crystallization centre
81technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
82Cornubian batholith — Map showing the main granite outcrops of the Cornubian batholith in southwest England and the location of Haig Fras the 20 mGal Bouguer anomaly is also shown as this indicates the location of the negative anomalies associated with these… …
83Complex (chemistry) — The term complex in chemistry is usually used to describe molecules or ensembles formed by the combination of ligands and metal ions. Originally, a complex implied a reversible association of molecules, atoms, or ions through weak chemical bonds …
84Gyula Andrássy — For the article on Gyula Andrássy son, see Gyula Andrássy the Younger. The native form of this personal name is csíkszentkirályi és krasznahorkai gróf Andrássy Gyula. This article uses the Western name order. Gyula Andrássy …
85Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …
86Peking Duck — For the breed of duck, see Pekin duck. Peking Duck Peking Duck sliced and prepared Traditional Chinese 北京烤鴨 …
87Robert Thirsk — Bob Thirsk NRC/CSA Astronaut Nationality Canadian Status Retired …
88Melamine — This article is about the chemical compound. For the plastic also called melamine , see melamine resin. Melamine …
89Dashavatara — Dashavatar redirects here. For other uses, see Dashavatar (disambiguation). The ten avatars of Vishnu, (Clockwise, from top left) Matsya, Kurma, Varaha, Vamana, Krishna, Kalki, Buddha, Parshurama, Rama and Narasimha, (in centre) Krishna… …
90elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …
