Results 1 to 10 of about 3,406 (155)
【目的】建立带桩嵌体修复下颌第一磨牙残冠的三维有限元模型。【方法】制成第一磨牙残冠的制锁式带桩嵌体修复体的模型,将该模型置于水杯中,利用螺旋CT扫描,通过图像合成软件建立三维数字模型,结合大型有限元软件ANSYS进行建模。【结果】建成后三维有限元模型与实体组织具有良好的几何相似性。【结论】将牙体修复模型置于水中,经螺旋CT扫描并与有限元方法结合起来,可以建立复杂的牙模型,且能真实地模拟实际情况,使用性好。
连克乾 +4 more
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【目的】了解热压成型模板在眶部种植术前应用计算机体层摄影(∞扫描及图像分析中的指导效果。【方法】利用热压成型机对薄塑胶板加热、真空加压,按时钟方式制作成带标记孔的CT模板。将该模板佩戴人12具干颅标本和4例眶部缺失的患者。通过常规眶部CT扫描和CT工作站Advanced Workstation(AW)4.0图像分析,观察眶部受植区骨量和骨解剖结构。【结果】带标记点的放射模板准确地定位了眶部受植区的骨结构,能够方便的测量受植区的骨量。【结论】热压成型CT模板可以精确分析眶部受植区骨量和骨结构 ...
张兴, 黄远亮, 陈松龄, 常时新
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Objective To evaluate the Power peripherally inserted central catheter (PICC) for injection of contrast agent for contrast-enhanced CT scan in patients with biliary tract tumors.
ZHONG Milan (仲米兰) +1 more
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A Study on Pore Structure and Erosion Resistance of Soil Column Based on CT Scanning Technology [PDF]
[Objective] The relationship between soil column pore structure and soil erosion resistance for soil columns with Bahiagrass was analyzed in order to provide a scientific basis for the optimal arrangement of plants for soil and water conservation and to ...
Cao Longxi +4 more
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Study on mechanical properties and damage characteristics of granite under thermal shock based on CT scanning [PDF]
During the exploitation of deep geothermal resources, the thermal fractures of high-temperature rocks are usually induced by the impact of low-temperature fluids to improve the permeability of reservoir rocks.
Jiamin WANG +5 more
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ECG patterns of left anterior fascicular block and conduction impairment in ventricular myocardium: a whole-heart model-based simulation study [PDF]
Left anterior fascicular block (LAFB) is a heart disease identifiable from an abnormal electrocardiogram (ECG). It has been reported that LAFB is associated with an increased risk of heart failure.
Gao, Yuan +3 more
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Mesostructure and strength characteristics of granite under freeze-thaw cycles based on CT scanning [PDF]
Objective With the rapid increase in construction projects in the western regions in recent years, the impact of seasonal freeze-thaw cycles in the high-altitude areas of western China has become more pronounced.
CHEN Liang +8 more
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Application of Virtual Anatomy Technology in Postmortem Examination of Medical Dispute Cases [PDF]
Objective To discuss the application value of CT scanning technology in cause of death determination of medical dispute cases. Methods From July 2017 to December 2018, postmortem CT imaging data of 12 medical dispute cases were collected.
JIN Xin, ZHAO Jian-xin, YAO Yi, et al.
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Permeability and microstructure of pyrolysis lignite [PDF]
In order to study the influence of micro pore fissure structure on permeability under the thermal-fluid-solid coupling during lignite pyrolysis, real-time CT scanning of lignite during low-temperature pyrolysis was carried out by using the μCT225kVFCB ...
Feng LIN +3 more
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膜迷路水成像联合核磁共振内听道斜失状位应用在人工耳蜗植入术前的应用价值
计算机断层扫描(CT)和磁共振成像(MRI)扫描是评估耳蜗植入术前必要的影像学检查手段。进行该手术前应准确了解内耳的解剖结构。CT扫描对于显示骨性结构更清晰,MR对于显示软组织成分更好,包括迷路、脑脊液和神经的显示要好于CT。术前影像学评价是决定植入耳的选择 ...
信瑞 +5 more
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