hydrogen reduction 中文意思是什麼

hydrogen reduction 解釋
氫還原
  • hydrogen : n. 【化學】氫。
  • reduction : n 1 縮小，減少；降級，降位；（刑罰等的）輕減；減速；減價，折扣。2 （城市、國家等的）陷落，投降，...
  1. The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered

    氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高，放電容量也趨于平穩，此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響，結果表明：添加適量氧化鑭能明顯改善鋅電極的電化學性能，使鋅電極的還原峰電位正移，電極反應可逆性得到改善，同時也可抑制鋅電極析氫反應的發生，提高了鋅電極的陽極電流，對陽極反應有一定的活化作用；同時還可以改善鋅電極的放電特性，增加電極的放電容量。
  2. The hydrogen permeation reduction factor ( prf ) evaluated in gas phase is 620 ~ 263 and in liquid pb - 17li phase is 45 ~ 30

    結果表明，實驗所得到的氫滲透率減低因子（ prf ）為：在氣相中， 620 263 ；在液態鉛鋰合金相中， 45 30 。
  3. Surface modified au nanoparticles have been synthesized based on the reduction of hydrogen tetrachloroaurate ( haucl4 ) by sodium borohydride ( nabh ^ in methanol

    通過硼氫化鈉nabh _ 4還原氫金氯四haucl _ 4 ，成功地製作了羧酸酯表面修飾的金納米粒子。
  4. For the cathodic process it is likely that there exists a coupling between ni2 + discharge and hydrogen evolution. hydrogen evolution on working electrode should have masked the nickel ion reduction peak in lsv curve

    對于陰極過程，鎳離子放電和氫氣析出過程存在耦合，氫氣的析出可能掩蓋了線性電位掃描曲線上鎳還原的電流峰。
  5. The results revealed that the corrosion process was controlled by both hydrogen evolution and oxygen reduction reactions in the temperature range from 30 to 150

    實驗結果表明該腐蝕過程由析氫反應和氧還原反應共同控制，並且在30 ~ 150的范圍內溫度的升高未改變腐蝕反應歷程。
  6. The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry

    本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響，詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響，並得出如下結論： （ 1 ）採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 （ 2 ）冶煉溫度越高，高壓水壓力越大，所得生粉顆粒粒度越細。 （ 3 ）水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。
  7. Catalysts were prepared by impregnation reduction, thermal reduction, advanced thermal reduction and sol - gel methods from these metals. electrochemistry measurements, xrd, tem were used to test these catalysts. the results showed that these metals have some electrocatalysis activities towards hydrogen oxidation reaction

    本文選擇了w 、 mo 、 co等金屬，採用浸漬還原法、熱還原法、改進的熱還原法以及溶膠凝膠法分別制備了這幾種金屬的碳載催化劑，對制備出的非貴金屬催化劑進行了電化學測試、 x -射線衍射（ x - raydiffraction ， xrd ） 、透射電子顯微鏡（ transmissionelectronmicroscopy ， tem ）等測試，研究結果表明:這些非貴金屬在硫酸體系中對氫氣的氧化反應均有一定的催化活性。
  8. It was found that in the simulated physiological solution, the hydrogen bindings between some amido groups in the mp - 11 molecules are decomposed and the mp - 11 dimers become monomers. it induces the increase in the contents of the a - helical and ( 3 - turn conformation, the decrease in the content of the random coil conformation of mp - 11 as well as the increase in the exposure extent of the heme group. therefore, the reversibility of the electrochemical reaction and the electrocatalytic activity of mp - 11 for h2o2 reduction increase comparing the situation in the aqueous solution

    發現在模擬生理條件下， mp - 11分子的多肽鏈上一些酰氨基的氫鍵發生了解離，使部分雙聚的mp - 11分子變成單體分子， mp - 11分子二級結構中-螺旋和-轉角結構的含量增加，無規捲曲結構含量降低，導致了mp - 11分子中血紅素的暴露程度變大，因此mp - 11電化學反應的可逆性和對h _ 2o _ 2還原的電催化活性比在水溶液中有所增加。
  9. Hydroge sulphide odour. objectionable taste and odour due to the presence of hydrogen sulphide resulting from the reduction of sulphur of of sulphur dioxide

    硫化氫味：由於葡萄酒中的硫或二氧化硫被還原成硫化氫，而產生的一種惡劣口感和令人討厭的氣味。
  10. Hydrogen sulphide odour. objectionable taste and odour due to the presence of hydrogen sulphide resulting from the reduction of sulphur or of sulphur dioxide

    硫化氫味：由於葡萄酒中的硫或二氧化硫被還原成硫化氫，而產生的一種惡劣口感和令人討厭的氣味。
  11. 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
  12. Molybdovanadophosphate tetraethylammounium nanoparticles bulk - modified carbon paste electrode and its electrocatalysis toward the reduction of hydrogen peroxide

    鉬釩磷酸四乙胺納米粒子體修飾碳糊電極及其對過氧化氫的電催化還原
  13. Psa chairman jean - martin folz told a news conference that the best way to save on fuel consumption of cars in the short term was by boosting the use of diesel and by adding bio - fuel to diesel. for the medium term, hybrid diesel engines would offer further reduction in consumption and greenhouse gas emissions, while fuel cells, which release energy from the reaction of hydrogen and oxygen with a catalyst, were for a later stage, he said

    法國汽車製造商標致雪鐵龍公司psa於1月9日向外界展示了目前可以被應用在轎車上的體積最小的燃料電池，並且承諾將進一步推進在這方面的研究工作，力爭到2010年時使這種符合環保要求的能源的價格在現有基礎上降低一半。
  14. Metallic powders - determination of loss of mass on hydrogen reduction hydrogen loss

    在氫中還原時質量損失的測定氫損
  15. Metallic powders - determination of oxygen content by reduction methods - loss of mass on hydrogen reduction hydrogen loss

    金屬粉末.用還原法測定氧含量.氫還原時的質量損失
  16. Metallic powders. determination of oxygen content by reduction methods. part 2 : loss of mass on hydrogen reduction hydrogen loss

    金屬粉末.用還原法測定氧含量.第2部分:氫還原時的質量損失
  17. Metallic powders - determination of oxygen content by reduction methods - part 2 : loss of mass on hydrogen reduction hydrogen loss iso 4491 - 2 : 1997

    金屬粉末.用還原法測定氧含量.第2部分:氫還原時的質
  18. Experiment of hydrogen evolution showed that the evolution hydrogen amount of current collector coated by mono - layer plating or double - layer plating was less than without them in 7. 0m koh solution with zinc power, and that of the double - layer plating of zn - in, sn - in was the least. cyclic voltammetry - indicated that there is an obvious reduction peak of hydrogen at the potential of about - 0. 8v vs

    用動態析氫實驗表徵，發現沉積單、雙層金屬的集電體在含鋅粉的7 . 0m的氫氧化鉀溶液體系中的析氫量比無沉積層的銅集電體析氫量要小，其中，沉積鋅銦、錫銦雙層的析氫量最小。
  19. Chemical analysis of copper containing not less than 99, 90 per cent copper. hydrogen reduction test and estimation of oxygen content

    含量大於或等於99 . 9 %銅的化學分析.氫還原試驗和氧含量估算
分享友人
分享到 Line

分享到臉書