Abstract : Based on the actual situation, this paper analyzes the description and method comparison of a valve and bearing coding structure for reference. Keywords: valve; bearing; classification coding; method description In the information age, coding is a representative of materials, the current ...read more...
Gas protection is the use of the gas relay inside the reaction transformer to protect the transformer. The gas relay is to reflect the internal electrical fault of the transformer tank and the drop of the oil level. It can send an alarm signal or trip action signal for common internal faults such ...read more...
In order to strengthen the regulation of the development of advantageous mineral resources, prevent over-exploitation, and protect and rationally utilize mineral resources, the Ministry of Land and Resources recently issued the Interim Measures for the Management of Mineral Resources Indexes for To ...read more...
At present, in Russia and CIS countries beneficiation plant mainly mined ore preselection with a heavy media separation and dry magnetic separation. A drum type heavy medium sorting machine (30t/h), a tapered heavy medium sorting machine (500t/h) and a ring-shaped heavy medium sorting machine (700t ...read more...
Shenzhen Yiju Technology specializes in research and development of electronic fence perimeter alarm system , products include IP network electronic fence host, GSM network electronic fence host, wireless network electronic fence host, bus network electronic fence host and other products are avail ...read more...
The core part of the metal detector is carefully developed with advanced digital technology and original imported chips. It is used to detect metal impurities and metal foreign materials in food, bread, buns, steamed buns, dumplings, biscuits and other products as well as medicines, toys, clothing ...read more...
"There is no disease in the world. If you can prescribe the right medicine, you will have the principle of "chou", and so is the ore. For hard rock mineral nature under various complex conditions occurrence, if can do it "right" (the use of advanced technology and benefici ...read more...