selective filter

  • 11Diesel particulate filter — A diesel particulate filter (top left) in a Peugeot Off road DPF Installa …

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  • 12Dichroic filter — Dichroic filters A dichroic filter, thin film filter, or interference filter is a very accurate color filter used to selectively pass light of a small range of colors while reflecting other colors. By comparison, dichroic mirrors and dichroic… …

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  • 13Interference filter — An interference filter or dichroic filter is an optical filter that reflects one or more spectral bands or lines and transmits others, while maintaining a nearly zero coefficient of absorption for all wavelengths of interest. An interference… …

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  • 14attention — attentional, adj. n. /euh ten sheuhn/; interj. /euh ten shun /, n. 1. the act or faculty of attending, esp. by directing the mind to an object. 2. Psychol. a. a concentration of the mind on a single object or thought, esp. one preferentially… …

    Universalium

  • 15Mass spectrometry — (MS) is an analytical technique that measures the mass to charge ratio of charged particles.[1] It is used for determining masses of particles, for determining the elemental composition of a sample or molecule, and for elucidating the chemical… …

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  • 16Nuclear magnetic resonance spectroscopy of carbohydrates — Carbohydrate NMR Spectroscopy is the application of nuclear magnetic resonance (NMR) spectroscopy to structural and conformational analysis of carbohydrates. This tool allows the carbohydrate chemist to determine the structure of monosaccharides… …

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  • 17Cell membrane — Illustration of a Eukaryotic cell membrane The cell membrane or plasma membrane is a biological mem …

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  • 18membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m …

    Medical dictionary

  • 19Pierce oscillator — The Pierce oscillator is a type of electronic oscillator circuit particularly well suited for implementing crystal oscillator circuits. Named for its inventor, George W. Pierce (1872 1956), the Pierce oscillator is a derivative of the Colpitts… …

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  • 20Henryk Magnuski — Henryk Władysław Magnuski (1909 1978) was a Polish telecommunications engineer who worked for Motorola in Chicago. He was the inventor of one of the first Walkie Talkies and one of the authors of his company success in the fields of radio… …

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