X-ray collimator

См. также в других словарях:

• Collimator — Example of a particle collimator A collimator is a device that narrows a beam of particles or waves. To narrow can mean either to cause the directions of motion to become more aligned in a specific direction (i.e., collimated or parallel) or to… …   Wikipedia

• X-ray fluorescence — (XRF) is the emission of characteristic secondary (or fluorescent) X rays from a material that has been excited by bombarding with high energy X rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis,… …   Wikipedia

• X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… …   Wikipedia

• Compton Gamma Ray Observatory — General information NSSDC ID 1991 027B Organization NASA …   Wikipedia

• Wavelength dispersive X-ray spectroscopy — The Wavelength dispersive X ray spectroscopy (WDXRF or WDS) is a method used to count the number of X rays of a specific wavelength diffracted by a crystal. The wavelength of the impinging x ray and the crystal s lattice spacings are related by… …   Wikipedia

• Rotational Modulation Collimator — Rotational Modulation Collimators (or RMCs) are a specialization of the modulation collimator, an imaging device invented by Minoru Oda. Devices of this type create images of high energy X rays (or other radiations that cast shadows). Since high… …   Wikipedia

• John F. McGrath — John F. McGrath, Jr (1922 2007) was the designer of the first electronic railroad track scale for Union Carbide. He also designed strain gage testing devices for the USS Albacore, the prototype hull design of nuclear submarines. He invented the… …   Wikipedia

• Neutron Radiography — is the process by which film is exposed by first passing neutrons through an object to produce a visible image of the materials that make up the object. Primarily used in scientific investigations. Contents 1 Brief History of Neutron Imaging 2… …   Wikipedia

• Neutron imaging — Manual of Style …   Wikipedia

• Gamma camera — A gamma camera is a device used to image gamma radiation emitting radioisotopes, a technique known as scintigraphy. The applications of scintigraphy include early drug development and nuclear medical imaging to view and analyse images of the… …   Wikipedia

• Cyberknife — The CyberKnife is a frameless robotic radiosurgery system used for treating benign tumors, malignant tumors and other medical conditions.[1][2] The system was invented by John R. Adler, a Stanford University Professor of Neurosurgery and… …   Wikipedia