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铌
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铌niobium 【医】 Nb niobium 铌(1)鈮ní(2)一种具有极亮光泽的铂灰色韧性金属元素,主要为五价,产于铌铁矿及其他各种稀有矿物中;但总是伴随着钽(因为它们化学性质十分类似),钽可作为副产品被从中分离出来。铌主要用于合金中(如不锈钢中,少量的铌可防止晶间腐蚀) [niobium]――元素符号Nb
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Vantaa
vantage
vantage ground
vantage point
v antenna
Van test
van't Hoff
van't Hoff complex
van't Hoff equation
Van't Hoff formula
van't Hoff isobar
van't Hoff isochore
Van't Hoff isotherm
van't Hoff's law
Van't Hoff's reaction isochore
Van't Hoff's reaction isotherm
van't Hoff's Schutz's
van't rule
Vanua Levu
Vanuatu
Van Vechten
van vehicle
Van Vleck
vanward
Vanzetti
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更新时间:2026/10/12 18:34:51