barium

barium

英 ['beərɪəm]
　　美 ['bɛrɪəm]

n. [化學] 鋇（一種化學元素）

中文詞源：

barium 鋇

來自詞根bar, 重，同gravity, 重力。因該金屬元素在同類金屬中相對較重而命名。

例句：

1. Explain why barium forms peroxide but beryllium does not.
解釋為什麼鋇能形成過氧化物而鈹則不能。

2. Common ceramic elements are barium titanate and lead zirconate - titanate.
普通的陶瓷元件分別是鈦酸鋇和鋯鈦酸鉛.

3. There is reflux of barium into the terminal ileum.
鋇劑反流進入回腸末端.

4. Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.
在有些油田鹵水中,鋇的濃度大於100毫克/升.

5. Diagnosis can usually be made by barium swallow and tracheogram.
確診要靠鋇餐和氣管造影.