Code for Indoor Environmental Pollution Control of Civil Building Engineering (GB50325-2001) is the main norm used for soil radon concentration measurement.
《民用建筑工程室内环境污染控制规范》(GB50325- 2001)是民用建筑工程土壤氡浓度测量方法的主要依据。
It has been difficult to really control water environment pollution by concentration control, with the pollution increasing dumped into water-body and people living standard improving.
随着排入水体的污染物的增多和人们生活水平的提高，污染物浓度的控制已难以真正控制水环境污染。
Results: The main channel of atmospheric pollution and the law governing the changes in concentration were summed up and a proposal for the control of air quality in the compartments was advanced.
结果：分析归纳了舱室大气污染的主要途径及浓度变化规律；提出了舱室大气质量控制建议。
The construction and applied condition of onedimension water quality model used extensively in concentration control of river pollution is analyzed and studied.
分析和研究了在河流污染浓度控制中广泛应用的一维水质模型结构和应用条件。
Through analysis of concentration change with time and space of mian air pollutants, some causes of the change regularity are expounded, being useful for pollution forecasting and control.
通过分析大气中主要污染物浓度的时空变化，阐明形成此规律的原因，对大气污染物的预测和防治具有一定意义。
Monitoring of particulate matter concentration is the basis for urban air quality evaluation and pollution control, and also very important for health effects assessment.
颗粒物浓度监测不仅是评价城市空气质量的基础，而且是进行城市污染控制与环境健康效应评估的重要依据。
Monitoring of particulate matter concentration is the basis for urban air quality evaluation and pollution control, and also very important for health effects assessment.
颗粒物浓度监测不仅是评价城市空气质量的基础，而且是进行城市污染控制与环境健康效应评估的重要依据。
应用推荐