The caving mining method is a mining method that collapses surrounding rock during mining to achieve ground pressure management and mineral resource recovery, in which the surrounding rock is collapsed by natural caving surrounding rock and planned forced collapse of surrounding rock. When adoptin

Wireless ad hoc network is also called wireless mash network. It is a combination of wireless local area network WLAN and Ad Hoc network. It is a wireless network system with large capacity, high speed, and wide coverage. It plays an important role in the field of modern wireless transmission. Wir

On April 9th, 2019, Auman Super Heavy Truck officially started its business in Harbin, and arrived in Shenzhen on the evening of April 11. It took more than 55 hours to complete the challenge. Rather than saying that this is an event, it is better to say that this is a test of the comprehens

In recent years, in the seed industry, a very obvious change is that the seed package has a two-dimensional code for the seed label. The seed QR code must include the name of the variety, the name of the manufacturer or importer, the unit identification code, and the traceable URL. Item

According to industry research data, in the first three quarters of 2014, the market share of TOP3 brand in physical channel distributors was about 22.1, which was 18.4 percentage points lower than that in 2013. The brand concentration of LED lighting market was significantly reduced. From the persp

During the National "two sessions," the deputies of the National People's Congress and the chairman of Yuchai Group's board of directors Yu Ping brought with them thoughtful and thoughtful proposals. Luan Ping believes that: "Medium- and heavy-duty commercial vehicles with a

The method of drip infiltration, the solution directly acts on the surface of the ore powder pile, the surface of the ore powder will not form a water layer, the infiltration rate is fast, and it can fully contact with the vanadium impregnation solvent and wash the surface of the ore powder, which

Model NO.: adc12 Pressure Chamber Structure: Horizontal Tolerance Grade: 7

Model NO.: WB5009 Surface Handling: Paint Certification: ISO, CE, GS, RoHS, Ci , Co, SGS,Co,Ci,CE,ISO9001

On August 14, 2019, Shi Xijun, member of the Standing Committee of the Party Committee of the BAIC Group and Secretary of the Disciplinary Committee, Zhang Hui, member of the Standing Committee of the Party Committee and Chairman of the Labor Union, went to Bohai Piston Company for investigat

With the continuous development of new technologies such as artificial intelligence, big data and 5G, the application of Internet of Things has become a new development. "Smart Fire", "Fire Internet of Things", "Fire Big Data", "Pressure Monitoring System" a

As we all know, the top part of the mixer truck is directly related to the quality of the concrete. A high-quality top configuration can better mix the concrete and ensure that the concrete is evenly mixed and of good quality in order to achieve the best results in con