2017 Spring Festival face recognition at the beginning of the train station entry ticket application, a lot of attention. However, most people do not know that in addition to ticket checking, face recognition technology has also been applied to surveillance cameras in many transp.......
Kunming Bao Zipu steel iron ore 1,050,000 t / a beneficiation plant has been put into more than one year, the joint process of re-use magnetic iron production index of 29.15% fine mineral, grade TFe55.05%, PO.576%.......
Zirconium metal is an important raw material of modern industry.
Zirconium (including niobium ) has good plasticity; the corrosion res.......
Zhongzhou granary is an important commodity grain base in China. Wheat in Nanyang is an important traditional dominant crop and occupies a pivotal position in grain production. In order to give full play to Nanyang's advantages and conditions as the core area of ​â€.......
A series-parallel machine tool and its error analysis Zhao Junwei Xu Zhengao Fanguang and other kinds of series-parallel machine tools and their error analysis Zhao Junwei Xu Zhengao Fan Illumination Li Zhuzheng Miscellaneous oil shot manufacturing mistakes and the sliding of the carriage t.......
B rod rotor (impeller)
This type of impeller is made up of a circular rod as a stirring aeration tool, which is composed of some rods regularly fixed to one or two discs, and has nothing in common with the impeller of the pump, so it is often called a rotor. The specific.......
Abstract: This paper describes the wet screening of asbestos by comparing the screening principle, the screen area, the screening medium, the pore size of the sieve, the permeability of the material, etc. in the method of wet test and dry test.......
In September of this year, Beijing Public Transport put on a new batch of pure electric buses, which were equipped with 455 and 496 roads fro.......