计算机断层扫描,computed tomography
1)computed tomography计算机断层扫描
1.CT(Computed tomography)is one nondestructive detection technique, which is by using X-ray beam to scan one interested layer at multi-directions along one selected irradiation position, and detecting the ray volume penetrated, calculating absorption volume by various objectives, and reconstructing images.计算机断层扫描(CT)是利用X射线束从多方向沿某一部位选定断层进行照射,测定透过的射线量,经数量化计算后得出该层层面组织各个单位容积的吸收系数,然后重新组建图像的一种检测技术。
英文短句/例句
1.Influence of Effective Dose on Patients for Different Z Value During Computed Tomography计算机断层扫描Z轴扫描位置的选取对患者所受有效剂量的影响
2.Application of Computed Tomography to Wood Testing;计算机断层扫描技术在木材检测中的应用
3.Correlation analysis between brain perfusion imaging and symptoms in patients with obsessive-compulsive disorder强迫症患者单光子发射计算机断层扫描的特征
4.Objective: To explore the clinical value of computed tomography (CT) to hypoxic ischemic encephalopathy (HIE) of newborn.目的 :探讨计算机断层扫描对新生儿缺血缺氧性脑病的临床诊断。
5.Diagnostic Value of Computerized Tomography Angiography on Sturge-Weber Syndrome in Children计算机断层扫描血管造影对Sturge-Weber综合征的诊断价值
6.The Clinic Application of Celiac Ganglia Block under CT Guidance电子计算机断层扫描导向腹腔神经丛阻滞术18例临床应用
7.Spiral CT urography and CT virtual endoscopy in detecting urological diseases计算机断层扫描螺旋尿路成像与仿真内窥镜技术的临床应用
8.The success rate of stent implantation was 98.8%( 82/83),29 patients received angiography check,one by super-speed CT.接受冠状动脉造影29例(34.9%),接受冠状动脉螺旋计算机断层扫描1例。
9.Beam 2-D Phase-Space Measurement with CT and Cerenkov Radiation "Double Imaging Method计算机断层扫描在“双成像法”测量束流二维相空间中的应用
10.Flame Temperature Distribution Diagnoses by Infrared-Rays Absorption Computed Tomography;基于辐射吸收的火焰温度计算机断层扫描摄影测量研究
11.Research on Several Key Problems of Neutron Stimulated Emission Computed Tomography中子受激辐射计算机断层扫描成像技术中若干关键问题的研究
12.Early CT scanning diagnosis and early microsurgical operation are emphasized.作者强调了早期电子计算机断层扫描诊断及早期显微手术的重要性。
13.Chest CT and fiberoptic bronchoscopy revealed multiple tumors in the lower trachea.胸部计算机断层扫描及软式支气管镜检发现在气管下段有多姿性肿瘤。
14.Five vertiginous patients with tentative diagnosis of brain tumor demonstrated either by computed tomography (CT) or magnetic resonance imaging (MRI) turned out to have other lesions after electronystagmography (ENG) and other examinations.5名病人因眩晕在他院求诊，经安排头部计算机断层扫描或核磁共振映像术检查，怀疑为脑肿瘤。
15.Cerebral Arteriovenous Malformations: The Relationship between Clinical Related Events and Regional Cerebral Blood Flow Imaging of Single-photon Emission Computed Tomography;脑动静脉畸形单光子发射计算机断层扫描脑灌注显像及临床相关因素分析
16.Preliminary study on detection of hypoxic brain tissue around the focus of cerebral hemorrhage using HL-91 single photon emission computerized tomography乏氧组织显像剂单光子计算机断层扫描检测脑出血灶周围乏氧组织的初步研究
puter tomography system计算机化Ｘ射线断层扫描仪
18.CT scan of spine脊椎计算机摄影断层扫描术
相关短句/例句
computerized tomography计算机断层扫描
1.Objective Appraise value of diagnosing epilepsy to period of onset infants with cerebral blood flow perfusion imaging with single photo emissioncomputerized tomography(SPECT).目的评价单光子发射型计算机断层扫描脑血流灌注显像对发作期小儿癫痫的诊断价值。
2.Digital image processing technique was applied to convertcomputerized tomography(CT)image into a digital format that can be incorporated into finite element modeling.该方法利用数字图像处理技术将计算机断层扫描(CT)图像转换为数字格式,并与有限元建模结合,使得根据CT图像建立的有限元模型可以较真实地再现沥青混合料的微结构,进行有限元分析时可以充分考虑沥青混合料颗粒和微空隙分布非均匀特性。
3.The related technologies of antique protection are explored in this paper and the industrycomputerized tomography technology and applications of it in antique protection are analyzed.环境问题与人为因素对文物的保护构成了威胁,本文简要讨论了文物保护的相关技术,并对工业计算机断层扫描技术及其在文物中的应用进行了分析,通过一个实例实现了文物的断层扫描与图像重建的应用过程,以达到文物保护与研究的目的。
3)Computer tomography计算机断层扫描
1.A Monte Carlo simulation method of cone-beam X-ray computer tomography(X-CT) projection is presented.提出了一种锥束X射线CT(计算机断层扫描)投影的蒙特卡罗计算方法,对X光子逐次抽样并以随机步长跟踪,将探测器区域内的沉积能量转化为投影信号,使用蒙特卡罗计算工具EGSnrc执行后台批处理计算,得到符合成像物理学的仿真投影。
2.After optimizing the filter back projection(FBP) algorithm of computer tomography(CT) with the theory of symmetric transformation group,a fast reconstruction algorithm was founded to reduce calculating time cost in the back projection part of FBP.利用对称变换群的原理对计算机断层扫描(CT)重建中的滤波反投影算法(FBP)进行了优化,降低了算法中反投影部分的计算复杂度,从而得到一个快速重建算法。
4)Computed tomography(CT)计算机断层扫描
5)CT计算机断层扫描
1.Methods:Sixtyfour patients in cognition function were studied by BEAM andCT,with the power spectral analysis.方法 :应用脑电地形图(BEAM)和计算机断层扫描(CT) ,通过对64例AICA患者认知功能进行评估。
6)X-ray computed tomographyX线计算机断层扫描
延伸阅读
定量计算机断层扫描定量计算机断层扫描g/cm3利用X线窄束扫描测量原理，将人体组织对X线的吸收通过计算机换算成基本密度单位(g/cm3)，显示骨的结构变化。缺点是重复性差、放射剂量过大和费用过高，未能广泛应用。
