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Marsh test
(Encyclopedia)Marsh test, method for the detection of arsenic, so sensitive that it can be used to detect minute amounts of arsenic in foods (the residue of fruit spray) or in stomach contents. The sample is placed...Xiang
(Encyclopedia)Xiang shyäng, syäng [key], river, 715 mi (1,151 km) long, rising in NE Guangxi prov. and flowing N through Hunan prov. to Dongting Lake, SE China. The river is navigable to large vessels for most of...germanium
(Encyclopedia)germanium jərmāˈnēəm [key] [from Germany], semimetallic chemical element; symbol Ge; at. no. 32; at. wt. 72.63; m.p. 937.4℃; b.p. 2,830℃; sp. gr. 5.323 at 25℃; valence +2 or +4. Pure german...Coeur d'Alene, city, United States
(Encyclopedia)Coeur d'Alene kûrdəlānˈ [key], city (2020 pop. 54,628), seat of Kootenai co., N Idaho, near the ...Freiberg
(Encyclopedia)Freiberg frīˈbĕrkh [key], city, Saxony, E Germany. It is an industrial center and a rail j...Gifu
(Encyclopedia)Gifu gēˈfo͞o [key], city, capital of Gifu prefecture, central Honshu, Japan. A manufacturi...synthetic elements
(Encyclopedia)synthetic elements, in chemistry, radioactive elements that were not discovered occurring in nature but as artificially produced isotopes. They are technetium (at. no. 43), which was the first element...Nakhchivan Autonomous Republic
(Encyclopedia)Nakhchivan Autonomous Republic or Naxçivan Autonomous Republic näkˌchĭvänˈ [key], autonomous republic (1990 est. pop. 310,000), 2,124 sq mi (5,501 sq km), an exclave of Azerbaijan, bordered on t...Luang Phabang
(Encyclopedia)Luang Phabang prə– [key], city (1995 est. pop. 55,300), capital of Luang Phabang prov. and the historic, religious, and cultural capital of Laos, NW Laos, on the Mekong River. The economic center o...Bytom
(Encyclopedia)Bytom bĭˈtôm [key], Ger. Beuthen, city (1994 est. pop. 232,400), Śląskie prov., SW Poland, in the Katowice mining region. An important heavy industrial center, it has iron- and steelworks and the...Browse by Subject
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