个人资料图片
English
  • 全部
  • 搜索
  • 图片
  • 视频
    • 短视频
  • 地图
  • 资讯
  • 更多
    • 购物
    • 航班
    • 旅游
  • 笔记本
报告不当内容
请选择下列任一选项。
  • 时长
    全部短(小于 5 分钟)中(5-20 分钟)长(大于 20 分钟)
  • 日期
    全部过去 24 小时过去一周过去一个月去年
  • 清晰度
    全部低于 360p360p 或更高480p 或更高720p 或更高1080p 或更高
  • 源
    全部
    Dailymotion
    Vimeo
    Metacafe
    Hulu
    VEVO
    Myspace
    MTV
    CBS
    Fox
    CNN
    MSN
  • 价格
    全部免费付费
  • 清除筛选条件
  • 安全搜索:
  • 中等
    严格中等(默认)关闭
筛选器
How Electron Microscopes Work: SEM vs TEM Principles, Electron Beams & Resolution
10:21
YouTubeElectron Microscopy from Thermo Fisher Scientific
How Electron Microscopes Work: SEM vs TEM Principles, Electron Beams & Resolution
Learn the basic principles of electron microscopy and how electron microscopes use accelerated electrons, vacuum systems, electromagnetic lenses, apertures, detectors, and sample stages to achieve high-resolution imaging far beyond the limits of optical microscopes. This educational video explains how scanning electron microscopes (SEM) and ...
已浏览 24.9万 次2016年12月19日
短视频
Scanning electron microscope principle working (SEM)
10:28
已浏览 36.4万 次
Scanning electron microscope principle working (SEM)
Shomu's Biology
Inside the Scanning Electron Microscope: How SEM Works Explained with 3D Animation
1:56
已浏览 549 次
Inside the Scanning Electron Microscope: How SEM Works Explained with 3D
Physics, Materials Science
Electron Microscopy Basics
How J.J. Thomson discovered the electron
1:03
How J.J. Thomson discovered the electron
YouTubeThe History Of Science
已浏览 1429 次1 个月前
why electrons do not fall into nucleus ?
3:00
why electrons do not fall into nucleus ?
YouTubeVin Sci
已浏览 1180 次1 个月前
📺Electron 1/2 – What is an electron? Salukes #science #physics #profbucella #sciencecandoit
1:46
📺Electron 1/2 – What is an electron? Salukes #science #physics #profbucella #sciencecandoit
YouTubeProfesseur Fabrizio Bucella
已浏览 19.4万 次1 个月前
热门视频
Electron microscopy principle explained
13:41
Electron microscopy principle explained
YouTubeShomu's Biology
已浏览 27.6万 次2020年2月26日
How a Scanning Electron Microscope (SEM) Works - 2026
9:45
How a Scanning Electron Microscope (SEM) Works - 2026
YouTubeMicroscopy Specialist
已浏览 2.4万 次2025年2月4日
Preparing a Sample for Electron Microscopy | Quick Lab Tutorial
0:53
Preparing a Sample for Electron Microscopy | Quick Lab Tutorial
YouTubemetin aytekin
已浏览 2017 次10 个月之前
Electron Microscopy Images
Hydrogen Atom Explained: Real Quantum Electron Cloud vs Classic Bohr Model Animation 4K
0:12
Hydrogen Atom Explained: Real Quantum Electron Cloud vs Classic Bohr Model Animation 4K
YouTubeFixed iT
已浏览 2850 次3 周前
The Periodic Table in Simple Terms
0:49
The Periodic Table in Simple Terms
YouTubeMath and Science
已浏览 6951 次2 个月之前
Is Electron a Wave or Particle? ⚡ Dual Nature of Matter Explained | JEE 2026/2027
0:45
Is Electron a Wave or Particle? ⚡ Dual Nature of Matter Explained | JEE 2026/2027
YouTubeAcadXL
已浏览 329 次1 个月前
Electron microscopy principle explained
13:41
Electron microscopy principle explained
已浏览 27.6万 次2020年2月26日
YouTubeShomu's Biology
How a Scanning Electron Microscope (SEM) Works - 2026
9:45
How a Scanning Electron Microscope (SEM) Works - 2026
已浏览 2.4万 次2025年2月4日
YouTubeMicroscopy Specialist
Preparing a Sample for Electron Microscopy | Quick Lab Tutorial
0:53
Preparing a Sample for Electron Microscopy | Quick Lab Tutorial
已浏览 2017 次10 个月之前
YouTubemetin aytekin
Scanning electron microscope principle working (SEM)
10:28
Scanning electron microscope principle working (SEM)
已浏览 36.4万 次2020年4月29日
YouTubeShomu's Biology
Inside the Scanning Electron Microscope: How SEM Works Explained with 3D Animation
1:56
Inside the Scanning Electron Microscope: How SEM Works Expl…
已浏览 549 次2 个月之前
YouTubePhysics, Materials Science and Nano Lecture S…
Scanning Electron Microscope (SEM) Explained with 3D Animation 2026
5:47
Scanning Electron Microscope (SEM) Explained with 3D Animatio…
已浏览 677 次2 个月之前
YouTubePhysics, Materials Science and Nano Lecture S…
How To Use Scanning Electron Microscope - Weber State University
3:43
How To Use Scanning Electron Microscope - Weber State University
已浏览 266 次9 个月之前
YouTubeWeber State University
16:07
Introduction to the Scanning Electron Microscope (SEM)
已浏览 12.7万 次2020年4月14日
YouTubeDuke University - SMIF
9:45
Scanning Electron Microscopy (SEM) Sample Prep & Sputter Coat…
已浏览 1011 次4 个月之前
YouTubeInformationBoxTicket Lifestyles
观看更多视频
静态缩略图占位符
更多类似内容
  • 隐私
  • 条款