Vacuum
61Vacuum assisted closure wound therapy — Vacuum assisted closure (VAC) is a technique of wound closure used to promote healing in large or chronic wounds, fight infection and enhance healing of burns. VAC seals the wound with a foam dressing and applies negative pressure to the wound… …
62Vacuum casting — is a means of casting small metal parts or jewelry that have fine detail or for casting various plastic materials. A porous or vented mold is used and is placed on a table or container where vacuum is applied. The liquid to be cast will be driven …
63Vacuum plasmaspraying — (VPS) is a technology for etching and surface modification to create porous layers with high reproductibility and for cleaning and surface engineering of plastics, rubbers and natural fibres as well as for replacing CFCs for cleaning metal… …
64Vacuum Arc Remelting — (VAR) is a secondary melting process for production of metal ingots with elevated chemical and mechanical homogeneity for highly demanding applications. [ Modeling for Casting Solidification Processing , by Kuang Oscar Yu,CRC; 1st edition… …
65Vacuum evaporation — is the process of causing the pressure in a container to fall until water s boiling point has been lowered to room temperature. When the process is applied to food and the water is evaporated and removed, the food can be stored for long periods… …
66Vacuum metalising — is a process whereby a thin coating of metal can be applied to another material, textile / non wovens / foil / paper, to achieve a high standard of finish at a low cost (compared to using solid metal or electroplating). This makes is particularly …
67Vacuum cementing — or vacuum welding is the natural process of solidifying small objects in a hard vacuum. The most notable example is dust on the surface of the moon.This effect was reported to be a problem with the first American and Soviet satellites, as small… …
68vacuum cleaner — vacuum cleaners also vacuum cleaner N COUNT A vacuum cleaner or a vacuum is an electric machine which sucks up dust and dirt from carpets …
69vacuum flask — vacuum flasks N COUNT A vacuum flask is a container which is used to keep hot drinks hot or cold drinks cold. It has two thin silvery glass walls with a vacuum between them. [BRIT] (in AM, usually use , vacuum bottle) …
70vacuum bottle — or vacuum flask or vacuum jug n. a vessel with double walls that enclose an insulating vacuum, used for maintaining the temperature of its contents, often a beverage or other hot or cold liquid …
