Optical fiber sensing technology based on Bragg gratings has received extensive attention and research by scientists since the 1990s. Although large-scale, fast and cheap grating production technology and its technology are mature, more expensive optical demodulat.......
The development of dryer equipment has driven the progress of the machinery industry. According to industry association statistics, the dryer market in China has broad prospects, and it has formed a certain scale of development. The types and types of equipment are also constantly increasi.......
At the 2015 Shanghai Auto Show, China National Heavy Duty Truck MT13 natural gas engine officially unveiled. This engine is currently the largest displacement natural gas engine produced by China National Heavy Duty Truck. Its power .......
Invention patent: IC card smart meter information security management module Pate.......
According to the data, in February this year, the top ten enterprises in the passenger car market (referring to the narrow passenger car market, excluding micro-customers) were Shanghai Volkswagen, Shanghai GM, FAW-Volkswa.......
In the process of import and export of materials, the left and right sides of the diaphragm force, up to 4800kN, due to continuous alternating f.......
For the first time in ten years, the supply and demand for imported cars have dropped. In January-February, both imported channels and customs imports declined significantly, and the overall market fell by 19%.
This year, the depth of imported cars is even higher than in 2012, a.......