constant element
11Constant-velocity joint — Rzeppa six ball CV joint Constant velocity joints (aka homokinetic or CV joints) allow a drive shaft to transmit power through a variable angle, at constant rotational speed, without an appreciable increase in friction or play. They are mainly… …
12Élément inversible — Groupe des unités En mathématiques, et plus particulièrement en algèbre, le groupe des unités est une notion de la théorie des anneaux. Il est constitué de l ensemble des éléments de l anneau ayant un inverse pour la deuxième loi. On l appelle… …
13Constant phase element — A constant phase element is an equivalent electrical circuit component that models the behaviour of a double layer, that is an imperfect capacitor. The electrical impedance can be calculated: with Q0 = 1/|Z| at ω = 1 rad/s The constant phase is… …
14element — /el euh meuhnt/, n. 1. a component or constituent of a whole or one of the parts into which a whole may be resolved by analysis: Bricks and mortar are elements of every masonry wall. 2. Chem. one of a class of substances that cannot be separated… …
15element — Synonyms and related words: acid, acidity, addend, adjunct, agent, air, alkali, alkalinity, alloisomer, americium, anion, antacid, antecedents, antilogarithm, appurtenance, argument, article, aspect, astatine, atmosphere, atom, atomic particles,… …
16element — /ˈɛləmənt / (say eluhmuhnt) noun 1. a component or constituent part of a whole. 2. (plural) the rudimentary principles of an art, science, etc.: the elements of grammar. 3. one of the simple substances, usually earth, water, air, and fire,… …
17CONSTANT DE REBECQUE, HENRY BENJAMIN DE — a French politician, of liberal constitutional principles, born at Lausanne, of Huguenot parents; settled in Paris at the commencement of the Revolution, where he distinguished himself by his political writings and speeches; was expelled from… …
18rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
19chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
20Planck constant — Planck s relation redirects here. For the law governing black body radiation, see Planck s law. Values of h Units 6.62606957(29)×10−34 J·s[1] 4.135 …
