| 释义 |
cae·si·um 英ˈsiːziːəm美ˈsiziəmAHDsēʹzē-əm 高BNC⁴³⁸⁰⁰
基本英英词源搭配近义反义例句例句
n.化铯=cesium美.
Noun:
a soft silver-white ductile metallic element liquid at normal temperatures; the most electropositive and alkaline metal来自拉丁词caesius, 天蓝色，词源同cerulean, 天蓝的。因该金属元素在光谱仪里面呈蓝色而得名。caesium photocell铯光电池caesium beryl铯绿柱石caesium atomic clock铯原子钟caesium beam frequency standard钩射束频率标准, 铯…caesium clock铯离子钟,铯钟…caesium chloride structure氯化铯结构caesium cathode敷铯阴极caesium beam tube钩射束管, 铯束管…
近义词 CS碳钢cesium化学铯（元素符号 C…
名词100%
His discoveries, which won him the Nobel prize, led to the caesium atomic clock and the hydrogen maser.
这一获得诺贝尔奖的发现产生了铯原子钟和氢微波激射器。 yeeyan
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.
更近一步说，铯粒子往往潜伏在草地中，这就说明比起成年人，蹒跚学步的孩子受到辐射影响的风险更大。 ecocn
Besides pressure- hosing urban areas, this would involve removing about 5cm of topsoil from local farms as well as all the dead leaves in caesium-laden forests.
除了修复处于市中心的核反应堆压力容器，还包括移除当地牧场5厘米的表层土壤和被铯渗透过的枯树叶。 ecocn
Every time a gust of wind blows, Mr Sato says it shakes invisible particles of radioactive caesium off the trees and showers them over the village.
每当风起时， Sato先生说，就会有无数肉眼不可见的放射性铯尘埃因树林的晃动而随风飘起，自山上洒落村中。 yeeyan
He said detection of the radioactive element caesium outside the No.1 reactor today was“a bad sign” for a core meltdown.
他说今天在第一核电站检测到放射性元素铯，这是核心融化的不好迹象。 yeeyan
Low dose exposure to caesium-137, even over a long period of time, is perhaps not as damaging to health as we would have predicted.
低剂量的铯137辐射，即使辐射时间很长，恐怕也不会造成我们所设想的那种对健康的破坏。 yeeyan
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。 ecocn
Radio-active iodine levels are over100 times higher than government- set standards, while radio-active caesium levels are25 times the official limit.
放射性碘的水平高出日本政府规定的标准的100倍以上，而放射性铯也比官方限制的高出25倍。 hxen
Radioactive caesium has also been detected.
还发现了放射性铯。 who
Radioactive caesium-137 also appeared in one of the samples, but at levels below the legal limit.
其中一个样品中还检测到了放射性的铯-137，但是还在法律限定标准之下。 yeeyan
Removal of caesium by biotechnological methods has potential application in bioremediation of radionuclides- contaminated environment.
微生物方法去除铯在放射性核素污染环境的生物修复中具有实用潜力。 cnki
The recall was started after tests found up to 30.8 becquerels of caesium per kilo of Meiji Step powdered milk.
此次召回是在经测试发现每公斤明治奶粉含有高达30.8贝克勒尔的铯后，才开始的。 treasure.1x1y.com.cn
The researchers used a focused beam of caesium ions to dislodge molecules of water from the inclusions and measured the amount with a mass spectrometer.
研究人员用聚焦的铯离子束将水分子自包裹体中打出并用质谱仪测量其数量。 yeeyan
The main radionuclides representing health risk are radioactive caesium and radioactive iodine.
意味着健康威胁的主要的放射性核素包括放射性铯和放射性碘。 hjenglish
The Caesium-137 may be buried in a scrap yard under tonnes of metal, and local officials believe it could have been melted down.
这块丢失的铯-137可能埋在一个废置场，压在几吨废金属下面；当地官员认为这块材料可能已经被熔化了。 yeeyan
They touched the powder and daubed it on their bodies like carnival glitter, taking fragments of the radioactive caesium chloride salt home.
他们触摸粉末，涂在身上，就如狂欢节闪亮的服饰，并将放射性铯氯化盐碎末带回家中。 yeeyan
Tokyo's tap water, where iodine turned up Friday, now has caesium as well.
周五时从东京的自来水中检测到放射性碘，现在出现了放射性铯。 yeeyan
Vast amounts of caesium-137 were distributed across40 per cent of Europe's surface after Chernobyl.
切尔诺贝利事故之后，大量的铯-137散布到了大约40%的欧洲领土上。 yeeyan
What about caesium-137?
那铯-137呢？ yeeyan
Caesium-137 is a radioactive isotope, formed mainly through nuclear fission.
铯-137是一种放射性同位素，主要由核分裂产生。 yeeyan |