radioactive substance

The original plan was to encase a small amount of a radioactive substance in a protective steel container .

原先计划是要将少量的放射性物质封存在一个钢质防护罩中。

For no other new radioactive substance have such positive results been obtained .

其他任何一种新的放射性物质尚未取得如此积极的结果。

Precipitation Issue of Airborne Radioactive Substance in Pipeline of Sampling System

气载放射性物质在采样系统管路中的沉积问题

The suggests about standard of limit on radioactive substance in building materials

建筑材料中放射性物质限制标准的若干建议

An oral dose of radioactive substance used in treatment and diagnosis of cancer .

用来治疗和诊断癌症的口服的放射性药剂。

Standard of limit on radioactive substance for industrial waste slags used in building materials

GB6763-1986建筑材料用工业废渣放射性物质限制标准

The harm of total α - ray and β - ray of radioactive substance in waste water

污水中放射性物质的总α，β射线的危害

The spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation .

伴随有离子射线释放的一种放射性物质自发的瓦解过程。

Fire-alarm , incorporating smoke detectors , containing a radioactive substance

火警报警机，装有烟雾探测器，含放射物质

The wife of a Russian spy who was poisoned with a radioactive substance is now tested positive for it .

俄罗斯特工威克多·利特维年科因放射性物质中毒，现在其妻放射性物质测试显阳性。

Results : Most of radioactive substance was stayed in first area of intestine in atropine-treated , cirrhotic and normal rats .

结果：阿托品组，肝硬化组及正常大鼠组的放射性物质大多潴留在第一区域。

The natural radioactive substance content was determined for fishes , in thermal spring water , farm products irrigated with such water and other biological samples .

测定了在该泉水中养殖的鱼类及用该泉水灌溉生长的农作物和其他有关环境生物样品中天然放射性物质的含量。

A new method of measuring indoor radioactivity of radon is presented by using the indoor fast-moving ball as the sample of a radioactive substance .

给出了一种用室内快速运动的球体作为放射性样品测量室内氡射气辐射活度的新方法。

Nuclear industry wastewater is a kind of untreatable wastewater that contains not only a great deal of dissolved salt but also some quantity of radioactive substance .

核工业废水不但含盐量高，且具有一定的放射性，是一种难处理的工业废水。

Internal radiation therapy uses a radioactive substance sealed in needles , seeds , wires , or catheters that are placed directly into or near the cancer .

内部放射治疗是用密封在针、种子、电缆或导管中的放射性物质，直接作用于癌症或癌症附近区域。

The only means for imaging regional lung ventilation is through a nuclear medicine study But the need to inhale a radioactive substance and poor spatial resolution remain major limitations of this method .

放射性核素检查是目前唯一常规用于肺通气一灌注功能评价的显像方法，但由于其空间分辨率和时间分辨率差，且需放射性物质，应用受到极大的限制。

Conclusion : Intestinal transit time by three parameters were not in accordance , with poorest of the most distal edge of radioactive substance and the best of geometric center or geometric center ratio .

结论：所用3个参数所得的转运时间不完全一致，以远端放射性参数最差，最不敏感，几何中心及几何中心比率的相关性最好。

The lead-acid battery and cadmium nickel battery own the largest share in the battery market ; although the materials are poisonous , heavy metal , radioactive substance , i.e. it lead a serious pollution problems to our environment .

当前蓄电池行业中市场消费最大的为铅酸、镉镍电池，这些电池所用材料分别为重金属和放射性物质，对环境造成较大的污染。

In this paper we introduce the application to clinoptilolite in water treatment such as the removal of NH_3-N , organic pollutant , heavy metal ions , radioactive substance , arsenic and pathogeny microorganism . It involves the activation methods of clinoptilolite for good removal effect .

综述了沸石在去除水中氨氮、有机物质、重金属离子、放射性物质、砷、病原微生物等方面的应用，并涉及沸石的活化改性方法，以探求更好的处理效果。

But the problem is these wild boars have been contaminated with caesium-137 - a radioactive substance with a half-life of 30 years - from eating plants and small animals around the exclusion zone , and now the hunters won 't go near them .

但问题是，由于这些野猪吃的是无人区的植物和小动物，它们已经被一种半衰期有30年的放射性物质铯137污染了。

As the basic safe wall of nuclear reactor , the reactor pressure vessel not only bears high temperature and high pressure , but also contains radioactive working substance .

反应堆压力容器作为反应堆的基本安全屏障，承受高温、高压且内部包含具有放射性的工作介质。