The goal of this investigation was to analyze the impact of some production variables (input) on agricultural productivity growth (output) in China from 1989~200
The wetting behavior of molten Zr55 Cu30 Al10 Ni5 on Al2O3 was studied by the sessile drop method in high vacuum.The results show that wetting kinetic at 1 163
The correct use of lubricant is the key of warm compaction powder metallurgy.Different lubricants produce different lubrication effects and their optimal applic
An insulin- loaded emulsion system (IES) was developed as a hypoglycaemic drug for transmucosal delivery. The selected formulation was a stable oil/water emulsi
The microstructure and mechanical properties of AZ91 alloy prepared by lost foam casting(LFC) and various heat treatments have been investigated.The microstruct
The composition and structure of bone apatite and synthetic hydroxyapatite powder prepared by precipitation method, sol-gel method was studied by FTIR, EMPA, AF
With 2 kW continuous wave Nd-YAG laser,SiC ceramic powder was laser-cladded on the AA6061 aluminium alloy surface.Within the range of process parameters investi