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The optical spectrum is sometimes considered to be the same as the visible spectrum, but some authors define the term more broadly, to include the ultraviolet and infrared parts of the electromagnetic spectrum as well, known collectively as optical radiation. [1] A typical human eye will respond to wavelengths from about 380 to about 750 ...
The method or technique of infrared spectroscopy is conducted with an instrument called an infrared spectrometer (or spectrophotometer) which produces an infrared spectrum. An IR spectrum can be visualized in a graph of infrared light absorbance (or transmittance) on the vertical axis vs. frequency, wavenumber or wavelength on the
Solar spectrum with Fraunhofer lines as it appears visually. A material's absorption spectrum is the fraction of incident radiation absorbed by the material over a range of frequencies of electromagnetic radiation. The absorption spectrum is primarily determined [2] [3] [4] by the atomic and molecular composition of the material.
SRS representation of the transient input shown above in SRS form. A Shock Response Spectrum (SRS) [1] is a graphical representation of a shock, or any other transient acceleration input, in terms of how a Single Degree Of Freedom (SDOF) system (like a mass on a spring) would respond to that input.
Principle of EDS. The excess energy of the electron that migrates to an inner shell to fill the newly created hole can do more than emit an X-ray. [3] Often, instead of X-ray emission, the excess energy is transferred to a third electron from a further outer shell, prompting its ejection.
The Yo-Yo intermittent test is aimed at estimating performance in stop-and-go sports like football (soccer), cricket, basketball and the like. It was conceived around the early 1990s by Jens Bangsbo, [1] a Danish soccer physiologist, then described in a 2008 paper, "The Yo-Yo Intermittent Recovery Test". [2]
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