vitrification temperature
41pottery — /pot euh ree/, n., pl. potteries. 1. ceramic ware, esp. earthenware and stoneware. 2. the art or business of a potter; ceramics. 3. a place where earthen pots or vessels are made. [1475 85; POTTER1 + Y3] * * * I One of the oldest and most… …
42NUCLÉAIRE (INDUSTRIE) - Séparation isotopique et retraitement — Le développement industriel des réacteurs nucléaires n’est possible que grâce à la création d’industries spécialisées, souvent fort complexes, en particulier celles qui assurent les différentes phases de transformation du combustible nucléaire… …
43VERRE — Les verres constituent un ensemble extrêmement varié de produits dont les propriétés sont innombrables. Celles ci dépendent fortement des traitements subis, thermiques notamment. Leur mise au point résulte aujourd’hui des progrès des… …
44Verre — Cet article concerne le verre (le matériau). Pour les autres significations, voir Verre (homonymie). Une bouteille de verre coloré. Le verre est un matériau ou un alliage dur …
45Insulated glazing — (IG) also known as double glazing are double or triple glass window panes separated by an air or other gas filled space to reduce heat transfer across a part of the building envelope. Glass in windows is used to provide light and allow a view… …
46Chemical vapor deposition — DC plasma (violet) enhances the growth of carbon nanotubes in this laboratory scale PECVD apparatus. Chemical vapor deposition (CVD) is a chemical process used to produce high purity, high performance solid materials. The process is often used in …
47Cryoprotectant — A cryoprotectant is a substance that is used to protect biological tissue from freezing damage (damage due to ice formation). Arctic and Antarctic insects, fish, amphibians and reptiles create cryoprotectants (antifreeze compounds and antifreeze… …
48Lead glass — Swarovski flacon. Lead glass is a variety of glass in which lead replaces the calcium content of a typical potash glass.[1] Lead glass contains typically 18–40 weight% lead(II) oxide (PbO), while modern lead …
49Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
50Fused quartz — A sphere manufactured by NASA out of fused quartz for use in a gyroscope in the Gravity Probe B experiment. It is one of the most accurate spheres ever created by humans, differing in shape from a perfect sphere by no more than 40 atoms of… …
