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相关概念视频

Hydrogen Bonds00:26

Hydrogen Bonds

Hydrogen BondsHydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.Hydrogen Bonds Control the World!Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are...
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...

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相关实验视频

Updated: Jun 21, 2026

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
14:11

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis

Published on: March 29, 2016

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一个通用的设置,用于同位素透研究.

P Sand1,2, A Manhard2, U von Toussaint2

  • 1Technische Universität München, Boltzmannstrasse 15, Garching D-85748, Germany.

The Review of scientific instruments
|December 11, 2024
PubMed
概括

样本中原子透分析试验床 (TAPAS) 能够研究核聚变壁材料中的离子驱动透. 在相关的核聚变反应堆条件下,对烯薄膜的实验证实了扩散有限的边界条件.

科学领域:

  • 核聚变工程 核聚变工程
  • 材料科学 材料科学 材料科学
  • 等离子体物理学的物理学

背景情况:

  • 研究面向等离子体的墙壁材料对于核聚变反应堆的开发至关重要.
  • 通过这些材料了解同位素透对于反应堆的安全性和性能至关重要.

研究的目的:

  • 引入样本中原子透分析试验床 (TAPAS) 实验设置.
  • 描述TAPAS模拟聚变反应堆等离子体壁相互作用的能力.
  • 通过对的基准实验来验证设置.

主要方法:

  • 使用单能,质量过的keV离子束与静电光学用于精确的离子能量控制.
  • 使用减速系统来实现低离子能量 (例如170 eV/D) 和高流量密度 (10^20 D/m^2s).
  • 在超高真空中进行实验,样品加热到1000 K,并通过四极质谱检测透射同位素.

主要成果:

  • 实现了低离子能量和高流量密度,代表了聚变反应堆第一壁条件,避免了目标喷.
  • 证明了TAPAS在离子驱动和有限的气体驱动透研究方面的能力.
  • 在薄膜上的基准实验达到扩散有限的边界条件,验证了设置的准确性.

更多相关视频

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions
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A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions

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Hydrogen Production and Utilization in a Membrane Reactor
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Hydrogen Production and Utilization in a Membrane Reactor

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相关实验视频

Last Updated: Jun 21, 2026

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
14:11

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A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions
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A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions

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Hydrogen Production and Utilization in a Membrane Reactor
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Hydrogen Production and Utilization in a Membrane Reactor

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结论:

  • 塔帕斯是一个精心校准的实验设施,用于研究聚变材料中离子驱动的同位素透.
  • 该设置提供了一个可靠的平台,用于在模拟的核聚变反应堆等离子体暴露下调查材料反应.
  • 结果证实TAPAS适合推进核聚变材料研究.