查询词典 radioactive

Slack water deposits are indicators of water level and age of paleoflood. They can be identified using Quaternary Period geology and hydrology, and can be aged using radioactive isotopes or other methods.

平流沉积物是洪水水位和发生年代记录的载体，利用第四纪地质学和水文学可以把它发掘出来并用放射性同位素或者其它断代方法测定它发生的年代，再通过断面恢复，进行流量推求，这就是古洪水研究。

It is prohibited to discharge radioactive waste liquid by using soakaway, seepage pit, natural crevice, karst cave or by other means prohibited by the State.

禁止利用渗井、渗坑、天然裂隙、溶洞或者国家禁止的其他方式排放放射性废液。

Academic achievement:(1) early study of the electromagnetic wave transmitting and receiving;(2) found that there is penetration of uranium weak penetration of the α and β two kinds of radiation;(3) and Soddy worked together to propose release of radioactive atoms can be α or β atom into another element.

学术成就：（1）早年研究电磁波的发射和接收；（2）发现铀中有穿透力弱的α和穿透力强的β两种辐射；（3）和索迪合作提出放射性原子可以通过放出α或β变成另一种元素的原子。

Methods Cell titer 96 Non-radioactive Cell Proliferation Assay was used to study the growth of cultured thyrocytes from thyroid adenomas and paraadenomatous tissues in response to various concentration of sodium iodide.

手术切取甲状腺腺瘤及腺瘤旁正常组织，采用单层细胞培养技术和非同位素标记的细胞增殖分析法，检测不同浓度碘化钠经过不同作用时间对甲状腺细胞生长的影响。

Methods Based on the cloning of human sodium/iodide, stably expressing hNIS human glioma cell lines TJ-905-t and transient co-transfection of hNIS and hT-PO cell lines TJ-905-co were obtained, their radioactive 125I uptake function and ^131I inhibitory effect on cell proliferation were investigated.

方法应用基因转染技术获得稳定表达hNIS的TJ-905转以及hNIS和人甲状腺过氧化物酶瞬时共转染的TJ-905共，然后研究两种细胞的摄碘功能以及^131I的细胞毒作用。

The stability of the sphene, as the selected crystalline solid of radioactive elements, has an important significance for security estimate of the solid, including nucleus waste material.

放射性核素固化体备选矿物的研究是高放废弃物处理及其安全性评估的重要方面，但选择理想的人工固化矿物及其评估在地质环境中的安全性一直是一个需要解决的难题。

Who can use the blue color radioactive wave to control arrow to fly is more stable, who possibly shoots object more exact.

谁能用蓝色放射性波控制箭飞的越稳定，谁就可能射得越准。

Counting the layers is one way of assessing how old a stalagmite is. But radioactive dating provides a second, and sometimes more accurate, assessment.

而计算石笋的年轮只是测量其年龄的一种方法，放射性年代测定技术提供了另一种更为精确的方法。

According to (Dissanyake 1993), the gemstones over there with economic worth have more than 30 kinds, in addition to those rare Taaffeite and strong radioactive Ekanite. The producing area distributes in the southwest area of the country, and the business is mainly centered around the jewel city, Rantnapura as. Among all those gemstones, quite a few is suitable for Taiwan market; they are simply chrysoberyl cats eye, Alexandrite, Sapphire, Star ruby, and star sapphire.

据(Dissanyake 1993)，具有经济价值的宝石有30种以上，还有少见的塔菲石、具强放射性的艾卡石Ekanite等，主要分布在西南部，以宝石城Rantnapura为主要集中区；但适合在台湾市场销售的宝石并不多，主要昰金绿猫眼石、变石、蓝宝石、红宝和蓝宝星石。

Such radioactive elements as strontium 90 were distributed worldwide in nuclear-bomb testing in the 1950's and early 1960's.

这些放射性元素——像锶－90，在20世纪50年代和60年代早期的原子弹实验中被广泛地散发到全球各地。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。