No money no honey. Denmark's electric car market performance once again verified this old saying. Recently, according to a report, since the government announced the reduction of subsidies, the sales of electric vehicles in Denmark have declined successively. In the first quarter of this y
Read TutorialIt is a thioester type collector widely used at home and abroad, and the hydrocarbon group in the xanthogen molecule is substituted by an alkylamino group. The structure of thiamine is as follows:   S ∥ R — O — C \ N — R ’  ∣ H   Â
Read Tutorial(Unit: tons) Product ( process ) Tons of product pollutant emission factor Copper ore mining Waste rock: 2 tons of underground mines , 6-8 tons of open pit mines . Copper beneficiation Waste water: 20 tons of re-election and 5 tons of flotation . Â Waste residue: 0.94 tons of tailings Le
Read TutorialThe presence of gold in ore occurs in most cases in the form of natural gold. The dissolution and leaching of natural gold is often achieved by the complexation of gold and cyanide ions. It is very important to use zinc reduction method to recover gold from the leachate. Therefore, it is very impor
Read TutorialThe atomic structures of strontium and strontium are the same, their geochemical properties are similar, and they coexist in nature, producing extremely complete series of similar minerals. No deposits of pure and pure strontium have been found. According to the genesis (mineralization), the antimo
Read TutorialThe Ministry of Science and Technology recently released the “Special Plan for Scientific and Technological Innovation in Advanced Manufacturing Technology in the Thirteenth Five-Year Plan†to strengthen the support for the technological innovation of “Made in China 2025â€, pr
Read TutorialYesterday, a pioneering new technology of using clean energy to replace traditional boiler heating - the "screw-type ultra-low temperature air source heat pump unit" was introduced in our city. The new product was developed by Dalian Zhongxing Technology and Development Co., Ltd. and Sha
Read TutorialJune 9-12, it is regarded as the largest, most influential, most comprehensive and most profitable LED industry event in the industry--the 22nd Guangzhou International Lighting Exhibition (hereinafter referred to as Guangya Exhibition) ) was held in Guangzhou China Import and Export Fair Pazhou Inte
Read TutorialRecently, Yichang Ship Chai won the order of Mann Machinery Co., Ltd. with a total value of more than 4 million yuan. Recently, the relevant person in charge of Mann Machinery Co., Ltd. conducted a two-day inspection and visit to the company, visited the company's various production plants and
Read TutorialDeep Learning Computer systems are a system based on Artificial Neural Networks that mimic human learning methods and are now a hot topic in the field of computer science. In-depth learning has not only helped the development of facial and voice recognition software, but also brought a wealth of d
Read TutorialCar manufacturing is probably the most machine intensive industry out there. Naturally, this makes it an ample space to tinker with 3D prints and designs. In that same vein, students at the Institute of Technology Carlow have developed a prototype F1 car using a combination of CNC machining and 3
Read TutorialRecently, Mr. Srikanth Padmanabhan, Vice President of Cummins and President of Engine Global Division, came to Xi'an Cummins to guide his work. Mr. Srikanth Padmanabhan joined Cummins in 1991. During his 26-year career, he has led many projects to help Cummins drive and develop innovativ
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