本文对二氧化氯和臭氧消毒机理、氧化消毒特性及经济性等方面进行介绍分析。
In this paper, the mechanism of chlorine dioxide and ozone disinfection, oxidation and disinfection and features are introduced and analyzed.
针对国内内河轮机管理的现状，从安全性、经济性等方面对船舶的科学轮机管理进行了探讨。
Present situation manages which in view of the domestic inland river turbine, from aspects and so on security, efficiency has carried on the discussion to the ships scientific turbine management.
并从使用性能、经济性等方面与DHL型水管热水锅炉和DZL型水火管热水锅炉进行了比较。
DHL water-tube hot water boiler has been compared with DZL water-fire tube hot water boiler on the sides of operating performance and economy.
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