- chemical passivity
- 化学的钝态
English-Chinese metallurgy dictionary. 2014.
chemical passivity
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Passivity — Pas*siv i*ty, n. [Cf. F. passivit[ e].] 1. Passiveness; opposed to activity. Jer. Taylor. [1913 Webster] 2. (Physics) The tendency of a body to remain in a given state, either of motion or rest, till disturbed by another body; inertia. Cheyne.… … The Collaborative International Dictionary of English
passivity — /pa siv i tee/, n. 1. Also, passiveness /pas iv nis/. the state or condition of being passive. 2. chemical inactivity, esp. the resistance to corrosion of certain metals when covered with a coherent oxide layer. [1650 60; PASSIVE + ITY] * * * … Universalium
passivity — pas•siv•i•ty [[t]pæˈsɪv ɪ ti[/t]] n. 1) Also, pas•sive•ness [[t]ˈpæs ɪv nɪs[/t]] the state or condition of being passive. 2) chem. chemical inactivity, esp. the resistance to corrosion of certain metals • Etymology: 1650–60 … From formal English to slang
noble gas — Chem. any of the chemically inert gaseous elements of group 8A or 0 of the periodic table: helium, neon, argon, krypton, xenon, and radon. Also called inert gas. [1900 05] * * * or inert gas Any of the six chemical elements that make up the… … Universalium
Cosmology — • In our day cosmology is a branch of philosophical study, and therefore excludes from its investigation whatever forms the object of the natural sciences Catholic Encyclopedia. Kevin Knight. 2006. Cosmology Cosmology … Catholic encyclopedia
Europe, 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.… … Universalium
electrochemical reaction — ▪ chemistry Introduction any process either caused or accompanied by the passage of an electric current and involving in most cases the transfer of electrons between two substances one a solid and the other a liquid. Under ordinary… … Universalium
Corrosion — v · d · e Materials failure modes Buckling · … Wikipedia
Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… … Universalium
India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… … Universalium
mental disorder — Any illness with a psychological origin, manifested either in symptoms of emotional distress or in abnormal behaviour. Most mental disorders can be broadly classified as either psychoses or neuroses (see neurosis; psychosis). Psychoses (e.g.,… … Universalium
