reference surface centre
31Apollo Lunar Surface Experiments Package — ALSEP Station ALSEP de la mission Apollo 16. L Apollo Lunar Surface Experiments Package (ALSEP) est un ensemble d instruments scientifiques installé par les astronautes des 6 missions du programme Apollo à la surface de la Lune entre 1969 et …
32Rogers Centre — SkyDome redirects here. For other uses, see SkyDome (disambiguation). Not to be confused with Rogers Arena, an indoor sports arena in Vancouver, also named after Rogers Communications. Rogers Centre …
33Instant centre of rotation — The instant centre of rotation, also called instantaneous centre , for a plane figure moving in a two dimensional plane is a point in its plane around which all other points on the figure, for one instant, are rotating. This point itself is the… …
34Diffusion de surface — Figure 1. Modèle de diffusion d un adatome sur un réseau de surface carré. La fréquence de vibration de l adatome est plus grande que la fréquence des sauts aux sites voisins. Ainsi, le modèle montre deux types de sauts : les sauts aux sites …
35Photosynthetic reaction centre — A photosynthetic reaction center is a complex of three types of protein that is the site where molecular excitations originating from sunlight are transformed into a series of electron transfer reactions. The reaction center proteins bind… …
36Road surface — A road in the process of being resurfaced Road surface (British English) or pavement (American English) is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or walkway. In the past… …
37Center of a surface — Center Cen ter, n. [F. centre, fr. L. centrum, fr. round which a circle is described, fr. ? to prick, goad.] 1. A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the… …
38Averescu Residential Centre — Infobox Skyscraper building name =Averescu Residential Centre caption = year highest = year end = plural = location =Bucharest, Romania coordinates = status =Under construction groundbreaking =2007 constructed = est completion = opening =2009… …
39geoid — geoidal, adj. /jee oyd/, n. 1. an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. 2. the geometric figure formed by this surface, an ellipsoid flattened at the poles. [1880 85; < Gk… …
40GÉODÉSIE — La géodésie (du grec 塚兀, la terre ; 嗀見晴﨎晴益, diviser) s’est développée à partir des méthodes d’arpentage, nécessaires pour la délimitation précise des propriétés rurales, dès la plus haute antiquité. La compétence des opérateurs s’est… …
