欧美黑白配一级视频

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聲波團聚技術

轉爐煉鋼是我國長流程鋼鐵生産工藝中最重要的工序過程。轉爐煉鋼在吹煉過程中産生以一氧化碳爲主體、含少量二氧化碳和其他微量成分的氣體，其中還夾帶著大量氧化鐵、金屬鐵粒和其他細小顆粒固體塵埃，對大氣和生産車間環境汙染嚴重。其汙染物的特點爲：煙氣中含塵濃度高、粒度細，汙染嚴重；煙氣溫度高，廢氣治理工藝中複雜性增加；廢氣治理中的熱能、一氧化碳和煙塵中的含鐵量都符合回收綜合利用的條件。2012年10月...

城市環境汙染與防治

随着社会高速发展的经济建设和城市化建设进程，城市環境汙染與防治相关问题越来越受到人们的关注。现如今全球生态环境面临各种危机如温室效应日益严重、臭氧层空洞、冰川日益消融、海平面上升、森林面积减少、乱砍滥伐现象严重、濒危生物物种消逝、酸雨现象扩散等。各种生态环境危机现象使城市環境汙染與防治工作显得越发重要，需要引起重点关注。

· 环保排放解决方案

適用範圍：卡車、巴士、工程機械、農業機械、建築機械等需配套SCR系統的領域。産品介紹：隨著人類對環保的重視，汽車行...

SNCR(选择性非催化还原)。英文名称 selective non-catalytic reduction选择性非催化还原是指无催化剂的作用下，在适合脱硝反应的“温度窗口”内喷入还原剂将烟气中的氮氧化物还原为无害的氮气和水。该技术一般采用炉内喷氨、尿素或氢氨酸作为还原剂还原 NOx 。还原剂只和烟气中的 NOx反应，一般不与氧反应，该技术不采用催化剂，所以这种方法被称为选择性非催化还原法（S...

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