一、不同的(de)氣體分(fen)析技(ji)術(shu)比(bi)較1、氣體分(fen)析技(ji)術(shu)介紹(1)人工(gong)(gong)采(cai)樣(yang)(yang)法(fa)傳統的(de)分(fen)析方法(fa)如(ru)化學分(fen)析法(fa)、氣相色(se)譜法(fa)較多(duo)采(cai)用人工(gong)(gong)采(cai)樣(yang)(yang)法(fa)。人工(gong)(gong)采(cai)樣(yang)(yang)法(fa)的(de)特點是采(cai)用人工(gong)(gong)取(qu)樣(yang)(yang)的(de)方式,抽(chou)......
風扇(shan)簡(jian)介:風扇(shan)的結構(gou):轉子(zi)(zi):由磁鐵、扇(shan)葉及(ji)(ji)軸組成;定子(zi)(zi):有硅鋼片、線(xian)(xian)圈及(ji)(ji)軸承組成;控制電路(lu):由IC感(gan)應磁鐵N.S.極經由電路(lu)控制其線(xian)(xian)圈導通而產生(sheng)內部(bu)激磁使(shi)轉子(zi)(zi)旋......