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
- Wideband distribution amplifier is an economical solution for distributing signals from various frequency standards such as caesium, rubidium, quartz or GPS receivers.
分布式放大器为分配高质量频率标准的正弦曲线频率提供了出色的灵活性。 - Recombinant adenoviruses were generated by packaging of HEK293 and purified by velocity density gradient centrifugation in caesium chloride solutions.
腺病毒载体经HEK293细胞包装产生含反义片段的重组腺病毒，用氯化铯密度梯度离心法获得纯化的高滴度腺病毒； - 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。 - What is more, caesium particles tend to lurk in the grass, which means radiation is more of a risk at toddler height than for adults.
更重要的是，铯尘埃倾向于附着在草叶上，那意味着对于蹒跚学步的孩子来说，危险更大。 - Radioecologist Nick Beresford from Centre of Ecology and Hydrology in Lancaster explained that once in soil, caesium will become bound to mineral components, which limits its uptake into plants.
兰卡斯特生态与水文中心的放射生态学家尼克贝雷斯福德解释说，一旦散入土壤中，铯就会和矿物成分结合在一起，这就限制了植物对其吸收。 - Interaction of microorganism with caesium and its potential application in bioremediation of radionuclide contamination
微生物与铯的相互作用及其在放射性核素污染环境修复中的应用潜力 - 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。 - It is cool and filter the precipitated caesium dichloroiodide.
这是冷却，滤出沉淀的二氯碘化铯。 - Japan has banned shipments of rice from an area near the nuclear power station at Fukushima after high levels of radioactive caesium were detected.
福岛核电站附近某地区自检测出高放射性铯之后，日本政府禁止该地区生产的大米外运。