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Corrosion of Alkali Metals on SiC-Si3N4 Refractory of Pusher Kiln, respectively. It was found that the corrosion ability of sodium carbonate to SiC-Si.N. composite brick is stronger than that of potassium carbonate. Combined with theoretical calculation and experimental characterization, it is found that the corrosion process is divided into three stages: corrosi

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2662-9208 und Mindset der Entscheider. Dazu bietet das Buch Denkmodelle und zahlreiche Handlungshinweise. Ein entscheidender Faktor ist die Stärkung der Selbstorganisation und Verantwortungsübernahme durch ein anderes R978-3-658-29093-1Series ISSN 2662-9208 Series E-ISSN 2662-9216

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William Fulton,Piotr Pragaczial: .Inequalities continue to play an essential role in mathematics. Perhaps, they form the last field comprehended and used by mathematicians in all areas of the discipline. Since the seminal work Inequalities (1934) by Hardy, Littlewood and Pólya, mathematicians have laboured to extend and sharpe

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