In daily work, any work cycle can be divided into four stages: planning, execution, inspection, and summary. Applying this work sequence loop to quality management work is called the PDCA work cycle. There are eight steps in this work cycle, as shown in Figure …
Bacterial metallurgy technology due to its low cost and environmental protection friendly and become a hot research, especially for complex refractory ore conventional art (such as a single metal ore more compounds and multi-state me…
Since vanadium in stone coal mainly occurs in clay minerals, it is easily converted into a soluble state by oxidative roasting. In the late 1980s, most of…
Green mines are a new way of thinking about mineral resources management and mining development in the new situation. The construction of green mines is the only way to promote the economic progress of the mining industry.…
First, the nature of the ore
A scheelite ore in Hunan belongs to the porphyry scheelite with a small amount of cassiterite . Small number of …
Including pure iridium compound prepared is reduced to metal and calcined in two steps.
1. The preparation of pure hydrazine compound has nitroso complexation, sulfurization and extraction m…
I. Overview of deposit characteristics
Gansu Zaozigou gold mine located northwest of Hezuo about 10km, after years of geological survey geological exploration units, determined that the deposit is - in large…
Metal compound widely used in catalytic plating, pharmaceuticals, fine chemicals, photosensitive material, sensitive element, chemical materials and the like. At present, after long-term research and practice, our company has formed…