Article List
- Lithium niobate PropertiesLithium niobate is a colorless solid, and it is insoluble in water. It has a trigonal crystal system, which lacks inversion symmetry and displays ferroelectricity, the Pockels effect, the piezoelectric effect, photoelasticity and nonlinear optical polarizability. Lithium niobate has negative uniaxiaNews March 25, 2021
- Caesium iodide ApplicationAn important application of caesium iodide crystals, which are scintillators, is electromagnetic calorimetry in experimental particle physics. Pure CsI is a fast and dense scintillating material with relatively low light yield that increases significantly with cooling. It shows two main emission coNews March 24, 2021
- Chile's copper exports rose sharply in February from a year earlierChile's copper export revenue rose sharply in February, according to data released by the country's central bank, BNamericas quoted Reuters as saying.Chile's copper exports were $3.879 billion in February, up 65 percent from a year earlier.International copper prices rose above $9,000 a tonne in FebNews March 23, 2021
- Reject "rare earth pain" increase graphite industry research and development investment and tackle key problemsGraphite is an important fundamental material for modern industry.All the major industrial countries in the world regard graphite as a strategic mineral and have issued a series of supporting policies for industrial development.China's graphite reserves, output and exports are in the forefront of thNews March 22, 2021
- Silicon prices up 36% year-to-date! There have been production and shutdown of front-line component factoriesRecently, photovoltaic information released the latest price of silicon material, has been pushed to 120 yuan /kg.The price information of the photovoltaic industry chain has always been concerned. As a raw material, silicon material directly causes the price fluctuation of the middle and downstream industry chain.According to the photovoltaic information statistics, since the beginning of the year, the polycrystalline material rose 8.3 yuan /kg, up about 15%;Single crystal cauliflower material rose 29.8 yuan /kg, up about 36%;Single crystal density increased by 29.2 yuan /kg, an increase of about 34%;Single crystal refeed rose 30 yuan /kg, up about 34%.See the table below, which can directly reflect that the price of silicon material has risen sharply since the beginning of the year and shows a continuous rising trend.News March 18, 2021
- Rare earth high-tech zone: build platform to create innovative highland of rare earth industryThe Rare Earth High-tech Zone will continue to improve the innovation system of the rare earth industry, give full play to the leading role of scientific and technological innovation, improve the rare earth innovation system featuring enterprises as the main body, market orientation and the combination of government, industry, university, research and application, and promote the construction of a national and industrial innovation center and service platform.News March 19, 2021
- Spot tight support magnesium prices strong reboundAfter the Spring Festival, factory spot generally tight, coupled with the opening of the bull market in the base metals, strong fundamentals, magnesium prices rebounded strongly.By February 26, 99.9% magnesium ingot Fugu area factory quoted mainstream ex-factory cash price rose to 15,300 ~ 15,500 yuan/ton, Wenxi area 15,600 ~ 15,700 yuan/ton, 800 yuan ~ 1000 yuan/ton higher than the previous Friday, so far, two weeks after the Spring Festival, magnesium price quickly increased by about 1300 yuan ~ 1500 yuan/ton.News March 12, 2021
- Cement, electrolytic aluminum industry will likely be priority into the national carbon trading marketReporters learned from the relevant channels that the cement and electrolytic aluminum industries with good carbon emission data basis may be prioritized into the national carbon trading market.In addition to electricity, the remaining seven industries, including petrochemical, chemical, building materials, steel, non-ferrous metals, papermaking and aviation, will be gradually included in the national carbon market under the keynote of "smooth docking and smooth transition".Industries not yet included in the national market will continue to trade in pilot markets.Therefore, in the coming period, the pilot market and the national market will be parallel.News March 17, 2021
- The cutthroat competition has resulted in Chinese rare earths selling at "dirt" pricesAt 10:00 a.m. on March 1, 2021, the State Council Information Office held a press conference, at which Xiao Yaqing, Minister of the Ministry of Industry and Information Technology, answered questions from the media on the draft of the Regulations on the Administration of Rare Earth (Draft for Comment) drafted by the Ministry of Industry and Information Technology (hereinafter referred to as the "Regulations on the Administration"). In January, the Ministry of Industry and Information Technology (MIIT) released a draft regulation on rare earth management.Xiao Yaqing, minister of industry and information technology, said at the press conference that rare earths are strategic resources.The promulgation of this regulation is mainly based on the strategy and market demand for the long-term development of rare earths, as well as the problems existing in China's actual development.The purpose of this regulation is to let the market play a decisive role iNews March 09, 2021
- Chemical deposition treatment of magnesium materials and magnesium alloy workpiecesMagnesium alloy materials and artifacts of chemical deposition process is a complicated process, to improve their corrosion resistance and hardness, in this process, the first full surface pretreatment, and then zinc chemical deposition, and chemical deposition of nickel and phosphorus alloy, finally according to the use of other surface treatment, such as corrosion resistance of electroplating nickel, chromium, etc.The process is as follows: polishing → degreasing → pickling → surface activation → chemical zinc dipping → chemical deposition of nickel, phosphorus → electroplating of nickel or chromium.The specific operating conditions and solution formula are shown in the table.News March 08, 2021