In the insulation test, the insulation resistance value at a certain moment cannot fully reflect the good or bad of the insulation performance of the test product. This is due to the following two reasons. On the one hand, the insulating material with the same performance has small insulation resi
Dehao Runda announced on Monday evening that the company's shareholding company, NVC Lighting and its subsidiaries, intend to increase from no more than RMB 1.1 billion to no more than RMB 1.45 per share from the date of approval by the board of directors until December 31, 2017. The price of th
It is believed that the automatic file is not unfamiliar to each rider. Whether it is an early CVT, a simple AMT, or a technologically mature AT automatic transmission, it has long been a development trend for passenger cars. However, why are the automatic transmissions on trucks still not popular
SUMMARY extracted copper ore copper leach solution contains iron and other impurities, in order to improve the quality of copper, iron and copper need to be separated. Furthermore, the concentration of copper in the oxidized ore leaching solution is very low, and copper needs to be enriched before
The following table lists the main technical and economic indicators of several major aluminum plants producing alumina. Company Name Aluminum to silicon ratio Total recovery rate ( % ) Alkali consumption ( kg/t ) Energy consumption ( kg/t ) total 5.51 80.71 202.4 1691.41 Zhengzhou Alumi
The main chemical reactions in the leaching process of uranium , gold (and copper , silver ) ores occur in aqueous solution. These reactions may be related to the potential of the system and the pH of the solution, respectively, so the general formula is as follows: According to the theory of chem
In August 2010, the number of semi-trailer tractors produced was 21,435. Cumulative production of 247,937 units and sales of 210,497 units totaled 249,897 units. The cumulative growth in production and sales volume was 135.05% and 130.76%, respectively. In August, the production and sales