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相关概念视频

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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相关实验视频

Updated: Jun 27, 2025

Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution
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模块化和经济高效的计算机断层扫描设计.

André Bieberle1, Rainer Hoffmann2, Alexander Döß1

  • 1Helmholtz-Zentrum Dresden-Rossendorf, Institute of Fluid Dynamics, Bautzner Landstraße 400, 01328 Dresden, Germany.

Sensors (Basel, Switzerland)
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概括
此摘要是机器生成的。

一个新的模块化玛射线计算断层扫描系统增强了工业环境中的多相流量研究. 这种具有成本效益的系统可以改善工业设备的成像,提供更快的扫描时间和灵活的应用.

关键词:
柱式液压系统 柱式液压系统计算机断层扫描仪扫描仪计算机断层扫描仪多个阶段的调查.过程强化,过程强化.辐射探测器 辐射探测器

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科学领域:

  • 核工程 核工程是指核工程.
  • 工业过程断层扫描 工业过程断层扫描
  • 多相流量测量 多相流量测量

背景情况:

  • 工业多相流量分析需要先进的成像技术.
  • 现有的玛射线计算机断层扫描 (CT) 系统在灵活性和成本效益方面可能受到限制.
  • 需要升级的断层扫描装置来研究复杂的工业过程.

研究的目的:

  • 开发一个模块化和具有成本效益的玛射线计算断层扫描 (CT) 系统.
  • 为了提高工业设备的多相流量调查.
  • 为了展示系统对各种工业柱的成像能力.

主要方法:

  • 使用了137Cs同位素源和一个内部组装的探测器弧和16个闪光探测器.
  • 在脉冲模式中实现了双能量区分阶段,以排除分散的马光子.
  • 采用扫描程序,允许对灵活的物体大小和密度进行同时并行光束投影采集.

主要成果:

  • 每个探测器的量子效率达到了大约75%.
  • 由于同时进行平行光束投射,证明了缩短扫描时间.
  • 在不同的液气流速下,成功地对DN110和DN440柱进行了放射和计算机断层扫描.

结论:

  • 开发的玛射线CT系统是模块化的,具有成本效益,并升级现有的工业断层扫描设置.
  • 该系统为各种工业设备和流量条件提供灵活的应用.
  • 这项技术为工业中的多相流量调查提供了增强的能力.