collector efficiency
51Solar panel — Photovoltaic module redirects here. For the heat collectors, see Solar thermal collector. An installation of solar panels in rural Mongolia …
52France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …
53Taprogge — GmbH is a medium sized company based in Wetter, Germany. The company is named after founding brothers Ludwig and Josef Taprogge. Founded in 1953, the company is known for its tube cleaning systems for steam turbine condensers, heat exchangers and …
54Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
55Drainage system (agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production. Contents 1 Classification 1.1 Surface drainage systems 1.2 Subsurface drainage systems …
56Heterojunction bipolar transistor — The heterojunction bipolar transistor (HBT) is a type of bipolar junction transistor (BJT) which uses differing semiconductor materials for the emitter and base regions, creating a heterojunction. The HBT improves on the BJT in that it that can… …
57Drainage system (Agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production.=Classification=Figure 1 classifies the various types of drainage systems. It shows the field (or… …
58Garbage collection (computer science) — This article is about garbage collection in memory management. For garbage collection in an SSD, see garbage collection (SSD). For other uses, see garbage collection. In computer science, garbage collection (GC) is a form of automatic memory… …
59Solar cell — A solar cell made from a monocrystalline silicon wafer …
60American Motors — Infobox Defunct Company company name = American Motors Corporation company fate = Acquired by Chrysler (March 2 1987) successor = Jeep Eagle division of Chrysler foundation = January 14 1954 location = Southfield, Michigan, United States industry …
