Among MoO 2 , MoO 3 and transition oxides (MoO 2.5~3 ) formed by molybdenite oxidation, MoO 3 is an acid anhydride. It is soluble in the KOH alkaline solution, and the remaining various oxides are alkaline oxides. The effect of oxidation on the contact angle of molybdenite is shown in Table 1, whi

There are more than ten kinds of tin- containing minerals. At present, the tin used in industry is mainly derived from cassiterite. Due to the high density of cassiterite (6.4~7.1g/cm 3 ), the main beneficiation method of cassiterite is re-election. However, due to the brittleness of the cassiterit

Lime sulfur method for extracting gold, is China's first new non-cyanide gold leaching technology. Zhang Jian and others have done a lot of research on this. The stone sulphur mixture is made of cheap and easily available lime and sulfur, which is non-toxic and environmentally friendly. At pre

Spruce and red birch are one of the constructive species and pioneer species of subalpine coniferous forest, and have become the key population in the natural regeneration process of subalpine coniferous forest in southwest China. Due to the difficulty of natural restoration and regenera

This month, there will be 8 sets delivered to Japan's Mitsubishi Heavy Industries in two batches. July 20, Luoyang Bearing Science & Technology Co., Ltd. in the second industrial park factory, workers are on a number of wheel bearings for testing. These bearings are 3.2 meters in diameter a

Taniguchi damming tailings is constituted of or surrounded, for the storage of ore for metal and nonmetal mine tailings discharged after sorting, or other industrial waste sites. The types of tailings ponds usually include valley-type tailings ponds, Lushan-type tailings ponds, flat-type tailings p

A, partial titanate main chemical components According to the multiple chemical analysis of metatitanic acid produced in a certain mine, the composition is shown in Table 1. Table 1   Titanic acid composition ingredient Content /% ingredient Content /% ingredient Content /% ingredient

The grease of the mine ventilation is continuously conveyed by the wind or the natural wind pressure to a proper amount of fresh air to the bottom of each well to supply personnel with breathing, reduce the temperature of the underground working face, dilute and discharge various dusts and toxic an

In the deep hole blasting in the well, there are many parameters to be selected such as the diameter of the blasthole d, the minimum resistance line W, the hole distance b, the explosive consumption of the explosive, and the length of the packing. The diameter of the blasthole is related to the ro

Alkali metal silver, soft and light, malleable. The density is 1.8785 g/cm 3 . The melting point of 28.40 ± 0.01 ° C, the boiling point of 678.4 ° C. The valence price is +1. The ionization energy is 3.894 eV. It is the most active in alkali metals and reacts violently with oxygen to form

Use the microcomputer or analog meter to automatically adjust the size of the discharge port, adjust the ore amount reasonably, make the crusher run at full load, effectively use the input energy, and produce the most qualified products. The crushing operation productivity can be increased by 12%.

The mechanism of action of anti-fouling agents is not yet fully understood, and the arguments are not completely consistent. Most of the antifouling agents are considered to function as a crystal nucleating dispersant, a crystal form change agent, and a medium stabilizer. First, the role of crysta