reduction refining 中文意思是什麼

reduction refining 解釋
還原精煉
  • reduction : n 1 縮小,減少;降級,降位;(刑罰等的)輕減;減速;減價,折扣。2 (城市、國家等的)陷落,投降,...
  • refining : 澄清
  1. Abstract : the leaching condition, separating principle and technological characteristics of recovering v, mo and ni from waste catalyst from oil refining are introduced with full hydrometallurgy, oxdation reduction method

    文摘:介紹了全濕法冶金「氧化還原」法提取煉油廢催化劑中釩、鉬、鎳的浸出條件、分離原理及其技術特點。
  2. Under the condition that the lower - layer elements and their dominating upper - layer elements are considered as the condition attributes and the decision attributes separately, the following problems are studied : refining of assessment index system, acquirement of index weight and the constructing of judgment matrix based on the reduction and the attribute importance theory in rough sets, which achieve the sufficiency use of field knowledge for analytical hierarchy process and decision support of the hierarchy problems for rough sets

    摘要將層次分析模型中下層因素與支配它的上層因素分別視為條件屬性和決策屬性,藉助粗糙集的約簡和屬性重要性理論,研究了融合粗糙集的層次分析法的指標體系的完善、指標權重的確定、判斷矩陣的構造等問題,實現了層次分析法時領域知識的利用及粗糙集對層次結構問題的決策支持。
  3. The company is specialized in producing of mesh - belt continuous sintering furnace 、 pusher - type high temperature sintering furnace 、 steel - belt iron powder refining reduction furnace ( electric - heating rbo furnace and direct gas - burning heating rbo furnace are also produced ) 、 pressure bell type furnace 、 carburizing quench furnace and some kinds of accessorial equipments

    目前生產項目有:網帶式連續燒結爐、推桿式高溫燒結爐、蒸汽處理爐、鋼帶式鐵粉還原爐(電加熱、氣體燃燒直接加熱rbo型均生產) 、加壓鐘罩爐、滲碳淬火爐及各種輔助設備。
  4. The first chapter elaborates on nine areas concerning oil and petrochemical businesses specified in wto entry agreement, such as reduction of tariffs, elimination of non - tariff barriers like quota license, governmental and non - governmental trade of crude and oil products, tariff quota on fertilizer imports, liberalization of distribution service, oil field service, transportation and warehouse service and specialized service for engineering. based on those areas, it makes detailed analysis of the influence from china ' s wto entry on the country ' s petroleum industry, including the in - depth discussion of oil refining business, distribution of oil products as well as the oil engineering and technical services, which are substantially under the influence of the country ' s access into wto. the first chapter also describes the challenges in such areas as china ' s oil industrial system and mechanism, management level, competitiveness, exploration and development technology and human resources

    第一章首先從關稅減讓、取消配額許可證非關稅壁壘、原油、成品油的國營貿易和非國營貿易、化肥的進口關稅配額和國營貿易、分銷服務的開放、油田服務、儲運和倉儲服務、與工程有關的專業服務等九個方面介紹了入世議定書中涉及石油石化的主要內容;然後就由此對我國石油行業所產生的影響進行了詳細的分析,對其中受到重點沖擊的煉油化工業務、油品分銷業務、石油工程技術服務等領域進行了深入探討;提出了入世對我國石油行業在體制和機制、管理水平、競爭能力、勘探開發技術、人力資源等六個方面的挑戰。
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