particle-shape factor

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• Shape factor (image analysis and microscopy) — Shape factors are dimensionless quantities used in image analysis and microscopy that numerically describe the shape of a particle, independent of its size. Shape factors are calculated from measured dimensions, such as diameter, chord lengths,… …   Wikipedia

• Shape factor — can refer to one of number of values in physics, engineering or image analysis. Typically, a shape factor refers to a value that is affected by an object s shape but is independent of its dimensions.In physics: * A band pass filter performance… …   Wikipedia

• Shape factor (X-ray diffraction) — A shape factor is used in x ray diffraction and crystallography to correlate the size of sub micrometre particles, or crystallites, in a solid to the broadening of a peak in a diffraction pattern. In the Scherrer equation,: au = frac {K… …   Wikipedia

• Particle therapy — Intervention ICD 9: 92.26 Particle therapy is a form of external beam radiotherapy using beams of energetic protons, neutrons, or positive ions for cancer treatment. The most common …   Wikipedia

• Small-angle X-ray scattering — (SAXS) is a small angle scattering (SAS) technique where the elastic scattering of X rays (wavelength 0.1 ... 0.2 nm) by a sample which has inhomogeneities in the nm range, is recorded at very low angles (typically 0.1 10°). This angular range… …   Wikipedia

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• Biological small-angle scattering — Small angle scattering is a fundamental method for structure analysis of materials, including biological materials. Small angle scattering allows one to study the structure of a variety of objects such as solutions of biological macromolecules,… …   Wikipedia

• Jiří Březina — Jiří Březina, born April 6, 1933 in Prague, Czechoslovakia, is a German scientist of Czech origin, a professor of Geology, and an expert in Sand Texture Sedimentology. In 1979 he developed an equation for drag coefficient of a sedimenting… …   Wikipedia

• Dimensionless quantity — In dimensional analysis, a dimensionless quantity or quantity of dimension one is a quantity without an associated physical dimension. It is thus a pure number, and as such always has a dimension of 1.[1] Dimensionless quantities are widely used… …   Wikipedia

• Eigenvalues and eigenvectors — For more specific information regarding the eigenvalues and eigenvectors of matrices, see Eigendecomposition of a matrix. In this shear mapping the red arrow changes direction but the blue arrow does not. Therefore the blue arrow is an… …   Wikipedia

• Center of Excellence in Nanotechnology at AIT — Center of Excellence at AIT CoEN @ AIT Motto There is no sky to limit us at the bottom Type Center of Excellence Endowment …   Wikipedia