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- The dose distribution was analyzed by dose volume-histogram (DVH). 根據劑量-體積直方圖等參數對兩者劑量分布進(jìn)行分析和評估。
- The dose distribution on the central axis plane was measured by film badge. 用膠片法測不同窄條野不同能量下射野中心軸平面等劑量分布,分析等劑量曲線(xiàn)特點(diǎn)。
- Objective: To evaluate the dose distribution of conformal radiotherapy in prostate cancer. 摘要目的：評估前列腺癌適形放療計劃的劑量分布特點(diǎn)。
- The dose distribution in nasopharyngeal GTV and CTV were satisfactory both in CT simulated and conventional planning. 不論是CT模擬計劃還是常規模擬計劃 ,鼻咽GTV和CTV均可有滿(mǎn)意的劑量分布。
- The dose distribution in nasopharyngesl GTV and CTV weresatisfactory both in CT simulated and conventional planning. [結果]不論是CT模擬定位還是X-線(xiàn)常規模擬定位,鼻咽GTV和CTV均可有滿(mǎn)意的劑量分布。
- Because heavy ion has the characters of high-LET value and sharp Bragg peak for dose distribution. 因為重離子具有高傳能線(xiàn)密度(LET)及劑量分布呈尖布喇格峰的特點(diǎn)。
- Objective To study the TPS dose distribution of the radiation therapy with wedge for upper-thoracic esophageal cancer. 目的:探討楔形板在胸上段食管癌放療應用中對TPS劑量分布的影響。
- This procedure of dose distribution in radiotherapy treatment was similar to that of the back-projection in 2D CT image reconstruction. 立體定向放射治療的劑量累積過(guò)程和二維CT圖像重建中的直接反投影過(guò)程是類(lèi)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. 本實(shí)驗先以擬人假體作治療計畫(huà)，藉以比較三度空間順形治療計畫(huà)與照野分段技術(shù)計畫(huà)的差異。
- Abstract: Penetrating depth and dose distribution of electron beam in flue gas can influence efficiency of desulfurization and denitration. 摘 要： 電子束在煙氣中穿透深度和劑量分布將直接影響廢氣中硫、氮氧化物的脫除效率。
- 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... 由于采用人體的真實(shí)圖像數據,以及蒙特卡羅方法計算粒子輸運時(shí)的準確性,該方法能夠得到真實(shí)的三維劑量分布。
- 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. 并進(jìn)行不同條件下的照射與假體內熱發(fā)光劑量計布點(diǎn)，以瞭解這些照射條件下體內劑量的均勻性。
- Either intracavitary or implantation brachytherapy needs an accurate localization of the position of radiation source in order to calculate the dose distribution. 體腔或插種近接治療，皆需要有精確的射源三度空間定位，能計算出劑量分布。
- 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. 對MRI而言,由于存在著(zhù)影像扭曲的問(wèn)題,因此影響了SRT定位的精確性,并進(jìn)一步影響了劑量分布的準確性。
- 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. 分別計算了中心面的徑向、支架表面及離支架表面 0 5mm處的軸向劑量分布 ,徑向最大差異為 1 5%25 ,軸向的差異也在1 5%25之內。
- 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. 結果平均吸收劑量及其在細胞內的分布和細胞的大小、俄歇電子能譜、核素的空間分布密切相關(guān)。
- 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. 對MRI而言,由于存在著(zhù)影像扭曲的問(wèn)題,因此影響了SRT定位的精確性,并進(jìn)一步影響了劑量分布的準確性。
- The planned dose distributions were more conformal to the sensitive normal tissue structures by IMRT plans in 3 different sites. 在此三個(gè)不同部位的計劃劑量分布圖上，強度調控放射治療對敏感正常組織結構都較為適合。
- A dose of this stuff will purge you! 這種藥只須一劑就能讓你通便！
- At last, we do the experiment using the dose analytic system based on film for radiation therapy, and some dose distributions reconstructed images are given. 最后，我們對基于膠片的放射治療劑量分析系統進(jìn)行了實(shí)驗，給出了重建的劑量分布圖。
