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temperature stud bolt. A glue layer nickel (Ni) film was deposited on the surface of the hex bolt sample and then Ag-Pd alloy coating was performed on it using ion plating method. The friction... Lubrication properties of silver-palladium alloy prepared by ion plating method for high temperature stud bolt Jung-Dae KWON1, Sunghun LEE1, Koo-Hyun LEE1, Jong-Joo RHA1, Kee-Seok NAN1, Se......
of the deposited nickel ion simultaneously decreases. As a result of the competition, a high cathode current efficiency can still be maintained. Furthermore, PJED will be able to considerably improve... Microstructure and properties of nanocrystalline nickel coatings prepared by pulse jet electrodeposition TIAN Zong-jun(田宗军)1, WANG Dong-sheng(王东生)2, WANG Gui-feng(王桂峰)1, SHEN Li-da(沈理达......
. The results show that, in nickle electrolysis anode solution, the occurrence states of copper and nickel are free ions and complex cations at pH 4.5, while the lead and zinc exist as complex anions that can...的关系 Fig.2 Relationship between concentration of complex anions and pH value in nickel anodic electrolyte system 2 分析和验证 从图1可以看出:随着cClT的增大,溶液中金属自由离子Cu2+的浓度呈明显的下降趋势.这是因为cClT增大,溶液中配合金属离子总体......
of hydroxide [13] or hydroxy complex of metal ion [14] forms on the surface of quartz, either can cause hydrophobic of quartz to increases floatability and decreases zeta potential. As for Fe2+ (Fig. 6(d...J. Cent. South Univ. (2017) 24: 56-61 DOI: 10.1007/s11771-017-3408-x Mechanism of different particle sizes of quartz activated by metallic ion in butyl xanthate solution QIN Wen-qing(覃文庆), WU Jia......
RETARDATION OF PHOTOSENSITIZED OXIDATION BY COMPLEX OF HYPOCRELLIN A AND PRASEODYMIUM IONWang Duoyuan He Huizhu(Institute of Photographic Chemistry,Academia Sinica,Beijing 100012,P.R.China)摘 要:
and analyzed for metal ion concentration. The raffinate samples contained 0.002 g/L cobalt indicating 93.3% extraction rate. The loaded organic was analyzed to contain 0.028 and 0.02 g/L cobalt and nickel...Solvent extraction of zinc, manganese, cobalt and nickel from nickel laterite bacterial leach liquor using sodium salts of TOPS-99 and Cyanex 272 R. K. MISHRA1, P. C. ROUT1,2, K. SARANGI1,2, K. C......
using ammonia as complex agent. The phase, composition and morphology of the novel precursor were characterized by XRD, IR, DTA/TGA and SEM analysis. The influences of various conditions in pyrolysis... complex with ammonia; cobalt powders; fibrous; porous; growth mechanism 超细钴粉由于其具有特殊的物理,化学性能,在硬质合金,电池,催化剂,磁性材料,吸波材料,陶瓷等领域应用中表现出许多优异性能[1-5].应用中,粉末的理化性能决定其应用领域的发展前景[6],例如在磁记录介质方面,准一维形貌的金属钴粉具有磁晶各向异性和较高的磁化强度,在......
Preparation of carbon nanotubes by ethanol catalytic combustion technique using nickel salt as catalyst precursor LI Fei(李 飞) 1,2 , ZOU Xiao-ping(邹小平) 1,2, CHENG Jin(程 进)1,2, ZHANG... was employed as substrate, nickel nitrate (Ni(NO3)2) and nickel chloride (NiCl2) as catalyst precursor, and ethanol as carbon source. The cleaned copper substrate was dipped into catalyst precursor......
ion Ni[NH3]m2+ (m=3-6) dominates only when pH≥8.0. Thus, for the reaction system of Ni(II) -C2O42--NH3-NH4+-H2O, different coordination numbers of ammonia in Ni[NH3]n2+ (n=1-6) may affect nickel... of nickel oxalate containing ammonia [22]. Fig. 1 FESEM images of NiO precursors obtained at different pH values of 6.0 (a), 7.0 (b), 8.0 (c), 8.4 (d) and 9.0 (e) Fig. 2 XRD patterns of NiO fibers......
Triboluminescence of A New Europate Complex 于江波1,彭泽平1,张洪杰1,周亮1,符连社1,邓瑞平1 (1.Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China) Abstract:A new europium(Ⅲ) complex Eu(HFNH)3Phen(HFNH: 4, 4, 5, 5, 6, 6, 6-heptafluoro-1-(2-naphthyl)hexane-1,3-dione; phen: 1,10-phenanthroline) was synthesized and its......
