- quadrupoles
- Radiator producing a sound field of two adjacent dipoles in antiphase. the eddies in a subsonic jet of gas are quadrupoles
Dictionary of automotive terms. 2015.
Dictionary of automotive terms. 2015.
Quadrupole magnet — Quadrupole magnets consist of groups of four magnets laid out so that in the multipole expansion of the field the dipole terms cancel and where the lowest significant terms in the field equations are quadrupole. Quadrupole magnets are useful as… … Wikipedia
Quadrupole mass analyzer — The quadrupole mass analyzer is one type of mass analyzer used in mass spectrometry. As the name implies, it consists of 4 circular rods, set perfectly parallel to each other.cite book|last=de Hoffmann|first=Edmond|coauthors=Vincent… … Wikipedia
George Randolph Kalbfleisch — Dr. George Randolph Kalbfleisch (March 14, 1931 ndash;September 12, 2006) was Professor Emeritus of Physics at the University of Oklahoma.George Kalbfleisch was born March 14, 1931 in Long Beach, California, to Friedrich Carl and Hildegard… … Wikipedia
Gas chromatography-mass spectrometry — (GC MS) is a method that combines the features of gas liquid chromatography and mass spectrometry to identify different substances within a test sample. Applications of GC MS include drug detection, fire investigation, environmental analysis,… … Wikipedia
Quadrupole — A quadrupole or quadrapole is one of a sequence of configurations of for example electric charge or current, or gravitational mass that can exist in ideal form, but it is usually just part of a multipole expansion of a more complex structure… … Wikipedia
Swiss Light Source — The Swiss Light Source is a synchrotron located at the Paul Scherrer Institute in Switzerland for producing synchrotron radiation of highest brightness. Planning started in 1991, project was approved in 1997, and first light from the storage ring … Wikipedia
Triple quadrupole mass spectrometer — Waters Quattro II triple quadropole mass spectrometer (center). This photo was taken in the old mass spec facility in Whitmore Lab of Pennsylvania State University. A triple quadrupole mass spectrometer is a tandem mass spectrometer consisting of … Wikipedia
PARTICULES (ACCÉLÉRATEURS DE) — Les modèles et théories qui synthétisent notre compréhension actuelle de la matière et de ses constituants élémentaires – molécules, atomes, particules – ont été confrontés à une multitude d’observations expérimentales. Pour réaliser ces… … Encyclopédie Universelle
Inductively coupled plasma mass spectrometry — ICP MS Instrument Acronym ICP MS Classification Mass spectrometry Analytes atomic and polyatomic species in plasma, with exceptions; usually inte … Wikipedia
Van der Waals force — In physical chemistry, the van der Waals force (or van der Waals interaction), named after Dutch scientist Johannes Diderik van der Waals, is the sum of the attractive or repulsive forces between molecules (or between parts of the same molecule)… … Wikipedia