packing sheet
51Vacuum distillation — At atmospheric pressure, dimethyl sulfoxide boils at 189°C. Under a vacuum, it distills off into the connected receiver at only 70°C. Vacuum distillation is a method of distillation whereby the pressure above the liquid mixture to be distilled is …
52harbours and sea works — Introduction harbour also spelled harbor any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …
53John O'Leary (Gaelic footballer) — Infobox GAA player | name =John O Leary irish = placeofbirth=Dublin countryofbirth=Ireland dob= dod= nickname= occupation= Politician height= height|ft=6|in=1 sport=Gaelic football code=Football county=Dublin province=Leinster clposition= club=O… …
54Pack — (p[a^]k), v. t. [imp. & p. p. {Packed} (p[a^]kt); p. pr. & vb. n. {Packing}.] [Akin to D. pakken, G. packen, Dan. pakke, Sw. packa, Icel. pakka. See {Pack}, n.] 1. To make a pack of; to arrange closely and securely in a pack; hence, to place and… …
55Packed — Pack Pack (p[a^]k), v. t. [imp. & p. p. {Packed} (p[a^]kt); p. pr. & vb. n. {Packing}.] [Akin to D. pakken, G. packen, Dan. pakke, Sw. packa, Icel. pakka. See {Pack}, n.] 1. To make a pack of; to arrange closely and securely in a pack; hence, to… …
56Alpha helix — A common motif in the secondary structure of proteins, the alpha helix (α helix) is a right handed coiled conformation, resembling a spring, in which every backbone N H group donates a hydrogen bond to the backbone C=O group of the amino acid… …
57Dozen — Doz redirects here. For the Afro Asiatic language, see DOZ. Dozens redirects here. For other uses, see Dozens (disambiguation). Group of twelve redirects here. For other uses, see Group of Twelve (disambiguation). A dozen (common abbreviated doz… …
58Suppressor — Several firearms with detachable suppressors, from top to bottom: An Uzi, An AR 15 variant, A Heckler Koch USP Tactical, A Beretta 92FS, and a SIG Mosquito …
59Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …
60Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
