autoclave treatment
31Madagascar — For other uses, see Madagascar (disambiguation) and Malagasy (disambiguation). Republic of Madagascar Repoblikan i Madagasikara République de Madagascar …
32Gold extraction — or recovery from its ores may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. [cite web url=http://geology.com/publications/getting gold/gold… …
33USS Colleton (APB-36) — The USS Colleton (APB 36), was a sclass|Benewah|barracks ship. Colleton ’s keel was laid on 9 June 1945, launched on 30 July 1945 and delivered on 27 September 1946. She was berthed at Boston, Massachusetts in the custody of the United States… …
34Hepatitis B — Micrografía electrónica de un virus de la hepatitis B Clasificación y recursos externos CIE 10 …
35Materials science — 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 Materials science is an interdisciplinary field applying the properties of matter to various areas of… …
36Transmissible spongiform encephalopathy — Transmissible spongiform encephalopathies (TSEs, also known as prion diseases) are a group of progressive conditions that affect the brain and nervous system of animals. According to the most widespread hypothesis they are transmitted by prions,… …
37John Tyndall — Infobox Scientist name = John Tyndall caption = John Tyndall. birth date = August 2, 1820 birth place = Leighlinbridge, County Carlow, Ireland death date = December 4, 1893 (aged 73) death place = Surrey, England residence = nationality = British …
38sodium — /soh dee euhm/, n. 1. Chem. a soft, silver white, metallic element that oxidizes rapidly in moist air, occurring in nature only in the combined state, and used in the synthesis of sodium peroxide, sodium cyanide, and tetraethyllead: a necessary… …
39Quartz — This article is about the mineral. For other uses, see Quartz (disambiguation). Quartz Quartz crystal cluster from Tibet General Category …
40Biological hazard — Biohazard Infection Classification and external resources Biohazard symbol Biohazard redirects here. For other uses, see Biohazard (disambiguation). Biological hazards, refer to biological substances that pose a threat …
