Quartz sand having unique physical and chemical properties, for the manufacture of glass, refractory materials, silicon iron smelting, metallurgical flux, ceramics, abrasive materials. In the …
Last month, GM's sales exceeded 360,000 units, a record high in the same period of the previous year, and this month's sales have achieved another record. Looking back at GM's third-quarter sales data, its sales volume …
Leaching of nickel, cobalt hydrometallurgical the first step of the valuable metal elements in the material into solution by separation and purification, and ultimatel…
Copper is one of the earliest human discovered metal and used, since copper is highly malleable, easily forged, so in electronics, machinery and other manufacturing various components used to produce multi-; good thermal cond…
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Recently, a research team at Northeastern University, which did research for the Department of Defense Advanced Research Projects Agency (DAPRA), introduced a new sensor that stops power and rest during periods of signal transmission interruption.
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In peanut cultivation, peanut seeds are the most important production materials. High-quality peanut seeds are seedlings and seedlings. If they are not, the seedlings will grow slowly and have weak seedlings. The disease resistance is poor. Therefore, in order to achieve high-yie…