Axial scanning

The Indexing Technique of Axial Scanning for Gear Laser Hardening

齿轮激光淬火轴向扫描分齿工艺

Conclusion The axial scanning was useful for detecting cochlear aqueduct .

结论对于耳蜗导水管CT轴位扫描较好；

Technical Parameters of Gear Laser Hardening Axial Scanning and Their Influence on Hardened Layer and Forecast

齿轮激光淬火轴向扫描工艺参数对硬化带的影响及预测

The Clinical Application of Spiral CT Axial Scanning and CT 3D-reconstruction Technique in Atlas-axis Region Injury

寰枢椎损伤螺旋CT扫描及CT三维重建技术的临床应用

Results In 24 cases with anterior fossa fractures , 9 cases were found by axial scanning , 24 cases by MPR , 9 by SSD .

结果24例颅前窝骨折，其中横断面显示骨折9例，MPR显示骨折24例，SSD显示9例；

Axial scanning was performed in 22 cases , coronal scanning in 4 , coronal plus axial scanning in 4 . HRCT was done in 25 cases .

轴位扫描22例，冠状位和冠状位加轴位扫描各4例，其中25例行HRCT扫描。

Methods In the contrast study , CT axial scanning plus reconstruction was performed in 45 randomized cases and so was coronal scanning in 45 randomized cases of accessory sinus lesions .

方法：分别对随机分组的副鼻窦病变采用轴位加重建45例，冠状位45例，进行扫描，对比其对诊断的优越性。

A machinery working platform movement flat scanning system that applies optical grating feedback closed loop control and an objective moving axial scanning system that applies stepping motor control and precise gear driving are developed .

设计了采用光栅反馈闭环控制的机械工作台移动平面扫描和步进电机控制、精密齿轮传动的物镜移动轴向扫描系统。

3-D and MPR are very beneficial to entirely observing the morphological changes of TPF , and are important supplements for axial scanning of 16 slice SCT .

3-D及MPR成像技术十分有利于全面观察胫骨平台骨折的形态变化，是16层SCT横轴位扫描的重要补充。

For gear laser hardening two applicable methods ( i. e. continuous circ - scanning and graduated axial scanning ) was presented , and studies the main techniques and the parameters respectively corresponding to the two methods .

提出两种齿轮激光淬火的扫描方法：周向连续扫描和轴向分齿扫描，并研究了两种方法相应的主要工艺及工艺参数。

Methods The features of HRCT coronal and axial scanning in 68 ears with chronic otitis media proven surgically and pathologically were analyzed retrospectively and the results compared with those of surgery and pathology .

方法回顾性收集68耳经临床及手术病理证实的慢性中耳乳突炎病例。将术前HRCT冠、轴位扫描征象与手术病理结果对照分析。

This paper introduces the axial scanning technique for gear laser hardening , and advances a method of defining index tooth numbers . It also analyses and compares the index errors , and gives the reasonable values of index tooth number selection .

本文介绍了齿轮激光淬火宽带激光束轴向分齿扫描工艺，提出了分齿数的确定方法，分析比较了各种分齿误差，给出了分齿数的合理选择范围。

After axial scanning , sagittal , coronal , oblique or other multiplanar ( MPR ) images were reconstructed . A comparison of 3D SPGR MRA with conventional 3D TOF MRA was made .

增强3DSPGR轴位扫描后，进行矢、冠、斜位等多平面重建（multiplannerreconstruction，MPR），并与传统3DTOF法MRA进行对比。

Axial CT scanning were performed in all of them .

均作轴位CT扫描。

All the patients underwent thin-layer coronal and axial CT scanning .

全部患者均行蝶窦冠状位及水平位薄层CT扫描。

The Technology of Axial Unlapped Scanning for Gear Laser Quenching

齿轮激光淬火轴向无搭接扫描工艺的研究

In this paper , a feasible technique of laser heat treatment on gears , called graduated axial laser scanning , is presented and the experimental results are discussed .

提出了采用轴向分齿扫描法进行齿轮激光热处理的工艺，并对试验结果进行了理论分析。

Axial CT scanning was applied in 18 cases , coronal CT scanning in 2 cases , enhanced CT scanning in 4 cases and 14 cases accepted further examination by MRI .

CT轴位扫描18例，其中增强扫描4例，CT冠状扫描2例，MRI进一步检查14例；

Axial plane scanning were routinely done with 3 mm slice and addition to coronal plane scanning in 14 cases , coronal and / or sagittal plane reconstructed images were performed in 31 cases .

CT检查常规3mm横断扫描，14例加作冠状扫描，31例加作冠状和/或矢状重建。

Conclusion Spatial resolution of DR is superior to SCT , and SCT has function of axial view scanning and multiplane reconstruction . The DR combined with SCT could elevate diagnosis of burst fracture more exactly .

结论DR空间分辨率高，SCT具有轴位扫描及多层面重建功能，两者结合可提高BF诊断的准确性及复查后评价。

Materials and Methods Using EPI and GRE sequences , sagittal and axial MRI scanning was performed in 16 patients with painful knee joint and normal plain radiograph of knee joint . MRI signs were observed and analyzed .

资料与方法搜集16例平片阴性的膝部疼痛患者的MRH资料，分别采用平面回波成像（EPI）和梯度回波（GRE）序列成像，矢状位为常规观察断面，横断面作为补充。

HRCT was done and axial plus coronal scanning was performed in these 32 cases .

32例鼻骨骨折患者均行轴位加冠状位HRCT扫描。

Single-spiral CT axial and coronal scanning compared in the diagnosis of nasal bone fractures

单螺旋CT轴位与冠位扫描诊断鼻骨骨折应用比较

Objective To investigate the practical value of axial plus coronal scanning high resolution CT ( HRCT ) in the diagnosis of nasal bone fracture .

目的探讨高分辨率CT（HRCT）冠状及横断位扫描在鼻骨骨折诊断中的应用价值。

Methods : 47 cases of unilateral exophthalmos proved by pathology or other modalities were performed axial plain CT scanning with Somatom CRF sets .

方法：经手术、病理或其他方法证实的47例单眼突出病例，男34例，女13例，均行轴位CT扫描，其中34例作了增强扫描，9例增加冠状扫描；

Methods X-ray and axial plus coronal scanning HRCT were performed in 20 cases with nasal bone fracture , and the diagnostic value of X-ray and HRCT in nasal bone fracture were analyzed retrospectively .

方法20例鼻骨骨折患者均行X线和冠状及横断位HRCT扫描检查，回顾性分析X线及HRCT对鼻骨骨折的诊断价值。

Analysis of the Effect of Various Factors on Axial Resolution in Confocal Scanning Microscopy

共焦扫描显微术中影响轴向分辨率的因素分析

Analysis of Spiral CT Transverse Axial and Coronary Slice Scanning of Inner Ear

螺旋CT内耳横断面与冠状面薄层扫描应用分析

Materials and Methods Axial high resolution CT scanning of the temperal bone was performed in 59 cases with CSHL .

材料与方法搜集59例先天性感音聋患者，均采用颞骨轴位高分辨CT扫描。

Conclusion Axial plus coronary CT scanning can clearly reveal the size , shape and adjacent structures of the optic canal so that clinically it has certain applied value .

结论CT轴位+冠状位扫描，可清楚显示视神经管大小、形状及邻近结构，故在临床上有一定的应用价值。