papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper. paʹper·mak er n. * * * Introduction formation of a matted or felted sheet, usually of cellulose fibres,… … Universalium
Diatomaceous earth — A sample of diatomaceous earth Diatomaceous earth ( / … Wikipedia
Diaper — Nappy redirects here. For other uses, see Nappy (disambiguation) and Diaper (disambiguation). For the geological term, see diapir. Disposable baby diaper with resealable tapes and elasticated leg cuffs … Wikipedia
PHOTOGRAPHIE — La perception de l’apparence du monde matériel par notre organe visuel a comme support la lumière visible ou les autres radiations électromagnétiques, rendues visibles par l’intermédiaire de phénomènes auxiliaires. L’emploi direct de l’ensemble… … Encyclopédie Universelle
Nanocellulose — or microfibrillated cellulose (MFC), is a material composed of nanosized cellulose fibrils with a high aspect ratio (length to width ratio). Typical dimensions are 5–20 nanometers width and length up to 2000 nanometers. It is pseudo plastic.… … Wikipedia
chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… … Universalium
F-22 Raptor — Infobox Aircraft name= F 22 Raptor type= Stealth Air superiority fighter national origin = United States manufacturers=Lockheed Martin Aeronautics Boeing Integrated Defense Systems caption= Two F 22 Raptors in column flight formation designer=… … Wikipedia
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
JUPITER — Jupiter, la plus grosse et la plus massive des planètes, constitue le centre d’un vaste système de satellites et d’anneaux étudié de près par plusieurs sondes spatiales: Pioneer 10 en décembre 1973, Pioneer 11 en décembre 1974, Voyager 1 en mars… … Encyclopédie Universelle
Atmosphère de Mars — Pour les articles homonymes, voir Atmosphère. Atmosphère de Mars Atmosphère de Mars visible à l horizon … Wikipédia en Français
system — 1. [TA] A consistent and complex whole made up of correlated and semiindependent parts. A complex of functionally related anatomic structures. 2. The entire organism seen as a complex organization of parts. 3. Any complex of structures… … Medical dictionary