noise emission
91Concorde — For other uses, see Concorde (disambiguation). Concorde Role Supersonic airliner …
92Cosmic infrared background — (CIB) is a mysterious infrared light coming from outer space. It is slowly being resolved into specific sources by infrared telescopes. In some ways it is analogous to the cosmic microwave background, but at shorter wavelengths. Contents 1… …
93radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… …
94Mitigation of aviation's environmental impact — Emissions from aviation are continuing to grow despite advances in aircraft efficiency. Currently 2% of global emissions are created by the aviation industry. Aviation has an impact on the environment due to aircraft engines emitting noise,… …
95Airglow — Dayglow Nightglow Airglow (also called night …
96Spectrofluorometer — The spectrofluorometer is an instrument which takes advantage of fluorescent properties of some compounds in order to provide information regarding their concentration and chemical environment in a sample. A certain excitation wavelength is… …
97Aviation and the environment — Aviation impacts the environment because aircraft engines emit noise, particulates, gases, contribute to climate change cite web|url = http://www.icao.int/icao/en/env/aee.htm|title = Aircraft Engine Emissions |accessdate = 2008 03 19|last =… …
98Fellgett's advantage — or the multiplex advantage is an improvement in signal to noise ratio that is gained when taking multiplexed measurements rather than direct measurements. The name is derived from P. B. Fellgett, who first made the observation as part of his… …
99Pollution — For the Fransisco Battiato album, see Pollution (album). For the Goodies episode, see Pollution (The Goodies). Air pollution from World War II weapon production in Alabama, 1942 …
100Antenna (radio) — Whip antenna on car …
