GRADIENTS

Look at other dictionaries:

• gradients — gra·di·ent || greɪdɪənt n. slope, incline; rate of ascent or descent adj. sloping, rising or descending gradually …   English contemporary dictionary

• Latitudinal gradients in species diversity — The pattern= The increase in species richness or biodiversity that occurs from the poles to the tropics, often referred to as the latitudinal gradient in species diversity, is one of the most widely recognized patterns in ecology. Put another way …   Wikipedia

• Histogram of oriented gradients — Histogram of Oriented Gradient descriptors, or HOG descriptors, are feature descriptors used in computer vision and image processing for the purpose of object detection. The technique counts occurrences of gradient orientation in localized… …   Wikipedia

• chromosome gradients — chromosome gradients. См. хромосомные градиенты. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

• MORPHOGENÈSE ANIMALE — Le progrès des connaissances est largement tributaire des concepts ainsi que des techniques en usage à une époque donnée. L’embryologie, malgré quelques précurseurs solitaires, est restée longtemps soumise à une vision animiste et finaliste de la …   Encyclopédie Universelle

• Effective evolutionary time — The hypothesis of effective evolutionary timeK. Rohde: Latitudinal gradients in species diversity: the search for the primary cause, Oikos, 65, 514 527,1992.] attempts to explain gradients, in particular latitudinal gradients, in species… …   Wikipedia

• Magnetic resonance imaging — MRI redirects here. For other meanings of MRI or Mri, see MRI (disambiguation). Magnetic resonance imaging Intervention Sagittal MR image of the knee ICD 10 PCS B?3?ZZZ …   Wikipedia

• Rapoport's rule — Rapoport’s rule is an ecological hypothesis that states that latitudinal ranges of plants and animals are generally smaller at low than at high latitudes. BackgroundStevens (1989) [Stevens, G. C. (1989). The latitudinal gradients in geographical… …   Wikipedia

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

• Scale-invariant feature transform — Exemple de résultat de la comparaison de deux images par la méthode SIFT (Fantasia ou Jeu de la poudre, devant la porte d’entrée de la ville de Méquinez, par Eug …   Wikipédia en Français