polyvinyl alcohol
81Vinalon — is a synthetic fibre, produced from polyvinyl alcohol using anthracite and limestone as raw materials. Vinalon was first developed by the Korean scientist Ri Sung Gi at the Takatsuki chemical research institute in 1939. The fibre was largely… …
82Iodometry — is a method of volumetric chemical analysis, a titration where the appearance or disappearance of elementary iodine indicates the end point.Usual reagents are sodium thiosulfate as titrant, starch as an indicator (it forms blue complex with… …
83Polarizer — For the photographic filter, see Polarizing filter (Photography). A polarizing filter cuts down the reflections (top) and made it possible to see the photographer through the glass at roughly Brewster s angle although reflections off the back… …
84Frozen section procedure — The frozen section procedure is a pathological laboratory procedure to perform rapid microscopic analysis of a specimen. It is used most often in oncological surgery. The technical name for this procedure is cryosection. The quality of the slides …
85Ceramic 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… …
86Breast implant — A breast implant is a prosthesis used to enlarge the size of a woman s breasts (known as breast augmentation, breast enlargement, mammoplasty enlargement, augmentation mammoplasty or the common slang term boob job) for cosmetic reasons; to… …
87Dientamoebiasis — Classification and external resources ICD 9 007 DiseasesDB 32407 …
88Biodegradable polythene film — Polyethylene or polythene film is usually stable and resistant to degradation. Methods are available to make it more degradable under certain conditions of sunlight, moisture, oxygen, and composting.If traditional polyethylene film is littered it …
89Biodegradable plastic — For information on plastics derived from renewable raw resources (biomass), see Bioplastic. For information on plastics designed to biodegrade in human bodies, see Biodegradable polymer. Utensils made from biodegradable plastic. Biodegradable… …
90Armenicum — is a drug invented in Armenia that its developers claim is an effective treatment for HIV infection and a number of associated diseases. No rigorously monitored clinical trials of Armenicum have been published, and most HIV experts outside of… …
