“zinc smelting technologyin ancient China”的概念、定义、翻译、参考文献-科学参考

单词	zinc smelting technologyin ancient China
释义	zinc smelting technologyin ancient China Encyclopedia 工学中国古代炼锌技术释 zinc smelting technologyin ancient China中国古代炼锌技术中国明代万历年间已发明并掌握炼锌技术，当时称锌为“倭铅”。15世纪中国开始用锌铸币。1872年在瑞典哥德堡港附近，打捞出一艘1745年由中国驶达欧洲的沉船，船上装有含锌98.99%的锌锭，说明中国明清时期金属锌的冶炼技术成熟，并可以产品出口。
随便看	national bibliography National Bibliography of New Books National Biosafety Committee of Agricultural Genetically Modified Organisms National bond guaranteed on import surtax national bonds National Book Award National Book Design Art Exhibition National Book Expo National Books Museum of China National Broadcasting Company National Broadcasting Company， NBC National Broadcasting Services of Thailand National Bureau of Corruption Prevention National Bureau of Economic Research National Bureau of Standards National Bureau of Statistics of China national business cycle analysis National Calligraphy and Seal Carving Exhibition National Calligraphy and Seal Carving Exhibition for Young and Middle-aged Artists National Campaign for China's Top Ten Museum Exhibitions National Canal Museum national capitalism of the transition period in China National Center for Agricultural Bio-safety Sciences National Center for Atmospheric Research(US) National Center for Biotechnology Information

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