preliminary combustion
21ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …
22Earth 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… …
23petroleum production — Introduction recovery of crude oil and, often, associated natural gas from the Earth. petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and …
24SNECMA Atar — The SNECMA Atar is a French axial flow turbojet engine built by Snecma. It was derived from the German World War II BMW 003 design, but extensively developed though a progression of more powerful models. The Atar powered many of the French post… …
25Thermal desorption — is an environmental remediation technology that utilizes heat to increase the volatility of contaminants such that they can be removed (separated) from the solid matrix (typically soil, sludge or filter cake). ExplanationThermal desorption is not …
26GT 101 — The German Army s development division, the Heereswaffenamt (Army Ordnance Board), studied a number of gas turbine engines for use in tanks starting in mid 1944. Although none of these were fitted operationally, the GT 101 (GT for Gas Turbine )… …
27History of plug-in hybrids — The history of plug in hybrid electric vehicles (PHEVs) spans a little more than a century. Most of the significant commercial developments have taken place after 2002.1899 1999Hybrid vehicles were produced beginning as early as 1899 by Lohner… …
28Biochar — Le mot Biochar est un néologisme composé du préfixe bio et du mot anglais charcoal, qui signifie charbon de bois. Le mot anglais Biochar est parfois traduit par le mot Biocharbon par les francophones (bien qu en réalité tous les charbons, y… …
29Polychlorobiphényle — Pour les articles homonymes, voir PCB et BPC. Polychlorobiphényle …
30agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
