1) Near-surface urban dust
城市近地表灰尘
2) 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
3) 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 。
4) 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。
5) road dust
地表灰尘
1.
Source identification of PAHs in road dusts from Shanghai city;
上海市地表灰尘中PAHs的来源辨析
2.
Primary research on health risk assessment of heavy metals in road dust of Shanghai
上海地表灰尘重金属污染的健康风险评价
3.
The corrosion to biological system of urban road dusts is convert, potential, and persistent, more.
城市地表灰尘对生态系统的破坏是隐蔽的、潜在的、长期的，且城市地表灰尘中的颗粒物对人体的危害则是直接的，有时甚至是致命的。
6) surface dust
地表灰尘
1.
Spatial and particle size distribution of mercury and arsenic on surface dust in spring in the Wuhu urban district
芜湖市区春季地表灰尘中汞和砷的空间及粒径分布规律
2.
The characteristic of particulate size and heavy metal in foliar dust and surface dust from different urban areas
城市不同功能区内叶面尘与地表灰尘的粒径和重金属特征
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