filter-paper analysis

  • 81Window function — For the term used in SQL statements, see Window function (SQL) In signal processing, a window function (also known as an apodization function or tapering function[1]) is a mathematical function that is zero valued outside of some chosen interval …

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  • 82Metallography — A micrograph of bronze revealing a cast dendritic structure Metallography is the study of the physical structure and components of metals, typically using microscopy. Ceramic and polymeric materials may also be prepared using metallographic… …

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  • 83List of misconceptions about illegal drugs — Many urban legends and misconceptions about classified drugs have been created and circulated among children and the general public, with varying degrees of veracity. These are commonly repeated by organizations which oppose all classified drug… …

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  • 84William A. Dembski — Born July 18, 1960 (1960 07 18) (age 51) Chicago, Illinois Education University of Illinoi …

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  • 85E-mail spam — E mail spam, also known as bulk e mail or junk e mail, is a subset of spam that involves nearly identical messages sent to numerous recipients by e mail. A common synonym for spam is unsolicited bulk e mail (UBE). Definitions of spam usually… …

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  • 86Nobel Prizes — ▪ 2009 Introduction Prize for Peace       The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …

    Universalium

  • 87Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …

    Universalium

  • 88Email spam — An email box folder filled with spam messages. Email spam, also known as junk email or unsolicited bulk email (UBE), is a subset of spam that involves nearly identical messages sent to numerous recipients by email. Definitions of spam usually… …

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  • 89Discrete wavelet transform — An example of the 2D discrete wavelet transform that is used in JPEG2000. The original image is high pass filtered, yielding the three large images, each describing local changes in brightness (details) in the original image. It is then low pass… …

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  • 90Europe, history of — Introduction       history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …

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