The gold concentrates are pretreated by alkaline hot-press oxidation followed by flash cyanidation in autoclave.
本文通过试验研究提出了在碱性压热氧化条件下，金精矿在高压釜内进行闪速氰化的新工艺。
2
The design method of hot-press for producing the hard pressboard cylinder is introduced and the calculation method of its structure strength is presented.
介绍了硬纸筒加工用热压机的设计方法，其中对结构强度的计算方法作了重点介绍。
3
In this test, through comparing the different effect of hot-press treatment on physical and mechanical behavior, treatment of poplar wood on hotpress is adopted.