China Drying Network News Dongdong Province severely dealt with the "11·19" major explosion accident of Xintai United Chemical Ind…
In a closed vessel, the solubility of oxygen in water varies with pressure and temperature, as shown in Figures 8 and 9. The hot-pressure oxygen leaching of sulfide minerals is an electrochemical reaction mechanism. When the oxygen pressure is small, the leaching…
Upgrade of coal mine air compressor control system Di Chuanmin (Baodian Coal Mine of Yankuang Group, Jining 273500, Shandong Province) 1 Project Introduction Baodian Coal Mine Machine Room has 6 sets of L250 screw air compressors of compare company, each screw air compressor There are Del…
The Dongfeng Dol…
The automatic booster pump is divided into several types according to different types of automatic switches. Different types of adjustment pressure methods are slightly different:
Spring pressure switch: This kind of pressure switch is the most primitive, and it mainly uses the pres…
It is reported that "Twelfth Five-Year" National 863 Program with the support of "high-energy lithium-ion battery system and battery technology development" project made significant progress. The project to develop lithium iron phosphate cathode materials, hig…
Cummins, the global auto parts manufacturer, announced on June 28 that in the next five years, Cummins will invest US$300 million to establish four new workshops in India. This includes an engine workshop. To this end, Cummins has acquired 300 acres of land in Maharashtra, India.
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In recent years, the development of new energy industries has been steadily improving. According to data from the China Automobile Association, from January to April, the production and sales of new energy vehicles completed 2…
The development of the city not only shows the city's own image. To a certain extent, the development of the city also reflects the development of the local economy, politics, and culture, and is an embodiment of urban charm. Therefore, advancing the trend of t…
Baoding Tianwei Baobian Electric Co., Ltd. is the first ±200kV converter transformer (ZZDFPZ-509.3MVA/500-200kV converter transformer) developed by Shanghai Temple-Linyi ±800kV UHV DC transmission project. Through the test, the performance indicators fully meet the …