放射性同位素

An image recorded on a photographic film or plate produced by the radiation emitted from a specimen, such as a section of tissue, that has been treated or injected with a radioactively labeled isotope or that has absorbed or ingested such an isotope.

自动射线照相通过一个标本发出辐射而产生于照相胶卷上或底片上的影象，比如组织的一部分，经过处理或用放射性标记的同位素注射或吸收或吞入这样一种同位素

An image recorded on a photographic film or plate produced by the radiation emitted from a specimen,such as a section of tissue,that has been treated or injected with a radioactively labeled isotope or that has absorbed or ingest ed such an isotope.

自动射线照相通过一个标本发出辐射而产生于照相胶卷上或底片上的影象，比如组织的一部分，经过处理或用放射性标记的同位素注射或吸收或吞入这样一种同位素

R adiogenic isotope ratios can be used as a kind of petrogenetic "DNA" to identify the source components of magmas.

放射性同位素可以用作一种岩石成因的& DNA &来识别岩浆源区的组成。

Treatment of disease with radiation ,especially by selective ir radiation with x - rays or other ionizing radiation and by ingestion of radioisotopes.

放射疗法用放射进行的疾病治疗，尤指用X射线或其它电离辐射的有选择放射和吞下放射性同位素

Methods The occupational health examination was conducted on medical radiation staff who engaged in medical X-ray diagnosis, interventional therapy and radioisotopes. The examination results were analyzed.

对广西从事医用X射线诊断、介入治疗、放射性同位素的医疗放射人员进行职业健康检查，然后对体检结果进行归纳分析。

Methods To engage in Guangxi Medical X-ray diagnosis,interventional therapy,medical radiation radioisotope staff undergo a medical examination,slit lamp examination with lens opacities,and then summarized the results of medical analysis.

方法对广西从事医用X射线诊断、介入治疗、放射性同位素的工作人员进行体检，用裂隙灯检查眼晶状体混浊情况，然后对体检结果进行归纳分析。

Due to its exceptional structure, theNASICON-type zirconium phosphates exhibit excellent properties of ionicconduction, low thermal expansion and capability of ion exchange, etc. As aresult, they are one kind of outstanding carriers for antimicrobial, catalysts,nuclear radwaste and so on.

得益于其结构的特殊性，这一类材料具有良好的离子导电、低热膨胀和离子交换等性能，是抗菌剂、催化剂和固定核废料放射性同位素等极好的载体。

Methods: Blood supply of composite mandibular grafts with different blood supply pedicles was evaluated in canines and rabbits by using angiography and a three-phase technique of radionuclide skeletal imaging.

在成年杂种犬和家兔利用血管造影术和放射性同位素骨三相显像技术进行观察和测定并比较不同血管蒂下颌区复合组织瓣的血供。

Radioisotope ; silicon-32; accelerator mass spectrometry ; liquid scintillation counter

放射性同位素；~（32）Si ；加速器质谱计；液体闪烁计数器

Unlike the constituents of living organisms, fossil fuels contain little or none of the radioactive form of carbon: the carbon 14 isotope, which has eight neutrons in the nucleus rather than the usual six.

和生物体组成不同的是，化石燃料的放射性同位素碳14（原子核内有8个中子，一般碳原子只有6个）含量非常低，有些甚至没有。

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。