干沉降
- 网络dry deposition
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大气干沉降通量中,Cd,Cu随季节变化很小,而Pb,Zn有一定的季节变化,主要是因为降雨对大气颗粒物的去除作用。
Cd and Cu dry deposition fluxes hardly vary in different seasons , while Pb and Zn dry deposition fluxes vary with seasons because rainfall gets rid of some atmospheric particles .
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适用于大中尺度污染物输送模式的粒子干沉降参数化方案
A Scheme of Parameterization for Dry Deposition Fit for Large and Meso-Scale Pollution Transportation Model
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酸性沉降物包括干沉降物和湿沉降物,日本把pH值低于5.6的降水称为酸性降水。
Acid deposits are fallen into two categories , the dry and wet . In Japan the precipitation with pH value less than 5.6 is called acid precipitation .
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通过对剂量&响应函数的定量分析还表明,在绝大多数研究站点,SO2干沉降对材料的大气腐蚀起了主导作用;
The obtained DRF confirmed the dominant effect of dry deposition of SO2 on atmospheric corrosion of materials at most sites .
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结果表明:在一般情况下,SO2的气相化学作用小于干沉降和湿清除的作用;
Results show that the role of the gas chemical reaction for sulfur is less than the deposition and wet removal in general situation .
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除Pb外,Cd,Zn和Cu的湿沉降通量均大于干沉降通量,说明湿沉降在大气对兴化湾重金属的输入过程中起主导作用。
Atmospheric wet deposition fluxes of Cd , Zn and Cu are more than dry deposition fluxes of them , so atmospheric wet deposition of heavy metals to Xinghua Bay is more important .
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本文利用北京地面气溶胶观测资料,分析了北京气溶胶质量浓度、谱分布和干沉降的季节变化.结果表明,北京总悬浮颗粒物浓度(TSP)质量浓度有明显的季节变化。
By analyzing ground observation data , the seasonal variation of total suspended particles ( TSP ) concentration , size distribution and dry deposition in Beijing are studied .
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指出形成太湖大气TN污染的主要途径是湿沉降,而大气TP污染则主要来自气溶胶等固体物质的干沉降;
Atmospheric rainfall was recognized as a major source of TN into Taihu Lake , whereas atmospheric TP is mainly resulted from dry deposition of solid material in aerosol .
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TN的干沉降通量主要受风向及不同风向的大气中氮元素的种类和浓度的影响。干沉降中NH4+-N通量都远高于NO3&N。
The main factors of TN deposition flux in dry deposition were wind direction as well as the types and density of N in different directions of wind .
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九龙江流域大气氮沉降通量为14.9kgN/(hm2·y),其中干沉降占34%,湿沉降占66%;
The annual deposition atmospheric N flux amounted to 14.9 kg N / hm2 , of which dry deposition and wet deposition accounts for 34 % and 66 % , respectively .
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结果表明,大气氮沉降总量为82.8kg/(hm2·a),其中干沉降占67%;NH3-N是氮沉降的主要贡献者,占干沉降的82%,占总氮沉降量的56%;
Total amount of atmospheric nitrogen deposition was 82.8 kg / ( hm2 · a ), in which dry deposition occupied 67 % , NH3 was the main contribution , occupying 82 % of the dry deposition , and 56 % of the total nitrogen deposition amount .
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长春市大气颗粒汞及其干沉降通量
Atmospheric Particulate Mercury Concentration in Changchun City and Its Dry Deposition Flux
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九龙江流域大气氮干沉降
Dry deposition of atmospheric nitrogen to Jiulong River watershed in southeast China
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青岛大气气溶胶的浓度分布和干沉降的观测研究
Observation on Mass Concentration and Dry Deposition of Atmospheric Aerosols in Qingdao
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污染源、干沉降和气相化学影响硫沉降的数值研究
Numerical Studies of Effects of Source , Dry Deposition and Gas-chemistry on Sulfur Deposition Process
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氨的干沉降速率测定
Measurement of dry deposition velocity of ammonia
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北京大气气溶胶及干沉降中有机酸的来源特征研究
Characteristics and Sources of Organic Acid in the Atmospheric Aerosol and Dry Deposition of Beijing
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气溶胶通过干沉降作用,可能对近海生态系统和区域气候环境产生影响。
Atmospheric aerosols may impact on the coastal ecosystems and regional climate through dry deposition .
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气溶胶粒子干沉降速度的测量
The measurements of aerosol dry deposition
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二氧化硫干沉降的测量
The Measurement of SO_2 Dry Deposition
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大气气溶胶干沉降对海域微量金属输入的研究现状
Recent Researches on the Input of Trace Metal Elements to the Oceans via Atmospheric Aerosol Dry Deposition
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并同时收集降尘测定总沉降通量,收集此期间的降水测定湿沉降通量,直接计算干沉降通量值;
Deposited particles were also directly collected with surrogate surfaces for the estimation of total deposition fluxes .
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大气沉降过程(包括干沉降和湿沉降等过程)是化学物质进入沿海区域的重要途径之一。
Atmospheric deposition ( dry plus wet ) can be a significant process for chemical entering coastal waters .
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估算大气边界层内气溶胶干沉降速度和浓度垂直分布的方法
A method used to estimate dry deposition velocity and vertical distribution of aerosol concentration in atmospheric boundary layer
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采用此起沙模型,通过对黄沙输送过程中的干沉降过程、降水清除过程的参数化处理,建立了适合东亚地区的分谱的黄沙输送模式。
Based on the model , a long-range transport model for yellow-sand is developed and applied to East Asia .
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沙尘时期和非沙尘时期,3个地区粗颗粒的干沉降通量均随粒径增加而增大,细颗粒的干沉降通量随粒径的变化不明显。
The dry deposition fluxes increased with increasing size in the coarse particle size range during non-dust and dust periods .
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青岛近海地区SO2和SO4~(2-)干沉降速率的季节变化
The seasonal variation of dry deposition velocities of so_2 and so_4 ~ ( 2 - ) in the coastal area of Qingdao
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青岛近海地区大气气溶胶干沉降模型及气溶胶中常量元素干沉降通量的研究
Study on Dry Deposition Model of Atmospheric Aerosol and Dry Deposition Fluxes of Elements Loaded on Aerosol to the Sea Near Qingdao Area
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各种形态的汞通过大气干沉降、湿沉降、河流和地表径流颗粒物携带、地下水输入以及水体底部沉积物的再悬浮、扩散汇入水体。
Mercury spreads into water by many different processes including wet and dry deposition , input and surface runoff , resuspension and diffusion from sediment .
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可见大气干沉降是大气硫沉降主要贡献者,分别占70%和76.2%。
It is clear that the atmospheric dry deposition is the main indicator of the atmospheric sulphur deposition , occupying 70 % and 76.2 % respectively .