selective reduction of no
selective reduction of no
选择性还原no
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This dissertation studied the activity of manganese oxides catalyst supported by palygorskite catalyst in lower temperatures for selective catalytic reduction of NO and its physic-chemical properties.
本文研究了凹凸棒石负载锰氧化物催化剂的物理化学性能和低温选择性催化还原NO性能。
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