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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。

All its isotope s are radioactive.

镭的所有同位素都是放射性的。

The radioactive isotope iodine-131, with an eight-day half-life, is very useful in medicine and other applications

放射性同位素碘－131的半衰期为8天，在医学和其它应用中都很有用。

A radioactive isotope of iodine widely used as a tracer in medical diagnosis .

放射性碘碘的一种放射性同位素，广泛地用于医学诊断作为追踪剂

Expectant mothers may not do work connected with radioactive isotope s.

怀孕女工不得做与放射性同位素有关的工作。

Alone or the combination of the dye and radioactive isotope techniques.

用染色的化合物和。放射性同位素技术，标记节点活组织切片检查。

A radioactive isotope of iodine widely used as a tracer in medical diagnosis.

通过观察或测定放射性同位素示踪原子的行为或强度来研究物质的运动和变化规律的技术。

The course of theory teaches the principles and application of experiments, including Purification and clinical application of enzymes, Chromatography, Electrophoresis and Radioactive isotope application.

理论课讲授实验技术的原理及应用，包括：酶的纯化与临床应用，层析，电泳和放射性同位素应用简介。

3 Each and every radioactive isotope must be registered transported and stored as per Chinese Law / Regulations.

每个／种放射性同位素体都必须按照中国相关法律法规进行登记，运输和储放。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。