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  • Chemical shift — In nuclear magnetic resonance (NMR) spectroscopy, the chemical shift is the resonant frequency of a nucleus relative to a standard. Often the position and number of chemical shifts are diagnostic of the structure of a molecule.[1][2][3] Chemical… …   Wikipedia

  • Proton NMR — (also Hydrogen 1 NMR, or 1HNMR) is the application of nuclear magnetic resonance in NMR spectroscopy with respect to hydrogen nuclei within the molecules of a substance, in order to determine the structure of its molecules.Simple NMR spectra are… …   Wikipedia

  • Carbonyl — In organic chemistry, a carbonyl group is a functional group composed of a carbon atom double bonded to an oxygen atom : C=O. The term carbonyl can also refer to carbon monoxide as a ligand in an inorganic or organometallic complex (a metal… …   Wikipedia

  • Nuclear magnetic resonance spectroscopy of carbohydrates — Carbohydrate NMR Spectroscopy is the application of nuclear magnetic resonance (NMR) spectroscopy to structural and conformational analysis of carbohydrates. This tool allows the carbohydrate chemist to determine the structure of monosaccharides… …   Wikipedia

  • American football strategy — concerns the deployment of offensive, defensive, and special teams players in American football. Contents 1 Offensive strategy 1.1 Offensive players …   Wikipedia

  • Glossary of American football — The following terms are used in American football and Canadian football, but see also the glossary of Canadian football. Contents: 0–9 A B C D E F G H I J K L M N O P Q R S T U V …   Wikipedia

  • Draw play — A draw play, or simply draw for short, is a type of American football play. The draw appears to be a passing play, but is actually a running play; in this way, it can be considered the opposite of the play action pass. The idea behind a draw play …   Wikipedia

  • Comparison of American and Canadian football — Diagram of an American football field Diagram of a …   Wikipedia

  • American football rules — The Tennessee Titans and the Houston Texans in formation before a play Game play in American football consists of a series of downs, individual plays of short duration, outside of which the ball is dead or not in play. These can be plays from… …   Wikipedia

  • Nuclear magnetic resonance — This article is about the physical phenomenon. For its use as a method in spectroscopy, see Nuclear magnetic resonance spectroscopy. NMR redirects here. For other uses, see NMR (disambiguation). First 1 GHz NMR Spectrometer (1000 MHz,… …   Wikipedia

  • Bootleg play — The Waggle play from the Delaware Winged T offense, here shown from Red formation, is one type of bootleg. The quarterback fakes hand offs to both the halfback and fullback before rolling out with the protection of both guards. The quarterback… …   Wikipedia

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