核素

Master the indication and contraindication of bone metastatic carcinoma curring.

掌握骨转移癌核素治疗的适应症和禁忌症。

Because Washington University's Mallinckrodt Institute of Radiology and several other universities have their own small cyclotrons, devices that can produce radionuclides, Dr. Welch plans to establish a production network among these universities to meet the investigators' needs.

因为华盛顿大学的Mallinckrodt放射学研究所与其他几个大学拥有自己的小型回旋加速器，能够生产放射性核素的设施，Welch博士计划在这些大学建立一个生产网络以满足研究人员的需求。

Composition and radioactivity of natural radioactive nuclides of dry and wet fly ash in eight coal-fired powder plants in Sichuan province and Chong Qing city were detected, meanwhile the related synthetic utilization situations were investigated.

对四川省8个大、中型火力发电厂排出的干/湿粉煤灰中天然放射性核素的组成和含量进行了测定和分析；并调查了我省粉煤灰的综合利用情况。

An investigation on radionuclide accumulation by native halophytes and its influencing factors,plant variety and parts,soil K content and profile contribution of radionuclide,was carried out for the feasibility of radionuclide phytoremediation at a radionuclide contamination site,in China.

本研究在某放射性典型污染区域取样，测量了该区域盐生植物及其生长土壤的137Cs含量，以生物富集系数为指标，分析了不同核素土壤分布、K元素含量等因素对BC值的影响。

It is note that the dose can approach to 1.38×10~(-4)Sv based on LUDEP program when adult man chronic inhalants 50 years.

对吸入不同放射性核素所致的年待积有效剂量分析发现，~(210)Pb的贡献最大为9.085×10~(-5)Sv，而~(87)Rb的贡献可以忽略。

SBPR value is increased in patients with myocardial ischaemia or infarction,which has certain clinical predictive value.

核素心肌灌注缺血或梗死患者SBPR升高具有一定的临床预测价值。

The technique of Radome of Interesting was used in knee and whole bone, and R value was calculated.

尾静脉注射^99mTc-MDP进行核素显像，感兴趣区法计算双膝关节与全身放射性比。

The liquid radioactive contamination comes from the radioactive substances produced by the circulatory cooled water activated after neutron radiation;the solid radioactive contamination comes from the match plate in the hot working chamber,the collimation equipment...

液态放射性污染主要指加速器冷却循环水受中子照射被活化形成放射性物质；固体放射性污染为热室工作箱内的模板，退役加速器离子源、准直器和靶周围被活化的器件及与放射性制剂分装、注射相关的用品；放射性气态污染，主要指中子使空气活化产生核素11C、13N、15O、41Ar，空气中其它成份被中子活化产额低，多为气溶胶状态；另外放射性表面污染主要指加速器厅内被活化的固体器件，冷却水破裂或放射性药物意外污染，有关传递通道和贮源容器的表面放射性污染。

The conception,main feature,foundation stone and research area of molecular nuclear medicinemolecular recognition as rationale, radioisotope labeling as tracer, we can explore the vital phenomena and disease take place from molecular level and give ,meanwhiles, giving a correctly diagnose and therapy of disease.

分子核医学的概念（以分子识别作为理论基础，利用放射性核素标记的示踪剂，从分子水平去认识生命现象和疾病发生、发展的规律，从而诊断与治疗疾病的一门综合性的边缘性学科）、主要特点、理论的基石与研究领域

The sketch map of the logic circuit and the explanation of the main parts are presented.This design has been applied in the engineering project of sampling α nuclide. O-shaped ; random ; high speed ; sample

本文用CPLD设计实现了一种能够对随机信号进行高速采集的控制电路，并已经应用于采集某核素信号的工程实践。1一般采

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷