- Hammett's constant
- 哈墨特(氏)常数,电性效应常数
Medical Chinese dictionary (湘雅医学词典). 2013.
Hammett's constant
Look at other dictionaries:
Hammett equation — ; 1935; 17(1); 125 136 [http://pubs.acs.org/cgi bin/abstract.cgi/chreay/1935/17/i01/f pdf/f cr60056a010.pdf Abstract] ] .The basic idea is that for any two reactions with two aromatic reactants only differing in the type of substituent the change … Wikipedia
Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high … Wikipedia
Curtin–Hammett principle — The Curtin–Hammett principle is a principle in chemical kinetics proposed by David Yarrow Curtin and Louis Plack Hammett. It states that, for a reaction that has a pair of reactive intermediates or reactants that interconvert rapidly (as is… … Wikipedia
Équation de Hammett — L équation de Hammett, en chimie organique, permet de relier les rendements ou les constantes d équilibre d un grand nombre de réactions impliquant des dérivés de l acide benzoïque avec la nature des meta ou para substituants. Cette équation… … Wikipédia en Français
Louis Plack Hammett — (April 7, 1894 February 9, 1987) was an American physical chemist. He is perhaps best known for the Hammett equation, which relates reaction rates to equilibrium constants for certain classes of organic reactions involving substituted aromatic… … Wikipedia
Constante de disociación ácida — El ácido acético, un ácido débil puede perder un protón (destacado en verde) y donarlo a una molécula de agua, H20, dando lugar a un anión acetato CH3COO y creando un catión hidronio … Wikipedia Español
Scientific phenomena named after people — This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… … Wikipedia
S&M (album) — S M Live album by Metallica and the San Francisco Symphony Released November … Wikipedia
Partition coefficient — In chemistry and the pharmaceutical sciences, a partition (P) or distribution coefficient (D) is the ratio of concentrations of a compound in the two phases of a mixture of two immiscible solvents at equilibrium.[1] The terms gas/liquid partition … Wikipedia
Nell Martin — (1890 1961) was an American author from Illinois specializing in light hearted mysteries and short stories. She was at one time the girlfriend of writer Dashiell Hammett. She also published under the names Nell Columbia Boyer Martin and Columbia… … Wikipedia
List of Metalocalypse episodes — This is a list of episodes for the Cartoon Network animated television series Metalocalypse, which is part of the Adult Swim programming block. The series is produced by Williams Street Studios and animated by Titmouse, Inc. Metalocalypse made… … Wikipedia
