Tungsten Oxide

Flotation , also known as flotation separation, is a method of separating useful minerals from ores according to the physical and chemical properties of mineral particles. In the 18th century, it was known that the gas adhered solid particles rose to the surface of the water; In the 19th century, people used gasification (boiled pulp) or acid and carbonate minerals generated by the reaction of flotation graphite flotation. In the late nineteenth Century, due to the increasing demand for metals, the resources of coarse lead, zinc and copper sulfide ores were reduced gradually, in Australia, the United States and some European countries, flotation has been used to fine grained ores to provide concentrates for smelting. At the beginning of the industrial age, the most widely used flotation method is the total oil flotation, it is based on the oily and hydrophilic nature of the mineral and is stirred by adding a large amount of oil to the pulp, the lipophilic mineral sticking to t...

In November 13, 2014, Xinshao County, Hunan Province, compiled by the 407 team of Hunan Provincial Geological Prospecting Bureau, successfully filed on the Provincial Bureau of land and resources.  The report shows that the size of the tungsten ore mine in Xinshao County, Hunan Province is a large-scale tungsten mine, proven tungsten resources reserves of 70,400 tons, associated gold, silver, antimony and other metal elements, is expected to mine service life of about 17 years, the total total economic value of about 8 billion yuan. News once broadcast, it led to a warm reaction to the capital market, the listed company's market value increased significantly, because it is the first record of nonferrous metal mineral exploration in Hunan province since 2000, and the reserves are huge. In China, the shortage of tungsten resources is becoming more and more urgent, and the good news is encouraging. Tan Xian tungsten ore is located in the Cao Jia village, Xin Shao county...

According to the first financial news, apple is working with a Chinese power battery manufacturer secretly developed automotive power batteries, confirmed that the U.S. auto project is not just software, as well as hardware. Apple may really be making a car. One is the Silicon Valley global high-tech giant, and the other is a power battery manufacturer in Fujian, China. Apple and the Ningde era of new energy Polytron Technologies Inc (hereinafter referred to as the "Ningde era", also known as "CATL") is a project based on confidentiality agreements. According to sources close to the collaboration, the first financial services are being co operated in the field of batteries. Amperex Technology Limited (hereinafter referred to as "ATL") is Apple's consumer electronics products, the world's largest battery supplier. The Ningde era was part of the parent company's ATL power battery division, which became independent power battery manufactu...

Nanocrystalline cemented carbide is a tool material developed in recent years. It is based on nano tungsten carbide powder . The cemented carbide with high hardness, high wear resistance and high toughness has been produced under the condition of adding proper binder and grain growth inhibitor, its performance is obviously higher than that of conventional cemented carbide. It has been widely used in hard metal materials, cutting tools, micro drills in the electronics industry, precision molds, medical fields and other fields. In the aspect of ultrafine or nanocrystalline cemented carbide, there are only a few countries in the world such as the United States, Japan, Sweden and so on, which can produce alloy with both high hardness (HRA>90) and high strength (>3 200 MPa). The main difficulties come from ultrafine and nano tungsten carbide powder and other raw materials and cemented carbide production process. From 70 to 80s in China began to study the industrial pr...