- infrared absorption spectrum
- 红外吸收光谱
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
Infrared Radiation — In fra*red Ra di*a tion, n. [Infra + red.] (Physics) electromagnetic radiation having a wavelength of between 700 nanometers and 1 millimeter. Note: Infrared radiation is that electromagnetic radiation lying between the visible spectrum and the… … The Collaborative International Dictionary of English
Absorption spectroscopy — An overview of electromagnetic radiation absorption. This example discusses the general principle using visible light as a specific example. A white beam source – emitting light of multiple wavelengths – is focused on a sample (the complementary… … Wikipedia
Infrared — For other uses, see Infrared (disambiguation). An image of two people in mid infrared ( thermal ) light (false color) … Wikipedia
Absorption band — An absorption band is a range of wavelengths (or, equivalently, frequencies) in the electromagnetic spectrum which are able to excite a particular transition in a substance. See absorption spectrum. Since energetic transitions can take place in… … Wikipedia
Infrared heater — An infrared heater is a body with a higher temperature which transfers energy to a body with a lower temperature through electromagnetic radiation. Depending on the temperature of the emitting body, the wavelength of the infrared radiation ranges … Wikipedia
spectrum — /spek treuhm/, n., pl. spectra / treuh/, spectrums. 1. Physics. a. an array of entities, as light waves or particles, ordered in accordance with the magnitudes of a common physical property, as wavelength or mass: often the band of colors… … Universalium
infrared spectrometer — a device that analyzes the chemical composition of a substance either by passing infrared light through a specimen and characterizing its absorption spectrum or by measuring the amount of infrared light emitted by excited atoms or molecules in a… … Medical dictionary
Infrared spectroscopy — (IR spectroscopy) is the subset of spectroscopy that deals with the infrared region of the electromagnetic spectrum. It covers a range of techniques, the most common being a form of absorption spectroscopy. As with all spectroscopic techniques,… … Wikipedia
Infrared astronomy — is the branch of astronomy and astrophysics which deals with objects visible in infrared (IR) radiation. Visible radiation ranges from 400 nm (blue) to 700 nm (red). Longer wavelengths than 700 nm but still shorter than microwaves are called… … Wikipedia
Electromagnetic spectrum — The electromagnetic (EM) spectrum is the range of all possible electromagnetic radiation frequencies. [cite web|url=http://imagine.gsfc.nasa.gov/docs/dict ei.html#em spectrum|title=Imagine the Universe! Dictionary] The electromagnetic spectrum… … Wikipedia
spectrum — 1. The range of colors presented when white light is resolved into its constituent colors by being passed through a prism or through a diffraction grating : red, orange, yellow, green, blue, indigo, and violet … Medical dictionary