查询词典 radioactive nuclide

Study of nuclide transport is an important subject in deep geological disposal system of high-level radioactive waste .

高放废物地质处置系统核素迁移研究是高放废物安全处理和处置的重要内容。

Many types of natural radioactive nuclide, is widely distributed.

天然放射性核素种类很多，分布很广。

Because of the exchange process between the organism and the external environment which they live in, there are Crude radioactive nuclide in most propagation foods at different levels

由于生物体与其生存的外环境之间固有的物质交换过程，在绝大多数动植物性食品中都不同程度含有天然放射性物质。

Because of the administration and equipment, the radiation accident in which radioactive nuclide and rays do harm to the public or the workers directly or indirectly occurs sometimes.

由于管理或设备的原因，核技术应用中放射性核素、射线直接或间接对工作人员或公众的健康、安全造成危害的放射性事故时有发生。

Radioisotope means the nuclide in a certain element with radioactive decay, which has the same ordinal number of atoms but different mass.

放射性同位素，是指某种发生放射性衰变的元素中具有相同原子序数但质量不同的核素。

In the article, considering the potentially severe pollution of the subsurface environment from the low level radioactive waste , the dynamic integrated transport model of low level nuclide in vadose and saturate zones has been established and is used to predict the dynamic action of the nuclide in a disposition spot.

针对处置库中低中放核素释放对地下环境潜在性污染的严重性，建立了核素在包气带和含水层中联合迁移的数值模型，利用所建立模型对某一处置场核素迁移的动力学行为进行环境预测。

The fiber film material with the radioactive nuclide mark is covered at a tumour part or a lesion tissue part after resection, thereby effectively killing the residual tumour cells, and playing roles in stanching, healing wound and preventing adhesion and so on.

将上述放射性核素标记的纤维膜材料包裹在肿瘤或手术切除后的病变组织部位，对残余的肿瘤细胞进行有效灭杀，可以发挥纤维膜的止血、促进伤口愈合以及防粘连等功能。

The high rotten coal (including the anthracite and meager coal ) radioactive level is relatively low,( 238U: 29.1Bq/kg , 232Th: 25.9Bq/kg , 226Ra: 37.5Bq/kg), obviously lower than the radioactive levels of the brown coal and bituminous coal, and fluctuating range little relatively stable until Lincang uranium germanium colliery HeKai Tian little dragon's pool power plant make , investigate than right far correctly, prove natural radioactive nuclide (238U , 232Th , 226Ra ) than activity transformation in the course of utilizing and give locality radiate influence that environment bring.

高变质煤放射性水平相对较低，（238U：29.1Bq/kg、232Th：25.9Bq/kg、226Ra：37.5Bq/kg），明显低于褐煤和烟煤的放射性水平，且波动范围较小、相对稳定通过对临沧铀锗煤矿田和开远小龙潭电厂作出调查比对，说明了天然放射性核素（238U、232Th、226Ra）比活度在利用过程中的转移以及给当地放射环境带来的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。