filament orientation
61DIAGRAPHIES (géophysique) — On désigne par diagraphie (du grec dia , «à travers», et graphein , «dessiner») ou, plus couramment, par le terme américain log (qui signifie bûche, rouleau...) tout enregistrement continu des variations, en fonction de la profondeur, d’une… …
62ÉLECTROPHYSIOLOGIE — Les êtres vivants, végétaux et animaux, sont communément le siège de phénomènes électriques intimement liés aux activités vitales, dont ils sont un des aspects les plus révélateurs. On met ces phénomènes en évidence à l’aide d’électrodes… …
63Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
64animal behaviour — Introduction any activity of an intact organism. A living animal behaves constantly in order to survive, and all animals must solve the same basic problems. They must, for instance, periodically replace their energy source (consume… …
65Chemotaxis — is the phenomenon in which somatic cells, bacteria, and other single cell or multicellular organisms direct their movements according to certain chemicals in their environment. This is important for bacteria to find food (for example, glucose) by …
66Supercluster — NOTOC right|249px|thumb|A map of the nearest (to Virgo) SuperclustersSuperclusters are large groupings of smaller galaxy groups and clusters, and are among the largest structures of the cosmos. uperclustersThe existence of superclusters indicates …
67Fiberglass — This article is about the plastic composite. For insulation material, see glass wool. For the fiber itself, see glass fiber. Fiberglass (also called glass reinforced plastic, GRP[1], glass fiber reinforced plastic, or GFRP[2]), is a fiber… …
68Aggregate (composite) — Aggregate is the component of a composite material used to resist compressive stress. For efficient filling, aggregate should be much smaller than the finished item, but have a wide variety of sizes. For example, the particles of stone used to… …
69Source Four — The ETC (Electronic Theatre Controls) Source Four (also known unofficially as Source 4 or S4 ) is an ellipsoidal reflector spotlight, a type of spotlight used in stage lighting. The ETC Source Four revolutionized stage lighting in 1992 cite news… …
70Textile manufacturing terminology — The manufacture of textiles is one of the oldest of human technologies. In order to make textiles, the first requirement is a source of fibre from which a yarn can be made, primarily by spinning. (Both fibre and fiber are used in this article.)… …
