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相关概念视频

X-ray Imaging01:24

X-ray Imaging

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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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Positron Emission Tomography01:29

Positron Emission Tomography

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
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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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相关实验视频

Updated: May 21, 2025

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
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Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

Published on: April 12, 2024

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多束多切片的X射线图形学多束X射线图形学.

Mattias Åstrand1, Ulrich Vogt2, Runqing Yang3,4

  • 1KTH Royal Institute of Technology, Department of Applied Physics, Bio-Opto-Nano Physics, Albanova University Center, 106 91, Stockholm, Sweden. maastra@kth.se.

Scientific reports
|March 19, 2025
PubMed
概括
此摘要是机器生成的。

我们将多切片与多束X射线图形学相结合,实现高分辨率的3D成像. 这一突破使得更深,更厚的样本能够在同步仪设施中以前所未有的细节可视化.

关键词:
多光束多光束多个切片的切片.图形图形 (Ptychography) 是一种图形图形,用于绘制图像.

更多相关视频

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography
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Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Published on: February 21, 2017

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X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

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相关实验视频

Last Updated: May 21, 2025

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
02:09

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

Published on: April 12, 2024

512
Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography
10:18

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

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X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

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科学领域:

  • *同步子辐射和成像科学
  • * 先进的材料特性分析.

背景情况:

  • *X射线图解提供了高分辨率,非破坏性成像在同步子.
  • *多射线图解扩大了视野,但由于多重散射,在厚的样本上面临分辨率限制.
  • *多切片处理传统图形学中的厚度,但其与多束技术的集成尚未探索.

研究的目的:

  • *将多片切片与多束X射线图形学集成在一起.
  • * 为了克服厚样本3D成像中的空间分辨率限制.
  • * 为了在更深处实现高分辨率的纳米尺度成像.

主要方法:

  • * 开发并实施了一种全新的综合多切片和多束X射线图形学方法.
  • * 利用同步子辐射源进行先进的成像实验.
  • *验证了该方法在不同光线线上的稳定性和可重复性.

主要成果:

  • * 实现了纳米特征的高分辨率成像,其深度与多束图像学的横向成像能力相当.
  • *首次成功地结合了多切片和多束图形学.
  • * 证明了该方法对成像更大,更厚的3D样本的有效性.

结论:

  • * 综合方法显著提升了高分辨率3D成像能力.
  • * 这种方法为研究更厚,更大的样本以纳米级精度提供了新的基础.
  • *该技术是稳固的,可复制的,并准备在基于同步电子的研究中广泛采用.