1) wind-drifting sand
风沙扬尘
1.
On basis of Dynamic Differential Equation Model,mechanism of forests preventing wind-drifting sand is illustrated.
文章试图通过建立微分方程动态模型的方法讨论防护林对风沙扬尘阻滞作用的机理，在对模型进行分析的基础上，进一步说明营建防护林的理论与实践意义。
2) wind erosion dust
风蚀扬尘
1.
An estimation method for wind erosion dust emissions from storage piles;
料堆风蚀扬尘排放量的一个估算方法
3) dust storm and blowing sand
沙尘暴和扬沙
4) wind erosion emissions
风蚀扬尘量
5) soil dust
土壤风沙尘
1.
Using enrichment factor(Ef) to analyze the elements in soil dust to demonstrate the enrichment of seventeen elements.
用富集因子法分析土壤风沙尘17个元素的富集(污染)状况。
2.
The results of a number of source apportionment projects for TSP and PM10 indicate that the soil dust is an important source of ambient particulate matter.
TSP和PM10来源解析表明,土壤风沙尘是颗粒物的重要尘源,为此收集了源解析土壤风沙尘17种元素的质量浓度谱(成分谱),应用地质累积指数(以土壤元素背景值为背景浓度)来分析人类活动对城市颗粒物源解析土壤风沙尘的污染,为选择标识元素和治理风沙尘提供参考。
3.
The thesis analyzes the concentration distribution characteristics of the elements in soil dust in Tianjin by comparing them with soil environmental standard and soil background value, and then studies the enrichment characteristics by enrichment factors, to demonstrate the sources of these elements and their changes.
通过与土壤标准和背景值的比较分析了天津市土壤风沙尘元素的质量分数分布特征,通过富集因子法分析了天津市风沙尘元素的富集特征,进而说明天津市风沙尘元素的来源及其变化。
6) gale and duststorm
大风沙尘暴
1.
This paper statistically analyzed the data of gale and duststorms from 1960 to 2004 observed at the six weather stations in Zhangye City in central Hexi Corridor during the past 45 years,then analyzed in detail the space-time distribution and forming cause of gale and duststorm weather,and has concluded their formative atmospheric circulation situation characteristics and influencing system.
统计了1960—2004年甘肃河西走廊中部张掖市6个气象站近45 a的实测大风沙尘暴资料,详细分析了该市大风沙尘暴天气的时空分布及形成原因,并归纳出其形成的大气环流形势特征和影响系统。
补充资料：扬尘
1.激起尘土。 2.晋葛洪《神仙传．麻姑》:"麻姑自说云:'接侍以来，已见东海三为桑田，向到蓬莱，水又浅于往者，会时略半也，岂将复还为陵陆乎?'方平笑曰:'圣人皆言海中复扬尘也。'"后用为世事变迁之典。 3.喻征战。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条