Recently, Professor Huang Hui from Dalian University of Technology developed a kind of "high sensitivity optical fiber strain sensor with adjustable temperature coefficient". Compared with the existing mainstream fiber grating strain sensor, the sensitivity is improved .......

Recently, Henan Xinlianxin Fertilizer Co., Ltd. exported 30,000 tons of compound fertilizer to South Korea and India, again opening up sales channels in the international .......

With the nation’s emphasis on energy-saving and environmentally-friendly products and its promotion, China’s air-energy industry has continued to expand rapidly with the help of national policies in just over ten years, and the industry is maturing. Nowadays, besides being wi.......

1. It is necessary to allow the air-conditioning to be able to circulate between the loaded goods, and it is possible to maintain the temperature in the cold storage at an equilibrium temperature from beginning to end. It m.......

With the advancement of science and technology, more and more high technology has been applied to automobiles. However, no matter how advanced the car is, it will ultimately rely on tires to transmit power to the ground. As the performance of vehicles continues to increase, as the only pa.......