general surface corrosion
81figuré — figure [ figyr ] n. f. • Xe; lat. figura « forme » I ♦ 1 ♦ Vx Forme extérieure d un corps. ⇒ aspect. Des outils « dont il ne connaît ni l usage, ni le nom, ni la figure » (La Bruyère). ♢ Mod. N avoir plus figure humaine : être si mal …
82Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
83Dealkalization — is a process of surface modification applicable to glasses containing alkali ions, wherein a thin surface layer is created that has a lower concentration of alkali ions than is present in the underlying, bulk glass. This change in surface… …
84Acier — Cet article est lié aux composés du fer et du carbone Fer Carbone Phases …
85automobile — automobilist /aw teuh meuh bee list, moh bi list/, n. /aw teuh meuh beel , aw teuh meuh beel , aw teuh moh beel, beuhl/, n. 1. a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel… …
86radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
87OCÉANS ET MERS — La planète Terre est assez mal nommée, puisqu’elle est couverte, pour 71 p. 100 environ, par l’océan mondial, dont la surface est de l’ordre de 361 millions de kilomètres carrés, pour un volume qui a été évalué à 1 370 憐 106 km3. La profondeur… …
88Motor oil — For the TV documentary focused on the Edmonton Oilers of the National Hockey League, see Oil Change (TV Series). Motor oil sample Motor oil or engine oil is an oil used for lubrication of various internal combustion engines. The main function is… …
89Cathodic protection — (CP) is a technique to control the corrosion of a metal surface by making it work as a cathode of an electrochemical cell. This is achieved by placing in contact with the metal to be protected another more easily corroded metal to act as the… …
90Parts cleaning — is essential to many industrial processes, as a prelude to surface finishing or to protect sensitive components. Electroplating is particularly sensitive to part cleanliness, since molecular layers of oil can prevent adhesion of the coating. ASTM …
