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    Antimony is a member of group 15 of the periodic table, one of the elements called pnictogens, and has an electronegativity of 2.05. In accordance with periodic trends, it is more electronegative than tin or bismuth, and less

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    Copper is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high

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    The following is a glossary of some key terms, concepts and acronyms used on this and other associated websites. The terms and definitions are drawn from a number of sources including legislation, standards, codes of practice, guides, reports and other documents.

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    What you need is what we can do! In the future, Xinhai will continue to rely on three big supporting "technology, talents, management", adhere to the international development strategy, and concentrate on providing customers with modern, efficient, energy-saving mine overall construction and operational solution, to create international leading enterprises in mining industry.