growth additives
31Murashige and Skoog medium — or (MSO or MS0 (MS zero)) is a plant growth medium used in the laboratories for cultivation of plant cell culture. MSO was invented by plant scientists Toshio Murashige and Folke K. Skoog in 1962 during Murashige s search for a new plant growth… …
32Antiknock agent — An antiknock agent is a gasoline additive used to reduce engine knocking and increase the fuel s octane rating. The mixture known as gasoline, when used in high compression internal combustion engines, has a tendency to ignite early (pre ignition …
33petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
34nutrition, human — Introduction process by which substances in food are transformed into body tissues and provide energy for the full range of physical and mental activities that make up human life. The study of human nutrition is interdisciplinary in… …
35Paint — For other uses, see Paint (disambiguation). Paints redirects here. For the baseball team, see Chillicothe Paints. Dried green paint Paint is any liquid, liquefiable, or mastic composition which after application to a substrate in a thin layer is… …
36Salt — This article is about common table salt. For other uses, see Salt (disambiguation). Table salt (NaCl) crystal …
372001 anthrax attacks — A letter sent to Senate Majority Leader Tom Daschle containing anthrax powder killed two postal workers Location New York …
38Nanowire — Part of a series of articles on Nanoelectronics Single molecule electronics …
39Organic food — Organic vegetables at a farmers market in Argentina Organic foods are foods that are produced using methods that do not involve modern synthetic inputs such as synthetic pesticides and chemical fertilizers, do not contain genetically modified… …
40digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …
