I. Overview of gold deposits The atomic number 79 of gold , the element symbol Au, is derived from the Latin Aurnm, meaning the dawn, the metaphorical sun. Gold has only one natural stable isotope 197, which is an equiaxed crystal at room temperature and a vertical lattice. Naturally good crystal
Read moreLiu Wei Zhang Jun Chen Wei (Shandong Institute of Geological Science, Jinan 250013, China) CLC number: TD952.5 Document code: A Article ID: 1671-9492 (2004) 03-0034-02 Since coal-based kaolin associated with the coal, kaolin crystals present in the gap of fixed carbon, it presents an off-white o
Read moreAmong them, the solvent extraction method has the following characteristics: 1 fast reaction speed; 2 sensitive to suspended solids content; 3 good selectivity; 4 loss of organic matter, etc. Direct electrolysis has the following characteristics: 1 fast reaction rate; 2 sensitive to suspended so
Read moreAs the most important gold extraction method today, the cyanidation process has the advantages of mature process, simple process, high recovery rate, strong adaptability to ore and low cost. However, the cyanidation process also has the disadvantage that the leaching cycle is too long. This is main
Read moreThe pulse jet bag filter is used to periodically blow the filter bag with compressed air to remove soot deposited outside the filter bag. When blowing, an instantaneous negative pressure is formed in the venturi tube region, and a large amount of surrounding gas is drawn into the filter bag, so tha
Read moreGeneral industrial requirements for sepiolite deposits: Boundary grade: sepiolite content ≥ 10%. Minimum industrial grade: sepiolite content ≥15% Pulping rate ≥4m 3 /t Decolorization rate ≥100% (5% HCl treatment) Mining thickness ≥ 1m. The stone removal thickness
Read moreLED vertical integration factory Lextar will release the new dual-lens LED automotive headlight module, through its self-developed optical lens design, its maximum light intensity can reach 70,000 cd, which is designed for automotive and locomotive headlights. The optical module will be debuted and
Read moreOn December 30, 2016, Xiamen Innoelectronic Technology Co., Ltd. was the first drafting organization to apply the "GB/T 33459-2016 Application Specification for Trade Tray RFID Tag", which was formally announced by the National Standards Commission No. 27 in 2016. . This standard was pr
Read moreAccording to James Consulting, ams has introduced a visible and near-infrared sensor core that can be used in optical sensing products for mobile devices or built into sensor networks, and is expected to bring products or locations with the help of RFID technology. The identificat
Read moreThe user does not need to touch the switch, just press the remote control lightly, the home lighting can be automatically switched. It is expected that in the near future, smart lighting products will replace ordinary lighting products and become a new mainstream product in the lighting industry. Th
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