EPE and aluminum or aluminum film composite products with excellent anti ultraviolet ability, is some infrared chemical equipment cold storage and camping equipment auto shading substitute.
2
实践表明,采用生物硝化反硝化工艺可以有效解决废水中有机氮的脱除问题。
The practice demonstrates that biological nitrification and denitrification are able to give an effective solution to removal of organic nitrogen from wastewater.
3
分步进水序批式反应器(SFSBR)是一种依靠多步缺氧进水补充反硝化碳源的生物脱氮强化工艺。
The step-fed sequencing batch reactor (SFSBR) is a new type of the enhanced nitrogen removal system, characterized by a multiple anoxic feeding for supplying the organic carbon source to denitrifiers.