Among the individual errors of the gear, the tooth profile error has the greatest influence on the noise. In general, the larger the tooth profile error, the greater the noise, but there is no simple proportional relationship between the two. Studies have shown that (1), the magnitude of t.......
The mushroom is a famous edible fungus, belonging to the genus Agaricaceae of the genus Basidiomycetes. It is rich in nutritive value and contains many kinds of fungi. Functional proteins have anti-cancer, anti-allergic, and improve the body's ability to kill rabbits, lower c.......
Following the implementation of the seven major engineering packages and the recently launched “railway transportation†and “modern logistics†project packages, the National Development and Reform Commission re-released “emerging industries†and “e.......
In the past few years, as China has grown into the world's largest auto market, China's auto national brands have also increasingly participated in the international market competition through the strategy of going global. In particular, in the past two years, China’s comme.......
From September 8th to 9th, the tire labeling system research and tire development and testing technology seminar was held in Yancheng, Jiangsu. In the work report of the China Rubber Industry Association "Tyre Label System Res.......
Pump is a kind of universal mechanical equipment widely used in petroleum, chemical industry, power metallurgy, mining, shipbuilding, light industry, agriculture, civil and national defense and other departments, occupies an important position in the national economy. According to 79 statis.......
The air classifier is a kind of equipment that classifies materials by the centrifugal force of the impeller rotation and the traction force generated by the air flow. It has the characteristics of high classification accuracy, energy saving, high efficiency and low production cost, and is .......