key pollutant是什么意思

网络释义

用法例句

Using the day-to-day observation data of seven stations in the outskirts of Zhengzhou in 2006,the spatial and temporal distribution characteristics of PM10,SO2 and NO2 are analyzed,and the correlation between main pollutants and meteorological condition is also summarized.

选用郑州市城郊7个代表站2006年可吸入颗粒物PM10、二氧化硫和二氧化氮等主要污染物逐日浓度监测资料,分析了郑州市这3种主要空气污染物的时空分布特征及其与气象条件的相关性,并利用2001-2006年均浓度资料分析了主要污染物浓度的变化趋势。

The seasonal change characteristics of main pollutants including COD(cr),BOD5,NO3-N,NO2-N and volatile hydrozybenzene in the surface water of Zhuozhang River Valley in Shanxi were studied by water samples from 21 monitoring sections in low-flow period(May),high-flow period(August)and mean-flow period(October) from 1996 to 2000.

通过对浊漳河流域1996年～2000年21个监测断面的枯水期(5月)、丰水期(8月)和平水期(10月)地表水采样分析,研究了主要污染物CODcr、BOD5、NO3-N、NO2-N和挥发酚的季节动态变化特征。

The result showed that the predominant sources for particulate phase were vehicle emissions and coal combustion.

结果表明,广州大气中颗粒态多环芳烃主要来源是机动车尾气排放和燃煤,其中机动车为主要污染源,占了69%,其次为燃煤,占了31%。

By using the environmental monitoring data of late years, this paper expounds the varying tendency be-tween environmental indexes of main pollutants and discharge capacity of pollution sources in Taiyuan reach of Fenhe Riv-er, and makes preliminary analysis of relativity between ihem.

利用近年来的监测数据阐明汾河太原段污染现状及其主要污染物环境指标与污染源排放量的变化趋势,并对二者相关性进行初步分析,应用秩相关系数法对其作出进一步分析和检验,明确得出两者显著相关的结论,为汾河太原段污染治理提供科学依据。

China's main pollution industry resource and environment information sharing System was designed to effectively make use of the data on environment.

利用Web -GIS技术可以完成全国各省及重点城市主要污染行业资源环境信息数据同空间信息数据相结合的Web发布 ,在In ternet上实现了信息的完全共享。

The main pollution sources include: slag, sewage water, smoke, and tail gas.

主要污染物有矿渣，污水，烟气、尾气等。

More and more people are treating used material so that it can be used again.

垃圾是大城市的主要污染源。

The key pollution indicators are ammonia nitrogen and BOD.

主要污染指标是氨氮和生化需氧量。

Primary Pollutant Discharge by Region

各地区主要污染物排放情况

Consideration and Suggestions for the Discharge of Major Pollutants in Jixi District

鸡西市主要污染物减排的现状及对策

The major pollutant is TSP, now at air pollution tail gas style of motor vehicle has replaced coal soot style.

主要污染物是TSP，空气污染已由煤烟型向机动车尾气型转化。

Study on the Primary Contaminations and Their Pollution Characteristic in Total Suspended Particles(TSP) of Urumqi and Changji Area, China;

乌昌地区大气颗粒物中主要污染物的监测与其污染特征的探讨

Study on Estimation of Emission Capacity about Control Units Around Jiaozhou Bay in Qingdao

青岛市环胶州湾污染控制单元主要污染物排放容量估算

Key Pollution Indicator of Dian Lake in 2001 Unit: mg/l

2001年度滇池湖体主要污染指标值 单位:毫克/升

Discharge Amount of key Pollutants in Exhaust Emission in Recent Years in the Whole Country Unit: 10 thousand tons

全国近年废气中主要污染物排放量 单位:万吨

Combination contamination of heavy metals is one of important soil contamination types.

重金属复合污染是主要土壤污染类型之一。

Soil erosion is a main contributor to water pollution.

土壤侵蚀是水污染的一个主要根源。

The main cause of global warming is human pollution.

全球变暖的主要原因是人为污染。

The major sources of water pollution are industrial, municipal and agricultural.

水污染的主要来源是工业、都市和农业。

Investigation of Nitrate of Vegetables in Xinxiang Ares

新乡市主要蔬菜硝酸盐污染调查研究

Air pollution in Bangkok mainly comes from vehicle emission.

泰国曼谷的空气污染主要来自机动车。

The Evaluation about Traffic Noise of Central Roads in Harbin;

哈尔滨市主要道路交通噪声污染评价

Five main classes of pollutants are emitted into our air by a variety of sources.

从各种污染源中排放到空气中的污染物主要有五种。