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1·Computer tomography; Perfusion imaging; Radiation dosage.

计算机断层成像；灌注成像；辐射剂量。

2·MRI was used for pre surgical localization, designing and modification of radiation dosage.

MRI用于术前定位、放射剂量的设定与调整。

3·Finally we conclude that the sensitive structure is a constant not varying with the radiation dosage.

得出靶的敏感结构是常数，不因辐射剂量的变化而变化。

4·In order to avoid the harm of X-ray to patients, radioprotection must be paid more attention, and radiation dosage should be minimized.

为了促进X线技术更好地发挥作用，避免X射线带来的危害，必须认真搞好防护，减少受检者的受照剂量，保障公众的健康与安全。

5·According to the dose coefficient method of ICRP, the problem of internal radiation dosage estimation has turned into how to estimate the intake.

ICRP（国际辐射防护委员会）的剂量系数估算方法确立以来，内照射剂量估算的主要问题变成了如何估算摄入量的问题。

6·Results:The radiation dosage for remission of local tumor was much lower in the treatment group than that in the mere radiotherapy group ( P< 0.05).

结果：治疗组局部肿瘤消退时放疗剂量显著低于单纯放疗组（P< 0 .0 5 ）。

7·The radioelement content of certain material is higher, when its intensity and radiation dosage exceed certain limit, can cause a harm to human body.

某些材料的放射性元素含量较高，其强度和辐射剂量超过一定限度时，就会对人体造成危害。

8·Lower speed films produce images of good resolution and dynamic range but requires more photons for exposure and increases the radiation dosage of the subject.

较低的速度电影产生良好的分辨率和动态范围的图像，但需要接触更多的光子，并增加了受辐射剂量。

9·The results showed that the rate of seeding emergence decreased along with the radiation dosage increasing, and there existed negative interration between them.

结果表明，出苗率随照射剂量的增加而降低，它们之间呈负相关；

10·During the preparation, high energy ray is used to radiate the polymer, and radiation dosage and conducting stuffing content are altered to control the shrinking rate and shrinking force effectively.

本发明在制备过程中还使用高能射线对聚合物进行辐射处理，并通过改变辐照剂量和导电填料含量，有效地控制收缩速率和收缩力。