The reporter learned from Xinjiang Hami that as the second new two-lane control project of Lanzhou, the 19.3-km-long Hamitai overpass has been constructed on January 3 after 1007 days of construction, becoming the longest railway overpass currently built in Xinjiang. . A total of 584 hole

Ferrari fans from New York, Peter Kalikow, visited the Ferrari factory in May 2011 to personally extract Ferrari for their Superamerica 45. There is only one car in the world, which is specially tailored by Kalikow to celebrate its 45th anniversary as a Ferrari owner. The most distinctive

After experiencing the investment boom from 2006 to 2007 and the rare silence from 2009 to 2010, the demand for radial tires in the global engineering industry has rapidly recovered. At present, the global reproduction of engineering radial tire production boom . U.S. demand or innovation i

After experiencing the investment boom from 2006 to 2007 and the rare silence from 2009 to 2010, the demand for radial tires in the global engineering industry has rapidly recovered. At present, the global reproduction of engineering radial tire production boom . U.S. demand or innovation i

Guangzhou colored homes development, production SSS series dual-band dual wet vertical ring high gradient magnetic separator (FIG. 1) is a new and efficient magnetic separation apparatus, since the unique dual pulsers, able to combine the concentrate mass and the metal recovered The rate can not on

Sulfide ore biooxidation is under the action of autotrophic bacteria (e.g. bite Thiobacillus, Thiobacillus iron oxide), and the ore pre-treatment, the gold oxide and dissociated out, and then using a conventional cyanidation (or other methods) reacting Gold recycling. For pyrite, the resulting rea

Ether (C 2 H 5 OC 2 H 5 ) extracts gold in view of the fact that diethyl ether can form a group cation with an acid in a high concentration hydrochloric acid solution, and combines with a complex anion of trivalent gold to form a neutral sheep salt. The reaction process is: With R representing C 2

A low-grade copper- molybdenum mine in Xinjiang contains 0.29% copper and 0.004% molybdenum. The copper-molybdenum mixed flotation-mixed concentrate separation process was adopted, and the obtained indexes were: molybdenum concentrate containing 46.12% molybdenum, molybdenum recovery rate of 54.32%

Mining plays an important role in the economic development of Weinan. However, the current mining situation in Weinan has problems such as high level of development of mineral resources, low development technology, and low utilization level. The resource advantage has not been transformed into econ

Take the boiling roaster as an example, referred to as a boiling furnace, also known as a fluidized bed roaster. A device for roasting sulfide ore by solid fluidization techniques. Roasting process has released reaction heat, to produce a gas containing sulfur dioxide is mainly used to manufacture s

What need to pay attention when using the pressure change calibrator? Xiao Bian to answer for you: The pressure gauge calibrator should be placed in a dust-free, non-corrosive environment. When the pressure calibrator is not in use, the power supply should be turned off. If the pressure

On April 1st, Dr. Wang Quanlu, a senior scientist at the Transportation Research Center of the Argonne National Laboratory, and a member of the International Advisory Committee of the China Electric Vehicle 100-member Association, came to the Group to investigate electric vehicles. Shifeng Electri