選礦比 的英文怎麼說

中文拼音 [xuǎnkuàngbǐ]
選礦比 英文
concentration ratio
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 礦 : 名詞1. （礦床） ore [mineral] deposit 2. （礦石） ore 3. （開采礦物的場所） mine
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  2. Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted

    研究的主要結果具體如下： 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素，確定了浸出鋅浮渣的最佳條件為：液固比為6 ： 1 ，攪拌速度為250r min ，粒度為- 120目，酸浸時間為5 . 0h ，硫酸濃度30 ，鋅浮渣的浸出率大於92 . 0 ； 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上，提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法，並分析和討論了影響除錳率和除鐵率等各種因素，確定了除錳的條件為：溫度90 ， ph值5 . 4 ，反應時間3h ，過硫酸銨達到理論值的1 . 2倍，除錳率超過99 . 86 ；聯合法除鐵的條件為：氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5
  3. By being compared the adsorbent rate to tio2, the minerals ( diatomite, sepiolite, vermiculite, grammite, kaoline, bentonite ) has selected elementarily in the paper

    本文通過硅藻土、海泡石、蛭石、硅灰石、高嶺石、膨潤土等六種礦物對tio _ 2的吸附效果及吸附量的比較，對天然礦物進行了初步篩選。
  4. The cyclones with short cone are used for crude grading of minerals with heavier specific gravity in gold mines, sand gold mir. es and sulphur ore mines and have such advantages as small ground occupation, high capacity, high operating flexibility, low energy consumption and high movability etc

    短錐分選旋流器用於金礦、砂金礦、硫化礦等比重較大的礦物的粗選作業，具有佔地面積小，處理能力大，操作彈性大，能耗低，可移動性強等優點。
  5. As for fine - grained ta - nb mineral, the flotation is generally adopted, and effective collectors is fatty acids, arsenic acids, phosphonic acids, hydroximic acids and cationics

    對細粒鉭鈮礦，一般採用浮選，其中比較有效的捕收劑有脂肪酸類、胂酸類、膦酸類、羥肟酸類和陽離子型捕收劑。
  6. And the effects of ballmilling, floatation and weight - selection, acid treatment and heat treatment on the specific surface and adsorbability of the natural minerals have been studied further, especially on diatomite and sepiolite

    並進一步研究了球磨、浮選和重選、酸處理、熱處理等前處理對天然礦物的比表面和吸附性的影響，並著重討論了前處理條件對硅藻土和海泡石的吸附性能的影響。
  7. In this paper, a high performance sma system applied to steel bridge deck is put forth in allusion to the pavement project of the wuhan junshan yangtze river highway bridge. it comprises steel slab, zn coating layer, closing layer, adhesive, pre - mixed asphalt stone and dual layer sma from bottom to top. it is based on the fea results of the forces and deformation of the pavement layer by means of the algor feas, according to this bridge ' s traffic and the ambient temperature varying range of the pavement layer

    本文針對武漢軍山長江公路大橋鋼箱梁橋面鋪裝工程，從鋪裝層環境溫度變化范圍、交通量等使用條件出發，在用algorfeas有限元分析軟體分析鋪裝層受力變形基礎上，提出了（即鋼板+金屬鋅塗層+封閉層+粘接劑+預拌瀝青碎石+雙層sma ）的高性能鋼橋面sma鋪裝體系，並對這種sma的組成材料，包括改性瀝青、集料、礦粉、纖維進行了比較研究，設計了這種sma的配合比，對sma混合料的性能進行了對比試驗，對這種sma方案進行了疲勞性能研究，驗證了所選擇sma方案的可行性。
  8. 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。
  9. It is difficult to conform the derivations of the native heavy minerals, so the author assumes corresponding procedures as follows to accomplish the research task : firstly, according to the composition typomorphic peculiarities of minerals deriving from mantle, the author selected a part of minerals as preliminary reseach objects from the native heavy minerals and then further investigate the mantle ones and their host rocks in two ways : one is the method of comparation with the corresponding minerals of rocks deriving mantle in the research field and other places ; anorther is the method of multivariate statistical analysis

    本次工作為了盡可能地排除非幔源礦物的干擾，根據陳光遠（ 1990 ） 、潘兆櫓（ 1994 ）等學者有關礦物成分標型的論斷，篩選出地幔特徵元素含量較高的重砂礦物做為初步研究對象，為達到研究目的採取了如下方法：與區內已發現的幔源巖石（如鉀鎂煌斑巖等） 、國內外有代表性的堿性玄武巖、金伯利巖、鉀鎂煌斑巖的深源包體中的相應礦物進行對比研究的方法；多元統計分類的方法。
  10. The comparison study of the three belts indicates although they are distinct from each other all the three belts show many common features in the aspect of the metallogeny of large - rich vein uranium deposits, i. e : the important metallogenic areas are located above the old crystalline basement ; the paleo - rifting ( taphrogeny ) controls the development of the volcanic belt and at the same time it is favourable metallogenic tectonic environment ; the occurrence of uranium deposit does not depend on the lithology of volcanic rocks ; uranium metallogeny is obviously constrained by deep geologic processes and the connected fault - structural net is the necessary condition for the formation of large - rich uranium deposits

    對比研究表明，雖然它們各具特色，就脈型富大鈾礦床成礦作用而言，它們又具有較多的共性：重要成礦區的火山噴發皆奠基在古老的結晶基底上；古裂谷（或裂陷）既控制了火山巖帶的發育，又是有利的成礦構造背景；鈾礦賦存對火山巖的巖性沒有明顯的選擇性；鈾成礦的深部控製作用明顯；聯通的構造網路系統是形成富大鈾礦的必要條件。
  11. The majority of the gold appeared to be fine, or associated with low density gangue as only 33 % of the gold reported to a gravity concentrate which contained 8 % of the mass

    大多數金似乎為細粒或與低比重脈石連生，因為只有僅33 %的金進入了產率為8 %的重選精礦。
  12. Before and after test the samples were studied by the scanning electorn microscope to analyze and make a comparison between the microstructures, to grasp and reveal the mechanism of the gold transportation deposition and enrichment

    本項工作選擇了該區的礦化圍巖作三軸高溫高壓試驗，並對試驗前後樣品進行掃描電鏡研究，分析對比微觀組織，研究主要賦金礦物遷移、富集過程，從而了解和揭示金的遷移和富集機制。
  13. Abstract : taking single - rope drum wind as analysing object, the paper analyses safety coefficient of main rope using the dynamic state method under speed up, constant the speed, reduce the speed and emergency braking, change law is gotten comparing them with " mine safety standards ", points out existing problems and solving methods of safety coefficient in selecting and using rope in home

    文摘:以立井單繩纏繞式提升機為研究對象，從動態方面分析提升鋼絲繩安全系數，得出其在加速、等速、減速、緊急制動狀態下的變化規律，與我國《煤礦安全規程》的要求進行比較，指出目前國內選擇和使用提升鋼絲繩在安全系數方面存在的問題和解決辦法。
  14. The purpose of this subject was solving the problem of separation on working face. it can provide feasible source for separating coal and waste and some data for the choice of machine by researching the characteristics of waste rock and charcoal, i found a way to separate irregular waste rock from charcoal. by researching the strength of the irregular rock, got a strength equation for it and decided the feasibility by contrasting the regular assaying with the irregular assaying. in addition, using the theory of statistics, i can decide the suitable number of stylebook to ensure the feasibility of the experiment

    本課題主要是為了解決綜采工作面煤、矸分離問題，為煤、矸破碎分選提供可行性方法，為破碎分選機提供數據資料。通過對煤、矸各種特性的研究，找出一種能解決不規則煤、矸選擇性破碎分選的技術途徑。對不規則自然礦塊強度特性研究，找出一種計算不規則自然礦塊強度公式，通過規則試件與不規則試件的比較確定出其可靠性。
  15. Abstract : the reasonable processing technology for recovering iron minerals from tailings of low intensity magnetic separation was studied. techno - economic evaluation shows that spiral separation - belt magnetic separation flowsheet is optimal one

    文摘:分析了回收半氧化鐵礦石弱磁選尾礦中的鐵礦物的工藝流程，通過技術經濟的比較，提出了合理的選別工藝，達到了回收鐵礦物的目的。
  16. Pass possibility towards press spirit equipments open emerge a contrast test, pressed the spirit equipments to provide for right choice basis, bring upped the adoption many cents area independence provide the spirit with adopt the pit inside press the spirit to stand completely replace the current ground press what spirit stand to reform the project, and combine to synthesize the argument that project the technique with the economy ' s rationality that mines, the right similar term press the ref orming of spirit system to have the certain leading meaning

    通過對壓氣設備進行現場對比測試，為正確選擇井下壓氣設備提供了科學依據。從而，提出了採用多分區獨立供氣和建立井下壓氣站全面代替目前地面壓氣站的改造方案，綜合論證了該方案的技術可行性和經濟合理性。該研究方法和研究成果對類似條件的礦山壓氣系統改造具有一定的指導意義和推廣應用價值。
  17. On the basis of the statistical analysis of the annual production data of aoshan concentrator, the mathematical models for the relationship of the concentrate quality indexes ( concentration ratio, concentrate grade and recovery ) with run - of - mine ore grade and hourly throughput per unit were established and analysis of their relationship was made, which has a direct effect on guiding the concentrators production and ensuring the concontrate quality

    通過對凹山選礦廠全年生產報表數據的統計分析，分別建立了精礦質量指標（選礦比、精礦品位、精礦回收率）與原礦品位、臺時處理量之間的數學模型，並對其之間的相互關系作了分析，對指導凹山選礦廠生產、保證精礦質量有著直接的指導作用。
  18. Means of spss search possible combination of dosage of huangyao and dosage of 2 # oil when the combination of grade of concentrate and recovery is better, which can be used to guide dosage of mineral procession so as to improve benefit of mineral procession

    Spss的均值比較從選礦歷史數據本身出發，尋找精礦品位和回收率達到某一較佳的組合時可能的黃藥用量、 2 ~ #油用量的組合，用於指導選礦現場的藥劑用量，以其提高選礦效益。
  19. Our products are widely used for metallurgical, petroleum - chemical, light - textile, architectural, wood working, mineral - dressing equipment and food machinery as well as aerospace industry, etc. they can be used in architectural hoists, tower cranes, elevators, escalators, passenger conveyors, wood working machines, mineral - dressing for gold, continuous casting machinery, tube welding machinery, bottling machines, weaving machinery, universal machines, precision indexing and radar equipment, etc. as transmission devices for power transmitting or precision position driving

    本公司產品廣泛地應用於冶金石化輕紡建築木工選礦食品等機械設備以及航空航天等工業部門，比如可用在建築升降機塔吊電梯扶梯自動人行道木工機械黃金選礦連鑄機械焊管機械罐裝機械編織機械通用機械精密分度以及雷達等設備上作為傳遞動力或精確位置用的傳動裝置。
  20. The industrial test of stage grinding, gravity separation - high intensity magnetic separation and anionic reverse flotation technology in co. 1 workshop of qidashan concentrator is described and its comparision with the original flowsheet and the analysis are made. the effort that should be made in the flowsheet transformation under the existing conditions is suggested

    介紹了齊大山選礦廠一選車間階段磨礦、重選-強磁選-陰離子反浮選工藝工業試驗情況，並與原流程進行了對比和分析，指出了在現有條件下進行流程改造應加強的工作。
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