该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

介绍了河北某磁铁矿的矿石性质和浮选脱硫的试验研究结果。对比了先浮后磁和先磁后浮的工艺方案。试验结果表明：先磁后浮工艺优于先......

Elective culture of Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans in 9K medium modified with pyrrhoti......

...

Pyrrhotite is one of the common ore minerals in Cu-Ni sulphide deposits, but only monoclinic pyrrhotite is ferromagnetic......

The floatability of different crystalline structures of pyrrhotite (monoclinic and hexagonal) was studied.It is shown th......

The recovery of Mn, Co and Ni from deep-sea manganese nodules was conducted by acid oxidative leaching and solvent extra......

The electrode process of diethyldithiocarbamate on the surface of pyrrhotite was studied using systematic electrochemica......

The anodic surface oxidation of natural pyrrhotite in 0.3 mol/L KCl and HCl solution (pH 4. 0) and 0.1 mol/L Na2 B4O7 so......