secondary recovery 中文意思是什麼
secondary recovery
解釋
二次採油-
The characteristics and basic conceptions of waxen crude oil are detailed summarized, the technology of wax removal and inhibition, especially mechanism and field application in shengli oilfield of wax removal and inhibition in crude oil of microorganisms used for oil recovery are introduced, the directions of wax removal and inhibition in crude oil are mainly based on wax inhibition, wax removal is secondary
摘要闡述了含蠟原油及其特點、含蠟原油表徵的基本概念，詳細概述了原油清防蠟技術，重點介紹了微生物清防蠟的機理及其在勝利油田的礦場應用情況，提出了今後的原油清防蠟技術研究應以防蠟技術為主，清蠟技術為輔的總體方向發展。 -
Under the simple recovery model, file backups are essentially restricted to read - only secondary filegroups
但是，對于簡單模型數據庫而言，文件備份和文件組備份實質上局限於只讀輔助文件組。 -
Abstract : the original mineral of dading iron mine was processed by the technique which included pre - classification, dry magnetic separation to discard dirt, magnetic separation of the coarsely ground ore, scondary grinding and secondary magntic separation of the rougher concentrate, thus raising the processing quantity of the crude ore, reducing the grinding cost, with the grade of iron concentrate 65. 54 %, the recovery of iron 94. 11 %
文摘:採用預先分級、乾式磁選拋廢、粗磨磁選、粗精礦再磨再磁選的工藝流程處理大頂鐵礦原生礦，提高了原礦處理量，降低了磨礦成本，獲得鐵精礦品位65 . 54 、鐵回收率94 . 11的技術指標 -
Secondary recovery practice of remnant ore in hetai gold mine
河臺金礦殘礦資源二次開采實踐
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