The outstanding performance in antioxidation and anti - cautery extended the duration of all the parts in transmission.优良的抗氧化能力及抗腐蚀能力,延长所有传动部件寿命.The mechanism of synthetic diamond antioxidation is also discussed.同时,探讨了人造...
研究了反硝化除磷工艺的运行效果.A denitrifying dephosphatation process was operated in this study.考察了SBR生物 除磷工艺模型中活性污泥的微生物组成及其在该除磷系统中的功能.Microorganisms of the activated sludge in SBR phosphorus removal system and their functions have be...