heat-insulation ceramics
21Ceramic chemistry — is a branch of inorganic chemistry that studies the relationship between the physical properties of fired ceramic glazes and their chemistry. Although ceramic technicians have long understood many of these relationships, the advent of computer… …
22radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
23Tiwanaku — Tiwanaku: Spiritual and Political Centre of the Tiwanaku Culture * UNESCO World Heritage Site …
24plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …
25Brick — For other uses, see Brick (disambiguation). An old brick wall in English bond laid with alternating courses of headers and stretchers …
26Aluminium oxide — Alumina redirects here. For the company, see Alumina Limited. This article is about aluminium(III) oxide Al2O3. For other uses, see Aluminium oxide (disambiguation). Aluminium oxide …
27diatomaceous earth — a fine siliceous earth composed chiefly of the cell walls of diatoms: used in filtration, as an abrasive, etc. Also called diatomite /duy at euh muyt /, kieselguhr. [1880 85] * * * or kieselguhr Light coloured, porous, and friable sedimentary… …
28Silicone — Not to be confused with the metalloid chemical element Silicon. Silicone caulk can be used as a basic sealant against water and air penetration. Silicones are inert, synthetic compounds with a variety of forms and uses. Typically heat resistant… …
29Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …
30Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
