- Отрасли: Education
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Harvard University is the oldest institution of higher learning in the United States. It was established in 1636 by the Massachusetts legislature and named after its first benefactor, John Harvard. Located in Cambridge, Massachusetts, Harvard University is an Ivy League university.
用於描述的材料的樣品中放射性強度的基本單位。居裡等於每秒約 1 克鐳的衰變率 37 億蛻變。命名為瑪麗和皮埃爾 · 居裡，在 1898 年發現了鐳。
Industry:Environment
