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    barium

    英 ['be?r??m] 美['b?r??m]
    • n. [化學(xué)] 鋇(一種化學(xué)元素)

    暢通詞匯

    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。

    英英釋意


    1. a soft silvery metallic element of the alkali earth group; found in barite

    英文詞源


    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.

    實用場景例句


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

    辭典例句

    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.

    辭典例句

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

    辭典例句

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

    辭典例句

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

    辭典例句

    Barium as barite ( barium sulfate ) is used industrially as a white pigment for paint.
    鋇以重晶石形態(tài) ( 硫酸鋇 ) 在工業(yè)上用作油漆的白色涂料.

    辭典例句

    The barium sulfate must be a lump - free powder.
    硫酸鋇必須是無塊的粉末.

    辭典例句

    EDTMPS shows better anti scale effects to sulfate and barium sulfate.
    EDTMPS對硫酸鈣、硫酸鋇垢的阻垢效果好.

    互聯(lián)網(wǎng)

    Objective To assess the EKG occurring in acute barium poisoning.
    目的探討急性鋇中毒時心電圖異常的臨床意義.

    互聯(lián)網(wǎng)

    Why do you want the mucous membrane coated with barium?
    為什么要用鋇附著在黏膜上 呢 ?

    互聯(lián)網(wǎng)

    The production method of industrial barium carbonate was introduced.
    闡述了工業(yè)碳酸鋇的生產(chǎn)方法.

    互聯(lián)網(wǎng)

    Please swallow a mouth full of barium meal , then the other mouth.
    先吞一口鋇餐, 接著再吞一口.

    互聯(lián)網(wǎng)

    Barium carbonate crystal with fiber structure was prepared from malonic acid.
    以丙二酸做為調(diào)控劑,得到纖維狀的碳酸鋇晶體.

    互聯(lián)網(wǎng)

    Explain why barium forms a peroxide but beryllium does not.
    解釋為什么鋇能形成過氧化物而鈹則不能.

    互聯(lián)網(wǎng)

    Ferrite magnets are sintered permanent magnets composed of Barium or Strontium Ferrite.
    鐵氧體是燒結(jié)永磁體,包括鋇鐵氧體和鍶鐵氧體.

    互聯(lián)網(wǎng)