- characteristic wavelength
- 特炸长
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
characteristic X-rays — see under ↑X • • • Main Entry: ↑character characteristic X rays Secondary X rays emitted when X rays fall on matter, which contain monochromatic radiations that vary in wavelength according to the atoms from which they are scattered • • • Main… … Useful english dictionary
Wavelength-division multiplexing — For the radio station, see DWDM FM. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial m … Wikipedia
Characteristic x-ray — A high energy electron interacts with a bound electron in an atom and ejects it. The incident electron is scattered and the target electron gets displaced from its shell. The incident electron energy must exceed the binding energy of the electron … Wikipedia
characteristic radiation — noun : radiation in the form of light or X rays of wavelengths peculiar to the substance emitting or absorbing it * * * characteristic radiation noun (physics) The wavelength of radiation that characterizes the atom of a particular substance • •… … Useful english dictionary
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… … Universalium
Atomic emission spectroscopy — (AES) is a method of chemical analysis that uses the intensity of light emitted from a flame, plasma, arc, or spark at a particular wavelength to determine the quantity of an element in a sample. The wavelength of the atomic spectral line gives… … Wikipedia
nanotechnology — /nan euh tek nol euh jee, nay neuh /, n. any technology on the scale of nanometers. [1987] * * * Manipulation of atoms, molecules, and materials to form structures on the scale of nanometres (billionths of a metre). These nanostructures typically … Universalium
Inductively coupled plasma atomic emission spectroscopy — (ICP AES), also referred to as inductively coupled plasma optical emission spectrometry (ICP OES), is an analytical technique used for the detection of trace metals. It is a type of emission spectroscopy that uses the inductively coupled plasma… … Wikipedia
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Carbon dioxide sensor — A carbon dioxide sensor or CO2 sensor is an instrument for the measurement of carbon dioxide gas. The most common principles for CO2 sensors are infrared gas sensors (NDIR) and chemical gas sensors. Nondispersive Infrared (NDIR) CO2 Sensors NDIR… … Wikipedia