acid leaching 中文意思是什麼

acid leaching 解釋
酸浸法
  • acid : adj. 1. 酸味的。2. 【化學】酸的，酸性的。3. 〈比喻〉尖酸刻薄的，易怒的。n. 1. 酸味物。2. 【化學】酸。adv. -ly ,-ness n.
  • leaching : 焊散漂出,熔出
  1. Effect of acid rain on leaching loss of nitrogen and phosphorus

    酸雨對紫色土氮磷淋失的影響
  2. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  3. Combining with practice of china ' s uranium ore heap leac hi ng, this paper proposes main ways and suitable technologies in the fields of emp hasizing feasib ility research, adop - ting strengthened technologies, improving equipment le vel, op timizing control technological factors and developing application range and so o n, which include adopting acid - curring and ferric sulphate - tric kle leaching process, bacteria heap leaching, countercurrent heap leaching, sele cting advanced material of heap bottom, developing large mechanized heap constru ction equipments and methods, popularizing drip i rrigation distributing solution, optimizing heap leaching process parameters, as we ll as developing recovery equipments suited to heap leaching, etc, in order to i n crease leaching rate, reduce heap leaching period and achieve more economic bene fits

    結合我國鈾礦堆浸實際，在重視堆浸可行性研究、採用強化堆浸技術、改進堆浸裝備水平、嚴格工藝條件及拓寬堆浸的應用范圍等方面提出一些有效途徑及適用技術，包括採用拌酸熟化-高鐵淋濾浸出、細菌堆浸、制粒堆浸、逆流堆浸，選用優質底墊層材料，研製大型機械化築堆方法和設備，推廣滴灌式布液，優化堆浸工藝參數，以及開發堆浸相配套的回收設備等，以提高浸出率、縮短堆浸周期，獲得更大的經濟效益。
  4. 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
  5. Management of n in agricultural ecosystem is one of the most essential factors for agricultural sustainability. injudicious use of nitrogen fertilizer has induced a crucial environmental problem, which includes volatilization of nox to the atmosphere, acid rain, induced leaching of soil nutrients, changes in the global n cycle, and nitrate pollution of groundwater

    農田生態系統中長期單一、過量偏施化學肥料特別是化學氮肥，造成農產品品質下降，肥料利用率低，不僅增加了農業生產成本，還嚴重污染環境，已成為農業可持續發展的一個重要制約因子。
  6. Electrochemical behavior of marmatite in sulfuric acid leaching

    鐵閃鋅礦在硫酸浸出過程中的電化學行為
  7. Combining the surface self - segregation behavior of amphiphile and salt - leaching technique, the ecm - like surface, with peo spacer combining amino acid ( rgd ), was successfully constructed in - situ on pdl - la 3d tissue engineering scaffold

    本論文的實驗結果在peo鏈長為2000分子量時對軟骨細胞的粘附與生長有最佳的作用。
  8. This paper introduced the improves of roasting - sodium processing and such pollution - free processing as acid leaching - extration, roasting in air - acid leaching - extration, liming roasting - alkali leaching on extraction of v2o5 from stone coal, the total recovery rate obtains enhances, the industrial application prospect is good

    摘要介紹了石煤提釩傳統工藝的改進以及酸法萃取、無鹽焙燒酸浸萃取、氧化焙燒堿浸等幾種從石煤無污染提取五氧化二釩的工藝流程，上述工藝不但生產過程無環境污染，釩的回收率還大有提高，是很有前途的清潔生產工藝。
  9. Extraction of copper from acid leaching solution using m5640 and tn

    從酸浸液中萃取銅試驗研究
  10. Dilute acid leaching with stirring scrubbing is the most optimum method, which can get three productions, dilute acid leaching solution, residue mixture and final product aluminum foil and copper foil

    而稀酸浸出? ?攪拌擦洗法能很好的達到分離目的，獲得三種產物：稀酸浸出液、混合黑渣和最終產品鋁箔、銅箔。
  11. Preparation of manganese sulfate by brewer grains and sulfuric acid leaching from manganese ore taillings

    硫酸浸取錳礦尾礦中錳制備硫酸錳工藝
  12. Study on reductive leaching of neutral leached residue in chloride system by high concentration acid and reductive agent at high temperature

    氯鹽體系中鋅焙砂中浸渣高溫高酸還原浸出研究
  13. Improvement of acid leaching technology of coal - series kaolin

    煤系硬質高嶺土超細工藝技術研究
  14. Research on process of manganese carbonate for soft magnetic ferrite produced by directly acid leaching of soft manganese ore

    軟錳礦直接酸浸生產軟磁鐵氧體用碳酸錳的工藝研究
  15. Atmospheric pressure dilute nitric acid leaching of gold from flotation concentrate

    金精礦常壓稀硝酸自循環氧化浸金工藝研究
  16. In this paper, the progress of in - situ leaching technique is summarized, the characteristics of in - situ weak - acid leaching technique of uranium are discussed, and the leaching mechanism and technology, layout size of injecting and pumping holes, selection and acidity of lixiviant, the determinations of acid consumption and leaching time for in - situ weak - acid leaching of uranium are studied

    摘要總結了地浸技術的發展，論述了低酸浸出采鈾技術的特點，對低酸地浸采鈾的浸出原理和工藝、鉆孔網度、浸出液的選擇及其酸度、耗酸量和浸出時間的計算進行了研究。
  17. Effect of acid leaching on rheological behavior of silicon nitride suspensions

    酸洗處理對氮化硅漿料流變行為的影響
  18. By calcining low humidity pelleted kaolin, a kind of metakaolin pellet, inside which the macroporous structure developed ， has been prepared. the structure remarkbly benifits reactant ion transference. so, the variety has high acid leaching reactivity, even coarse as the pellets are, its reaction kinetic is still maintained zero order up to a significant conversion rate

    在用鹽酸加熱浸取時，該類球粒內的鋁質組分表現出高酸溶反應活性，不同粒級的該類球粒有相似的浸出率時間曲線，且大部分鋁能被迅速浸出。
  19. Experimental research on increasing white degree of coating material made from coal gangue by acid leaching

    採用酸浸法提高煤矸石制取造紙塗料白度的試驗研究
  20. Study on the optimum reaction parameters of red soil acid - leaching

    紅土酸浸的最佳條件研究
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