与其他生物处理工艺相同，生物转盘的净化反应包括：有机物的氧化分解、硝化、脱氮等。
Like other biological treatment process, the purified reaction of RBC includes: oxidation and decomposed of organic substances, nitration, denitrification and so on.
催化燃烧与汽车尾气净化反应对催化剂的共同要求是具有良好的低温活性和高温热稳定性。
The common requirements for catalyst materials in methane combustion and automotive exhaust purification are higher low-temperature activity and high-temperature stability.
生态系统的自我净化能力也会引起连锁反应。
The ability of some ecosystems to clean themselves up can also cause knock-on problems.
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