本研究揭示城市大气环境污染调控原理，并提出治理方案。
This study discloses urban environment pollution regulating-controlling principles and puts forward controlling and improving schemes.
介绍了臭气粉尘原位治理装置的组成、工作原理、优点、用途，以及该装置在环卫行业中的应用。
The composition, operational principle, advantage, function of in-situ treatment installation of odor and dust, and its application in environmental sanitation industry were introduced.
介绍了活性污泥法的基本原理，工艺流程、运行方式、存在问题及其在环境污染治理工程中的应用。
Introduced the active sludge method basic principle, the technical process, the movement way, the existence question and in the environmental pollution government project application.
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