cesium

cesium怎么读

英式音标：[\'si:zɪəm]

美式音标：[\'sizɪrm]

cesium基本解释

n. 铯（55号元素，符号Cs）

cesium的意思释义

n.

铯；

英英释义

n.a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal

同义词：caesiumCsatomic number 55

cesium用法及例句

双语例句

用作名词(n.)

Otherwise cesium tetrachloroiodide may be formed.

不然可能形成四氯碘化铯。

It is the main cesium chloride compound.

氯化铯是它的主要化合物。

例句参考

Ribonucleic acid isolated by cesium chloride centrifugation

Uptake of cesium-137 and strontium-90 from contaminated soil by three plant species; application to phytoremediation

Measurement of Parity Nonconservation and an Anapole Moment in Cesium

Absolute optical frequency measurement of the Cesium $D_1$ line with a mode-locked laser

The Preparation of Merrifield‐Resins Through Total Esterification With Cesium Salts

Application of radioactive fallout cesium-137 for measuring soil erosion and sediment accumulation rates and patterns: a review.

Glissin V, Crkvenjakov R, and Byus C. Ribonucleic acid isolated by cesium chloride centrifugation. Biochemistry 13: 2633-2637

Comparative studies of oxygen adsorption on GaAs(110) surfaces with ultrathin aluminum and cesium overlayers

Measurement of the hydrogen 1S- 2S transition frequency by phase coherent comparison with a microwave cesium fountain clock

cesium词源

cesium (n.)

also caesium, rare alkaline metal, 1861, coined by Bunsen and Kirchhoff in 1860 in Modern Latin (caesium), from Latin caesius \"blue-gray\" (especially of eyes), in reference to the two prominent blue lines in its spectrum, by which it was first identified.

cesium相关例句

1. The results of theanalysis will be posted on an online map, showing cesium concentrations and thenames of sponsors.

分析结果将发到网上，图中将显示铯的浓度和赞助者的名字。

2. At this time, some of the radioactive fission products (cesium, iodine, etc. ) started to mix with the water and steam.

这时候，一些放射性产物（铯、碘等）开始混入水和水蒸气中。

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3. The conditions of determination are that we used cesium nitrate as eliminated electrolytic reagent in the acid medium and applied the subsensitive line as absorption line.

探讨了在酸性介质中以硝酸铯作消电离剂，应用次灵敏线作为吸收线来测定常量钾的较佳条件、线性相关系数。

4. Five months after the disaster, cesium 137 and 134 were detected in more than a dozen bluefin tuna caught near San Diego.

灾害后的第五个月，圣地亚哥附近捕获的数十只金*鱼中都检测出了铯137和铯134。

5. Objective To investigate the optimal beam tube potential for amorphous silicon/cesium iodide flat panel digital chest radiography(indirect DR).

目的探索碘化铯/非晶硅数字摄影系统（间接DR）拍摄胸片的适宜管电压。

6. When you melt them, cesium melts at about 28 degrees centigrade, gold melts at 1063.

当你把它们熔融时，铯在28度就熔化了，金在1063度才熔化。

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7. Otherwise cesium tetrachloroiodide may be formed.

不然可能形成四氯碘化铯。

8. Cesium carbonate catalyzed O-alkylation of phenol to synthesize alkyl aryl ethers.

研究了碳酸铯催化酚与卤代烃反应制备烷基芳醚。

9. Alkali: Inorganic compound, any soluble hydroxide (-OH) of the alkali metals: lithium, sodium, potassium, rubidium, and cesium.

碱：无机化合物，任何碱金属，即锂、钠、钾、铷、铯的可溶氢氧化物。

10. The accessibility of acidic protons in 12-phosphotungstic acid and its cesium hydrogen salt has been studied by the probe molecule trimethylphosphine and solid state NMR.

使用与反应分子大小接近的碱性探针分子三甲基膦和固体核磁共振技术，定量研究了磷钨酸及其铯盐的酸位可接近性。

11. Purpose: A base material of various cesium compounds, used in glass, ceramics, catalyst and chemically analytics reagents.

用途：制取各种铯盐的基础原料，用于生产特种玻璃、化剂、种陶瓷及用作分析试剂。

12. The scientists willuse a $75,000 instrument to detect levels of biologically hazardous gamma-rays, produced by the decay of radioactive cesium in the samples.

科学家们将使用一个7万五美元的设备来监测样品中放射性铯衰变产生的具有生物*性的伽马射线水平。

13. \" In the best cesium fountains the largest source of error are so-called cold collisions, \" Gibble explained.

吉布解释：「较好的铯原子喷泉钟内，较大的误差来源是所谓的冷碰撞。

14. This parer presents the experimental investigation on a digital servo system used in Cesium frequency standards.

本文报告了在铯原子束频标的伺服系统中引入数字电路的实验研究。

15. This paper introduces the frequency deviations of NIM4 Cesium fountain clock , the method and result of a new evaluation.

详细介绍NIM4铯喷泉钟系统频移及其不确定度的较新评定方法和结果。

16. It was confirmed by Tepco to have amountsof radioactive cesium equal to 254,000 becquerels per kilogram, or 2540 timesthe limit of 100 becquerels/kg set for seafood by the government.

东京电力集团确认说这些鱼含有大量的放射性铯元素，相当于每千克的铯含量达到254000贝可，或者说是官方的海产品每千克100贝可标准的2540倍。

17. \"In the best cesium fountains the largest source of error are so-called cold collisions , \" Gibble explained .

吉布解释：「在较好的铯原子喷泉钟内，较大的误差来源是所谓的冷碰撞。」

18. The thermal decomposition of cesium formate monohydrate, CsHCOO·H_2O, was studied by thermogravimetric and differential thermal analysis.

用热重和差热分析法研究了一水合甲酸铯的热分解过程。

19. Using cesium carbonate as catalyxer and potassium carbonate as base, reacting directly phenol with alkyl halides in refluxing acetonitrile will give alkyl aryl ethers in good yields.

以碳酸铯作催化剂，碳酸钾作碱，以乙腈作溶剂，在回流的条件下酚与卤代烃反应高产率得到烷基芳醚。

20. Equilibrium Solubility of Rubidium/Cesium Salt-Mixed Solvent System and Its Phase Relationship;

用三维溶解度参数方法预测聚合物共混物的相容性。

21. Equilibrium Solubility of Rubidium/Cesium Salt-Mixed Solvent System and Its Phase Relationship;

用三维溶解度参数方法预测聚合物共混物的相容性。

22.The metal sheet is coated with a certain special material, such as cesium.

金属片上涂有象铯那样的某种特殊材料。

23.Otherwise cesium tetrachloroiodide may be formed.

不然可能形成四氯碘化铯。

24.Another example of the cubic lattice system is the body-centered cubic crystal of cesium chloride.

立方晶系的另一个例子是氯化铯的体心立方晶体。

25.cesium clock

铯原子钟

27.antimon cesium

锑铯合金