方錳鐵礦 的英文怎麼說

中文拼音 [fāngměngtiěkuàng]
方錳鐵礦 英文
bixbyite
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 錳 : 名詞[化學] manganese （25號元素, 符號 mn）
  • 鐵 : Ⅰ名詞1 （金屬元素） iron （fe） 2 （指刀槍等） arms; weapon 3 （姓氏） a surname Ⅱ形容詞1 （形容...
  • 礦 : 名詞1. （礦床） ore [mineral] deposit 2. （礦石） ore 3. （開采礦物的場所） mine
  • 鐵礦 : iron ore; plumboniobite; iron mine
  1. According to the electron probe analyses and other data, some conclusions have been reached as follows : the modes of occurrence of associated silver include minerals of stephanite, bromargyrite, ag - sb - tetrahedrite, electrum etc., which occur as small grains among or between fe - mn minerals

    利用電子探針等測試方法對錳礦石中伴生銀的賦存狀態進行研究，初步查明銀主要是以脆銀礦、溴角銀礦、銀銻黝銅礦、銀金礦等礦物形式存在，呈微小顆粒狀被包裹于鐵錳礦物內或礦物間隙里。
  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. Iron ores - methods for determination of manganese content

    鐵礦石.錳含量測定方法
  4. 90. 95. the phase transformation temperature of the natural cryptomelane was about 635. 5 examined by tga and dta and the cryptomelane was changed to bixbyite at a higher temperature. these studies reveal the significant features of cryptomelane for the potential application in the environmental materials science

    K 3 . 37 % 4 . 17 %差熱熱重分析表明天然錳鉀礦的結構熱穩定性較好， 635 . 5時相轉變為方鐵錳礦。
  5. Abstract : china situation was mentioned that imported manganese ore processing trade has been heavily suporting its manganese base ferroalloy industry. after analysis of present trade ways and problems faced, the countermeasures for developing china manganese base ferroalloy industry were pointed out too

    文摘:論述了目前我國進口錳礦加工貿易對錳系鐵合金工業的重大支持作用，分析了目前進口錳礦加工貿易的方式和存在的問題，提出了發展我國錳系鐵合金工業的一些對策。
  6. Manganese ores - methods for determination of iron content

    錳礦石.鐵含量測定方法
  7. Standard test methods for manganese in iron ores

    鐵礦石中錳含量的標準測試方法
  8. Standard test method for determination of iron in manganese ores by hydrogen sulfide reduction - dichromate titration

    用硫化氫還原重鉻酸鹽滴定法測定錳礦石中鐵含量的標準試驗方法
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