cavity gap
121Chelicerata — Temporal range: 445–0 Ma …
122Coelom — Skin (ectoderm) …
123AC power plugs and sockets — See also: Industrial and multiphase power plugs and sockets Plugs and sockets may sometimes combine male and female contacts, but t …
124Electron paramagnetic resonance — (EPR) or electron spin resonance (ESR) spectroscopy is a technique for studying chemical species that have one or more unpaired electrons, such as organic and inorganic free radicals or inorganic complexes possessing a transition metal ion. The… …
125Pharyngeal flap surgery — is a procedure to correct the airflow during speech. The procedure is common amongpeople with cleft palate and some types of dysarthria.Pharyngeal flap proceduresPosterior pharyngeal flap surgery is the most commonly used operation to restore… …
126Double layer (plasma) — This article is about the structure in plasma physics. For other uses, see Double layer. Saturnian aurora whose reddish colour is characteristic of ionized hydrogen plasma.[1] Powered by the Saturnian equivalent of (filamentary) Birkeland… …
127Radiofrequency MASINT — is one of the six major disciplines generally accepted to make up the field of Measurement and Signature Intelligence (MASINT), with due regard that the MASINT subdisciplines may overlap, and MASINT, in turn, is complementary to more traditional… …
128Inductive output tube — The inductive output tube or IOT is a variety of vacuum tube which evolved in the 1980s to meet increasing efficiency requirements for high power RF amplifiers. The primary commercial use of IOTs is in UHF television transmitters, where they have …
