高純鎳 的英文怎麼說
中文拼音 [gāochúnniè]
高純鎳
英文
high purity nickel-
Gfaas determination of trace amounts of arsenic in high purity nickel
石墨爐原子吸收光譜法測定高純鎳中痕量雜質砷Methods for analysis of high purity copper cathode cu - cath - 1 - method for determination of chromium, cobalt, iron, nickel and zinc by discrete volume nebulization atomic absorption spectrophotometry
高純度銅陰極cu - cath - 1分析方法.第2部分:採用不連續體積噴霧原子吸收分光光度法對鉻鈷鐵鎳和鋅的測定方法The high temperature exothermic peak of nh4clo4 added 5wt % and 10wt % is respective 63k and 130k lower than the pure nh4clo4. the “ segregation of solute model ” is established and discussed
添加5wt %和10 % wt冷凍乾燥技術制備的超細鎳粉的高氯酸銨,它們的高溫分解放熱峰溫度分別比純的高氯酸銨降低了63k和130k 。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。The ade + transformants were selected and fermented in flasks with 20ml bmmy medium, then, induced by 0. 5 % methanol. the expression protein was analyzed by sds - page after five days of induction. sds - page analysis revealed that the high - level expression recombinant strains of pmad16 / pmet a b / abp2304 and pmad16 / pmet a a / abp780 had specific bands at 75kd and 55kd separately, account for 30 % and 10 % of the total protein separately, which were purified using probond resin purification system, and obtained 15mg at levels above 0. 75g / l and 7mg expression protein at levels above 0. 35g / l separately once purification, the purity is both above 90 %
篩選ade +表型轉化子, 20mlbmmy搖瓶培養,用0 . 5甲醇誘導表達5天後, sds - page檢測結果表明:選出的重組高效表達菌株pmad16 pmet b abp2304和pmad16 pmet a abp780都存在明顯的表達特異條帶,分子量分別為75kd和55kd ,分別占其總蛋白的30和10 ,經過probondresin鎳親和層析柱都得到了純化,其純度都在90以上,一次純化分別可得到大約15mg和7mg表達蛋白,推知表達量分別高達0 . 75g l和0 . 35g l以上。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 % 。X - ray powder diffraction patterns show that the nickel powder is cubic crystallite. the average particle size of the ultrafine nickel powder is 50nm
結果表明,控制溶液ph值在9 10之間,選用水合肼為還原劑可得到高純度的納米鎳粉。Faas determination of trace of cobalt and nickel in high purity lead
火焰原子吸收法測定高純鉛中痕量鈷和鎳Determination of trace nickel in h igh - purity lead by catalytic oscil lopolarography
示波催化極譜法測定高純鉛中痕量鎳( 5 ) sic content in coating was 20. 11 ( vol % ). coating was fine and close. the hardness was 2. 68 times pure ni coating, and wear - resistance was 4. 1 times pure ni coating
( 5 )對所得鍍層的性能進行了檢測,鍍層中sic粒子含量為20 . 11 ( vol % )且均勻緻密;鍍層的硬度和耐磨性分別提高到純鎳鍍層的2 . 68倍和4 . 1倍;結合力實驗也表明鍍層與基體具有良好的結合力。分享友人