black carbon and dust particles,and further to separate the contribution of the two types of aerosols to the aerosol light absorption coefficients measured in the spring of 2006 in Beijing urban area.
对2006年春季北京城区大气气溶胶中沙尘和黑碳气溶胶吸收系数的波长指数及其对总吸收系数的贡献进行了估算。
3.
The results show that the dust happened rarely in the spring of 2005,and only five times were observed from January to February,three of them happened in April.
观测结果表明2005年春季沙尘发生次数较少。
4) sand dust
沙尘
1.
Study on the pollution of sand dust;
沙尘对污染的影响、成因及预报
2.
Abrasive wear experiment of PEN(polyethylene2, 6-naphthalenedicarboxylate) tape was performed in sand dust environment with ATM(Auto Teller Machine) tribosystem.
选取聚萘二甲酸乙二酯(PEN)薄带在ATM自动取款机摩擦学系统中进行了沙尘磨粒磨损试验,利用表面形貌仪以一定时间间隔测量薄带磨损形貌,采用结构函数法考察磨损形貌的分形特征,并利用扫描电子显微镜分析其磨损机理。
5) sand-dust
沙尘
1.
The sources of sand-dust during sand blowing weather mainly come from Beijing outskirts.
沙尘天气分沙尘暴、扬沙、浮尘三种,北京扬沙天气的沙尘源以就地起沙为主。
2.
In this paper,the basic laws and characteristics of the different-structured shelterbelts in reducing sand-dustin air near ground surface are researched based on summing up the predecessors’ achievements by usingcomparability theory and wind tunnel simulation.
在总结前人研究的基本理论基础上,依据相似性理论,采用风洞模拟实验的方法,研究不同结构类型防护林降解近地表沙尘的基本规律及特征。
3.
The technical route of this study is to study the characteristics of wind-blown sand movement and sand-dust control mechanism of plants with blown sand physics and mathematical statistics as basic principles, combining theories of forestry, ecology and other subjects.
本项研究的技术路线是以风沙物理学、数理统计学的基本原理，结合林学、生态学等学科理论来研究风沙运动特征及植被抑制沙尘的机理。
6) dust storm
沙尘
1.
Harbin dust storm event formation causes and the changes of urban air pollutants in dust storm event;
哈尔滨沙尘天气成因及其对城市大气污染的影响
参考词条
补充资料：初级粒子和原级粒子
分子式：
CAS号：
性质：又称初级粒子和原级粒子。利用各种化学反应方法得到的最初粒子(晶粒)。一次粒子的大小约为0.005～1μm，比筛分的极限小得多，在介质中有相当高的稳定性。
CAS号：
性质：又称初级粒子和原级粒子。利用各种化学反应方法得到的最初粒子(晶粒)。一次粒子的大小约为0.005～1μm，比筛分的极限小得多，在介质中有相当高的稳定性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。