Fifty years ago, British inventors made and marketed the first electronic "breathalyzer". The alcohol gauge has become standard issue for U.S. law enforcement cracking down on drunk driving. In a sign of the times, U.S. police are now hoping to enlist the so-called "Textalyzer."

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This paper proposes a modern population management and control technology based on big data and artificial intelligence analysis, studies the portrait recognition technology under complex conditions, and successfully applied the results to the grassroots public security combat, and explored a road

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First, the construction method and applicable conditions of the diverticulum There are three categories: full-section construction method, layered construction method and guiding construction method. Second, the construction method and applicable conditions of the handover point 1. If the surrou

“We must not only sell products to developed countries such as Europe and the United States, but also occupy a place.” With the confidence and determination to go global, Fast has brought 11 new products to board the 2014 (13th) Beijing International Automobile Exhibition. , To d

In the autumn of August, the capital of Beijing has added a touch of coolness, but it also has a passion. On August 29, 2018, the 2018 China Truck Open kicked off in Beijing Goldenport International Racing City. As the only Chinese high-level truck sport event in China, the China Truck Open i

According to preliminary calculations, during the “Eleventh Five-Year Plan” period, the cumulative energy consumption of China’s industrial added value dropped by more than 25%, the industrial energy saving exceeded 650 million

The sales of Beijing Hyundai dropped sharply, and once again, the "Red A" suffered a drop in the sales volume, and the net profit in the first three quarters was almost at a low level. The annoyance that took place in Beijing's autos is more than that. Recently, Li Feng, president o

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On May 7, the High Technology Research and Development Center of the Ministry of Science and Technology released the 2018 annual publicity list for the key special projects of the national key R&D project “New Energy Vehicles”, including the research and development of the high-ene

Any type of boilers and furnaces have certain requirements on the quality of coal, under current conditions, to improve the thermal efficiency of the boiler, it is necessary to ensure efficient operation of the boiler to normal, and the characteristics of coal-fired boiler design parameters match. I