- Film de surface
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● Film de surface nom donné par les biologistes à l'interface eau-air. (Divers insectes peuvent marcher sur ce film sans le rompre, grâce à leurs poils hydrofuges.)
Encyclopédie Universelle. 2012.
Film de surface
Regardez d'autres dictionnaires:
film — [ film ] n. m. • 1889; mot angl. « pellicule » 1 ♦ Pellicule photographique. Développer un film. Rouleau de film. ♢ (1896) Plus cour. Pellicule cinématographique; bande régulièrement perforée. Film de 35 mm (format professionnel). Films de format … Encyclopédie Universelle
Film radiographique — ● Film radiographique surface sensible permettant de recueillir l image obtenue par les radiations ionisantes … Encyclopédie Universelle
surface analysis — ▪ chemistry Introduction in analytical chemistry (chemistry), the study of that part of a solid that is in contact with a gas or a vacuum. When two phases of matter are in contact, they form an interface. The term surface is usually… … Universalium
Surface diffusion — [ adatom diffusing across a square surface lattice. Note the frequency of vibration of the adatom is greater than the jump rate to nearby sites. Also, the model displays examples of both nearest neighbor jumps (straight) and next nearest neighbor … Wikipedia
surface color — noun 1. a. : the color ascribed to an opaque substance or object b. : a color extending no farther than the surface 2. : color determined by selective reflection at the surface (as the yellow color of gold) 3. : a color localized in the surface… … Useful english dictionary
SURFACE (PHÉNOMÈNES DE) — La surface d’un solide ou d’un liquide est une région s’étendant sur quelques distances atomiques qui sépare l’intérieur du matériau du milieu extérieur: en général, le vide ou un gaz. Si le milieu extérieur est une autre phase dense, liquide ou… … Encyclopédie Universelle
Surface photovoltage — (SPV) measurements are a widely used method to determine the minority carrier diffusion length of semiconductors. Since the transport of minority carriers determines the behavior of the p n junctions that are ubiquitous in semiconductor devices,… … Wikipedia
Film speed — is the measure of a photographic film s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital… … Wikipedia
surface — [ syrfas ] n. f. • 1611; superface 1521; lat. superficies → superficie; de sur et face 1 ♦ Partie extérieure (d un corps), qui le limite en tous sens. ⇒ face. La surface de la Terre, la surface terrestre. À la surface du sol. « une surface pure… … Encyclopédie Universelle
Surface tension — Sur face ten sion (Physics) That property, due to molecular forces, which exists in the surface film of all liquids and tends to bring the contained volume into a form having the least superficial area. The thickness of this film, amounting to… … The Collaborative International Dictionary of English
