X-ray diffraction technique

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• X-ray diffraction — n a scattering of X rays by the atoms of a crystal that produces an interference effect so that the diffraction pattern gives information on the structure of the crystal or the identity of a crystalline substance * * * a technique for studying… …   Medical dictionary

• X-ray diffraction — Basis of powerful technique for determining the three dimensional structure of molecules, including complex biological macromolecules such as proteins and nucleic acids, that form crystals or regular fibres. Low angle X ray diffraction is also… …   Dictionary of molecular biology

• X-ray diffraction —    An analytical technique used to identify crystalline solids by measuring the characteristic spaces between layers of atoms or molecules in a crystal. X ray diffraction can be very useful in the identification of explosive residue …   Forensic science glossary

• Diffraction topography — (short: topography ) is an X ray imaging technique based on Bragg diffraction. Diffraction topographic images ( topographs ) record the intensity profile of a beam of X rays (or, sometimes, neutrons) diffracted by a crystal. A topograph thus… …   Wikipedia

• Diffraction X — Diffractométrie de rayons X La diffractométrie de rayons X (DRX, on utilise aussi souvent l abréviation anglaise XRD pour X ray diffraction) est une technique d analyse basée sur la diffraction des rayons X sur la matière. La diffraction n ayant… …   Wikipédia en Français

• Diffraction de rayons X — Diffractométrie de rayons X La diffractométrie de rayons X (DRX, on utilise aussi souvent l abréviation anglaise XRD pour X ray diffraction) est une technique d analyse basée sur la diffraction des rayons X sur la matière. La diffraction n ayant… …   Wikipédia en Français

• Diffraction des rayons X — Diffractométrie de rayons X La diffractométrie de rayons X (DRX, on utilise aussi souvent l abréviation anglaise XRD pour X ray diffraction) est une technique d analyse basée sur la diffraction des rayons X sur la matière. La diffraction n ayant… …   Wikipédia en Français

• Wide angle X-ray scattering — (WAXS) or Wide angle X ray diffraction (WAXD) is an X ray diffraction technique that is often used to determine the crystalline structure of polymers. This technique specifically refers to the analysis of Bragg Peaks scattered to wide angles,… …   Wikipedia

• Diffraction tomography — is an inverse scattering technique used to find the shape of a scattering object by illuminating it with probing waves and recording the reflections. It is based on the diffraction slice theorem and assumes that the scatterer is weak. It is… …   Wikipedia

• Diffraction-limited system — Memorial to Ernst Karl Abbe, who approximated the diffraction limit of a microscope as , where d is the resolvable feature size, λ is the wavelength of light, n is the index of refraction of the medium being imaged in, and θ (depicted as α in the …   Wikipedia

• Diffraction grating — A very large reflecting diffraction grating. In optics, a diffraction grating is an optical component with a periodic structure, which splits and diffracts light into several beams travelling in different directions. The directions of these beams …   Wikipedia