During the solidification of the AZ91D-alloys, the Al8(Mn, Fe)5 phase is generally precipitated in the melt in advance of the precipitation of the primary α-Mg
To study the osteogenesis and transformation process of calcium phosphate bioceramic in vivo, biodegradable porous β-tricalcium phosphate ceramics (β-TCP, φ5
Firstly, an aluminum coating was produced metallurgically on mild steel by hot-dipping, then an aluminum oxide coating was formed self-growingly from the alumin
The automotive industry has crossed the threshold from using magnesium alloys in interior applications such as instrument panels and steering wheels to unprotec
The effect of Al- and AlSiRE-coatings obtained by arc spray (AS) and high velocity arc spray (HVAS) technologies, on the tensile properties of type 316 steel sp
The magnetic liquid was prepared with ferric salt by inorganic gel technology. The effect of the doped rare earth elements on the properties of magnetic particl
The heat transfer problem of the atomized droplets during high velocity arc spraying (HVAS) was modeled and solved by a numerical method using a Fe-Al alloy, an
TiO2 nanometer thin films with photocatalytic antibacterial activity were prepared by the sol-gelmethod on fused quartz and soda lime glass precoated with a SiO
本文研究了不同开垦年限黑土粘粒、粉砂和细砂级复合体中有机碳的分布特征及其变化规律,结果表明,黑土有机无机复合体组成以细砂级复合体为主,粘粒及粉砂级复合体次之。随着开垦年限的延长,黑土耕层和犁底层土壤粒粘级复合体的含量均有不同程度的增加,而粉粒及细砂级复合体的含量相应减少;黑土耕层各复合体中有机碳含量均明显减少,犁底层亦表现出降低的趋势。犁底层各复合体中有机碳含量占土壤有机碳含量的百分数表现各异,在
A commercial Al-Mg alloy was subjected to equal channel angular pressing of 4 passes with and without postrolling, and the effects of post-rolling on the deform