On April 23, 2018, Cummins unveiled its off-road electric power system for the first time at the INTERMAT International Infrastructure Exhibition in Paris, France (Cummins booth: Hall 5A, F021), attracting many insiders and visitors. The Cummins Non-road Extended Range Electric Power System (REEV) ...MORE...
Cummins Launches New Choice for Power System of Constru…
Treatment of low grade molybdenum ore by electrooxidati…
Electrooxidation treatment of low-grade molybdenum ore is a new technology developed in recent years. Invented by the US Mines Bureau and expanded on the basis of small tests. Other countries in the world are also conducting in-depth research and generally believe that this is a promising approach. ...MORE...
· Lexus recalled 25,000 vehicles in two months, accoun…
This week, the AQSIQ released the latest data showing that in 2017, a total of 22.848 million defective vehicles were recalled, an increase of 77% year-on-year, marking a record for four consecutive years. One out of every 10 vehicles in the country is involved in the recall. Since the beginning ...MORE...
1468 working face above cut through the fault measures
1468 working face above cut through the fault measures The cut surface of the 1468 working face reveals a fault of H=1.5m in the process of propulsion. The fault is located about 10m above the third head and gradually extends toward the tailing direction, which has an increasing trend for safety. ...MORE...
Filtered self-rescuer safety operation procedures
1. The self-rescuer is an instrument that filters carbon monoxide gas for personal self-rescue. 2. The oxygen concentration of the use environment shall not be less than 18% and the concentration of carbon monoxide shall not exceed 1%. 3. The downhole personnel of the instrument must be carried wit ...MORE...
Mineral Processing Agent Overview
Chemical additives added to improve the efficiency of the operation during the beneficiation process are collectively referred to as ore dressing agents. According to the beneficiation process, it mainly includes grinding aids, flotation reagents, filter aids, surface modifiers, and the like. The e ...MORE...
Earthworms are widely distributed trace elements in nature. Strontium fifth period of the second group is located in the periodic table, is one of alkaline earth metal elements. To date, about 46 species of antimony minerals have been discovered in the world. The output of strontium minerals are re ...MORE...