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The standard is based on the ″M″ (mean line) system. There are many different roughness parameters in use, but R a {\displaystyle Ra} is by far the most common, though this is often for historical reasons and not for particular merit, as the early roughness meters could only measure R a {\displaystyle Ra} .
A return merchandise authorization (RMA), return authorization (RA) or return goods authorization (RGA) is a part of the process of returning a product to receive a refund, replacement, or repair to which buyer and seller agree during the product's warranty period.
Meaning R: respiration, (right) RA: refractory anemia rheumatoid arthritis right atrium room air RAD: reflex anal dilatation right axis deviation reactive airway disease radiation absorbed dose reactive attachment disorder: Rad hys: radical hysterectomy: RAE: right atrial enlargement RAI: radioactive iodine: RAIU: thyroid reactive iodine uptake ...
The RAQoL was developed by Galen Research, the University of Leeds and the Academic Hospital Maastricht, and was first published in 1997. [5] It was the first patient completed quality of life questionnaire that focused on rheumatoid arthritis [6] and is distinct from other questionnaires as it includes physical contact as a dimension of quality of life. [3]
RA radio altitude or radar altimeter: RA resolution advisory In the context of TCAS: RAAS Runway Awareness and Advisory System: RAAS remote airport advisory service Rad Alt Radio Altitude Radar: RAdio Detection And Ranging RAI Radio altimeter indicator RAIM Receiver Autonomous Integrity Monitoring: Or: remote autonomous integrity monitoring RALT
After a hot December jobs report pared back investor's hopes for interest rate cuts in 2025, two key inflation readings will add to the discussion in the week ahead.
Donovan Mitchell scored 35 points and the NBA-leading Cleveland Cavaliers beat the Indiana Pacers 127-117 on Tuesday night. Darius Garland scored 24 points and Evan Mobley added 22 points and 13 ...
WASHINGTON (Reuters) -The United States on Tuesday imposed sanctions on entities in Iran and Russia, accusing them of attempting to interfere in the 2024 U.S. election. The U.S. Treasury ...