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  2. Auger electron spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Auger_electron_spectroscopy

    Auger electron spectroscopy (AES; pronounced [oʒe] in French) is a common analytical technique used specifically in the study of surfaces and, more generally, in the area of materials science. It is a form of electron spectroscopy that relies on the Auger effect, based on the analysis of energetic electrons emitted from an excited atom after a ...

  3. Atomic absorption spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Atomic_absorption_spectroscopy

    Atomic absorption spectroscopy (AAS) and atomic emission spectroscopy (AES) is a spectroanalytical procedure for the quantitative determination of chemical elements by free atoms in the gaseous state. Atomic absorption spectroscopy is based on absorption of light by free metallic ions. In analytical chemistry the technique is used for ...

  4. Atomic emission spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Atomic_emission_spectroscopy

    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 in the emission spectrum gives the identity of the element while the intensity ...

  5. The Four Stages of Prostate Cancer: What You Need to Know

    www.healthline.com/health/prostate-cancer-stages

    grade group 2: 7 (3 + 4) intermediate: grade group 3: 7 (4 +3) high to very high: grade group 4: 8: high to very high: grade group 5: 9–10: Not all hospitals have switched to the grade group ...

  6. Lung Nodule Size Chart: What the Size of Nodules Indicates

    www.healthline.com/health/lung-cancer/lung...

    A lung nodule is an irregular growth in your lungs that has a diameter of less than 30 millimeters (mm), or 1.2 inches. Lung nodules are very common and are estimated to occur in 2% to 24% of the ...

  7. AES3 - Wikipedia

    en.wikipedia.org/wiki/AES3

    AES-2id is an AES information document published by the Audio Engineering Society [3] for digital audio engineering—Guidelines for the use of the AES3 interface. This document provides guidelines for the use of AES3, AES Recommended Practice for Digital Audio Engineering, Serial transmission format for two-channel linearly represented digital ...

  8. Rijndael S-box - Wikipedia

    en.wikipedia.org/wiki/Rijndael_S-box

    Both the input and output are interpreted as polynomials over GF(2). First, the input is mapped to its multiplicative inverse in GF(2 8) = GF(2) [x]/(x 8 + x 4 + x 3 + x + 1), Rijndael's finite field. Zero, as the identity, is mapped to itself. This transformation is known as the Nyberg S-box after its inventor Kaisa Nyberg. [2]

  9. Three-center two-electron bond - Wikipedia

    en.wikipedia.org/wiki/Three-center_two-electron_bond

    The monomer BH 3 is unstable since the boron atom has an empty p-orbital. A B−H−B 3-center-2-electron bond is formed when a boron atom shares electrons with a B−H bond on another boron atom. The two electrons (corresponding to one bond) in a B−H−B bonding molecular orbital are spread out across three internuclear spaces.