The transformation regularity of chemical pesticide in soil was analyzed. It was important to predict its change tendency and control pesticide environmental pollution.
阐述了化学农药在土壤中的迁移转化规律，对于预测其变化趋势和控制农药环境污染具有重大意义。
Our agitators are used in all important branches of industry: chemical, pharmaceutical, print and lacquer, food and beverage, pollution control and waste water treatment.
我们的搅拌设备应用于各种重要工业如：化工，医药，印刷，油漆制造，食品，污染控制，和废水处理等。
The paper mainly describes the causes of indoor air chemical pollution and how to control it.
本文主要论述了室内空气化学性污染的成因以及如何控制污染的具体措施。
And in the chemical control, the potential application of Chitosan in prevention of heavy metal pollution in Marine sediments was introduced in detail.
化学治理技术中，较详细介绍了壳聚糖在治理海洋沉积物中重金属污染的潜在应用价值。
The reclamation and recycle of polystyrene foamed plastic waste not only can control pollution but also solve the problems of chemical energy sources.
将废弃的聚苯乙烯泡沫塑料回收利用既可解决它所带来的污染，又可缓解化工能源不足问题。
The practices of pollution control in pulping and papermaking and resource utilization of waste materials in Jiangmen Sugarcane Chemical Plant Co. Ltd are introduced in this paper.
本文论述了江门甘蔗化工厂（集团）股份有限公司的制浆造纸生产过程中的污染控制及废弃物资源化利用的情况。
To reduce the pollution caused by chemical control in greenbelt, kinds of pollution free pesticides including antibiotics and botanical pesticides have been screened out in recent years.
作者经数年工作，筛选出抗生素、植物性药剂等可杀死各类害虫且对环境不构成污染的农药。
Indoor air pollution has become a more and more serious problem. The paper mainly describes the causes of indoor air chemical pollution and how to control it.
室内空气污染已经成为当今社会越来越严重的问题。本文主要论述了室内空气化学性污染的成因以及如何控制污染的具体措施。
According to the concept and harm of air pollution, we exploit the physical and chemical technology control measures of atmospheric pollution control.
本文主要是从大气污染的概念和危害角度，研究了大气环境化学污染防治的物理与化学等技术防治措施。
Chemical pesticides are the main measures to control plant disease presently, which can make environmental pollution, pathogens drug-resistant and do harm to non-target organisms.
目前化学农药仍是防治植物病害的主要措施，但存在着易造成残留污染、诱发病原菌抗药性和伤害非靶标生物等不利影响。
In order to protect the public water system from chemical herbicides pollution, biological method has been suggested to control the growth and the reproduction of this weed.
为了避免化学除草剂对水体的污染，生物防治已成为当前水葫芦治理的重要方向。
In order to protect the public water system from chemical herbicides pollution, biological method has been suggested to control the growth and the reproduction of this weed.
为了避免化学除草剂对水体的污染，生物防治已成为当前水葫芦治理的重要方向。
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