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X-rays ( X-radiation) are a form of high-energy electromagnetic radiation. In many languages, it is referred to as Röntgen radiation, after the German scientist Wilhelm Conrad Röntgen, who discovered it in 1895 [ 1] and named it X-radiation to signify an unknown type of radiation.
William Coolidge explains medical imaging and X-rays. An X-ray tube is a vacuum tube that converts electrical input power into X-rays. [ 1 ] The availability of this controllable source of X-rays created the field of radiography, the imaging of partly opaque objects with penetrating radiation. In contrast to other sources of ionizing radiation ...
A powder X-ray diffractometer in motion. X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes a beam of incident X-rays to diffract in specific directions. By measuring the angles and intensities of the X-ray diffraction, a crystallographer ...
The dosage of X-ray radiation received by a dental patient is typically small (around 0.150 mSv for a full mouth series [1]), equivalent to a few days' worth of background environmental radiation exposure, or similar to the dose received during a cross-country airplane flight (concentrated into one short burst aimed at a small area). Incidental ...
Colorado went 4-8 a season ago and 1-8 in the Pac-12. Yet the Buffaloes are apparently the 16th-best team in the game and ahead of schools like Oklahoma, Missouri, Tennessee and Kansas State. Per ...
Best CD rates for July 5, 2024. Today's best rates of return are found at FDIC-insured digital banks and online accounts — up to 5.40% APY with minimum deposits at NexBank, Lending Club and ...
X-ray astronomy. X-rays start at ~0.008 nm and extend across the electromagnetic spectrum to ~8 nm, over which the Earth's atmosphere is opaque. X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray observation and detection from astronomical objects. X-radiation is absorbed by the Earth's atmosphere, so ...
Lada XRAY is the first compact city crossover in the company's history. The car’s design is based on the Dacia B0 platform and is the result of Renault’s and AVTOVAZ’s specialists. Production started in December 2015 in full compliance with the schedule previously announced by the company. It is produced at the Togliatti manufacturing site.