The core message: Some media broke the news. The Ministry of Finance recently convened four ministries and commissions, experts from associations, and representatives from major companies to discuss small-scale subsidies and adjustments for new energy vehicles in 2018, and exposed some of the disc
Read moreEstablish "five degrees" thinking to build the world's top think tank Iron and steel industry pollution permits speed, metallurgical Industry Planning Research Institute help enterprises to cope with the new situation of iron and steel 1 background On July 27, 2017, the Ministry of
Read moreLithium ore flotation A lithium mineral floatability The main lithium-containing minerals are spodumene, lithium mica , and lithium feldspar . Their floatability is as follows: Spodumene A12O3·Li2O·4Si02, containing Li2O 4.5% to 8%. The surface-purified spodumene is easily floated with olei
Read moreCopper oxide ore flotation process employed and described: the floatability of oxidized copper ores, generally worse than the flotation of copper sulphide ores, and by the presence of copper in the form and composition of gangue minerals such as greater impact For example, when copper is present in
Read moreIn the summer, if the diesel generators still use the lubricants used in winter, the work efficiency may decrease, and even more serious failures may occur. Ito Power is here to spread the knowledge to everyone, that is, because of the large temperature difference between winter and summer, the lu
Read moreAs is well known, gold deposits are usually divided into sand gold and pulse gold . The gold deposit contains 2~0.3 g/m3 gold, and the gold deposit contains 5 g/t. Due to the high value of gold, both have mining value. Gold is often recycled by re-election. Pulse more types of gold, in our currentl
Read moreThe method of the current gold ore amalgamation amalgamation amalgamation inner and outer amalgamation two methods, the amalgamation of the ore is pulverized and mixed with mercury in the Grinding Equipment simultaneously mixing the mercury method. Commonly used internal amalgamation equipment incl
Read moreSeismic exploration began in the mid-19th century. China in 1951 started seismic exploration, and apply it to oil and gas exploration, prospecting coal field exploration, engineering geological exploration and mining of certain metals. The most comprehensive exploration process animation in history
Read moreHow to maintain the winter dumper semi-trailer battery? What are some of the most common problems that arise from the battery of the Hongsheng Vehicle Technology Division winter dump semi-trailer? Shandong Hongsheng Vehicle Technology Department answered the questions for your self-unloading semi-
Read more2. Development and production examples China's wollastonite mines are generally mined and mined, and sold after simple selection. In recent years, the selection of wollastonite ore has been conducted. At present, the study of wollastonite beneficiation process is divided into four types of proc
Read more+ Thermodynamic Analysis of Thermal Cycle + Compressed Air Energy Storage System Lu Yuanwei, Liu Guanglin, Ma Chongfang, Lu Pengfei (Department of Heat Transfer Enhancement and Process Energy Conservation of the School of Environmental and Energy Engineering, Beijing University of Technology. The
Read more(1) Calculation of the cost of the well engineering and underground track laying project 1. According to the characteristics of mine construction, the temporary facilities fee for the well engineering and the underground track laying project is divided into the wellbore period (phase I), the roadway
Read more