安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Fluorescence - Wikipedia
Fluorescence has many practical applications, including mineralogy, gemology, medicine, chemical sensors (fluorescence spectroscopy), fluorescent labelling, dyes, biological detectors, cosmic-ray detection, vacuum fluorescent displays, and cathode-ray tubes
- Fluorescence Definition and Examples - Science Notes and Projects
Fluorescence is a phenomenon where certain materials rapidly (around 10 -8 seconds) emit light when they are exposed to specific types of electromagnetic radiation, typically ultraviolet (UV) light
- Fluorescence - Chemistry LibreTexts
Fluorescence occurs when an atom or molecules relaxes through vibrational relaxation to its ground state after being electrically excited The specific frequencies of excitation and emission are dependent on the molecule or atom
- Fluorescence | Emission, Excitation Photochemistry | Britannica
Fluorescence, emission of electromagnetic radiation, usually visible light, caused by excitation of atoms in a material, which then reemit almost immediately (within about 10−8 seconds)
- Fluorescence Excitation and Emission Fundamentals
Fluorescence is a member of the ubiquitous luminescence family of processes in which susceptible molecules emit light from electronically excited states created by either a physical (for example, absorption of light), mechanical (friction), or chemical mechanism
- Fluorescence Microscopy Explained: A Beginner’s Guide
What is Fluorescence? Fluorescence is a phenomenon where certain molecules absorb light at one wavelength (excitation) and emit it at a longer wavelength (emission) This shift is known as the Stokes shift* and is key to detecting specific structures within biological samples
- FLUORESCENCE Definition Meaning - Merriam-Webster
The meaning of FLUORESCENCE is luminescence that is caused by the absorption of radiation at one wavelength followed by nearly immediate reradiation usually at a different wavelength and that ceases almost at once when the incident radiation stops; also : the radiation emitted
- Fluorescence Microscopy - National MagLab
Fluorescence is the property of some atoms and molecules to absorb light at a particular wavelength and to subsequently emit light of longer wavelength after a brief interval, termed the fluorescence lifetime
|
|
|