活性鎳 的英文怎麼說
中文拼音 [huóxìngniè]
活性鎳
英文
active nickel-
Fractions of additive nickel and relationship with enzymatic activities in soil
外源鎳在土壤中的存在形態及其與土壤酶活性的關系Based on the nickel electrodeposition process, the nickel electrodeposition mechanism, the electrochemical nucleation of nickel on vitreous carbon, the redox process of black nickel formed on anode, the nitrogen evolution on anode and electrocatalytic activity for nitrogen evolution of ti based iro2 anodes were investigated systematically
本文在前期工藝研究的基礎上著重對氨絡合物體系電積金屬鎳的反應機理、鎳在玻璃碳上的電化學成核機理、陽極黑鎳的形成機理、陽極析氮過程及ti基iro _ 2塗層陽極對析氮的電催化活性進行了系統研究。( 4 ) preliminary investigation of the mechanism of electroless nickel on silicon showed that the catalysis of. silicon surface was acquired by the oxidation of silicon that prompts the deposition of nickel
( 4 )對單晶硅表面化學鍍鎳的機理進行了初步的探討,結果表明硅表面的化學鍍催化活性可能是由硅的氧化反應促使鎳離子沉積成鎳核所形成的。For the other hand, la2o3 additives can improve the activation process and discharge capacity obviously for zinc electrode. the appropriate content of la2o3 additives in zinc electrode can increase the electrochemical properties of the zinc electrode. zn / ni battery with the zinc electrode containing calcium additive showed better discharge capacity and charge - discharge cycling life
以鋅酸鈣為活性物質的鋅電極能得到更高的鋅利用率,且以鋅酸鈣為活性物質的鋅鎳電池的循環壽命明顯優于以氧化鋅為活性物質的鋅鎳電池;兩層隔膜的鋅鎳電池的放電容量高於一層隔膜的鋅鎳電池,容量衰減速度也明顯小於後者。Recently, as an advanced and eco - friendly method of powder preparation, freeze - drying has been developing quickly. the ultrafine ni powder with the average size of 50nm was prepared by freeze - drying form the niso4 and naoh and was studied by means of xrd, ir, fesem, tem, and dsc. the catalysis of nickel powders to nh4clo4 and how the precursor forms and the processes of the amorphous precursor to the final nickel powders are discussed
本論文以分析純niso4 、 naoh為原料,採用冷凍乾燥技術成功的制備了50nm左右的球狀超細鎳粉,通過xrd 、 ir 、 fesem 、 tem 、 dsc等材料現代分析手段對產物進行了分析和表徵,研究了超細鎳粉對高氯酸銨熱分解的催化活性、前驅體的形成以及非晶態金屬鹽到晶態超細鎳粉的轉變過程。Ammonia played a critical role in the vertical alignment of cnts, and the possible reason was that in 850 the atomic hydrogen decomposed from ammonia reacted with amorphous carbon to form volatile products to keep the metal surface clean, and mechanical leaning against neighboring tu bes established a morphology of vertical alignment
當基體為單晶硅、催化劑鎳膜厚度為20nm 、氨氣氣氛、生長溫度為850時,得到了定向生長的納米碳管。其原因可能是850時氨氣分解的氫原子和無定形炭生成了易揮發物質,從而保持催化劑的活性使納米碳管依靠相鄰碳管之間的斥力定向生長。The modified nickel - supported catalysts possess good reaction performance, conversion of propane and carbon dioxide as well as yield of hydrogen
採用稀土改性的氧化鋁負載的鎳催化劑顯示出較好的催化活性,比氧化鋁負載的貴金屬催化劑有更好的丙烷二氧化碳轉化率和氫氣收率。Abstract : the reasons why the raney ni catalyst loses it " s a ctivity system matically. the method of regenerating the disac tivity catalyst according to catalytic principle is described. it was used in sorbitol production plant, and the effect was good
文摘:對山梨醇用雷尼鎳催化劑的失活原因進行了系統分析,根據催化原理找出了失活催化劑的再生方法,經催化劑活性檢測及實際應用表明效果較好,值得有關廠家參考使用。The result indicated that catalyst of ni2so4 had low catalysis to the preperation of humic acid ; the yield of humic acid can be enhanced by the catalysts of ni2so4 / ac and ni2so4 / sio2 evidently, and compared with none catalysts, the productivity of humic acid increased by 11. 2 % and 14. 73 % ; the catalyst of ni2so4 / cnts increased the prodictivity by 15. 84 %
結果表明:純硫酸鎳催化劑活性低,腐植酸產率較低;活性炭負載硫酸鎳和二氧化硅負載硫酸鎳作為催化劑時,腐植酸的產率較高,較不加催化劑時產率提高11 . 2 %和14 . 73 % ;碳納米管負載硫酸鎳作為催化劑時,腐植酸產率提高15 . 84 % 。Nano - sacle coo is apt to dissolve in the electrode homogeneously, and better conductive net of coooh come into being, thus contribute a lot to the procedure of the activation. the electrode with nano - scale coo and cnts shows higher discharge voltage and higher discharge capacity. nano - scale additives can improve the specific capacity of the electrode, the volume specific capacity and the mass specific capacity of the electrode with nano - scale coo are 784mah / cm3 and 224mah / g, respectively
結果表明:添加劑為納米coo的電極的活化性能最好,納米coo相對于普通coo能更加均勻的分佈在鎳電極內,也更易溶解、反應生成coooh導電網路,從而加快了鎳電極的活化進程;添迦納米coo和添加cnts的極片具有較高的放電電位和較大的放電容量,納米添加劑能有效提高鎳正極活性物質的放電效率和利用率;納米添加劑可以有效地提高鎳正極片的容量密度,其中添迦納米coo的極片體積容量密度達到784mah cm ~ 3 ,質量容量密度達到224mah g ;添加cnts的極片體積容量密度達到778mah cm ~ 3 ,質量容量密度達到223mah g 。Experiments results showed that the doping of co can improve the electrochemical properties of nickel hydroxide and foam nickel electrode, such as discharge specific capacity, utilization of active material, cyclic performance
摻雜co可以明顯提高泡沫鎳電極的放電比容量,提高ni ( oh ) _ 2的活性物質利用率和充放電循環性能。The preparation and structure properties of nickel hydroxide as a positive active material for the new types of foam and fibrous nickel electrodes and high capacity mh - ni alkaline rechargeable batteries were studied
本論文研究了mh - ni電池及高容量泡沫式和纖維式鎳電極的活性材料ni ( oh ) _ 2的制備工藝條件以及不同的工藝條件對ni ( oh ) _ 2的各種物理性能及晶體結構的影響。When mechanical doping 5 % co, the discharge specific capacity is 225mah / g, the ratio of active material utilization is 78 %. the addition of zn can prevent the swelling of nickel electrode and prolong the cyclic life, decrease the existence of y - niooh when over - charged
隨著co摻雜量的增加,鎳電極的放電比容量明顯提高,機械混合摻雜5 co時鎳電極的放電比容量為225mah g ,活性物質的利用率達到78 ,循環性能比較穩定。The preparation and electrochemical performance of nickel hydroxide as a positive active material for the high capacity mh / ni alkaline rechargeable batteries were studied. the research result in this paper has some significance for the further development of nickel electrode with good properties
本文對鎳氫( mh / ni )堿性二次電池中所普遍使用的正極活性物質ni ( oh ) _ 2的制備和電化學行為進行了研究,對于進一步研製和開發綜合性能優良的鎳電極具有一定的實際意義。The main research findings were as follows : nickel had a higher catalysis than iron in the growth of cnts, and the thickness of catalyst affected the diameter of cnts. compared graphite and iron, when monocrystalline silicon was used as the substrate, cnts had a higher purity
通過sem和tem分析了不同條件下產物的形貌和結構,取得以下主要結果:在兩種單金屬催化劑中,鎳的催化活性高於鐵的催化活性,催化劑薄膜的厚度決定著生長納米碳管的直徑。Ni - based catalysts doped ru and / or sn were prepared by impregnation method, and their activity and stability in coupling methane partial oxidation and carbon dioxide reforming were observed
摘要利用浸漬法制備了釕和錫摻雜鎳系催化劑,考察了其耦合甲烷部分氧化與二氧化碳重整的活性和穩定性。Effects of - carotene on activities of antioxidant enzyme of ni2o3 exposed alveolar macrophage
胡蘿卜素對染鎳肺泡巨噬細胞抗氧化酶活性的影響In the procedure, carbon nanotubes were oxidized by nitric acid and then neutralized with naoh to create carboxyl surface groups which were used to adsorb ni ( superscript 2 + ) ions, thereafter the adsorbed ni ( superscript 2 + ) ions were chemically reduced into ni nano - particles as a catalytic center for electroless nickel deposition, all these were further confirmed by infrared absorption spectra and electron microscopic observations
碳納米管經硝酸氧化和堿中和后表面生成羧基,利用羧基吸附鎳離子,之後吸附的鎳離子被化學還原為鎳的納米微粒並成為化學鍍鎳的催化活性中心。Study on cationic surfactant as sensitizer in inhibitory catalytic kinetic spectrophotometric determination of trace nickel
陽離子表面活性劑增敏阻抑動力學光度法測定痕量鎳的研究Specification for magnesium - activated nickel for cathodes of electronic tubes and valves
電子管陰極用鎂活性鎳規范分享友人