Trap — A trap is a device or tactic intended to harm, capture, detect, or inconvenience a human or animal intruder, or animal pest or game. Traps may be physical objects, such as cages or snares, or metaphorical concepts. Physical trapsExamples of… … Wikipedia
Chemical ionization — (CI) is an ionization technique used in mass spectrometry.[1][2][3] Chemical ionization is a lower energy process than electron ionization. The lower energy yields less fragmentation, and usually a simpler spectrum. A typical CI spectra has an… … Wikipedia
Trap rock — is a form of plutonic igneous rock that tends to form polygonal vertical fractures, most typically hexagonal, but also four to eight sided. The fracture pattern forms when magma of suitable chemical composition (typically basaltic) intrudes as a… … Wikipedia
trap — trap1 traplike, adj. /trap/, n., v., trapped, trapping. n. 1. a contrivance used for catching game or other animals, as a mechanical device that springs shut suddenly. 2. any device, stratagem, trick, or the like for catching a person unawares. 3 … Universalium
Trap (plumbing) — Water seal under a sink. Siphoning takes place Examples of traps … Wikipedia
Chemical weapons in World War I — A poison gas attack using gas cylinders in World War I. The use of chemical weapons in World War I ranged from disabling chemicals, such as tear gas and the severe mustard gas, to lethal agents like phosgene and chlorine. This chemical warfare… … Wikipedia
Chemical formula — Al2(SO4)3 Example of a chemical formula, aluminium sulfate A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound. The chemical formula identifies each constituent … Wikipedia
Chemical toilet — A chemical toilet A chemical toilet is a toilet which uses chemicals to deodorize the waste instead of simply storing it in a hole, or piping it away to a sewage treatment plant. Common types include aircraft lavatory, some passenger train… … Wikipedia
Insect trap — Insect traps can be used to monitor or directly reduce insect populations. They typically use a food, visual lures, chemical attractants and pheromones that do not injure other animals or humans or result in residues on foods or feeds. Visual… … Wikipedia
Gas in a harmonic trap — The results of the quantum harmonic oscillator can be used to look at the equilibrium situation for a quantum ideal gas in a harmonic trap, which is a harmonic potential containing a large number particles that do not interact with each other… … Wikipedia
