V2EX x-ray diffraction

X-ray Diffraction

释义 Definition

X-ray diffraction(X射线衍射):一种利用X射线照射晶体或有序材料,通过测量其衍射图样来推断原子排列、晶体结构、晶格常数等信息的实验方法。常写作 XRD。在某些语境下也可泛指“衍射图谱/衍射结果”。

发音 Pronunciation (IPA)

/eksre dfrkn/

例句 Examples

X-ray diffraction helps scientists identify crystal structures.
X射线衍射帮助科学家确定晶体结构。

By analyzing the X-ray diffraction pattern, the researchers concluded that the sample contained a mixture of two mineral phases.
通过分析X射线衍射图样,研究人员得出结论:样品包含两种矿物相的混合物。

词源 Etymology

X-ray 来自 X(表示“未知”)+ ray(射线),最初用于指代伦琴发现的“未知射线”。diffraction 源自拉丁语 diffringere(“打碎、折断”),在物理学中引申为波遇到障碍或狭缝时发生的“绕射/衍射”。合起来,X-ray diffraction 就是“用X射线产生并测量衍射现象”的方法名称。

相关词 Related Words

文学与著名作品 Literary & Notable Works

  • The Double Helix(James D. Watson):在叙述DNA结构发现的背景时提及X射线衍射证据(如著名的衍射照片与相关实验线索)。
  • Rosalind Franklin: The Dark Lady of DNA(Brenda Maddox):多处讨论罗莎琳德富兰克林的X射线衍射工作及其在分子结构研究中的关键作用。
  • Introduction to Solid State Physics(Charles Kittel):作为经典教材,系统介绍晶体与固体结构表征方法,其中包括X射线衍射的基本原理与应用。
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