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.
雙語(yǔ)例句
1. Lanthanum praseodymium - cerium rare earth ( LPC ) was a patent composition.
鑭鐠鈰混合稀土 ( LPC ) 是新型專利成分的混合稀土.
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2. Among the simplest are the lanthanum compounds of the form La?
其中最簡(jiǎn)單的是la? 研問降娘緇0合物.
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3. Description: Lanthanum Nitrate is soluble in water and moisture in wet air.
說明: 硝酸鑭溶于水,在潮濕的空氣中易潮解.
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4. The analysis of tilt boundary observed in lanthanum chromates was made.
對(duì)觀察到的鉻酸鑭傾斜晶界進(jìn)行了分析.
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5. Cerium showed more effective than lanthanum for vanadium tolerance of FCC catalysts.