Neodymium-iron-boron material, because of its excellent magnetic properties is referred to as "magneto", it has been widely applied to many fields. In the production process of NdFeB.......
Sodium halide roasting is a process for vanadium- containing raw materials. The research is also thorough. The basic principle is to use salt or soda as an additive to convert multivalent vanadium into water-soluble pentavalent vanadium by calcination. The s.......
Molybdenum is relatively rare and precious metals, in the production of molybdenum iron, molybdenum total cost of 97.5%. Therefore, maximizing the recovery rate of molybdenum is very important.......
One of the most troublesome things about buying a car is to bargain. Compared with other products, the price may not be counter-offered. Although the car has a guide price, the dealer will adjust the discount rate based on factors such as sales volume and inven.......
At the Revo Engineering Machinery Group's annual business conference in 2018, Lovol Engineering Machinery re-enlisted and strongly launched the "Luowo engineering machinery PLUS full line of new products," the classic .......
The main cause of collapse in dumps
1. The selection of the dump site is unreasonable and the basement is weak;
Second, the science is not disch.......