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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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Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
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相关实验视频

Updated: Jul 9, 2025

Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography
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Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography

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一个多功能机械测试阶段用于微型X射线计算机断层扫描.

Matthias Ruf1, Dongwon Lee1, Holger Steeb1,2

  • 1University of Stuttgart, Institute of Applied Mechanics (CE), Pfaffenwaldring 7, D-70569 Stuttgart, Germany.

The Review of scientific instruments
|December 8, 2023
PubMed
概括
此摘要是机器生成的。

一个新的测试装置将机械和水力机械实验与微型X射线计算机断层扫描 (μXRCT) 集成在一起,用于多孔介质研究. 这种以标准元件构建的模块化系统,可以在广泛的分辨率和负载范围内进行现场表征.

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Imaging of the Microstructural Failure Mechanism in the Human Hip
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Imaging of the Microstructural Failure Mechanism in the Human Hip

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Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages
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Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages

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相关实验视频

Last Updated: Jul 9, 2025

Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography
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Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography

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Imaging of the Microstructural Failure Mechanism in the Human Hip
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Imaging of the Microstructural Failure Mechanism in the Human Hip

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Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages
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Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages

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科学领域:

  • 工程 工程师 工程师 工程师
  • 材料科学 材料科学 材料科学
  • 地质物理学 地质物理学

背景情况:

  • 微X射线计算机断层扫描 (μXRCT) 是一种强大的工具,用于描述多孔介质.
  • 将机械和水力机械测试与μXRCT相结合,对于了解材料在负载下的行为至关重要.
  • 现有的μXRCT系统往往缺乏同时进行现场机械测试的能力.

研究的目的:

  • 开发和验证一个多功能测试装置,用于将机械和水力机械实验与μXRCT相结合.
  • 为了使多孔介质在一系列的分辨率和负载能力的现场表征.
  • 为更广泛的研究可访问性提供一个模块化和可适应的系统,使用标准组件.

主要方法:

  • 一个现有的开放和模块化μXRCT系统被扩展了一个测试装置.
  • 使用了一个带有数字控制系统的单轴10kN通用测试机.
  • 该系统增强了两个对齐的旋转阶段,用于组合负载 (±3.1 kN单轴,±15 N m扭矩).
  • 设计的X射线透明电池 (流量,湿度计,三轴) 是为了整合各种压力/应变状态.

主要成果:

  • 开发的测试装置成功地将机械和水力机械测试与μXRCT相结合.
  • 该系统显示了广泛的负载能力范围 (±3.1 kN单轴,±15 N m扭矩).
  • 三个应用示例展示了该系统与不同X射线透明细胞的多功能使用.

结论:

  • 集成的μXRCT和机械测试系统为多孔介质研究提供了一个多功能平台.
  • 使用标准组件使得设置可适应,并对其他研究人员有潜在的兴趣.
  • 该系统可在现场描述多孔材料中的三维应力/应变状态.