منابع مشابه
Ernest John Christopher Polge (1926-2006)
Twentieth-century researcher Ernest John Christopher Polge studied the reproductive processes of livestock and determined a method to successfully freeze, thaw, and utilize viable [4] sperm [5] cells to produce offspring in animals. In 1949, Polge identified glycerol as a cryoprotectant, or a medium that enables cells to freeze without damaging their cellular components or functions. Several ye...
متن کاملErnest Michael and Theory of Selections 3 24
For a large number of those working in topology, functional analysis, multivalued analysis, approximation theory, convex geometry, mathematical economics, control theory, and several other areas, the year 1956 has always been strongly connected with the publication by Ernest Michael of two fundamental papers on continuous selections which appeared in the Annals of Mathematics [4] [5]. With suff...
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Mike came from a farming background in the north of England and spent much of his childhood on the family farm during World War II (1939– 1945). This was before the days of full mechanisations and he can claim to have ploughed with horses and harvested cereals for threshing by steam power. His mother harboured ideas of having a "blood and guts" veterinarian in the family but a career in agricul...
متن کاملMichael Laver and Ernest Sergenti : Party Competition . An Agent - Based Model
by Johannes Zschache " [D]ynamic models of multiparty competition, especially when voters care about a diverse set of issues, are analytically intractable. " (Laver and Sergenti 2012, 5) With different points of reference, 'analytical intractability' is a very common argument for the usage of computer simulations in the social sciences. But in contrast to many authors, the elaborations by Micha...
متن کاملErnest Blacker
The uniqueness of individuals is a striking scientific fact, but it is just one of those facts that can hardly be done justiceto in an obituary notice. In writing this brief memoir of my departed friend, Ernest Blacker, I am regretfully conscious of this shortcoming. It may, however, be stated that his was a cheery, neat, alert and debonair personality, rich in human sympathies and sociabilitie...
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ژورنال
عنوان ژورنال: BMJ
سال: 2007
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.39357.670023.be