The total pollution level of groundwater caused by the leachate is increasing.
渗沥液对地下水的总体污染程度正在加重。
Studies on dynamics of microcystin pollution level in municipal water supplies.
城市供水藻毒素污染水平的动态研究。
According to the content, the pollution level of SO_2 in the air and the resistance of vegetables to SO_2 can be indirectly determined.
从植物叶片中的硫含量可间接地判断大气被SO_2污染的程度及植物对SO_2吸收与抵抗能力的强弱。
The inspecting principle, method and standard of pollution level in hydraulic oil and measures for protecting pollution are introduced.
介绍了液压油污染度检测原理、方法、标准以及防污染措施。
Thee average air pollution level for cities around the globe is 22 micrograms per cubic metre, according to the World Health Organisation (WHO).
据世界卫生组织（WHO）称，全球城市空气污染平均水平在22微克/立方米。
The result indicated the whole river was divided into several sections of different pollution level of water quality.
监测结果显示：整条江水质呈现出轻重不一的污染段面。
Based on large amount of data, this paper studies on the lead pollution level in particulate in the 4 cities of China.
在大量实验数据的基础上，研究了中国四城市空气颗粒物中铅的污染水平。
From the technical and economical point of view, it is important to select a proper type of insulators for different areas with different pollution level.
针对不同污秽地区，选择适宜型号的绝缘子作为防污措施在技术经济上是合理的。
The primary ways in which railway transport and highway transport have effects on urban environment and factors affecting traffic pollution level are discussed.
本文分析了铁路运输和汽车运输对城市环境的主要作用途径和交通污染水平的影响因素；
Both quantitative GC data of alkanes and HPLC data of PAHs indicated that organic pollution level was higher in Temple of Heaven site than that in Ming Tomb site.
GC定量分析正构烷烃的结果和HPLC定量分析多环芳烃的结果均显示，天坛站点的有机物污染浓度大于十三陵站点。
Monitoring data showed the Air Quality Index in most parts of the capital reached 500, the maximum pollution level, on Sunday, the third consecutive day of severe smog.
监测数字显示，周日，首都北京大部分地区的空气质量指数均达到500，即污染程度的最高上限，北京的雾霾天气已持续三天。
The observational results indicated that NO2 pollution level increased year by year, the O3 mass concentration increased and maximum value appeared ahead in the year of 2006.
结果表明：南京市环境空气NO2污染逐年增加，2006年O3质量浓度增大并且最大值的出现时间提前。
The effect of biofilm treatment is better than that of the traditional activated sludge treatment especially in low-pollution level of sewage treatment and short-term treatment.
使用炭纤维作为生物膜载体对污水的处理效果明显好于传统活性污泥法的处理效果，尤其是低污染程度污水处理及短时间处理中。
Conclusion: The lead, cadmium, mercury pollution levels in Ezhou food were generally lower, but aluminum pollution level was higher, so measures should be taken to assure food security.
结论：鄂州市食品中铅、镉、汞的污染水平总体较低，铝的污染比较严重的，应采取针对性措施，以提高食品安全性。
Conclusion: The lead, cadmium, mercury pollution levels in Ezhou food were generally lower, but aluminum pollution level was higher, so measures should be taken to assure food security.
结论：鄂州市食品中铅、镉、汞的污染水平总体较低，铝的污染比较严重的，应采取针对性措施，以提高食品安全性。
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