arc metric
121History of the petroleum industry in Canada (frontier exploration and development) — discoveries took place near population centres or along lines of penetration into the frontier. The first oil play, for example, was in southern Ontario. The first western natural gas discovery occurred on a Canadian Pacific Railway right of way …
122spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
123Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
124List of Berserk characters — The Berserk manga and anime series features a cast of characters designed by Kentaro Miura. The series takes place in a fictional version of medieval Europe. It centers around the life of Guts, an orphaned mercenary warrior, and Griffith, the… …
125Derfflinger-class battlecruiser — SMS Derfflinger Class overview Name: Derfflinger Operators …
126Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo …
127History of France — The History of France has been divided into a series of separate historical articles navigable through the list to the right. The chronological era articles (highlighted in blue) address broad French historical, cultural and sociological… …
128Ball bearing — For individual balls that are sometimes called ball bearings , see Ball (bearing). Working principle for a ball bearing …
