screening phenomenon

См. также в других словарях:

• Electric field screening — Screening is the damping of electric fields caused by the presence of mobile charge carriers. It is an important part of the behavior of charge carrying fluids, such as ionized gases (classical plasmas) and conduction electrons in semiconductors… …   Wikipedia

• Breast cancer screening — refers to the medical screening of asymptomatic, apparently healthy women for breast cancer in an attempt to achieve an earlier diagnosis. The assumption is that early detection will improve outcomes. A number of screening test have been employed …   Wikipedia

• Mechanical screening — Mechanical screening, often just called screening, is the practice of taking granulated ore material and separating it into multiple grades by particle size. This practice occurs in a variety of industries such as mining and mineral processing,… …   Wikipedia

• Electric-field screening — See also: Electromagnetic shielding Screening is the damping of electric fields caused by the presence of mobile charge carriers. It is an important part of the behavior of charge carrying fluids, such as ionized gases (classical plasmas) and… …   Wikipedia

• Midnight movie — This article is about the film genre. For the Los Angeles–based band, see Midnight Movies. For the 2008 horror film, see Midnight Movie (film). A classic midnight movie in every sense of the term, Tod Browning s Freaks (1932) is the sort of… …   Wikipedia

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• RNA interference — (RNAi) is a mechanism that inhibits gene expression at the stage of translation or by hindering the transcription of specific genes. RNAi targets include RNA from viruses and transposons (significant for some forms of innate immune response), and …   Wikipedia

• test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

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• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Bohr model — In atomic physics, the Bohr model created by Niels Bohr depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus mdash;similar in structure to the solar system, but with… …   Wikipedia