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* A parameter used in X-ray computed tomography

* X-ray computed tomography

* X-ray computed tomography, often referred to as a CT or CAT scan, a medical imaging method

# REDIRECT X-ray computed tomography

Although the term " computed tomography " could be used to describe positron emission tomography or single photon emission computed tomography ( SPECT ), in practice it usually refers to the computation of tomography from X-ray images, especially in older medical literature and smaller medical facilities.

In MeSH, " computed axial tomography " was used from 1977 – 79, but the current indexing explicitly includes " X-ray " in the title.

A PACS consists of four major components: The imaging modalities such as X-ray computed tomography ( CT ) and magnetic resonance imaging ( MRI ), a secured network for the transmission of patient information, workstations for interpreting and reviewing images, and archives for the storage and retrieval of images and reports.

# REDIRECT X-ray computed tomography

# REDIRECT X-ray computed tomography

Radiologists use an array of imaging technologies ( such as X-ray radiography, ultrasound, computed tomography ( CT ), nuclear medicine, positron emission tomography ( PET ) and magnetic resonance imaging ( MRI )) to diagnose or treat diseases.

* Diagnostic radiology, including X-rays, fluoroscopy, mammography, dual energy X-ray absorptiometry, angiography and computed tomography

** X-ray computed tomography ( CT )

In 2008, an X-ray computed tomography was taken of Canute, which showed that he was right-handed and of a slender build.

Diagnosis of a pneumothorax by physical examination alone can be difficult or inconclusive ( particularly in smaller pneumothoraces ), so a chest X-ray or computed tomography ( CT ) scan is usually used to confirm its presence.

** X-ray computed tomography ( CT or CAT scann )

# REDIRECT X-ray computed tomography

Scintillators can also be used in neutron and high energy particle physics experiments, new energy resource exploration, X-ray security, nuclear cameras, computed tomography and gas exploration.

The upper right wisdom tooth in this X-ray computed tomography | CT scan shows a severe impaction.

; Analysis: Many devices, such as X-ray computed tomography scanners ( CT or CAT scans ), measure raw data that is essentially meaningless to people.

# REDIRECT X-ray computed tomography

Electron beam tomography is a specific form of CT in which a large enough X-ray tube is constructed so that only the path of the electrons, traveling between the cathode and anode of the X-ray tube, are spun using deflection coils.

Pneumoencephalography Study for brain was quickly replaced by CT. A form of tomography can be performed by moving the X-ray source and detector during an exposure.

The structure of two mouse | murine reelin repeats as revealed by X-ray crystallography and electron tomography.

In tomography, the X-ray source and detector move to blur out structures not in the focal plane.

However, Curie also worked with unshielded X-ray tubes during World War I, and analysis of her skeleton during a reburial showed a relatively low level of radioisotope burden.

Hot electron emitters are also used as the electrodes in fluorescent lamps and in the source tubes of X-ray machines.

This is most obvious in the " far " ( or " extreme ") ultraviolet, and also X-ray and gamma radiation, are referred to as ionizing radiation due to the ability of photons of this radiation to produce ions and free radicals in materials ( including living tissue ).

The advantages of electron diffraction over X-ray crystallography are that the specimen need not be a single crystal or even a polycrystalline powder, and also that the Fourier transform reconstruction of the object's magnified structure occurs physically and thus avoids the need for solving the phase problem faced by the X-ray crystallographers after obtaining their X-ray diffraction patterns of a single crystal or polycrystalline powder.

In 1936, Romanian physicist Horia Hulubei and his French colleague Yvette Cauchois also analyzed pollucite, this time using their high-resolution X-ray apparatus.

Crick was writing his Ph. D. thesis ; Watson also had other work such as trying to obtain crystals of myoglobin for X-ray diffraction experiments.

This was the first use of X-ray spectroscopy and also one more step towards the creation of X-ray crystallography.

Though less common, X-ray microscopy has also been developed since the late 1940s.

His contemporary Lewis Stadler also showed the mutational effect of X-ray on barley in 1928, and ultraviolet ( UV ) radiation on maize in 1936.

X-rays, which are produced by the interaction of electrons with the sample, may also be detected in an SEM equipped for energy-dispersive X-ray spectroscopy or wavelength dispersive X-ray spectroscopy.

The electronic structure of tungsten makes it one of the main sources for X-ray targets, and also for shielding from high-energy radiations ( such as in the radiopharmaceutical industry for shielding radioactive samples of FDG ).

X-ray tubes are also vacuum tubes.

X-ray crystal structures can also account for unusual electronic or elastic properties of a material, shed light on chemical interactions and processes, or serve as the basis for designing pharmaceuticals against diseases.

X-ray crystallography — or, strictly speaking, an inelastic Compton scattering experiment — has also provided evidence for the partly covalent character of hydrogen bonds.

A broad spectrum of X-rays ( that is, a blend of X-rays with different wavelengths ) can also be used to carry out X-ray diffraction, a technique known as the Laue method.

In general, small molecules are also easier to crystallize than macromolecules ; however, X-ray crystallography has proven possible even for viruses with hundreds of thousands of atoms.

* Mixed-morphology ( also called " thermal composite ") remnants, in which central thermal X-ray emission is seen, enclosed by a radio shell.

An X-ray spectrometer, an X-ray telescope, Cosmic Ray Detector, and a Laser device were also included.

An X-ray spectrometer, an X-ray telescope, cosmic ray detectors, and a laser device were also included.