lanthanum
英 ['lænθənəm]
美 ['lænθənəm]
中文词源
lanthanum 镧来自PIE*ladh,隐藏，词源同latent.因该元素发现之艰难而得名。比较dysprosium.
英文词源
- lanthanum (n.)
- metallic rare earth element, 1841, coined in Modern Latin by Swedish chemist and mineralogist Carl Gustav Mosander (1797-1858), who discovered it in 1839, from Greek lanthanein "to lie hidden, escape notice," from PIE root *ladh- "to be hidden" (see latent). So called because the element was "concealed" in rare minerals.
双语例句
- 1. Lanthanum praseodymium - cerium rare earth ( LPC ) was a patent composition.
- 镧镨铈混合稀土 ( LPC ) 是新型专利成分的混合稀土.
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- 2. Among the simplest are the lanthanum compounds of the form La?
- 其中最简单的是la? 研问降娘缁0合物.
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- 3. Description: Lanthanum Nitrate is soluble in water and moisture in wet air.
- 说明: 硝酸镧溶于水,在潮湿的空气中易潮解.
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- 4. The analysis of tilt boundary observed in lanthanum chromates was made.
- 对观察到的铬酸镧倾斜晶界进行了分析.
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- 5. Cerium showed more effective than lanthanum for vanadium tolerance of FCC catalysts.
- 氧化铈较氧化镧更容易与钒反应,因而具有更强的抗钒能力.
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