采用该方法处理印制电路板低铜含量的含铜废水优于采用传统的化学处理法。
It also shows that PCB wastewater containing low content of copper is treated with this kind of method better than with traditional chemical method.
现代污水处理技术，按原理可分为物理处理法、化学处理法和生物处理法三类。
Modern wastewater treatment technology, according to the principle can be divided into physical treatment method, chemical processing method and biological treatment method with three types.
介绍了目前印染废水处理行业中常用的生物化学法和物理化学处理法，对其原理、应用及最新研究方向作了重点描述。
To introduce the current common treatment technologies, bio-chemical treatment and physicochemical treatment, also the principle, application and newest research of them.
介绍了直流机组常用的水化学工况，并着重分析了直流机组联合调节水处理法的主要优点。
Water chemistry condition in common use is introduced and main advantages of integrated regulation water treatment method on once-through unit are analyzed emphatically in this paper.
在实验室探索了化学热处理法降蜡的可行性。
The method of dewaxing by thermal treatment in laboratory was studied in this paper.
物理水处理法其处理效果总体看不如化学水处理法，其理论研究和应用技术的开发值得专业人员不断探索。
As for physical treatment is not as effective as the chemical treatment, so there is a long way to go for the professionals to further its theoretical study and technical application.
含酚废水的处理方法较多，有物理、化学和生物处理法。
The treatment methods of wastewater contained phenol are more, including physical, chemical and biological treatment method.
通过等离子体处理法、氧化法等各种物理和化学的方法对UHMWPE纤维表面进行改性处理，可不同程度改善其耐热、界面、抗蠕变等弱性。
The weak heat resistance, interface and creep resistance of the fiber can be improved differently by the surface modification using various physical and chemical methods such as plasma and oxidation.
按其原理来分，预处理方法可分为物理预处理法、化学预处理法以及中间层法。
The methods could be divided into physical pretreatment methods, chemical pretreatment methods and interlayers method according to their principles.
按其原理来分，预处理方法可分为物理预处理法、化学预处理法以及中间层法。
The methods could be divided into physical pretreatment methods, chemical pretreatment methods and interlayers method according to their principles.
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