Application of spherical roller bearingcontinuous casting machine In the metallurgical industry, sphericalroller bearings (SRB) are mainly used in the motion track of continuous caster,hot rolling and heating furnaces. The caster has the characterist…
British media have reported that scientists made a major discovery - the conversion from radio signals to electricity. Popularly speaking, this is power generation via WiFi! We may see battery-free phones and battery-free laptops in the future. MoS2…
The common problems of foamed concrete are bubbling, cracking, collapse, shrinkage, and other phenomena. To treat these phenomena, the proper medicine can be found, and the cause can be effectively solved.…
Fatih Birol, executive director of the International Energy Agency (IEA), said Wednesday that the European Union could face a shortage of about 27 billion cubic meters of gas in 2023, or about 6.8 percent of the bloc's benchmark total gas demand.…