relative biological effect

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• Relative biological effectiveness — (RBE) is a health physics concept introduced in the 1950s, after it was noted that different types of radiation might affect living organisms differently. A higher RBE equates with greater biological damage for equivalent radiation exposure.The… …   Wikipedia

• relative biological effectiveness — The ratio of the number of rads of gamma (or X) radiation of a certain energy that will produce a specified biological effect to the number of rads of another radiation required to produce the same effect measures the “relative biological… …   Military dictionary

• Biological value — (BV) is a measure of the proportion of absorbed protein from a food which becomes incorporated into the proteins of the organism s body. It summarises how readily the broken down protein can be used in protein synthesis in the cells of the… …   Wikipedia

• Biological interaction — Biological interactions are the effects organisms in a community have on one another. In the natural world no organism exists in absolute isolation, and thus every organism must interact with the environment and other organisms. An organism s… …   Wikipedia

• Biological psychiatry — Biological psychiatry, or biopsychiatry is an approach to psychiatry that aims to understand mental disorder in terms of the biological function of the nervous system. It is interdisciplinary in its approach and draws on sciences such as… …   Wikipedia

• Effect size — In statistics, an effect size is a measure of the strength of the relationship between two variables in a statistical population, or a sample based estimate of that quantity. An effect size calculated from data is a descriptive statistic that… …   Wikipedia

• biological development — Introduction       the progressive changes in size, shape, and function during the life of an organism by which its genetic potentials (genotype) are translated into functioning mature systems (phenotype). Most modern philosophical outlooks would …   Universalium

• Biological warfare — For the use of biological agents by terrorists, see bioterrorism. Weapons of mass destruction …   Wikipedia

• Biological psychology — In psychology, biological psychology, also known as biopsychology, psychobiology, or behavioral neuroscience [http://www.m w.com/cgi bin/dictionary?sourceid=Mozilla search va=psychobiology Merriam Webster s Online Dictionary » Psychobiology] >]… …   Wikipedia

• Biological issues in Jurassic Park — Jurassic Park , a book by Michael Crichton, with a film version directed by Steven Spielberg, revolves around the resurrection of dinosaurs via genetic engineering. Scientists and enthusiasts have brought up a number of issues with facts and… …   Wikipedia

• Cinderella effect — This article is about parenting. For the effect with the same name in semiconductors, see floating body effect. The Cinderella effect is a term used by psychologists to describe the high incidence of stepchildren being physically abused,… …   Wikipedia