農(nóng)業(yè)部沼氣研究所擔(dān)負(fù)著國家有關(guān)農(nóng)村能源及環(huán)境保護方面重大基礎(chǔ)及應(yīng)用研究任務(wù),主要承擔(dān)以沼氣為主的農(nóng)村可再生能源以及農(nóng)村能源與農(nóng)村環(huán)境治理、農(nóng)業(yè)生態(tài)修復(fù)交叉領(lǐng)域的基礎(chǔ)和應(yīng)用基礎(chǔ)研究、前沿理論研究、重大關(guān)鍵共性技術(shù)研究等公益性科研工作以及相應(yīng)的技術(shù)示范服務(wù)、培訓(xùn)工作。
檢測中心中心是專業(yè)從事沼氣、太陽能、生物質(zhì)能等農(nóng)村可再生能源產(chǎn)品及設(shè)備質(zhì)量檢驗和檢測技術(shù)研究的檢驗機構(gòu)。
重金屬原義是指密度大于4.5g/cm3的金屬,重金屬在人體中累積達(dá)到一定程度,會造成慢性中毒,重金屬非常難以被生物降解,相反卻能在食物鏈的生物放大作用下,成千百倍地富集,最后進(jìn)入人體。重金屬在人體內(nèi)能和蛋白質(zhì)及酶等發(fā)生強烈的相互作用,使它們失去活性,也可能在人體的某些器官中累積,造成慢性中毒。
由于重金屬在人體內(nèi)是不可降解的,所以現(xiàn)在各行各業(yè)對重金屬檢測都非常重視,檢測中心其中有一項就是檢測里面重金屬的含量,檢測樣品首先是要在不能干擾實驗也就是不帶入重金屬污染,試用過很多臺樣品前處理設(shè)備,要不是研磨不碎樣品,要不就是順帶入重金屬,要不就是處理樣品達(dá)不到要求處理量。
上海凈信,是目前國內(nèi)唯一一家生產(chǎn)水平式組織研磨機,垂直式組織研磨機,三維一體式組織研磨機具有全系列生產(chǎn)線的生產(chǎn)廠家。是國內(nèi)多樣品組織研磨機的發(fā)明者,掌握核心科技。凈信系列組織研磨儀具有高速大振幅的中心軸,通過研磨珠在樣品管內(nèi)來回不規(guī)則撞擊及摩擦,形成空間三維立體的碰撞,保證了研磨珠于樣品的充分接觸。在幾十秒到一分鐘內(nèi)輕松實現(xiàn)樣品的研磨、粉碎、混合及細(xì)胞破壁
凈信公司工程師根據(jù)老師要求,結(jié)合實際需求,提出了用該公司研磨儀來解決的辦法,并且在實驗中達(dá)到了實驗的要求,得到了技術(shù)員一致的認(rèn)可。
研磨實例:
1.首先把樣品烘干水分,達(dá)到水分只有最多只有百分之5左右。
2.準(zhǔn)備好離心管,加入離心管二分之一量。
3.加入陶瓷研磨珠若干。把離心管放入凈信專用適配器中
4.再將適配器裝入凈信研磨儀中;
5.設(shè)定好相關(guān)參數(shù),啟動儀器至研磨程序結(jié)束,可得到如圖所示樣品。
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