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Flame ionization detector — A flame ionization detector (FID) is a type of gas detector used in gas chromatography. The first flame ionization detector was developed in 1957 by scientists working for the CSIRO in Melbourne, Australia.… … Wikipedia
Photoionization detector — A photoionization detector or PID is a type of gas detector. Typical photoionization detectors measure volatile organic compounds and other gases in concentrations from 1 parts per billion to 10 000 parts per million (ppm). The photoionizaton… … Wikipedia
Helium ionization detector — A helium ionization detector (HID) is a type of detector used in gas chromatography. PrincipleAn HID is an ion detector which uses a radioactive source to produce ions. The radioactive source ionizes helium atoms by bombarding them with emissions … Wikipedia
Discharge ionization detector — A discharge ionization detector (DID) is a type of detector used in gas chromatography. Principle A DID is an ion detector which uses a high voltage electric discharge to produce ions. The spark ionizes helium atoms that are mixed with components … Wikipedia
Harris affine region detector — In the fields of computer vision and image analysis, the Harris affine region detector belongs to the category of feature detection. Feature detection is a preprocessing step of several algorithms that rely on identifying characteristic points or … Wikipedia
Smoke detector — A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a… … Wikipedia
Cat's-whisker detector — Galena cat s whisker detector Precision cat s whisker d … Wikipedia
Hessian Affine region detector — The Hessian Affine region detector is a feature detector used in the fields of computer vision and image analysis. Like other feature detectors, the Hessian Affine detector is typically used as a preprocessing step to algorithms that rely on… … Wikipedia
Chromatography detector — A chromatography detector is a device used in gas chromatography (GC) or liquid chromatography (LC) to visualize components of the mixture being eluted off the chromatography column. There are two general types of detectors: destructive and non… … Wikipedia
Microchannel plate detector — from the Daresbury Recoil Separator A micro channel plate (MCP) is a planar component used for detection of particles (electrons or ions) and impinging radiation (ultraviolet radiation and X rays). It is closely related to an electron multiplier … Wikipedia
Lightning detector — A lightning detector is a device that detects lightning produced by thunderstorms. There are three primary types of detectors: ground based systems using multiple antennas, mobile systems using a direction and a sense antenna in the same location … Wikipedia