查询词典 sealed radioactive source

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。

A radioactive isotope gradually loses its radioactivity and decays over time into the normal form of the substance.

放射性同位素逐渐丧失放射性，并逐渐衰变成该物质的正常形式。

For instance, a compound can be synthesized with one of the atoms replaced by a radioactive isotope of the element.

例如，用某种放射性元素来代替原来的元素合成某一化合物，则放射性就可追踪这一化合物的合成过程。

Any radioactive isotope introduced into the body to study metabolism or other biological processes.

为了研究新陈代谢或其他生物学过程而引入身体的放射性同位素。

A radioactive isotope of carbon.

碳的一种放射性同位素。

Seventy of the 350 naturally occurring isotope s are radioactive.

自然界有350种天然同位素，其中70种有放射性。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。