1)Amorphous Silicon Electronic Portal Imaging Device System非晶硅平板型电子射野影像系统
2)Electronic portal imaging device电子射野影像系统
英文短句/例句
1.The Quality Control Test for Digital Image of Electronic Portal Imaging Devices (EPIDs)电子射野影像系统(EPIDs)图像质量控制方法的探索
2.The Preliminary Study of Two Dimensional Ionization Chamber Array and Electronic Portal Imaging Device System in Dosimetric Verification二维电离室矩阵与电子射野影像系统在剂量验证中的初步研究
3.Study on the Dose Response Characteristics of an Electronic Portal Imaging Device and Its Applications in Dose Verification;电子射野影像系统的剂量学特性及其在剂量验证方面的应用
4.A Clinical Study of Real-time Correction of Setup Error in Nasopharyngeal Carcinoma (NPC) IMRT Using an Electronic Portal Imaging Device (EPID);应用电子射野影像系统实时纠正鼻咽癌调强放疗摆位误差的研究
5.EPID for Set-up Errors Analysis and Quality Assurance of Radiotherapy in Head and Neck Cancer电子射野影像系统(EPID)在头颈部肿瘤放射治疗中的摆位误差分析及质量控制
6.Quality control for multileaf collimator leaf position accuracy using amorphous silicon electronic portal imaging devices利用非晶硅电子射野影像系统对多叶准直器叶片到位精度作质量控制
7.The Study of Patient Dose Verification Using the Electronic Portal Imaging Device电子射野影像装置在患者剂量验证方面的研究
8.The system of picture gathering and data processing in the electronics diffraction experiment;“电子衍射”实验的图像采集和数据处理系统
9.Design and Implement of Electronic Endoscope Medical Image System;电子内镜医学影像系统的设计与实现
10.Measuring the Dose Parameters of Electron Beam Whole Body Irradiation Therapy Fields by MatriXX Combined with TLDMatriXX系统结合TLD测量电子线全身放疗射野剂量参数的研究
11.electronic emitter location system电子发射器定位系统
12.Fuel System Programmed Fuel Injection (PGM-FI)电子控制喷射燃油系统
13.Meteor Trails Scattering Characteristics and Their Effects on Electronic Systems Performance;流星余迹散射特性及对电子系统性能的影响
14.V-mail [video-mail ]声像电子邮讯系统［
15.ELECTRONIC IMAGE SYSTEM ANALYSIS AND REALIZATION IN BANKING PAYMENT;银行支付交易中电子影像系统的研究与实现
16.Electronic Image Stabilizing System Based on Gray-scale Projection and Evaluation Methods基于灰度投影的电子稳像系统及评价方法
17.Computer aided analysis system of gastric cancer based on endoscopic image database基于电子胃镜影像数据库的胃癌辅助分析系统
18.Analysis on Field Measures of Lightning Protection & Anti-interference for Electronic Equipment野外电子系统防雷电干扰的措施分析
相关短句/例句
Electronic portal imaging device电子射野影像系统
3)Portal imaging system照射野影像系统
4)electronic portal imaging device (EPID)电子射野影像装置
1.The portal films were screened using the electronic portal imaging device (EPID), and the error was analyzed through comparing the portal film with the digitally reconstruced radiographs (DRR) in the treatment planning sys.方法:随机抽取76名头颈部肿瘤患者,在治疗时用电子射野影像装置(EPID)拍摄射野片,将射野片和计划系统中的数字重建射野(DRR)图像片进行误差比较。
5)EPID电子射野影像装置(EPID)
6)portal imaging射野影像
1.Electronic portal imaging device(EPID)is a very important quality control tool.放射治疗射野影像系统EPID是治疗计划所实施的重要质量保证工具,其主要功能是射野验证和剂量验证。
延伸阅读
非晶硅分子式：CAS号：性质：又称无定形硅。单质硅的一种形态。棕黑色或灰黑色的微晶体。硅不具有完整的金刚石晶胞，纯度不高。熔点、密度和硬度也明显低于晶体硅。化学性质比晶体硅活泼。可由活泼金属(如钠、钾等)在加热下还原四卤化硅，或用碳等还原剂还原二氧化硅制得。结构特征为短程有序而长程无序的α-硅。纯α-硅因缺陷密度高而无法使用。采用辉光放电气相沉积法就得含氢的非晶硅薄膜，氢在其中补偿悬挂链，并进行掺杂和制作pn结。非晶硅在太阳辐射峰附近的光吸收系数比晶体硅大一个数量级。禁带宽度1.7～1.8eV，而迁移率和少子寿命远比晶体硅低。现已工业应用，主要用于提炼纯硅，制造太阳电池、薄膜晶体管、复印鼓、光电传感器等。
