fracture energy
51Fracturation hydraulique — La « fracturation hydraulique » est la dislocation ciblée de formations géologiques peu perméables[1]’[2] par le moyen de l injection sous très haute pression d un fluide destiné à fissurer et micro fissurer la roche. Cette fracturation …
52rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …
53Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …
54Mecánica de la fractura — Dentro de las ramas de la mecánica, la mecánica de la fractura está teniendo un enorme auge en la actualidad al estudiar los procesos catastróficos de rotura en estructuras: aviones, puentes... Mecánica de fractura ó Mecánica de la fractura es… …
55Adhesive — Glue redirects here. For other uses, see Glue (disambiguation). For the band, see Adhesive (band). Nitrocellulose adhesive outside a tube An adhesive, or glue, is a mixture in a liquid or semi liquid state that adheres or bonds items together.… …
56Work hardening — Work hardening, also known as strain hardening or cold working, is the strengthening of a metal by plastic deformation. This strengthening occurs because of dislocation movements within the crystal structure of the material.[1] Any material with… …
57hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
58Diamond enhancement — Diamond enhancements are specific treatments, performed on natural diamonds (usually those already cut and polished into gems), which are designed to improve the gemological characteristics and therefore the value of the stone in one or more ways …
59Informatique durable — L informatique a été pendant longtemps considérée comme une industrie « propre », s étant retranchée avec les technologies de l information et de la communication (TIC) derrière des slogans tels que « produits immatériels,… …
60Ceramic engineering — Simulation of the outside of the Space Shuttle as it heats up to over 1,500 °C (2,730 °F) during re entry into the Earth s atmosphere Ceramic engineering is the science and technology of creating objects from inorganic, non metallic… …
