查询词典 radioactive

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。

Article 56 As stipulated in Article 26, section 3 of this law the operating licenses of nonmedical radioisotopes and radioactive facilities are divided into junior, medium and senior grades.

第56条本法第二十六条第三款非医用放射性物质及可发生游离辐射设备之操作执照，分为初级、中级及高级三种，其操作范围依左列规定

The monitoring results of radioactive and nonradioactive harmful materials in the environment surrounding a uranium tailing pool are reported.

本文报道了铀水冶尾矿库环境中的放射性和非放射性有害物质的监测结果。

second,there is the problem of waste.all nuclear power stations produce wastes that in most cases will remain radioactive for thousands of years.it is impossible to make these wastes nonradioactive,and so they must be stored in one of the inconvenient ways that scientists have invented.for example,they may be buried under the ground

第二点，就是浪费的问题。多数情况下所有核电站废弃物都会存在核辐射数千年，要使这些废弃物不带有辐射又是不可能的，所以核废物必须用科学家们发明的一种方法来储存处理。例如，可以把它们埋在地下

All nuclear power stations produce wastes that in most cases will remain radioactive for thousands of years.It is impossible to make these wastes nonradioactive,and so they must be stored in one of the inconvenient ways that scientists have invented.

多数情况下所有核电站废弃物都会存在核辐射数千年，要使这些废弃物不带有辐射又是不可能的，所以核废物必须用科学家们发明的一种方法来储存处理。

Sensitive and reproducible techniques of radioactive, nonradioactive and double-label in situ hybri...

原位杂交以其能原位探测基因及其表达功能，近年来得到了广泛的重视。

Nonradioactive spectrophotometric HAT assay is an alternative method to the widespread radioactive assay but suffers from drawbacks as lack of sensitivity and accuracy.

非放射性分光光度HAT测定方法虽然可替代广泛使用的放射性检测方法，但缺乏灵敏度和准确性。

The age ［A］ of a geological sample can be estimated ［B］ from the ratio of radioactive to nonradioactive carbon present ［C］ in the object is examined ［D］.

这时，我们可以把-ED分词结构理解为一个省略句，即省去了"主语和be的变化形式"。

The age of a geological sample can be estimated from the ratio of radioactive to nonradioactive carbon present in the object is examined .

ED 分词用作状语时，跟-ING 分词作状语时一样，修饰主句的谓语动词，意义上相当于状语从句，表示时间，条件，原因，伴随状况等。

Polymarase Chain Reaction may be the better method of detecting M.tuberculosis than other methods and lead us to carry out a series of research on this problem. This thesis is composed of five parts:(1)systematic evaluation for the first time of the ability of five defferent PCR methods to detect M. tuberculosis;(2) using the endonuclease and southern blot by a radioactive and a nonradioactive labeled probe, to confirm the specificity of the PCR products and to analyse the sensitivity of detection by southern blot method using digoxigenin-labeled probe;(3) evaluation of acid-fast staining, bacterial culture and PCR for the detection of M. tuberculosis in sputum, pleural and peritoneal effusion samples;(4) The feasibility of PCR for detection of M tuberculosis on formalin-fixed paraffin embedded tissues;(5) 26 cases of sarcoidosis were retrospectively studiedwith PCR for M. tuberculosis and nontuberculosis Mycobacterium and the problems on histopatholoical diagnosis of sarcoidosis are discussed.

论文共分为五个部分，(1)首次系统地比较了五种不同引物序列的PCR检测结核杆菌方法的特异性和敏感性等情况；(2)利用限制性内切酶酶切分析和同位素及非同位素标记DNA探针进行Southern杂交的办法，分析PCR产物的序列与原设计是否相符及杂交检测PCR产物对提高检测结核杆菌敏感性的情况；(3)并对PCR用于快速检测临床标本中的结核杆菌进行了初步评价；(4)探讨了PCR用于检测石蜡包埋组织中结核杆菌的作用；(5)并利用PCR检测结核杆菌和非结核分枝杆菌的方法对26例原病理诊断为结节病的病例进行了PCR检测及组织病理学诊断的探讨。

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。