absence of variation
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VARIATION (biologie) — Il n’est pas dans le monde vivant deux individus qui, pour peu qu’on les observe avec une attention suffisante, soient rigoureusement identiques. Le monde vivant est donc remarquable par la variabilité des êtres qui le composent. C’est la… … Encyclopédie Universelle
Variation de la pression atmosphérique avec l'altitude — Formule du nivellement barométrique La formule du nivellement barométrique décrit la répartition verticale des molécules de gaz dans l atmosphère de la Terre, et donc la variation de la pression en fonction de l altitude. On parle ainsi d un… … Wikipédia en Français
Human genetic variation — is the natural variation in gene frequencies observed between the genomes of individuals or groups of humans. Variation can be measured at both the individual level (differences between individual people) and at the population level, i.e.… … Wikipedia
Childhood absence epilepsy — (CAE), also known as pyknolepsy, is an idiopathic generalized epilepsy which occurs in otherwise normal children. The age of onset is between 4–10 years with peak age between 5–7 years. Children have absence seizures which although brief ( 4–20… … Wikipedia
Unwarranted variation — Unwarranted Variation, first termed by Dr. John Wennberg in his decades of research [ [http://www.businessweek.com/magazine/content/06 22/b3986001.htm Medical Guesswork ] ] , can be defined as differences in healthcare service delivery that… … Wikipedia
Sicilian Defence, Dragon Variation — a b c d e … Wikipedia
Darwin from Orchids to Variation — The life and work of Charles Darwin from the publication of Orchids to the publication of Variation during the years between 1860 and 1868 continued with Darwin carrying out his research and experimentation on evolution as he worked sporadically… … Wikipedia
Solar variation — Solar variations are changes in the amount of solar radiation emitted by the Sun. There are periodic components to these variations, the principal one being the 11 year solar cycle (or sunspot cycle), as well as aperiodic fluctuations. Solar… … Wikipedia
Contingent negative variation — The contingent negative variation (CNV) was one of the first event related potential (ERP) components to be described. The CNV component was first described by Dr. W. Grey Walter and colleagues in an article published in Nature in 1964.[1] The… … Wikipedia
Regional handwriting variation — Although people in many parts of the world share common alphabets and numeral systems (variations on the Latin writing System are used throughout Europe, the Americas, Australia, and much of Africa; the Hindu Arabic numerals are nearly universal) … Wikipedia
