污染因子
- 网络pollution factor
![污染因子](../cache/1422841.jpg)
-
对Cu、Hg和Pb来说,降水是地表水中的一个污染因子。
To Cu , Hg and Pb , precipitation is a pollution factor of surface water .
-
近江牡蛎的Cu污染因子质量分指数最高达6.01。
Among them , the highest quality fraction of pollution factor in the oysters was 6.01 times of the limit standard .
-
流域的主要污染因子为TN、TP和COD。
The main pollution factors are TN , TP and COD .
-
Ba星系统的星风吸积及污染因子
Wind Accretion of the System of the Ba Star and the Contamination Factor
-
确定了转炉炼钢的重点污染因子是粉尘、烟尘和SO2等。
The dust , soot and SO2 were identified as the key pollutant factors .
-
通过调查沿河企业废水排放情况及水质特征,认为主要污染因子是pH值和盐度;
By investigating the wastewater discharge and wastewater quality in the enterprises along the river , pH value and salinity were the main pollution factors .
-
气田开发对浅层地下水环境的影响主要来自采输气田水,主要污染因子为COD、硫化物和氯根(Cl-)。
The main pollution sources of shallow groundwater are gas-field water in the gas-field exploitation process . The pollutants mainly include COD , sulfides and Cl - .
-
分析了西安市的环境污染因子与城市机动车拥有量的关系,通过回归分析的方法确定了其相关性显著的相关因子NOX,验证了理论分析的正确性。
In addition the research analyzes the relation between environmental factors and the amount of urban automobiles in Xi ' an ; finds the prominently relative factor-NOx , by regression analysis ; proves the theoretical analyses .
-
污染因子中以PM2.5、PM10影响最大,而SO2、NOx的影响相对较轻。
Among the polluted factors , PM 2.5 and PM 10 have the greatest impact , while SO 2 , NO x have relatively sight impact .
-
水污染因子有常规污染指标和特征污染物氟、砷及重金属离子;大气污染因子为SO2、硫酸雾和颗粒物。
The water pollution factors include conventional pollutants , characteristic pollutants fluorine , arsenic and heavy metal ion ; The pollution factors of air are sulfur dioxide , sulfuric acid mist and particulate .
-
根据对延河河水连续5a的水质污染因子测定数据,运用模糊数学方法对延河的丰水期、平水期和枯水期的水质现状进行了评价。
Based on water quality monitored data of Yanhe River for 5 years , water quality of abundant , usual and low water season was evaluated .
-
首先,通过静水试验,以浊度(主要污染因子)、pH、水温为监测项目,确定最佳混凝剂及其最佳投药量,并对其进行经济性评价。
Firstly , through the still water experiment , taking SS ( main pollution factor ), pH , and temperature as the monitoring items , determinates the best coagulating drugs and the best using dose , and carries on an economical appraisal to it .
-
结果表明:长江万州段主要的重金属污染因子为Cd,生态风险影响因子顺序为:Cd>Zn>Pb>Cu>Cr。
It is revealed that the main pollution factor is Cd . The sequence of ecological risk is Cd > Zn > Pb > Cu > Cr , and the potential ecological risk is Cd > Pb > Cu > Zn > Cr.
-
因COD、TN、TP等主要污染因子持续输入,河网主干流生态功能已严重退化,威胁辽东湾近海水质。
The mainstream river ecosystem function has been severely degraded by continuous input the COD , TN , TP and other major pollution factors , and threat to the Liaodong Bay and further into offshore water quality .
-
PM(10)是市近年来影响青岛市环境空气质量的主要污染因子,其次为SO2。市区冬季SO2污染负荷系数最大,污染比较严重。
PM_ ( 10 ) is the main pollution factor influencing Qingdao environmental air quality , the next is SO2 . In winter , the pollution load modulus of SO_2 is the most and pollution occurred is more severe comparatively .
-
空气颗粒物(PM10、PM2.5)、气体污染物(SO2、NO2、O3)及挥发性有机物是主要污染因子。
The primary pollutants are ambient particulates ( PM 10 , PM 2.5 ), Gaseous pollutants ( SO 2 , NO 2 , O 3 ) as well as volatile organic compounds .
-
本文主要介绍EM(有益微生物菌群)技术在糖厂废水中的应用,着重讨论各污染因子的污染指数及在整个EM菌处理过程中各污染因子的去除率。
In this paper , the application of EM ( Expedient Microbes ) technique for the liquid waste disposal in sugar refineries is introduced , and the pollution factor and its eliminating rate in the process of EM technique are discussed .
-
利用灰色系统理论对烟台市区大气环境污染因子(SO2、NOx、TSP)数据序列和大气质量综合指数数据序列进行灰色关联度分析,并预测了未来5年内烟台市区大气环境质量状况。
The Grey Correlation Analysis of atmospheric environment pollution factors ( SO2 , NOx and TSP ) in air quality index in Yantai was conducted with the Grey System Theory and the atmospheric environmental quality in future five years in Yantai downtown was predicted .
-
研究数据表明:该区As、Cu、Zn、Cd、Cr、Pb等6种重金属在土壤中的含量均低于背景值,而土壤中Hg含量严重超标,为该地区主要的土壤污染因子。
The data obtained indicated that the contents of Cu , Pb , Zn , Cr , Cd , and As in the soils were lower than their regional background values . However , Hg content in the studied soils greatly exceeded its background value , demonstrating significant soil pollution .
-
由模型中各污染因子的权重判断出可吸入颗粒物(PM10)为保定市空气质量的制约因子,且二氧化氮(N02)的权重逐步上升。
From the model of pollution factors determine the weight of respirable particulate matter ( PM10 ) air quality for the Baoding constraints factor , and nitrogen dioxide ( NO2 ) and gradually increase the weights .
-
以《土壤环境质量标准》(GB15618-1995)中土壤自然背景值标准为对照进行评价,全区各采样点的各项污染因子存在不同程度的超标现象,以铬和汞较为严重。
Comparing with the soil natural background value standard of " Soil environmental quality standard " ( GB 15618-1995 ), it is appraised that every pollution factor of each sampling point of whole district exceeds standard in varying degrees . In which chromium and mercury is relatively serious .
-
造成水质的主要污染因子是氨氮;
The main polluting element in water are ammonia and nitrogen ;
-
膜污染因子识别与凝胶层结构分析
Identification of Membrane Fouling Factors and Structure Analysis of Cake Layer
-
主要污染因子是总硬度、悬浮物;
The main polluted factors are general hardness and SP ;
-
我国河流水质评价污染因子选择方案探讨
The suggestion of selecting pollution items on water quality evaluation
-
潜在危害性指数法在筛选污染因子中的应用
Application of Potential Hazardous Index Method to Selecting Pollutant Factor
-
灰色模型在确定关键污染因子中的应用
Application of grey model in distinguishing the key pollution factors
-
大气环境质量关键污染因子及变化趋势的研究
Study on Air Environment Quality : Key Pollution Factors and Change Tendency
-
表层沉积物主要污染因子为有机质;
The primary pollutant of surface sediment is Organic matter .
-
改性土壤对矸石溶出液中主要污染因子的吸附特征
Adsorption characteristic of modified soil to the main pollution factors of Gangue Leaching