1) chemical control
化除
1.
Occurrence characteristics, causes and chemical control of weeds in wheat-interplanted rice fields with super-high stubble;
超高茬麦套稻田杂草发生特点、成因及化除策略
2) descaling
[di:'skeiliŋ]
除垢，除氧化
3) chemical phosphorus removal
化学除磷
1.
The chemical phosphorus removal for anaerobic rich phosphate supernatant of municipal sewage treated by MB(A2/O) reactor was studied;and its mechanism and character of the process were analyzed.
研究了MB(A2/O)反应器处理城市污水厌氧富磷上清液的化学除磷,并分析了过程机理及特性。
2.
Therefore, a productive experiment of chemical phosphorus removal by add.
65mg/L,但出水TP仍无法达标,为此开展了向曝气池投加亚铁盐进行化学除磷的生产性试验。
3.
The process of biological nitrogen removal and supplemental chemical phosphorus removal can be used to treat municipal wastewater with low carbon and high nitrogen and phosphorus to satisfy the discharge standards for both nitrogen and phosphorus.
对于低碳、高氮磷的城市污水,可采用生物脱氮并辅助化学除磷的工艺进行处理,以使氮、磷同时达到排放标准。
4) purification
[英][,pjurifi'keiʃən] [美][,pjʊrəfə'keʃən]
净化除尘
1.
Study on flue gas purification for obturating furnace of calcium carbide;
密闭电石炉烟气净化除尘技术研究
5) materialization phosphorus removal
物化除磷
补充资料：化除
消除（多用于抽象事物）：～成见ㄧ一经解释，疑虑～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条