I. Introduction Manganese is widely distributed in nature in various forms of compounds. Since 1770 was found from an aqueous manganese ore, people, manganese alloys, manganese and compounds belong to various methods of production of gold, widely used in industry and agriculture and military. Man
Read moreActivated clay is widely used, and it can completely replace sulfuric acid to produce activated clay. First, the significance of using activated acid to produce activated clay Activated clay is widely used in the decolorization and purification of various mineral oils, vegetable oils, animal oils
Read moreOther blasting First, demolition blasting (1) The relevant provisions of this section apply to the demolition and blasting of various buildings or structures in the vicinity of towns, indoors, important buildings and equipment. (2) Before demolition blasting, the blasting object shall be observe
Read moreWith the convening of the two national conferences in 2014, the country’s strategic direction for promoting new energy vehicles has become more clear and a series of new supportive policies are expected to be introduced and settled. The bus industry has responded positively to government po
Read moreRecently, Michelin Tire announced strong profit growth in the first half of 2012, but sales of tires are expected to decline by 3% to 5% in 2012. In the first half of 2012, Michelin’s net profit increased by 37% to 9.1 billion euros (about US$1.11 billion), compared with 667 million
Read more0 Preface In 2008, the US financial crisis triggered a global economic crisis, China's economy also showed a downward trend. To stimulate domestic demand, China has taken to invest in all types of highway, railway, subway and other infrastructure, encourage research and development and produc
Read moreTitanium white powder production process waste sulfuric acid is discharged mainly acidic wastewater, mainly containing free sulfuric acid, ferrous sulfate, metatitanic acid, and other metal ions and sulfate. The concentration of sulfuric acid in the wastewater is generally 17%~22% of the concentrat
Read moreUnreasonable large-scale mining of salt mines will cause the ground to sink and halogen, causing damage to ground buildings and various facilities and even causing ecological disasters. For example: British Vigne Garda Salt solution mining, urban housing has been destroyed more than four sets: Fran
Read moreChina Drying Network News In July, the nation’s electricity supply and demand balance was on the whole. The total monthly electricity generation amounted to 453.685 billion kwh, and the trans-regional transactions sent a total of 18.21 billion kwh of electricity. The top five provinces and
Read moreRecently, ATAGO, the world leader in refractometry, introduced its latest refractometer product, the PAN-1 Immersion Digital Saccharinometer. The PAN-1 Immersion Digital Sugar Meter overturns the past in handheld, desktop, and on-line forms, using a universal fixture design. It can be ea
Read moreAbstract: The heat pump water heater has been developing relatively quickly since entering the market. However, this growth rate cannot be equated with its recognition. Survey shows that about 90% of ordinary consumers in the consumer market are not aware of heat pump water heaters. Althou
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