riser efficiency 中文意思是什麼

riser efficiency 解釋
冒口效率
  • 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。
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  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. Our work is only an attempt about the study on the application of piv techniques and numerical simulation in the dense gas solid flow of the circulating fluidized beds. the results show that the accuracy and efficiency of the piv techniques and numerical simulation method on the test and prediction of the hydrodynamics of the gas solid in circulating fluidized beds riser

    本文的研究工作是對piv技術應用於循環流化床內氣固多相流動特性測試和數值模擬的嘗試，所取得的結果表明piv技術和數值試驗方法在測試和預測氣固多相流動特性方面的準確性和有效性。
  3. In a square - section desulfurizing csb, in order to overcome the defects mentioned above and to improve the desulfurization efficiency, the wedge - type internals were symmetrically mounted at the middle of the height of the riser

    今在過去實驗的基礎上，利用方形截面床內構件簡單易實現的優點，在床中部安裝對稱構件，考察對稱內構件對兩相流動行為的影響。
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