autoclave process

  • 11Hydrothermal synthesis — includes the various techniques of crystallizing substances from high temperature aqueous solutions at high vapor pressures; also termed hydrothermal method . The term hydrothermal is of geologic origin. Geochemists and mineralogists have studied …

    Wikipedia

  • 12Investment casting — For investment casting in art, see lost wax casting. Investment casting, also called lost wax casting, is one of the oldest known metal forming techniques. From 5,000 years ago, when beeswax formed the pattern, to today’s high technology waxes,… …

    Wikipedia

  • 13Composite material — A cloth of woven carbon fiber filaments, a common element in composite materials Composite materials, often shortened to composites or called composition materials, are engineered or naturally occurring materials made from two or more constituent …

    Wikipedia

  • 14Cobalt extraction techniques — Cobalt ore Several methods exist for the separation of cobalt from copper and nickel. They depend on the concentration of cobalt and the exact composition of the used ore. Contents …

    Wikipedia

  • 15metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …

    Universalium

  • 16Wood preservation — All measures that are taken to ensure a long life of wood fall under the definition wood preservation (timber treatment). Apart from structural wood preservation measures, there are a number of different (chemical) preservatives and processes… …

    Wikipedia

  • 17Dealkalization — 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… …

    Wikipedia

  • 18Piping and instrumentation diagram — A piping and instrumentation diagram/drawing (P ID) is a diagram in the process industry which shows the piping of the process flow together with the installed equipment and instrumentation. Contents 1 Contents and Function 2 List of P ID items 3 …

    Wikipedia

  • 19M117 bomb — M117 Type free fall general purpose bomb Place of origin United States …

    Wikipedia

  • 20Histoire du procédé Haber-Bosch — L un des appareils de laboratoire qu utilisa Fritz Haber pour synthétiser de l ammoniac sous haute pression. L histoire du procédé Haber Bosch débute avec l invention du procédé de chimie homonyme à l aube du XXe siècle. Le procédé Haber… …

    Wikipédia en Français