1) urban dust
城市灰尘
1.
Spatial variation characteristics of urban dust heavy metal pollution based on geosatistics;
基于地统计学方法的城市灰尘重金属污染的空间变异特征
2.
The urban dusts were polluted by Pb, Zn, Ni which were much higher in the industrial estate, sowntown and busy roads.
研究表明:上海城市灰尘重金属平均含量水平普遍较高,Pb、Cr、Cu、Ni、Zn平均含量分别为273。
3.
This paper is based on a study of the urban dust in Xi'an City,especially the environmental geochemical anomaly of lead in the street dust.
在对西安市城市灰尘研究的基础上,对市区街道灰尘中铅的环境地球化学异常进行研究,一共圈定了5处铅的环境地球化学污染区,包括西新街污染区、安远门污染区、龙首村污染区、纺织城污染区、钟楼污染区。
2) city dust
城市灰尘
1.
1mm mainly comes from other place from upper air which occupies 30% of all the city dust.
通过对杭州城市灰尘迁移循环模式和不同粒径质量分布特征分析,表明灰尘的来源和搬运方式有关,灰尘的搬运有悬移、跃移和蠕移,其中粒径小于0。
2.
Environmental pollution of city dust includes dynamical pollution、geographical pollution、substantial pollution、cycle pollution and body pollution etc.
城市灰尘 (Citydust)是指粒径小于 2 0目 (0 。
3) urban surface dust
城市地表灰尘
1.
Concept,pollution character and environmental effect of urban surface dust.;
城市地表灰尘的概念、污染特征与环境效应
2.
Volume fractal characteristic and adsorbability in urban surface dust;
城市地表灰尘颗粒体积分形特征及其吸附性
3.
Particle size distribution of heavy metals in urban surface dusts in Shanghai
上海城市地表灰尘重金属粒级效应与赋存形态研究
5) Near-surface urban dust
城市近地表灰尘
6) urban raised dust
城市扬尘
1.
There is some confusion to the urban raised dust and related conception in the field of atmospheric particular matter source apportioning.
深入分析了城市中扬尘形成的机理,对城市扬尘、城市扬尘源类、城市扬尘源的物质、城市扬尘样品的采集方法等问题进行了新的诠释。
2.
Applying\'double source apportion\'technology and related atmospheric particulate data in Taiyuan City,the author successfully analyzed the contributions and ratios of individual sources to road dust,the contributions and ratios of road dust to urban raised dust,the contributions and ratios of individual sources,road dust and urban raised dust to the ambient air particulate matter as well.
采用"二重源解析"技术解析了太原市的各单一源类对城市道路尘(以下简称道路尘)的贡献值和分担率;各单一源类和道路尘对城市扬尘的贡献值和分担率;同时解析了各单一源类、道路尘和城市扬尘对环境空气颗粒物的贡献值和分担率。
补充资料：灰尘
尘土：打扫～。
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