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 effects of rare-earth La2O3 addition on microstructures and electrical properties of SrTiO3 ceramics were investigated. Semiconductor SrTiO3-based voltage-s
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