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檢(jian)(jian)(jian)(jian)驗翡翠(cui)玉石使用(yong)(yong)紫(zi)外(wai)(wai)線(xian)燈(deng)紫(zi)外(wai)(wai)線(xian)是電磁(ci)波譜(pu)中波長(chang)從10nm到400nm輻射的統稱,是不可見光(guang)(guang)線(xian),紫(zi)外(wai)(wai)燈(deng)的檢(jian)(jian)(jian)(jian)驗原理在于(yu)尋找被檢(jian)(jian)(jian)(jian)驗樣品(pin)(pin)中是否有產生熒(ying)光(guang)(guang)反應的物質。檢(jian)(jian)(jian)(jian)驗翡翠(cui)玉石用(yong)(yong)的紫(zi)外(wai)(wai)燈(deng)俗稱紫(zi)外(wai)(wai)分析(xi)儀、紫(zi)外(wai)(wai)檢(jian)(jian)(jian)(jian)測燈(deng)、紫(zi)外(wai)(wai)熒(ying)光(guang)(guang)燈(deng),是鑒別檢(jian)(jian)(jian)(jian)驗行業中*的工具(ju)之一。紫(zi)外(wai)(wai)熒(ying)光(guang)(guang)燈(deng)一般使用(yong)(yong)紫(zi)外(wai)(wai)線(xian)波長(chang)365nm和254nm的紫(zi)外(wai)(wai)燈(deng)管,通過照射翡翠(cui)樣品(pin)(pin),具(ju)熒(ying)光(guang)(guang)性的物質受高能的紫(zi)外(wai)(wai)光(guang)(guang)照射...
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液(ye)壓(ya)(ya)(ya)系統泄(xie)露是指液(ye)壓(ya)(ya)(ya)元件(jian)(jian)及系統的(de)(de)容腔(qiang)(qiang)內(nei)流動(dong)或暫(zan)存的(de)(de)流體,由(you)于(yu)壓(ya)(ya)(ya)力(li)(li)、間隙等(deng)問題,少量越過容腔(qiang)(qiang)邊界(jie),由(you)高(gao)壓(ya)(ya)(ya)側(ce)向(xiang)低壓(ya)(ya)(ya)側(ce)流出的(de)(de)一種現象(xiang)。通常(chang)這(zhe)類泄(xie)露可分(fen)內(nei)泄(xie)露與外泄(xie)露兩大類,內(nei)泄(xie)露是指工作介(jie)質從高(gao)腔(qiang)(qiang)向(xiang)低腔(qiang)(qiang)的(de)(de)泄(xie)露,如液(ye)壓(ya)(ya)(ya)傳動(dong)中油(you)(you)液(ye)自高(gao)壓(ya)(ya)(ya)腔(qiang)(qiang)向(xiang)低壓(ya)(ya)(ya)腔(qiang)(qiang)的(de)(de)泄(xie)露、從換向(xiang)閥(fa)內(nei)壓(ya)(ya)(ya)力(li)(li)通道(dao)向(xiang)回油(you)(you)通道(dao)的(de)(de)泄(xie)露等(deng),外泄(xie)露則是指工作介(jie)質從工作腔(qiang)(qiang)向(xiang)元件(jian)(jian)和系統外部泄(xie)露,如齒輪(lun)泵的(de)(de)斷面泄(xie)露、液(ye)壓(ya)(ya)(ya)油(you)(you)管...
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