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It is mainly located in the lower portion of the stratosphere from about 15–35 km (9.3–21.7 mi; 49,000–115,000 ft), though the thickness varies seasonally and geographically. About 90% of the ozone in Earth's atmosphere is contained in the stratosphere. The ionosphere is a region of the atmosphere that is ionized by solar radiation.
Translated by Guthrie, G.: 1– 21. Kirchhoff, Gustav (1862). Untersuchungen über das Sonnenspectrum und die Spectren der chemischen Elemente (in German). Berlin: Ferd. Dümmler's Verlagsbuchhandlung. Appendix, Über das Verhältniß zwischen dem Emissionsvermögen und dem Absorptionsvermögen der Körper für Wärme und Licht, pp. 22–39.
Inert gas pipe on an oil tanker. An inert gas is a gas that does not readily undergo chemical reactions with other chemical substances and therefore does not readily form chemical compounds.
The fifth season of The Voice of Vietnam began on May 20, 2018. The coaching panel this season consists of returning coaches Thu Phương, Tóc Tiên, Noo Phước Thịnh; and former The Voice Kids coach Lam Trường.
About 1.1 million tonnes of metallic zinc and 130 thousand tonnes of lead were mined and smelted in the Belgian towns of La Calamine and Plombières between 1806 and 1882. [118] The dumps of the past mining operations leach zinc and cadmium, and the sediments of the Geul River contain non-trivial amounts of metals. [ 118 ]
Iceland [e] is a Nordic island country between the North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe.It is culturally and politically linked with Europe and is the region's westernmost and most sparsely populated country. [12]