Recently, media reports said that the site selection for Infiniti's domestic base has ended and Dalian has finally won the competition in many cities. On November 24, related parties held a low-key signing ceremony for Infiniti’s home base in Dalian.......
I. Establishment of Dongfeng Chaochai Power Co., Ltd.
On November 23, 2011, the ceremony for the establishment of Dongfeng Chaochai Power Co., Ltd. was held. This is a major event for Dongfeng Chaochai Company to implement restructuring and realize strategic development. It i.......
According to the mechanism and the meshing characteristics of a pair of meshing gears, at any of the meshing points, the pressure angle of the other gear at the meshing point can be obtained from the pressure angle of either gear at the meshing point, that is, αi2=arctan[z1 z2tanα0 -.......
During the "11th Five-Year Plan" period, China will invest 6 billion yuan for the construction of 12 major scientific projects, and will build the world's largest telescope in Guizhou, which will extend China's astronomical observation capabilities to the edg.......
Recently, the Ministry of Finance and the Ministry of Commerce issued the “Measures for the Administration of Old and Newly.......
Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, slurries, oils, liquid metals, and radioactive media. The global valve manufacturing industry is mainly concentrated in North America, Europe,.......
Crystal lamps have entered the domestic market for 20 to 30 years. Especially in the past ten years, with the rapid development of China's economy and the improvement of people's living standards, crystal lamps have become more and more popular, and crystal lamp companies have mush.......
StudioJob built the crane light in bronze, which completely mimics the crane used in the industry, but narrows it down. The bulb is equivalent to the object it lifts and can be moved up and down and horizontally with the operation of the crane to change the direction of illumination of the.......
"China Building Materials Network" More than a decade ago, Shanghai Lighting City was once the most professional lighting market in Shanghai and surrounding areas. It was also the leading brand in the industry at that time and was officially closed in 2007. After more than five y.......
Recently, the symposium on the safety management of school buses was held in Fujian Province to carry out remobilization and re-deployment of traffic safety training for student shuttle vehicles, and started the implementation of the "school bus safety project." According.......
1 Reducer noise source analysis (1) Gear parameters and structural design impact on noise When a pair of gears are driven, the greater the coincidence, the lower the noise, and the smaller the coincidence, the higher the noise.
The degree of coincidence indicates the average value of .......
In this paper, the plane model is reduced to a space model. Considering the spatial angle of each component and the inclination angle of the kingpin, according to the conclusion of the plane mathematical model, the relationship between the rack displacement and the steering angle of the in.......