individual packing
71Column chromatography — A chemist in the 1950s using column chromatography. The Erlenmeyer receptacles are on the floor. Column chromatography in chemistry is a method used to purify individual chemical compounds from mixtures of compounds. It is often used for… …
72History of molecular biology — The history of molecular biology begins in the 1930s with the convergence of various, previously distinct biological disciplines: biochemistry, genetics, microbiology, and virology. With the hope of understanding life at its most fundamental… …
73Parachuting — Parachuting, also known as skydiving, is where a person jumps from enough height so that he can deploy a fabric parachute and land safely.The history of parachuting appears to start with Andre Jacques Garnerin who made successful parachute jumps… …
74industrial polymers, chemistry of — Introduction structure and composition of chemical compounds made up of long, chainlike molecules (molecule). What distinguishes polymers from other types of compounds is the extremely large size of the molecules. The size of a… …
75meat processing — Introduction preparation of meat for human consumption. Meat is the common term used to describe the edible portion of animal tissues and any processed or manufactured products prepared from these tissues. Meats are often classified… …
76plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …
77Gaussian network model — The Gaussian network model (GNM), one of many things named after Carl Gauss, is a representation of a biological macromolecule as an elastic mass and spring network to study, understand, and characterize mechanical aspects of its long scale… …
78industrial relations — 1. the dealings or relations of an industrial concern with its employees, with labor in general, with the public, etc. 2. the administration of such relations, esp. to maintain goodwill for an industrial concern. [1900 05] * * * Introduction also …
79KIBBUTZ MOVEMENT — The kibbutz, or kevuẓah (plural: kibbutzim, kevuẓot) is a voluntary collective community, mainly agricultural, in which there is no private wealth and which is responsible for all the needs of the members and their families. The kibbutz movement… …
80railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
