The charge-discharge performance and cycle stability of D size Ni/MH batteries at -20 ℃, 25 ℃ and 55℃ were examined. The results show that the decline rate o
The calcium-containing active material of secondary alkaline zinc electrodes was prepared by a chemical coprecipitation method and characterized by scanning ele
The trihological properties of Ni-31.44%Pb monotectic alloys were measured by using a SRV reciprocating triho-tester. The effects of load, sliding speed and mel
<正>Extrusion treatment is a common method to refine the grain size and improve the mechanical properties of metal material. The influence of hot extrusion on m
The extraction ability of palladium( Ⅱ ) from acidic media with cyclic sulfoxide derivatives-α-Dodecyl-tetrahydrothiophene 1-Oxide (DTMSO), α-octyl-tetrahydr
Oxygen reduction on Teflon-bonded carbon gas diffusion electrode without catalyst in 6 mol/L KOH solution was investigated with acimpedance spectroscopy and oth
Porous β-tricalcium phosphate bioceramic (PTCP) has important roles in surgical implants because of good biocompatibility. But the low compressive strength of