phase plate — noun : a transparent plate of doubly refracting material that changes the relative phase of the components of polarized light … Useful english dictionary
Phase contrast microscopy — Phase contrast image of a cheek epithelial cell Phase contrast microscopy is an optical microscopy illumination technique of great importance to biologists in which small (invisible to the human eye) phase shifts in the light passing through a… … Wikipedia
Plate-forme petroliere — Plate forme pétrolière Une plate forme pétrolière est une construction marine fixe ou flottante qui sert à l exploitation d un gisement pétrolier. Elle supporte principalement les dispositifs nécessaires pour la phase de forage d extraction du… … Wikipédia en Français
plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… … Universalium
Phase-shift mask — Phase shift masks are photomasks that take advantage of the interference generated by phase differences to improve image resolution in photolithography. There exist alternating [cite web|url = http://www.freepatentsonline.com/6977127.html | title … Wikipedia
Plate-forme pétrolière — Pour les articles homonymes, voir Plateforme. Une plate forme pétrolière est une construction marine fixe ou flottante qui sert à l exploitation d un gisement pétrolier. Elle supporte principalement les dispositifs nécessaires pour la phase de… … Wikipédia en Français
Plate fin heat exchanger — A plate fin heat exchanger is a type of heat exchanger design that uses plates and finned chambers to transfer heat between fluids. It is often categorized as a compact heat exchanger to emphasise its relatively high heat transfer surface area to … Wikipedia
Phase (jeu vidéo) — Pour les articles homonymes, voir Phase. Phase Développeur Harmonix Music Systems Concepteur Kasson Crooker Chris Foster Date de sortie 6 nove … Wikipédia en Français
Plate glass university — The term plate glass university (or plateglass university) has come into use by some to refer to one of the several universities founded in the United Kingdom in the 1960s in the era of the Robbins Report on higher education. Contrary to popular… … Wikipedia
Phase lag (rotorcraft) — In order for a helicopter to roll left (see flight dynamics) intuition would tell us that we require maximum lift on the right and minimum lift on the left. That is, after all how an airplane rolls left: ailerons on the trailing edge of the wings … Wikipedia