pure dislocation
21Latent image — A latent image on photographic film is an invisible image produced by the exposure of the film to light. When the film is developed, the area that was exposed darkens and forms a visible image. In the early days of photography, the nature of the… …
22Deformation mechanism — In structural geology, metallurgy and materials science, deformation mechanisms refer to the various mechanisms at the grain scale that are responsible for accommodating large plastic strains in rocks, metals and other materials. Contents 1… …
23Stranski-Krastanov growth — (SK growth, also Stransky Krastanov or Stranski Krastanow) is one of the three primary modes by which thin films grow epitaxially at a crystal surface or interface. Also known as layer plus island growth , the SK mode follows a two step process:… …
24Gregory Chatonsky — Grégory Chatonsky Grégory Chatonsky, né en 1971 à Paris, est un artiste français qui utilise les technologies et les flux numériques comme outil de production et lieu de diffusion de son travail. Il vit à Paris et Montréal.… …
25arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… …
26Anaxagoras and the atomists — C.C.W.Taylor ANAXAGORAS In the course of the fifth century BC the political and cultural pre eminence of Athens attracted to the city a considerable number of intellectuals of various kinds from all over the Greek world. This phenomenon, the so… …
27SCIENCES - Science et philosophie — La science et la philosophie furent longtemps inséparables. Dans l’Antiquité, la philosophie représentait la science suprême, celle «des premiers principes et des premières causes». Les autres sciences, et notamment la physique, recevaient d’elle …
28Animal testing — A white Wistar lab rat Description Around 50–100 million vertebrate animals are used in experiments annually. Subjects Animal testing, scien …
29CONCURRENCE — DIR « C’est seulement grâce au principe de la concurrence que l’économie politique a quelque prétention au caractère scientifique. »John Stuart Mill /DIR La concurrence économique est l’expression d’une force à l’œuvre dans toutes les sociétés,… …
30Superalloy — A superalloy, or high performance alloy, is an alloy that exhibits excellent mechanical strength and creep resistance at high temperatures, good surface stability, and corrosion and oxidation resistance. Superalloys typically have an austenitic… …
