The first, excessive pursuit of construction speed, affect the quality of …
First, the replacement of the trolley line If the trolley line has been used for a long time, the number of vehicles to be added, the quality is not enough, and the failure rate ne…
Positive temperature coefficient thermal materials have been widely used in many fields such as overheat protection, overcurrent protection, temperature detection, temperature compensation, degaussing circuits, motor starters, and constant temperature heaters. The positive temperature coe…
The feng shui orientation of the bedroom is very important, especially the master bedroom, which affects the master's fortune. If it is a husband and wife, it will affect the relationship between the husband and the wife. Therefore, in home…
First, the use and maintenance of the kitchen sink
1. Clean immediately after use, dry and store, try not to let the water drop on the surface of the sink, because the high-iron c…
Although we can hear the news about "Battery Technology Breakthrough" from three to five, lithium-ion batteries are still the most widely used and comprehensive performance of the best choice. Recently, however, a research team at the MIT Bl…
Polyethylene (PE) can be described as high pressure polyethylene (LDPE) and low pressure polyethylene (HDPE), as well as…
Volume 32, Issue 4, Manufacturing Tolerance, Influence on Strength Dispersion of Composite Bolted Connections Zhao Libin H, Shan Meijuan 2, Peng Lei 3, Ji Shaohua 3, Jia Xiwen 3, Xu Jifeng 3 (1. Beijing University of Aeronautics and Astronautics, School of Aerospace, Beijing 100191; 2. Beij…
Recently, Li Can's team…
Dynamic hip screw internal fixation combined with cement filling for the treatment of femoral intertrochanteric comminuted fractures in the elderly Chen Wenzhao Key words femoral fracture fracture fixation, internal / method elderly intertrochanteric fractures are more common in the elderly…