VICKERS威格士V系列雙泵2525V-10A-21-1C22R齒輪泵
離心機在預冷狀態(tài)時，離心機蓋必須關閉，離心結束后取出轉頭要倒置于實驗臺上，擦干腔內余水，離心機蓋處于打開狀態(tài)。轉頭在預冷時轉頭蓋可擺放在離心機的平臺上，或擺放在實驗臺上，千萬不可不擰緊浮放在轉頭上，因為一旦誤啟動，轉頭蓋就會飛出，造成事故。轉頭蓋在擰緊后一定要用手指觸摸轉頭與轉蓋之間有無縫隙，如有縫隙要擰開重新擰緊，直至確認無縫隙方可啟動離心機。在離心過程中，操作人員不得離開離心機室，一旦發(fā)生異常情況操作人員不能關電源(POWER），要按STOP。
一味的降低蒸發(fā)溫度雖然可以制冷溫差，但壓縮機的制冷量卻減小了，因此制冷速度不一定快。何況蒸發(fā)溫度越低，制冷系數(shù)就越低，而負荷卻有增加，運轉時間延長，耗電量會增大。制冷系統(tǒng)排氣過熱：排氣過熱的原因主要有以下幾種：回氣溫度高、電機加熱、壓縮比高、反膨脹與氣體混合、壓縮溫升與制冷劑種類、冷凝壓力高。制冷系統(tǒng)吸氣溫度低：膨脹閥開啟度過大。由于感溫元件綁扎過松、與回氣管接觸面積小，或者感溫元件未用絕熱材料包扎及其包扎位置錯誤等，致使感溫元件所測溫度不準確，接近環(huán)境溫度，使膨脹閥動作的開啟度增大，導致供液量過多。
BABE池經(jīng)間歇曝氣后富含硝化菌的混合液、內回流與進水一起進入A/O工藝主流程，可實現(xiàn)充分的反硝化脫氮，強化了系統(tǒng)對氮的去處作用。生化聯(lián)合法物化方法在處理高濃度氨氮廢水時不會因為氨氮濃度過高而受到限制，但是不能將氨氮濃度降到足夠低（如1mg/L以下）。而生物脫氮會因為高濃度游離氨或者亞硝酸鹽氮而受到。實際應用中采用生化聯(lián)合的方法，在生物處理前先對含高濃度氨氮的廢水進行物化處理。：生物活性炭流化床，膜-生物反應器技術。
不過，目前的技術為：在發(fā)動機的使用范圍內測繪尾氣狀態(tài)，通過模型演算來推算NOx的吸收量，并求出RichSpide的開始時刻。由于該方法沒有直接測定尾氣中的NOx濃度，所以有必要驗證是否在在任何條件下都能正常發(fā)揮作用。另一方面，柴油發(fā)動機車型由于NOx和未燃碳是此消彼漲的關系，降低NOx的排放量，PM的排放量將增加，所以有必要使用NOx傳感器將NOx的排放控制在規(guī)定值，以便把PM的排放量降低到小。
A10VSO100:
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A10VSO10:
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A10VSO18:
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A10VSO28:
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A10VSO60:
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A10VSO71:
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AA10VSO100:
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AA10VSO140:
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AA10VSO71:
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tw-joly
