放射性同位素

A geological time scale based mainly on both biostratigraphy and radiometric dating created stratigraphic refulgence, but at the cost of lowered accuracy and preciseness and weakened function of serving the human society.

以生物地层学为基础并与放射性同位素定年技术相结合建立的、以百万年为计时单位的地质年代表既创造了地层学的辉煌，也在一定程度上降低了地质学对精确数字定年的不懈追求和为人类社会服务的功能。

A radioactive isotope of cesium used in radiation therapy.

铯的一种放射性同位素，用于放射疗法。

Medical cyclotrons accelerate heavy charged particles （proton, deuteron, etc.） to produce radiation isotopes used for clinical applications.

医用回旋加速器主要用以加速重荷电粒子，藉由高速粒子与靶材发生的核子反应，生产放射性同位素供医疗使用。

3 The poisonous, harmful or radioactive workplace is prone to contingent occupational injuries or the transportation/storage of radioactive isotope fails to meet the provision of Article 23 hereinabove

可能发生急性职业损伤的有毒、有害工作场所、放射工作场所或者放射性同位素的运输、贮存不符合本法第二十三条规定的

Or the combination of the dye and the radioactive isotope technique.

或是染色物和放射性同位素的化合物的技术。

It is essential to trap metastable noble gas atoms with high efficiency in the studies of interactions between cold atoms and in dating applications through the detection of radioactive isotopes.

高效率地冷却和囚禁亚稳态惰性元素原子，可用以研究冷原子间的相互作用，以及通过对放射性同位素的检测实现样品年代测定。

Results Capillary electrophoresis detected the 1/600 of the PCR product from 20 picogram of male DNA, as amount of DNA in 3～4 cells.

放射性同位素标记可提高检测灵敏度，但操作复杂、且受一定的条件限制。

A radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction.

使化合物中化学反应的机制显踪的放射性同位素。

The result shows that radioactive isotope tracer petroleum logging technique possesses favorable application prospect both in theory and in production.

实验结果表明，放射性同位素示踪能谱测井技术在理论上和生产中具有良好的应用前景。

KCJJY The application of radioactive isotope in biomedical research is an important part of the peaceful use of atomic energy.

KCJJ 放射性同位素在生物医学研究中的应用是国家和平利用原子能的重要标志之一，有不少用途是其它技术无法取代的。

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。