barium
英 ['beərɪəm]
美['bɛrɪəm]
- n. [化学] 钡（一种化学元素）
中文词源
barium 钡
来自词根bar, 重，同gravity, 重力。因该金属元素在同类金属中相对较重而命名。
英英释意
- 1. a soft silvery metallic element of the alkali earth group; found in barite
英文词源
- barium
- barium: see gravity
- barium (n.)
- 1808, coined in Modern Latin by its discoverer, English chemist Sir Humphrey Davy (1778-1829), because it was present in the mineral barytes "heavy spar" (barium sulphate), so named by Lavoisier from Greek barys "heavy," from PIE root *gwere- (2) "heavy" (see grave (adj.)). The metal is actually relatively light.
实用场景例句
- Explain why barium forms peroxide but beryllium does not.
- 解释为什么钡能形成过氧化物而铍则不能。
辞典例句
- Common ceramic elements are barium titanate and lead zirconate - titanate.
- 普通的陶瓷元件分别是钛酸钡和锆钛酸铅.
辞典例句
- There is reflux of barium into the terminal ileum.
- 钡剂反流进入回肠末端.
辞典例句
- Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.
- 在有些油田卤水中,钡的浓度大于100毫克/升.
辞典例句
- Diagnosis can usually be made by barium swallow and tracheogram.
- 确诊要靠钡餐和气管造影.
辞典例句
- Barium as barite ( barium sulfate ) is used industrially as a white pigment for paint.
- 钡以重晶石形态 ( 硫酸钡 ) 在工业上用作油漆的白色涂料.
辞典例句
- The barium sulfate must be a lump - free powder.
- 硫酸钡必须是无块的粉末.
辞典例句
- EDTMPS shows better anti scale effects to sulfate and barium sulfate.
- EDTMPS对硫酸钙、硫酸钡垢的阻垢效果好.
互联网
- Objective To assess the EKG occurring in acute barium poisoning.
- 目的探讨急性钡中毒时心电图异常的临床意义.
互联网
- Why do you want the mucous membrane coated with barium?
- 为什么要用钡附着在黏膜上 呢 ?
互联网
- The production method of industrial barium carbonate was introduced.
- 阐述了工业碳酸钡的生产方法.
互联网
- Please swallow a mouth full of barium meal , then the other mouth.
- 先吞一口钡餐, 接着再吞一口.
互联网
- Barium carbonate crystal with fiber structure was prepared from malonic acid.
- 以丙二酸做为调控剂,得到纤维状的碳酸钡晶体.
互联网
- Explain why barium forms a peroxide but beryllium does not.
- 解释为什么钡能形成过氧化物而铍则不能.
互联网
- Ferrite magnets are sintered permanent magnets composed of Barium or Strontium Ferrite.
- 铁氧体是烧结永磁体,包括钡铁氧体和锶铁氧体.
互联网