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- homogeneous dose distribution 均匀剂量分布
- The dose distribution was analyzed by dose volume-histogram (DVH). 根据剂量-体积直方图等参数对两者剂量分布进行分析和评估。
- The dose distribution on the central axis plane was measured by film badge. 用胶片法测不同窄条野不同能量下射野中心轴平面等剂量分布,分析等剂量曲线特点。
- Objective: To evaluate the dose distribution of conformal radiotherapy in prostate cancer. 摘要目的：评估前列腺癌适形放疗计划的剂量分布特点。
- The dose distribution in nasopharyngeal GTV and CTV were satisfactory both in CT simulated and conventional planning. 不论是CT模拟计划还是常规模拟计划 ,鼻咽GTV和CTV均可有满意的剂量分布。
- The dose distribution in nasopharyngesl GTV and CTV weresatisfactory both in CT simulated and conventional planning. [结果]不论是CT模拟定位还是X-线常规模拟定位,鼻咽GTV和CTV均可有满意的剂量分布。
- Because heavy ion has the characters of high-LET value and sharp Bragg peak for dose distribution. 因为重离子具有高传能线密度(LET)及剂量分布呈尖布喇格峰的特点。
- Objective To study the TPS dose distribution of the radiation therapy with wedge for upper-thoracic esophageal cancer. 目的:探讨楔形板在胸上段食管癌放疗应用中对TPS剂量分布的影响。
- This procedure of dose distribution in radiotherapy treatment was similar to that of the back-projection in 2D CT image reconstruction. 立体定向放射治疗的剂量累积过程和二维CT图像重建中的直接反投影过程是类似的。
- The dose distribution was calculated by an ADAC treatment planning system on the right breast of a Rando phantom and an actual patient. 本实验先以拟人假体作治疗计画，藉以比较三度空间顺形治疗计画与照野分段技术计画的差异。
- Abstract: Penetrating depth and dose distribution of electron beam in flue gas can influence efficiency of desulfurization and denitration. 摘 要： 电子束在烟气中穿透深度和剂量分布将直接影响废气中硫、氮氧化物的脱除效率。
- The Monte Carlo software MCNP and the Visible Human Project (VHP) dataset are used to simulate the 3-D dose distribution in human body during the procedure of radiotherap... 由于采用人体的真实图像数据,以及蒙特卡罗方法计算粒子输运时的准确性,该方法能够得到真实的三维剂量分布。
- Then we placed the TLD at mid-plane of rando phantom and irradiated at different condition to find out the dose distribution in body in these conditions. 并进行不同条件下的照射与假体内热发光剂量计布点，以瞭解这些照射条件下体内剂量的均匀性。
- Either intracavitary or implantation brachytherapy needs an accurate localization of the position of radiation source in order to calculate the dose distribution. 体腔或插种近接治疗，皆需要有精确的射源三度空间定位，能计算出剂量分布。
- One of the major disadvantages of MRI is its image distortion, which affects the accuracy of the localization of SRT and the veracity of the dose distribution. 对MRI而言,由于存在着影像扭曲的问题,因此影响了SRT定位的精确性,并进一步影响了剂量分布的准确性。
- The radial dose distribution(CDD) on center surface,axial DDON the surface and 0.5 mm apart from the surface of the stent were calculated. For the radial distribution,the variation was less than 1.5%,and so the axial one. 分别计算了中心面的径向、支架表面及离支架表面 0 5mm处的轴向剂量分布 ,径向最大差异为 1 5%25 ,轴向的差异也在1 5%25之内。
- Results The mean absorbed dose and dose distribution depend largely on the size of target cells,the radiation spectrum and intracellular localization and distribution of radionuclides. 结果平均吸收剂量及其在细胞内的分布和细胞的大小、俄歇电子能谱、核素的空间分布密切相关。
- The state or quality of being homogeneous. 同质同质或相似的性质或状态
- The planned dose distributions were more conformal to the sensitive normal tissue structures by IMRT plans in 3 different sites. 在此三个不同部位的计划剂量分布图上，强度调控放射治疗对敏感正常组织结构都较为适合。
- Each of them has its own advantage.One of the major disadvantages of MRI is its image distortion, which affects the accuracy of the localization of SRT and the veracity of the dose distribution. 对MRI而言,由于存在着影像扭曲的问题,因此影响了SRT定位的精确性,并进一步影响了剂量分布的准确性。
