xenon 核心詞議:
n. [化學(xué)] 氙(稀有氣體元素)
xenon 基本解釋
速記方法
速記技巧
詞源記憶法
來自希臘語xenos,客人,陌生人,其發(fā)現(xiàn)者蘇格蘭化學(xué)家William Ramsay因這種元素發(fā)現(xiàn)困難而命名。比較krypton,dysprosium.
知識(shí)擴(kuò)展
中文詞源
xenon 氙,氙氣
來自希臘語xenos,客人,陌生人,其發(fā)現(xiàn)者蘇格蘭化學(xué)家William Ramsay因這種元素發(fā)現(xiàn)困難而命名。比較krypton,dysprosium.
中文詞源:
xenon 氙,氙氣
來自希臘語xenos,客人,陌生人,其發(fā)現(xiàn)者蘇格蘭化學(xué)家William Ramsay因這種元素發(fā)現(xiàn)困難而命名。比較krypton,dysprosium.
xenon
精選例句
1、 The Zeplin detectors are filled with liquid xenon.
Zeplin探測(cè)器中充滿液態(tài)氙。
常見考點(diǎn)例句:
- One of these is the large underground xenon ( lux ) experiment .
- 這些實(shí)驗(yàn)其中之一即為大型地下氙實(shí)驗(yàn)(lux)。
- First , a range of less-dangerous gases are liberated , including tritium , krypton and xenon .
- 首先會(huì)釋放一系列危險(xiǎn)性較低的氣體,如氚、氪和氙。
- The xenon atoms lost a whopping 21 electrons at once , which indicates that it was hit by 50 photons simultaneously .
- 氙原子一次失去了高達(dá)21個(gè)電子,這表明它同時(shí)被50光子擊中。
- Accelerating 60 mile per hour consumes a mere 37 ounces of the xenon propellant on board , and that propellant has to last .
- 每小時(shí)60英里的加速只消耗船上氙推進(jìn)劑37盎司,推進(jìn)劑還得繼續(xù)堅(jiān)持。
- In particular , the researchers were studying the isotope ratios -- or the comparative abundances of the different forms of a particular element -- of the gaseous elements krypton and xenon .
- 特別一提,研究人員對(duì)其同位素含量進(jìn)行了分析:即特殊元素的不同形式氪和氙在氣體中所含的相對(duì)豐度。