The Distribution of Indium, Indium and Selenium Resources

Indium and Selenium tellurium are key materials needed for electronic information materials and thin film solar cell materials. With the development of the world's electronic information industry and photovoltaic industry, the demand for germanium indium and selenium tellurium will inevitably

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Grid structure classification

According to different shapes, the grid structure can be divided into two-layer plate-type grid structure, single-layer and double-layer shell-type grid structure. The plate type net frame and the double-shell type net frame are divided into an upper chord, a lower chord and a web, which are m

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FRP considerations

1. Due to the low density and light material, it is necessary to consider the anti-floating measures such as setting up town piers or rainwater runoff guidance in the area where the groundwater level is high. 2. In the construction of the installed FRP grating and repairing the cracks in the

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Analysis of Development Trend of Steel Market in 2013

With the stabilization of the main economic indicators, the worst period of the Chinese steel market has passed, and the modest rise in 2013 will be noted. The domestic demand is obviously stronger than the external demand, and the currency factor has become an important promoter of price

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ETFE architectural membrane

Made directly from ETFE (ethylene-tetrafluoroethylene copolymer) raw meal. ETFE not only has the excellent impact resistance, electrical properties, thermal stability and chemical resistance of 360-way (film structure master) of Dongguan Jinyuewan Hotel, but also has high mechanical strength a

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Painted steel plate

The color coated steel plate is a steel plate with an organic coating, which has the characteristics of good corrosion resistance, bright color, beautiful appearance, convenient processing and forming, and the original strength of the steel plate, and the cost is low. The substrate of the colo

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