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negative effective mass

См. также в других словарях:

  • Effective mass — In solid state physics, a particle s effective mass is the mass it seems to carry in the semiclassical model of transport in a crystal. It can be shown that, under most conditions, electrons and holes in a crystal respond to electric and magnetic …   Wikipedia

  • Mass in general relativity — General relativity Introduction Mathematical formulation Resources Fundamental concepts …   Wikipedia

  • Mass automobility — refers to a period in United States history, beginning in the early 20th century, where individuals had strong desires and aspirations to own an automobile. Autmobility, more simply, refers to the utilization of automobiles as the major means of… …   Wikipedia

  • Mass psychogenic illness — (MPI), also called mass sociogenic illness,[1] is “the rapid spread of illness signs and symptoms affecting members of a cohesive group, originating from a nervous system disturbance involving excitation, loss or alteration of function, whereby… …   Wikipedia

  • Negative campaigning — Part of the Politics series Political campaigning Finance …   Wikipedia

  • Mass balance — A mass balance (also called a material balance) is an application of conservation of mass to the analysis of physical systems. By accounting for material entering and leaving a system, mass flows can be identified which might have been unknown,… …   Wikipedia

  • Mass surveillance — A closed circuit television camera. Mass surveillance is the pervasive surveillance of an entire population, or a substantial fraction thereof. Modern governments today commonly perform mass surveillance of their citizens, explaining that they… …   Wikipedia

  • mass media, sociology of — A medium is a means of communication such as print, radio, or television. The mass media are defined as large scale organizations which use one or more of these technologies to communicate with large numbers of people (‘mass communications’).… …   Dictionary of sociology

  • 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

  • Races of the Mass Effect universe — This article is about the fictional races found within the Mass Effect universe. These races are explored in the novels Mass Effect: Revelation and Mass Effect: Ascension, and the video games Mass Effect, Mass Effect Galaxy, and Mass Effect 2.… …   Wikipedia

  • Critical mass — This article is about nuclear fission reactions. For other uses, see Critical mass (disambiguation). As part of a re creation of a 1945 criticality accident, a plutonium pit is surrounded by blocks of neutron reflective tungsten carbide. The… …   Wikipedia

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