grade of ore 中文意思是什麼

grade of ore 解釋
礦石品級
  • grade : n 1 等級,級別;階段;程度,標準,水平。2 〈美國〉(中小學的)年級;某一年級的學生。3 〈pl 〉 〈...
  • of : OF =Old French 古法語。
  • ore : n. 礦;礦砂,礦石;〈詩〉金屬(尤指貴金屬)。 be in ore 含有礦物。n. (pl. ore)1. 歐爾〈瑞典貨幣單位,等於1/100克朗〉。2. 歐爾硬幣。
  1. Experiment study of preparing active cuprous chloride from low grade copper ore

    低品位銅礦制備活性氯化亞銅
  2. This thesis primarily makes below the work of a few aspects : ( 1 ) the method to append the section line in the geological section plane and the geological plane graph intersected each other ; ( 2 ) the principle and method that automatic determinate of orebody on transverse section with the neural network theory was presented, and draw the slippery boundary of ore ; ( 3 ) the method that drawing the surveying well and lane way engineering in the geological and survey graph ; ( 4 ) the method to automatic calculation and statistics output ore reserves and grade ; ( 5 ) the method that automatic creating the geology cross section of the hole ; this thesis realizes automation for managing geological graph based on the substantive research work

    本論文主要作了以下幾個方面的工作: ( 1 )提出了在相交平面圖和剖面圖中添加剖面剖切線的方法; ( 2 )提出了應用人工神經網路理論確定剖面中礦體界線的理論和方法以及礦巖界線圓滑的原理與方法; ( 3 )實現了礦山生產實測工程數據處理與地測圖件的有機結合; ( 4 )實現了礦塊地質品位和儲量的自動計算和統計輸出; ( 5 )提出了中深孔炮孔排面地質剖面圖自動剖切的原理和方法。本論文在大量研究工作基礎上,實現了地測圖件管理的計算機自動化。
  3. New method to evaluate low grade iron ore deposit of turkey

    土耳其低品位鐵礦床的新評估方法
  4. This machine can triturate wet or all kinds hard grade of ore and ofther material, especially can make many sizes sands

    適用於濕法細碎,粗磨各種硬度的礦石及其他物料,特別適用於人工造沙過程中調節細度模數。
  5. 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。
  6. Based on an analysis of dynamic conditions for migration and precipitation of gold grains in water system and their diffusion in soil, this paper has advanced a discriminant formula for surfacce ore potential of gold anomalies from 1 : 50000 stream sediment survey, recounted methods for estimating the highest gold grade ores within the anomalies, calculated the discriminant indices for qinba area, and summed up index characteristics of ore - induced gold anomalies in 1 : 10000 soil survey, estimation formulae for orebody location as well as coefficients and constants of slope angles of various orders and grades

    摘要在分析金粒在水系中運移、落淤和在土壤中擴散動力條件的基礎上,本文建立了五萬分之一水系沉積物測量金異常地表含礦性的判別公式,闡述了推算異常內礦石最高金品位的方法並計算了秦巴地區的判別指數;總結出萬分之一土壤測量礦致金異常的標志特徵、礦體定位的估算公式及各級次地形坡度角的系數和常數。
  7. An iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物,可獲得鐵品位大於20 %的含鐵物料,用此物料代替部分粘土質原料生產硅酸鹽水泥,使礦山尾礦排放量減少至43 . 52 % ,鐵的回收率由70 . 89 %提高到84 . 62 % ,並且減少了水泥生料配料中鐵礦粉的用量,降低了生料粉磨能耗。
  8. The practice of raising the grade of mined ore in taochong iron mine

    原地浸出采礦中溶浸劑的作用機理與流動特性
  9. The key studied areas are the paishanlou, daban, dayintaogou, wujiazi gold deposits. in terms of the study of regional structures, geophysics, and geochemistry, and necessary tectono - physical and numerical modeling, as well as studies of ore - forming and ore - controlling structures, the author holds that the detached - ductile sheari ng zone of the metamorphic core complex is the main ore - controlling structural system, and the regional mineralization is related with the regional ore - forming structural systems which are controlled by compounding of regional structural systems with different time and grade

    重點以排山樓、大板、大櫻桃溝、五家子等金礦礦田構造調查為基礎,以區域地質構造、地球物理、地球化學研究為背景,輔以成礦構造物理模型、數學模型,通過成礦構造、控礦構造研究,將本區金礦的成礦構造確認為變質核雜巖拆離滑脫剪切帶,並且是與區域成礦構造系統相聯系,在不同時期、不同級序、不同力學性質構造體系成分復合條件下成礦。
  10. In order to obtain the stability of ore grade, two aspect works we should do : ( 1 ) enhancing the management in the loss mine and the increasing rock ; ( 2 ) reasonable ore blending

    確保出礦品位的穩定主要有兩方面的工作:一是加強損失貧化管理;二是合理配礦。
  11. The article introduces the basic concepts and common methods of fuzzy mathematics, initially discussing the applications of fuzzy mathematics in the following aspects : 1 ) division of " skidding " strata with grade of membership that are drilled with diamond bits ; 2 ) comprehensive evaluation on the application in evaluation of diamond bits, classification of rock drillability, and evaluation of clay ; 3 ) classification of " hard rock " through fuzzy clustering analysis ; 4 ) estimation of completion time of boreholes and evaluation of underg round water with fuzzy mathematics ; 5 ) identification of new ore areas and option of best water resource area with fuzzy model ; 6 ) option of diamond bits and evaluation on oil field development plan with fuzzy resemble option and the improved calculation method ; ? ) prediction of mud slurry performance and of the amount of surging water in ore pits with fuzzy control ; 8 ) comprehensive evaluation of diamond bits and supporting plan of deep foundation pit with fuzzy optimal theory

    初步探討了以下幾方面的應用: 1 )用隸屬度劃分金剛石鉆進「打滑」地層; 2 )綜合評判在金剛石鉆頭評價、巖石可鉆性分級及鉆探造漿粘土評價中的應用; 3 )用模糊聚類分析進行「硬巖石」分類; 4 )用模糊數進行鉆孔竣工時間預估及地下水質評價; 5 )模糊模式識別在新礦區類型識別和最佳水源地選擇中的應用; 6 )模糊相似選擇及其改進演算法在金剛石鉆頭選擇和油田開發方案評價中的應用; 7 )模糊控制在泥漿性能和礦坑涌水量預測中的應用; 8 )優化理論模型在金剛石鉆頭和深基坑支護方案綜合評價中的應用。
  12. Abstract : an iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    文摘:用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物,可獲得鐵品位大於20 %的含鐵物料,用此物料代替部分粘土質原料生產硅酸鹽水泥,使礦山尾礦排放量減少至43 . 52 % ,鐵的回收率由70 . 89 %提高到84 . 62 % ,並且減少了水泥生料配料中鐵礦粉的用量,降低了生料粉磨能耗。
  13. The computer program may assist decision - making in the way of helping decision - makers to select scientificaly the average grade of ore in pithead heap - leaching mining under a total cost

    利用該經濟評價模型開發的計算機軟體,可以進行輔助決策,幫助決策人員科學地確定某一開發成本下坑口堆浸的礦石平均品位。
  14. When the crude ore contains copper 1. 84 %, the technical indexes such as the grade of copper concentrate 22. 37 % and the recovery 78. 70 % are obtained by use of single - stage grinding, one time of roughing, three times of scavenging and two times of cleaning

    當原礦含銅1 . 84 %時,經過一段磨礦、一次粗選、三次掃選和二次精選,獲得銅精礦品位22 . 37 % 、銅回收率78 . 70 %的技術指標。
  15. 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
  16. They are respectively named cut - off grade, marginal grade, economic grade and the average grade of an ore deposit

    這4項品位指標依次為邊界品位、邊際品位、經濟品位和礦床平均品位。
  17. Utilization of low grade bauxite ore in pingguo nadou mine area

    平果那豆礦區低品位鋁土礦的利用
  18. The grade, tonnage and distribution of sandstone all show fractal structure features. the fractal dimension is 1. 13, 1. 15 and 2. 67 for average grade, tonnage and grade vs tonnage of sandstone copper deposits in the world respectively, and 0. 911 for the distribution of cu - bearing basins in south china, and 0. 932 for the distribution of sandstone copper deposits in kangdian region. the prospective reserve of sandstone copper deposits in main cu - bearing basins is predicted using a fractal model, which shows good prospects of ore potentiality in the central yunnan basin, the western yunnan basin, the huili basin, sichuang, the hengyang basin and the yuanma basin, hunan. 6figs., 1tab., 4refs

    砂巖銅礦床的品位、噸位及空間分佈具有分形分佈的特徵.世界主要砂巖銅礦床的平均品位、噸位和品位與噸位關系的分維值分別為1 . 13 、 1 . 15和2 . 67 ;我國南方含銅盆地和康滇地區砂巖銅礦空間分佈的分維值分別為0 . 911和0 . 932 .利用礦床的分形模式對主要含銅盆地的砂巖銅礦遠景進行了預測,結果表明滇中、滇西、會理、衡陽和沅麻等盆地還有較大的找礦前景.圖6 ,表1 ,參4
  19. Abstract : the grade, tonnage and distribution of sandstone all show fractal structure features. the fractal dimension is 1. 13, 1. 15 and 2. 67 for average grade, tonnage and grade vs tonnage of sandstone copper deposits in the world respectively, and 0. 911 for the distribution of cu - bearing basins in south china, and 0. 932 for the distribution of sandstone copper deposits in kangdian region. the prospective reserve of sandstone copper deposits in main cu - bearing basins is predicted using a fractal model, which shows good prospects of ore potentiality in the central yunnan basin, the western yunnan basin, the huili basin, sichuang, the hengyang basin and the yuanma basin, hunan. 6figs., 1tab., 4refs

    文摘:砂巖銅礦床的品位、噸位及空間分佈具有分形分佈的特徵.世界主要砂巖銅礦床的平均品位、噸位和品位與噸位關系的分維值分別為1 . 13 、 1 . 15和2 . 67 ;我國南方含銅盆地和康滇地區砂巖銅礦空間分佈的分維值分別為0 . 911和0 . 932 .利用礦床的分形模式對主要含銅盆地的砂巖銅礦遠景進行了預測,結果表明滇中、滇西、會理、衡陽和沅麻等盆地還有較大的找礦前景.圖6 ,表1 ,參4
  20. The stability of ore grade can improve the capability of mineral processing and increase the resources " recovery rate

    礦石出礦品位的穩定可提供最佳選礦性能,提高資源的回收率。
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