well riser 中文意思是什麼

well riser 解釋
油井隔水管
  • well : n 1 井。2 泉水；源頭，來源。3 坑，穴，凹處；【礦物】礦井，豎坑；【軍事】（地雷的）井坑；【建築】...
  • riser : n. 起來的人；反抗者，起義者；【航空】起飛裝置；【機械工程】（鑄件）冒口；上升裝置；【建築】（梯級的）起步板，登板。 an early [a late] riser 起得早[晚]的人。
  1. Abstract : this paper has deduced a new method for risering ， ? parametric method. it has proved with the test curve of the british castin g p ractice commission. practical results have well perfected furt her the perimetrischen quotlent method for risering. a conclusion is drawn that rise r supplement shrink efficiency is directly proportion to the ratio of casting to riser perimetrischen quotient

    文摘:提出的冒口設計新方法?參數法，與英國鑄造實踐委員會給出的實驗曲線相互印證其實用性，進一步完善了冒口設計的周界商法；得出了冒口補縮效率與鑄件和冒口的周界商比值成正比的結論。
  2. Using fcc flow - reaction mathematical model and boundary condition developed in paper ( i ) and the operational constants in commercial fcc riser, the hydrodynamics of catalysts and the distribution of concentration of catalytic cracking products, as well as the temperature of two - phase along the riser are simulated and predicted

    運用已經建立的催化裂化反應的數學模型和模型邊界條件及求解方法，結合煉油廠工業提升管的實際操作參數，模擬預測了催化裂化提升管反應器內催化劑顆粒的流場特徵和原料油反應產物的濃度及氣粒兩相平均溫度的沿程分佈特徵。
  3. Marine riser is a steel or flexible pipe which transfer well fluids from the seabed to the surface

    採油管就是從海底輸送油氣至海面的鋼管或軟管。
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