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gray

 [gra]
the SI unit of absorbed radiation dose, defined as the transfer of 1 joule of energy per kilogram of absorbing material (1 J/kg); 1 gray equals 100 rads.

gray (Gy),

(grā),
The SI unit of absorbed dose of ionizing radiation, equivalent to 1 J/kg of tissue; 1 Gy = 100 rad.
Synonym(s): griseus
[Louis H. Gray, British radiologist, 1905-1965]

gray

(gra)
1. of a hue between white and black.
2. a unit of absorbed radiation dose equal to 100 rads. Abbreviated Gy.

gray (Gy)

the SI unit of absorbed radiation dose. One gray equals the energy equivalent of 1 J/kg of matter; 1 Gy equals 100 rad. See also radiation absorbed dose.
Radiation oncology noun The SI unit for radiation, based on actual radiation absorption, as measured by a thermoluminescent dosimeter placed within a patient or a phantom; 1 Gy is equal to 1 joule/kg of absorber, roughly equivalent to 100 rads
Vox populi adjective Referring to an older person, usually at or near the age of retirement

gray

Gy Radiation physics The SI unit for radiation, based on actual radiation absorption, as measured by a thermoluminescent dosimeter placed within a Pt or a phantom; 1 Gy is equal to 1 joule/kg of absorber–100 rads

gray

(grā)
The SI unit of absorbed dose of ionizing radiation, equivalent to 1 J/kg of tissue; 1 Gy = 100 rad.
[Louis H. Gray, British radiologist, 1905-1965]

gray

A unit of absorbed dose of radiation equal to an energy absorption of 1 Joule per kilogram of irradiated material. 1 Gy is equivalent to 100 RADS. In radiotherapy, radiation is commonly applied to the area of the tumour in a dosage of around 2 Gy a day, five days a week for periods of 3–6 weeks.

gray

(Gy) (grā)
The SI unit of absorbed dose of ionizing radiation, equivalent to 1 J/kg of tissue; 1 Gy = 100 rad.
[Louis H. Gray, British radiologist, 1905-1965]

Gray (Gy),

n a unit of measurement for an absorbed dose of radiation, from the French
Systéme International d'Unités; converts to the traditional rad by the formula 100 rad = 1 Gy.
References in periodicals archive ?
Initial radiation hardened MOSFETs for both space level and military applications offer voltages ranges from 30 to 500 volts, meeting and exceeding 100K rad levels.
In 1984, he was responsible for introducing the company's first radiation hardened product, a "nuclear event detector", which senses potentially damaging radiation effects and shuts down sensitive electronic systems to limit damage.
be), Europe's largest independent microelectronics and nanotechnology research center, which will lead to its patented low power Intelligent Output Driver (IOD) technology being used by IMEC in radiation hardened environments, such as in space applications, where power optimisation is imperative.
The Department of Defense (DOD) Radiation Hardened Microelectronics Accelerated Technology Development program has provided funding to Honeywell for development of a deep submicron multimillion gate ASIC design and fabrication capability.
The STC renovations, completed in less than two years, were supported by the Department of Defense (DoD) Accelerated Radiation Hardened Microelectronics Program.
Combining Motorola's MRAM with Honeywell's Silicon-On-Insulator (SOI) radiation hardened process will produce a new, revolutionary chip that improves data storage," said Eric Doremus, vice president of Honeywell's precision sensors and components business.
These include an astronaut tracking and camera slave system for NASA's Neutral Buoyancy Simulator, a Radiation Hardened tracking and ROV control system for GE Nuclear, and a tracking and ROV control systems for the U.
Radiation hardened microelectronics are required for a broad and rapidly growing variety of space and avionics applications.

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