Technical Practice of Improving Blasting Effect of Monk Bridge Iron Mine
In recent years, affected China's economic transformation, the growth rate of decline, …
Weichai Power Successfully Issued US$775 Million Senior Overseas Perpetual Bonds
On September 7, 2017, Weichai Power successfully used an overseas wholl…
The main content of the middle section development design
The mid-plane development design is part of the design of the deposit. The main content is the …
The necessity of studying the structure of the bottom of the nugget
(1) The bottom structure of the ore block occupies a considerable part of the ore, accounting f…
Lower shaft development plan
The …
From building a factory to opening a big wave of "new car" is gradually taking the vector production
Publish production vehicle…
July sales of new energy passenger vehicles increased by 46% year-on-year to 43,000 units BYD Song.
According to the latest data from the CSR Federation, sales of new energy passenger vehic…
Desktop vacuum drying oven troubleshooting
Possible troubles in the process of using desktop…
What are the rotary teeth?
Introduction: Rotary teething is a kind of construction…
Smart City 4-story model structure and 13 key technologies
The common model of smart city is divided into bottom-up: perception layer, comm…
Quantitative estimation of gear meshing impact noise
Ffi.008 Quantitative Estimation of Impact Noise of Mechanical Science and Technology Gears…