vapor state
121Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe …
122Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
123List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …
124Nitrous oxide — N2O redirects here. For other uses, see N2O (disambiguation). Laughing gas redirects here. For other uses, see Laughing gas (disambiguation). Not to be confused with nitric oxide (formula NO) or nitrogen dioxide (formula NO2). For other uses, see …
125Water activity — or aw is a measurement of the energy status of the water in a system. It is defined as the vapor pressure of water above a sample divided by that of pure water at the same temperature; therefore, pure distilled water has a water activity of… …
126Organic Rankine Cycle — Thermodynamics …
127Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
128Gasoline — This article is about the fuel and industrial solvent. For other uses, see Gasoline (disambiguation). Petrol redirects here. For other uses, see Petrol (disambiguation). For the bird group, see petrel. A jar containing gasoline …
