In+a+vacuum
21Vacuum 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 …
22Vacuum 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… …
23Vacuum 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… …
24Vacuum 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… …
25Vacuum 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 …
26Vacuum 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… …
27vacuum — ► NOUN (pl. vacuums or vacua) 1) a space entirely devoid of matter. 2) a space from which the air has been completely or partly removed. 3) a gap left by the loss or departure of someone or something important. 4) (pl. vacuums) informal a vacuum… …
28vacuum 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 …
29vacuum 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) …
30vacuum 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 …
