1) road cumulated dust
道路积尘
1.
[Objective]To investigate inorganic element pollution status in road cumulated dust in Wusong industry and nearby areas.
[目的]了解上海市吴淞工业区及周边地区道路积尘中无机元素的污染状况。
2) limitation standard of road dust loading
道路积尘量限定标准
1.
The measurement improving the ranks of ecological regions and the suggestion of formulating the limitation standard of road dust loading to control resuspended particulate pollution were proposed.
针对扬尘污染问题,进行了扬尘污染防治理论探讨,明确了扬尘的概念和特点;提出相对起尘量的概念,定量地分析了城市不同类型下垫面对扬尘污染的影响;建立了城市下垫面生态等级的划分方法;提出通过提高生态域等级及制定道路积尘量限定标准这两类措施来治理扬尘污染;建立了这两类扬尘污染防治措施的环境效益评估方法体系。
3) road dust
路面积尘
1.
Study on element character of environmental chemistry road dusts in Xi'an;
西安市路面积尘微量元素环境化学特征研究
2.
Study on road dust with grain diameter distribution and mineral composition of various grains in Xi'an demonstrated that road dust mainly existed in grains with a diameter of 30～50 mesh(0.
对西安市路面积尘粒径分布和不同粒径中矿物质量组成的研究表明,路面积尘质量主要集中在30～50目(0。
3.
Different samples of road dust are taken in Nanjing city.
采集了南京市区不同的路面积尘试样,进行了试样的粒径与元素的相应实验分析,得出了相应的粒径分布规律、元素组成和元素含量;并对路面积尘的应用基低热值和分形维数进行了分析和计算,其应用基低热值在5 385。
4) road dust
道路灰尘
1.
Study of the distribution characteristics of phthalate esters in road dust of the city;
城市道路灰尘中邻苯二甲酸酯污染特征研究
2.
Short-term changes in the contents of platinum group elements (PGEs) in road dust
道路灰尘铂族元素含量的短期变化过程分析
3.
Some conclusions can be drawn as follows: ①The average concentrations of Cd,Hg,Pb,Cu,Zn,Ni,Cr and As in road dust were 0.
对上海市饮用水源地周边环境介质(农田土壤、道路灰尘和蔬菜)中重金属的累积特征进行了研究,分析了重金属的空间结构特征及主要污染来源,揭示了周边环境中重金属对水环境的影响,并对重金属的生态风险状况进行了评估。
5) street dust
道路尘埃
1.
The studies of magnetism of city environment show that coarse magnetic carrier of city street dust, whose frequency-dependent susceptibility is less than 5%,commonly comes from artificial sources.
城市环境磁性研究表明,道路尘埃中的粗颗粒磁性载体(频率磁化率系数χ′FD<5%)多为人为源,磁性矿物以单畴和多畴状态的磁铁矿为主,同时含有少量的赤铁矿和其他磁性矿物;细颗粒磁性载体(χ′FD为7%~11%)多为自然源,磁化率较低(小于100×10-8m3/kg)。
2.
Ninety-seven street dust samples were collected in a sampling peri.
本文选择武汉市东湖主湖区郭郑湖周边道路为研究靶区，以道路尘埃作为研究的载体。
6) road dust loading
道路尘
1.
Environmental benefit assessing methods of changing urban ground surface types and controlling road dust loading;
改变城市下垫面类型及控制道路尘环境效益评估方法
补充资料：积尘
1.累积的尘土;尘土聚积。 2.喻指旧事物的残余影响。
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