Must use solid content filter to remove system of particles of pollutants.
必须采用固体物过滤器除去系统中的颗粒污染物。
The changing law of re-aeration is of great importance for predicting and evaluating the oxygen content in water and the self-purification process of organic pollutants.
水体复氧规律的研究对于预测和评价水中溶解氧含量，确定有机污染水体的自净过程具有重要意义。
Content of air pollutants of leaves of planting trees can show degree of air pollution, ability of remediation, and absorbability of planting trees for air pollutants.
植物叶片内大气污染物含量既可反映大气污染的水平，又可反映植物对大气污染的修复吸滞能力。
The content of air pollutants in the leaves of planting trees can reflect degrees of air pollution and ability of absorbability of planting trees for air pollutants.
植物叶片内大气污染物含量既可反映大气污染的水平又可反映植物对大气污染的修复吸滞能力。
The content of soil pollutants in the studying area is tapering off with lasting dreg field blowdown ditching.
研究区土壤中的污染物含量随着与弃渣场排污沟距离的增大呈递减的趋势。
Using GC/MS technology, the relative content of various organic pollutants was analyzed to discover the transfer and degradation law in the oilfield wastewater in biological treatment process.
运用GC/MS技术分析油田废水有机污染物在工艺流程中相对组分变化的规律，揭示了水解酸化-好氧法处理油田废水过程中的污染物迁移和降解规律。
The pollutants from intensive pig farms content dung and urine, producing stench as well.
集约化猪场的污染物除了粪、尿以外，还有臭气。
Set device for exposure to increase the oxygen content in water and the activity of beneficial microorganisms, as well as their action of absorbing, oxidizing, decomposing and reducing pollutants.
设置曝气装置，增加水体的含氧量，促进有益细菌及其他微生物的活动，增强其对污染物的吸附、氧化、分解和还原的作用。
Set device for exposure to increase the oxygen content in water and the activity of beneficial microorganisms, as well as their action of absorbing, oxidizing, decomposing and reducing pollutants.
设置曝气装置，增加水体的含氧量，促进有益细菌及其他微生物的活动，增强其对污染物的吸附、氧化、分解和还原的作用。
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