錳的 的英文怎麼說

中文拼音 [měngde]
錳的 英文
manganic
  • 錳 : 名詞[化學] manganese （25號元素, 符號 mn）
  • 的 : 4次方是 The fourth power of 2 is direction
  1. Chemical analysis of refractories. silica materials, silico - argillaceous and argillaceous materials. determination of manganese

    耐火材料的化學分析.硅材料硅土材料和粘土材料.錳的測定
  2. : methods for the analysis of aluminium and aluminium alloys - determination of manganese volumetric : arsenite nitrite method

    鋁與鋁合金的分析方法.第9部分:錳的測定
  3. Numerous small rounded dark brown or black necrotic patches in green leaves ; patches often in groups or rows close to midrib or major lateral veins, towards centre or basal areas of leaflects ; petioles green and healthy

    缺錳的馬鈴薯葉片：葉片上有大量深褐色或黑色壞死小圓斑，葉的主脈或大部分側脈附近有條狀斑紋，向葉中部和基部擴散，葉柄正常並保持綠色。
  4. Effect of cropping system on the manganese in lime concretion fluvo - aquaic soils

    耕作改制對砂姜黑土中錳的影響
  5. Deferrizers and demaganizers are series of products designed by our company for underground water with comparatively high iron and managanese content according to aerating oxidation priciple. in these prducts, packed natural manganese sand in filter is applied as filtering materials, and oxygen in air is applied as oxidants, to make ferrous iron in water oxidized into ferric iron, in a same time, oxidation reaction makes its produced its produced substances left in filtering materials for purposes of deferrization and deman - ganization

    除鐵錳裝置是我公司針對鐵、錳較高的地下水，按曝氣氧化法的原理而設計的系列產品，它是利用過濾器內裝填城然錳砂為濾料，利用空氣中的氧化劑，使水中的二價鐵，同時發生氧化反應使其物進截留在濾料中，從而達到除，除錳的目的。
  6. Chemical analysis of ferrous materials. determination of manganeses in steels and irons. electrometric titration method

    黑色金屬材料的化學分析.鋼和鐵中錳的測定.電位滴定法
  7. Determination of exchangeable manganese in forest soil

    森林土壤交換性錳的測定
  8. 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
  9. The contents of organic material, limonite and manganese hydroxides influence the variation of ore element.

    有機物、褐鐵礦和氧化錳的含量影響著成礦元素含量的變異。
  10. Oxidation-reduction reactions are important in the solubilization and precipitation of iron and manganese.

    氧化還原反應在鐵和錳的增溶和沉澱中具有重要作用。
  11. Determination of easy reducible manganese in forest soil

    森林土壤易還原錳的測定
  12. The actuality and prospect of studies on soil manganese

    土壤錳的研究現狀及展望
  13. The amounts of cu, zn, fe and mn in day - lily flower, osmunda cinnamomea and walnut kernel were determined by microwave digestion - flame atomic absorption spectrometry

    摘要採用微波消解樣品，用火焰原子吸收光譜法測定了黃花菜、薇菜和核桃仁中的銅、鋅、鐵、錳的含量。
  14. Water quality - determination of manganese - potassium periodate spectrophotometric method

    水質錳的測定高碘酸鉀分光光度法
  15. A study on the preparation of manganese sulfate by co - calcining pyrolusite and pyrite

    軟錳礦與黃鐵礦共同焙燒制備硫酸錳的研究
  16. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明，成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o （ x = 1 . 86 ）的x射線衍射圖譜一樣，濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用，試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與，亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外，還通過鐵離子的變價傳遞電子，催化錳離子的氧化反應，從而促進對二價錳的降解。
  17. In order to improve its cycle performance and reduce capacity loss, we have synthesized series of lithium nickel manganese vanadate by using the moist chemical method in the reaction conditions of different temperature and calcination time. the structure characterization and element analysis tests are preformed by means of xrd, ir, raman and xps

    為了改善其循環性能以及減少充放電過程中的容量損失，我們對其中的ni2 +進行部分替代，採用濕化學方法合成出了錳對鎳不同取代量的產物linil _ 、 mn萬04 ，並結合xrd 、 xps 、 ir和r田刀an圖譜對其固溶度及摻入其中的錳的價態進行研究。
  18. Sampling and analysis of iron, steel and other ferrous metals - methods of analysis - determination of manganese - ferromanganese and ferrosilicomanganese : potentiometric method

    鐵鋼和其他鐵合金的抽樣和分析.分析方法.錳的測定.鐵錳合金和硅錳鐵合金:電位滴定法
  19. The potential of mn ( iii ) / mn ( ii ) redox couple in h2so4 is 1. 51v vs. nhe, which may be suitable for the positive half - cell in a redox flow storage system. but studies on this couple as a positive electrode in this system have not been reported so far

    錳的各種氧化物是化學電源里常選用的活性物質，而將溶液狀態的mn （ iii ） / mn （ ii ）電對作為化學儲能裝置的活性材料的工作尚未見報道。
  20. Method for chemical analysis of silicomanganese

    硅錳的化學分析方法
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