Tesla’s automatic driving death, Tesla responded: Deep gri…

CCTV News reported on February 27th that Tesla’s auto-driving function, which lasted for more than a year in Hebei Province, sued Tesla’s auto-driving function and resulted in his son’s death from driving, Tesla had finally been forced to admit in front of a large amount of ev ...more...

Mining, beneficiation and smelting technology of molybdenum …

mining Since most molybdenum ore grades are relatively low, high efficiency mining processes are required, which typically include: Large-scale open pit mining; Underground ore blocks are caving and mining. In this way, large boulders can be broken and the weight reduced. Many molybdenum mines i ...more...

The development trend of open pit mining process systems, wh…

The development trend of open pit mining process systems, which factors should be considered when selecting open pit mining technology? What is the selection principle? A: Development trend: (1) Equipment serialization and complete set. (2) Large equipment. (3) Integrated process or semi-continuous ...more...

Basic knowledge of underground mining safety

Underground mining is a complex production process. It is necessary to comprehensively apply scientific techniques such as geology, measurement, development, tunneling, blasting, transportation, upgrading, ventilation, drainage, power, safety and management, and select appropriate mining methods to ...more...

The three advantages of foreign trade made S&A water chiller…

Colleagues of S&A recently visited Manager Shao, a spindle engraving machine manufacturer in Shenzhen. The spindle engraving machines of Manager Shao are for both internal and external trades. He also matches water chillers to spindle engraving machines for selling together. From con ...more...

Chromite ore grade and mining technical indicators

Chrome iron ore grade and mining technology indicators project Deposit and ore type Endogenous deposit Rich mine Lean mine ω (Cr 2 O 3 )% Boundary grade ≥ 25 ≥ 5 to 8 Minimum industrial grade ≥ 32 ≥ 12 Minimum recoverable thickness m 0.3 to 0.5 1.0 Stone r ...more...

Ford four-sided ventilation slot

Ford four-sided ventilation slot_single-row vaccine transporter_3-6 person vaccine transporter_quotation_how much money_New Transit vaccine cold chain vehicle is cheap and it is very important to vaccinate the new crown vaccine. At present, the new crown vaccine is free ...more...