alum-sized

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• alum — alum1 /al euhm/, n. Chem. 1. Also called potash alum, potassium alum. a crystalline solid, aluminum potassium sulfate, K2SO4·Al2(SO4)3·24H2O, used in medicine as an astringent and styptic, in dyeing and tanning, and in many technical processes. 2 …   Universalium

• 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

• Sizing — or size is a substance that is applied to porous materials as a glaze or filler. It is used to change surface properties in papermaking, gilding, and the manufacture of textiles. Papermaking Sizing is used on fibers during paper manufacture in… …   Wikipedia

• Gum bichromate — is a 19th century photographic printing process based on the light sensitivity of dichromates. It is capable of rendering painterly images from photographic negatives. Gum printing is traditionally a multi layered printing process, but… …   Wikipedia

• Papermaking — [ thumb|230px|right|The Diamond Sutra of the Chinese Tang Dynasty, the oldest dated printed book in the world, found at Dunhuang, from 868 AD.] Papermaking is the process of making paper, a material which is used ubiquitously today for writing… …   Wikipedia

• Bronx High School of Science — Infobox Secondary school name = The Bronx High School of Science native name = motto = Every great advance in science has issued from a new audacity of imagination John Dewey established = 1938 founder = Morris Meister city = Bronx state = NY… …   Wikipedia

• Light rail in North America — The term light rail was coined in 1972 by the U.S. Urban Mass Transit Association (UMTA) to describe new streetcar transformations which were taking place in Europe and the United States. The Germans used the term stadtbahn to describe the… …   Wikipedia

• Milpitas, California — City of Milpitas   City   Milpitas City Hall …   Wikipedia

• Wood-pulp paper — is paper made from wood pulp, which is produced from trees by a variety of mechanical and chemical processes. Paper made from wood pulp ranges from toilet paper (obviously a single use product) to newsprint (meant to be used once then recycled),… …   Wikipedia

• aluminum processing — Introduction       preparation of the ore for use in various products.       Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …   Universalium

• Hacks at the Massachusetts Institute of Technology — A hack in progress in Lobby 7. Hacks at the Massachusetts Institute of Technology are practical jokes and pranks meant to prominently demonstrate technical aptitude and cleverness, or to commemorate popular culture and historical topics.[1] …   Wikipedia