Journal of Anhui Institute of Architecture and Industry, Natural Science Edition, 4220030, Scraper Conveyor, Improvement of the Structure of the Reducer. Xu Qin, Department of Control Science and Engineering, Nanjing Normal University, Nanjing 210042, Analysis and improvement of the shaft .......
Building structure Light steel structure in the multi-storey building Xia Xinhong Yang Xiao system Multi-layer civil building Yuanda Air Conditioning Co., Ltd. Environmental Research Institute, discusses the design characteristics of multi-story light steel structure, and clarifies the po.......
On the road to saving Moore's Law, everybody seems to be mustering strength. Not long ago, IBM announced the successful development of the 7nm chip, and now another R & D team claims that the smallest transistors ever made - with only a single molecule size.
To accomplish t.......
July 1, 2011, "Road Safety Protection Regulations" will officially begin implementation. For the car transportation industry, it will be a life and death time limit.
The relevant provisions of the Regulations on the Protection of Highway Safety: Article 64 Anyone who vi.......
On June 29, at the Party Central Committee and the State Council's ceremony for donating materials to Tibetan peasants and herdsmen for the “liberation anniversary of Tibet’s millions of serfsâ€, 1433 light trucks for the Tibetan administrative village appeared in.......
Recently, it has been reported that U.S. scientists have extracted nearly pure rare earth concentrates from coal, which can be used for aviation and lighting. The rare earth concentrates contain more than 80% rare earth elements. What is the specific situation? Like it?
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