gas-discharge indicator
21Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
22environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
23Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
24lamp — lampless, adj. /lamp/, n. 1. any of various devices furnishing artificial light, as by electricity or gas. Cf. fluorescent lamp, incandescent lamp. 2. a container for an inflammable liquid, as oil, which is burned at a wick as a means of… …
25Earth 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… …
26Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
27Lead-acid battery — Batteries caption=A valve regulated lead acid battery EtoW=30 40 Wh/kg EtoS=60 75 Wh/L PtoW=180 W/kg|CtoDE=70% 92% EtoCP=7(sld ) 18(fld ) Wh/US$ [http://www.geocities.com/CapeCanaveral/Lab/8679/battery.html] SDR=3% 20%/month… …
28Beretta 92G-SD/96G-SD — Infobox Weapon name= Beretta 92G SD/96G SD caption= origin=flagcountry|Italy type= Semi automatic pistol is ranged=yes service= used by= wars= designer= design date= manufacturer= Beretta unit cost= production date= 2002 2005 number= variants=… …
29environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
30radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… …
