School of Safety Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China State Key Laboratory of Deep Coal Mining Response and Disaster Prevention and Control, Anhui ...
Chemical bonding refers to the attraction between atoms and can come in several different types with varying strength. It allows the formation of substances with more than one atomic component and ...
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A view of the settlement of Maale Adumim and the E1 area of Jerusalem, 2 November 2011. Mahmoud illean / Demotix/Demotix / Press Association Images.
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