high grade ore 中文意思是什麼
high grade ore
解釋
富礦-
Abstract : to the principle and project that tu guangazhi proposed in 1990, the gold ore deposits in qinling ( shaanxi ) may be classified into fouowing types : archean high - grade gneiss type, fine grained fragmental rock - carbonate rock - silicilith type, metamorphic fragmental rock type, volcanic rock type, explosive breccia type, intrusive rock exo - and endo - contact zone type. inthis paper, the geological characteristics, metallogenic geological setting, the source of ore - forming materials, digenic mechanism and metallogenetic epoch of gold ore deposits are also discussed
文摘:參照塗光熾先生（ 1990 ）提出的礦床類型劃分原則與金礦分類方案，將陜西秦嶺地區原生金礦劃分為太古界綠巖建造型、細碎屑巖-碳酸鹽巖-硅質巖建造型、變質碎屑巖型、火山巖建造型、隱爆角礫巖型和侵入巖內外接觸型金礦，並對各類型金礦的地質特徵、成礦地質背景、成礦物質來源、礦床形成機制及形成時代等問題進行了論述和討論。 -
The 6 - s table has the merit : the high - grade ore scaled, the classification efficiency high, safeguards easily, and advantageous for the adjustment stroke
搖床具有富礦比高，選別效率高，看管容易，便於調節沖程。 -
Based on geochemical technical tests conducted in the yanzidong ore block, western yunnan, the authors used the hydrochemical survey as the grade 3 inspection method for high canyon target areas, and rearranged the methods for routine stream sediment survey and soil survey
摘要根據在滇西燕子洞礦段的化探方法技術試驗研究結果，將水化學測量作為高山峽谷區靶區三級查證的方法，並對常規水系沉積物測量、土壤測量的工作方法進行了調整。 -
But they sold high - grade resources to big investors and stopped prospecting, leaving low - grade gold ore unused
他們常常把高品位的資源賣給大投資商，卻置低品位的金礦石而不顧，讓它荒棄掉。 -
The project content : with the high - grade ore concentrate of rare - earth and the selecting of the advanced extraction separation production technics, the work processes ore concentrate 3, 000 tons per year and produces the high - purity oxygen cerium ( reo99. 99 % ) and the series products
項目內容：用高品位稀土精礦，選用國內外先進的全萃取分離生產工藝，年處理稀土精礦3000噸，生產高純氧化鈰（ reo99 . 99 % ）及系列產品。 -
Using l - sx - ew technology to treat low - grade copper ore, which can produce high quality 1 # cathode copper
摘要採用浸出萃取電積工藝處理難選低品位銅礦，可產出高質量的1 #陰極銅。 -
Abstract : according to the variation in content of characteristic radioactive nuclide and the close relationship between high - grade associated elements in ore - forming components and gold, the ground gamma - ray spectrometry and x - ray fluorescence slectrometry can be used to reveal the existence of gold mineralization rapidly in field and make semi - quantitative evaluation of gold grade. this is of great significance in guiding field geological sample collection and mountain land engineering
文摘:通過測定特徵放射性核素的含量變化以及利用成礦組分中一些高品位共生元素與金密切的相關關系，可利用地面伽馬能譜與x熒光測量在現場快速揭示金礦化的存在，同時對金的品位進行準定量評價，以及指導野外地質采樣和山地工程。
分享友人