element, obtained 1906 from an earth discovered in 1886, the last to be extracted from the complex earth called yttria, and named dysprosia in reference to the difficulty of obtaining it, from Greek dysprositos "hard to get at, difficult of access," from dys- "bad" (see dys-) + prositos "approachable." With metallic element suffix -ium.
双语例句
1. Dysprosium lamp: Light source for repro - photography and printing down.
镝灯: 复制照相及晒版用光源之一.
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2. Three 3500 W dysprosium lamps are installed on each tower crane for site lighting during night.
罐体施工现场:在每台塔吊上装三盏3500W镝灯用于现场夜间照明.
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3. A supply of electricity will cause the dysprosium iodide to vapourize to glow.
它通电后放电,使碘化镝气化发光.
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4. In order to improve the resistivity of oxidation, dysprosium cobalt ferrite magnetic fluids were prepared.