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- Objective To evaluate the benefit of 3D CRT and IMRT in target dose uniformity and normal tissue sparing for breast cancer. 目的评价乳腺癌放疗时,适形、调强技术对保护正常组织和改善靶区剂量均匀度的作用。
- Final simulation results prove that the optimized scheme can enhance the nominal electron energy, decrease the surface dose and the bremsstrahlung dose, and ameliorate the dose uniformity. 模拟计算结果表明:优化方案提高了加速器的标称能量,降低了表面剂量和轫致辐射剂量,使剂量均匀性得到明显改善。
- Dmax, Dmin,dose uniformity, utilization efficiency of the irradiator and output of irradiated products were measured, and the measured values were compared with the calculated values. 同时也给出了辐照产品为马铃薯时的产量和源利用率的计算值和实测值。
- Conclusion IMRT can improve target coverage and dose uniformity as well as decrease doses to surrounding normal structures. 结论 调强技术能够提高靶区的涵盖度和剂量的均一性,并降低周围正常组织的受量。
- The scanning may produce a raster of non-intersecting uniformly spaced parallel scan lines and the spacing between the lines is selected to ensure appropriate dose uniformity. 该扫描可以产生不相交的、均匀间隔的平行扫描线的栅格,并且线之间的间距被选择以确保适当的剂量均匀性。
- A dose of this stuff will purge you! 这种药只须一剂就能让你通便!
- He looks very manly in his uniform. 他穿着制服十分精神。
- That morning they all had on their army uniform. 那天早上他们都穿上了军服。
- Give him the dose of his own medicine. [谚]以其人之道还治其人之身。
- A major has a crown on the shoulder of his uniform. 一名少校在制服的肩部有个王冠形的纹章。
- Give him another dose----then he'll fetch up. 再给他服一剂药,他就会苏醒过来了。
- The general's uniform was trimmed with gold braid. 将官的制服饰有金色的穗带。
- The doctor prescribed an oral dose of medicine. 医生开了一剂口服药。
- Everyone should wear clothes uniform with these. 大家都该穿着兴这些相同的衣服。
- Failing the exam was a hard dose to swallow. 考试不及格是一服难咽的苦药。
- Jack looks well in naval uniform. 杰克穿海军制服很漂亮。
- Dose this red go well with that yellow? 这一红色是不是同那一黄色相配?
- The rows of houses were uniform in appearance. 这一排排的房屋外表都是一样的。
- There is lack of uniformity in the annual reports. 这几份年度报告缺乏一致性。
- Soldiers wear a distinctive uniform. 士兵们穿着特制的制服。