Objective: To evaluate the manifestations of liver metastasis by spiral ct with three-phase scanning.
前言:目的:分析肝转移瘤三期螺旋CT扫描的影像表现,并评价其诊断价值。
Methods Dual phase scanning of the liver in 98 patients with lesions was carried out with a helical CT scanner.
方法对98例肝内占位性病变的病人进行螺旋CT双期增强扫描。
Make the ruling experiments for VLS grating using the phase scanning method. Analyze the ruling error primarily.
采用相位扫描方法进行了变栅距光栅的刻划实验,并对刻划误差进行了初步的分析。
Methods:The three-phase scanning of spiral CT was performed in 63 patients with 365 lesions of liver metastasis.
方法:回顾性分析6 3例患者36 5个肝转移瘤病灶的三期螺旋CT扫描图像。
A monopulse limited phase scanning antenna system for the fire-control radar at X-band is presented in this paper.
本文介绍了一种可用于火控雷达的单脉冲有限相扫天线系统。
The main devices of the method include a grating interferometer, which controls the ruling engine motion, and a phase scanning mechanism.
该方法的主要装置包括一个用于控制刻划机运动的光栅干涉仪和一个相位扫描机构。
The experiments show that the phase scanning method is right and innovative and the ability of the sub-nanometer space increment is reached.
实验结果表明,本文捉出的相位扫描方法原理正确,具有创新性,达到了变栅距光栅所要求的亚纳米级的栅距变化精度。
Objective: to discuss the value of spiral ct dual phase scanning for diagnosis of tumor thrombosis of venous system of hepatocellular carcinoma.
目的:探讨螺旋CT肝双期扫描对原发性肝癌门静脉、肝静脉及下腔静脉癌栓的诊断价值。
For the system application, the influence was analyzed theoretically, which was brought by using the technology of liquid crystal phase scanning.
自体解当用的角度,谈论了采取液晶相位扫描技巧给激光雷达体解设计带来的影响。
Objective To evaluate the place and function of triple-phase scanning in enhanced scanning of pancreas, in order to explore the optimal scanning methods for pancreas.
目的科学评估三期扫描分别在胰腺增强扫描中的地位和作用,探索胰腺最佳扫描方案。
Purpose:To discuss the value of16-slice spiral CT contrast enhanced early corticomedullary phase scanning and CT angiography(CTA)in diagnosis and preoperative evaluation of renal cell carcinoma.
目的:探讨16层螺旋CT肾脏皮质早期扫描及血管成像在肾癌定性诊断及术前评估中的价值。
Our detector needs to maintain state only during the byte code scanning phase, because we're looking for a method-level problem.
我们的检测器只需要在字节码扫描阶段维护状态,因为我们查找的是方法级的问题。
Because the required scanning range is cut down to a large extent by use of edge detection methods, the efficiency of the minimum-discontinuity phase unwrapping algorithm is significantly improved.
由于利用边缘检测使增长环搜寻所需的扫描范围在很大程度上缩小,最小不连续相位展开算法的效率得到了很大提高。
Objective: To discuss spiral multi-phase ct scanning signs of the carcinoma of gallbladder.
目的:探讨胆囊癌的螺旋CT多期扫描征象。
A method of recording a scanning hologram with the phase conjugate property of nonlinear crystal is presented.
提出一种用非线性晶体的相位共轭特性记录扫描全息图的方法。
A new method is proposed to detect the edge through modulating scanning laser beam and picking up the phase reversal of the detection signal as the edge signal.
讨论了一种新的边缘检测方法,即对扫描激光束进行调制,并利用调制信号的相位突变提取边缘信号。
The phase structure and microstructure of samples under different heating rates were investigated by X-ray diffraction (XRD) and scanning electron microscope (SEM) etc.
用X射线衍射仪(XRD)以及扫描电镜(SEM)等研究了试样在不同预设升温速度下的相结构和显微组织。
The phase composition and microstructure of mullite powders were investigated by X-ray diffraction and field emission scanning election microscopy techniques.
利用X射线衍射仪和场致发射扫描电子显微镜等手段对合成粉体的相组成、结构和形貌进行了研究。
This paper reports the in-situ observation of the high-temperature phase transformation and nitrogen release of several types of HNS by a confocal laser scanning high-temperature microscope.
利用共聚焦激光扫描高温显微镜对几种高氮钢的高温相变以及重熔时氮的释放进行了在线观察。
Changing the phase of digital grating can realize Moire fringe scanning. The global center of beam pattern can be calculated by multi_frame scanning images.
改变该数字光栅的相位,可实现莫尔条纹扫描,用多幅扫描图像可算出光斑图像整体中心。
X-ray diffraction (XRD) and scanning electronic microscope (SEM) have been used to characterize the phase, orientation and surface morphology.
射线衍射和扫描电镜分别用于表征膜的物相、取向和表面形貌。
Conclusion: Spiral multi-phase CT scanning is of enormous value in the diagnosis of gallbladder carcinoma.
结论:螺旋CT多期扫描对胆囊癌的诊断有很大的价值。
The microstructure? Element distribution and phase after hot-corrosion were analysed by means of X-ray diffraction (XRD) and scanning electron microscope (SEM).
利用X射线衍射(XRD)和扫描电镜(sem)等手段,对高温熔盐热腐蚀后的组织形貌、元素分布及物相进行了分析。
When used in combination with a planar phase array antenna, the lens makes it possible for the single planar phased array antenna to achieve the capability of beam scanning for hemispherical coverage.
当这种透镜与平面相控阵天线组合使用时,则可使单个平面相控阵天线波束获得半球空域的扫描能力。
The distributions of composition, phase-and microstructure were examined respectively by using electron probe microanalysis (EPMA), X-ray Diffraction (XRD) and scanning electron microscopy (SEM).
分别用电子探针(EPMA)、X衍射(XRD)和扫描电镜(SEM)查证了其组分、相结构和显微结构的梯度分布。
Conclusions Hepatic helical dual phase ct scanning is an effective method in diagnosing and evaluating the elderly primary liver cancer.
结论螺旋CT肝双期扫描是诊断与评价老年人原发性肝癌的有效方法。
Methods: The hepatic dual phase helical ct scanning of 7 cases of pedunculated hepatocellular carcinoma were reviewed retrospectively.
方法:回顾性分析了7例外生性肝癌螺旋CT肝双期扫描的CT表现。
AIM To evaluate the diagnostic value and the limitation of spiral CT dual phase dynamic scanning in the diagnosis of hepatic neoplasms.
目的评价螺旋ct双期动态扫描在肝脏占位性病变中的诊断价值及其限度。
The phase change phenomena of bagasse black liquor in its thickening was studied by using DSC(differential scanning calorimetry).
利用DSC的热分析法探讨了蔗渣浆黑液在蒸发浓缩中的相转变过程。
The scanning electron microscopy (SEM) indicated that the adhesion at the interface could be enhanced by PP-HBP and the phase separation of PP/PVC blends could be reduced.
扫描电子显微镜(SEM)研究结果证明,PP-HBP增强了PP/PVC的界面粘结作用,减小了共混体系的相分离程度。
应用推荐