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The dripping candle wax sign is a radiologic sign seen on X-rays of bone that indicates melorheostosis (or Leri disease), a rare benign bone disease characterized by bone hypertrophy, dysplasia, and sclerosis. [1] Sclerosis typically affects one side of the cortex of the involved bone, appearing similar to wax melting down one side of a candle. [1]
Gemstone irradiation is a process in which a gemstone is exposed to artificial radiation in order to enhance its optical properties.High levels of ionizing radiation can change the atomic structure of the gemstone's crystal lattice, which in turn alters the optical properties within it. [1]
Melorheostosis is a mesenchymal dysplasia manifesting as regions of dripping wax appearance or flowing candle wax appearance. [5] The disorder can be detected by radiograph due to thickening of bony cortex resembling "dripping candle wax." It is included on the spectrum of developmental bone dysplasias including pycnodysostosis and ...
The new anthology was officially announced on January 12, 2021 and it was released on March 16, 2021. The standard cover was designed by the artist Clint Cearley. An alternate art cover edition, designed by the artist Simen Meyer, of the book is only available through local game stores. [ 4 ]
In 1937, the international candle was redefined again—against the luminous intensity of a blackbody at the freezing point of liquid platinum which was to be 58.9 international candles per square centimetre. In 1948, the international unit candela replaced candlepower. One candlepower unit is about 0.981 candela.
A variation is the alpha proton X-ray spectrometer, such as on the Pathfinder mission, which also detects protons. Over the years several modified versions of this type of instrument such as APS (without X-ray spectrometer) or APXS have been flown: Surveyor 5-7 , [ 2 ] Mars Pathfinder , [ 3 ] Mars 96 , [ 4 ] Mars Exploration Rover , [ 5 ...
Rayleigh fading is a statistical model for the effect of a propagation environment on a radio signal, such as that used by wireless devices.. Rayleigh fading models assume that the magnitude of a signal that has passed through such a transmission medium (also called a communication channel) will vary randomly, or fade, according to a Rayleigh distribution — the radial component of the sum of ...
Model 16H-1 Pathfinder one PWC PT6B-2 with one 405 shp turboshaft engine Model 16H-1A Pathfinder II larger version with one 1,250 shp (930 kW) T58-GE-8 Model 16H-1C Pathfinder III proposed conversion of the 16H-1A with one 1,500 shp (1,100 kW) T58-GE-5 [2] Model 16H-3J nine-seat development, not built.