beryllium 核心詞議:
n. 鈹(元素符號Be)
beryllium 基本解釋
速記方法知識擴展
中文詞源
beryllium 鈹
從綠寶石beryl中提煉出來的化學元素。
中文詞源:
beryllium 鈹
從綠寶石beryl中提煉出來的化學元素。
beryllium
精選例句
1、 If you would beseech a blessing upon yourself, beware!
如果想為自己懇求祝福,千萬小心!
常見考點例句:
- I wonder where he intends to find one ? Beryllium sphere ?
- 我想知道他從哪里可以弄到?鈹球?
- To detect such a tiny force , the nist team confined about 60 ultra-cold beryllium ions in a device called a penning trap , which uses magnetic and electric fields to imprison charged particles .
- 為了測出如此微小的力,國家標準和技術學會的團隊將大約60個超冷鈹離子裝在一個叫做“潘寧陷阱”的裝置中,該裝置是利用磁場和電場禁錮帶電粒子的。
- Isotopes of carbon in tree rings and beryllium in ice cores show a drop-off in solar radiation during much of the period .
- 樹木年輪的碳同位素和冰核中钚同位素的檢測都顯示出在上述階段的大多數時間內太陽輻射能量出現下降。
- It will take tens of thousands of tonnes of steel and concrete , plus a whole host of more unusual materials : beryllium , niobium , titanium and tungsten ; frigid liquid nitrogen and helium .
- 這需要用到數以萬噸計的鋼鐵和混凝土,還有大量其它稀有物質,比如:鈹,鈮,鈦,鎢,冰冷的液態氮和氦。
- This is how richard went about trying to split the atom . First , he got a saucepan . Into it he put his radioactive elements the americium and radium . He mixed them up with sulphuric acid and beryllium , and turned on the stove .
- 理查德嘗試原子裂變的過程是這樣的:首先,他搞到一口平底鍋,將放射性元素镅和鐳放入其中;然后再將硫酸和鈹混入其中,把鍋放在爐灶上加熱。