caesium
英 [ˈsiːziəm]
美 [ˈsiːziəm]
n. 铯
BNC.43929
牛津词典
noun
- 铯
a chemical element. Caesium is a soft silver-white metal that reacts strongly in water, used in photoelectric cells .
英英释义
noun
- a soft silver-white ductile metallic element (liquid at normal temperatures)
双语例句
- Separation of Cs-137 from Reactor Sediment Through Precipitation of Caesium Phosphotungstate
磷钨酸铯沉淀法分离反应堆底泥中的~（137）Cs - Ion exchange separation of rubidium and caesium ⅱ. cation-exchange separation with nitric acid or nitric acid-butanol as eluent
铷与铯的离子交换分离Ⅱ.用硝酸或硝酸-丁醇作淋洗液的阳离子交换分离 - Migration studies of strontium and caesium through crushed granite column
锶和铯在粉碎花岗岩柱中的迁移研究 - Similarly, levels of radioactive caesium in bottom-dwelling fish remain pretty much unchanged more than 18 months after the accident.
相似的是，震后18个月，深海鱼体内的放射性铯浓度几乎没变。 - Radiotherapy is usually provided by means of sealed containers of radioactive caesium or radium that are placed in the vagina and in the cavity of the womb.
放射治疗通常是所提供的手段，密封容器的放射性铯或镭被放置在阴道，并在腔的子宫。 - Meanwhile, these methods have been modified and improved by newly developed caesium magnetometers and by proton-procession magnetometers.
同时，磁法也由于铯磁力仪和质子旋进式磁力仪的发明而得以改进。 - Previous releases of radioactive iodine and caesium had shown that material from the core of at least one reactor has been released.
过去泄露的放射性碘量和铯量已经说明至少有一个反应堆核心有放射性物质泄露。 - Reports say that radioactive caesium is similar to kalium, a commonly used fertiliser and will be easily absorbed by sunflowers.
据悉，铯与肥料中钾的性质较为相似，容易被向日葵吸收。 - And last month, beef from hundreds of cattle contaminated with levels of radioactive caesium far above the official limit was found to have been distributed to shops across the country.
上月，数百头受到严重超标的铯辐射污染的牛身上的牛肉，被发现已经配送至全国各地的商店。 - This paper introduce the improvements of the beam optical system of the long caesium beam frequence standard at Shanghai Observatory, seven Rabi pedestals patterns and seven Ramsey patterns were sweeped and the frequency accuracy data were got during the successive four months.
本文介绍了上海天文台长铯束管束光学系统改进扫得的7条拉比台跃迁曲线和7条莱姆塞跃过曲线及连续开机四个月得到的数据。