
【化】 electron microscopy
electricity
【計】 telewriting
【化】 electricity
【醫】 Elec.; electricity; electro-; galvano-
lens; looking glass; mirror
【化】 mirror
【醫】 mirror; slass
imitate; knowledge; learn; mimic; school; study; subject of study
Electron microscopy (電鏡學) is a branch of microscopy that utilizes accelerated electron beams to generate high-resolution images of specimens at nanometer-scale resolutions. The term combines "電" (electricity) and "鏡學" (study of imaging systems), reflecting its core mechanism involving electromagnetic lenses . This technology surpasses optical microscopy by using electrons with wavelengths 100,000 times shorter than visible light photons, enabling visualization of ultrastructures in materials science and cellular organelles in biology .
Key technical classifications include:
Applications span nanotechnology development, viral particle analysis (如新冠病毒刺突蛋白研究), and semiconductor quality control. The technique's evolution from Ernst Ruska's 1931 prototype to modern aberration-corrected instruments demonstrates its indispensable role in 21st-century scientific discovery (Journal of Electron Microscopy, 2024).
“電鏡學”是研究電子顯微鏡(Electron Microscopy, EM)技術及其應用的一門交叉學科,涉及物理、材料科學、生物醫學等多個領域。以下是詳細解釋:
電鏡學以電子顯微鏡為核心工具,通過電子束與物質的相互作用來觀察微觀結構。它屬于邊緣學科,融合了電磁學、材料科學、計算機技術等領域的知識,成為溝通不同學科的橋梁。
現代電鏡已從單一形态觀察發展為多功能儀器,例如:
電鏡學通常作為材料學、物理學、生物學等專業的必修或選修課程,學生需掌握電鏡操作、樣品制備及數據分析技能。
電鏡學通過高精度成像和多功能分析手段,成為現代科學研究中不可或缺的工具,尤其在納米科技和生命科學領域具有不可替代的作用。
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