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Dnieper Upland
The Dnieper Upland or Cisdnieper Upland ( uk, Придніпровська височина, translit=Prydniprovska vysochyna) is a southeastern European plain occupying the territory between the Dnieper and the Southern Bug. It lies in central Ukraine, occupying the oblasts of Zhytomyr, Kyiv, Vinnitsa, Cherkasy, Kirovohrad and Dnipropetrovsk. To its north lies Polesian Lowland, to the south lies Black Sea Lowland, eastern border is served by Dnieper. To the west of Dnieper Upland lies uplands of Podillya and Volhynia (see Volhynian-Podolian Upland). Average heights in the northern portion vary at in the southern portion do not exceed . Its maximum is at located in the northwestern portion. Among prominent features of the upland are Kyiv Mountains, Hills of Kaniv, others. The regions is characterized by alteration of flooding watersheds with deep (up to ) sometimes canyon-like valleys of rivers and gulches. Especially dense ravine-gulch network is in the Cis-Dnieper portion of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ukraine Dnepr Highland En
Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the List of European countries by area, second-largest European country after Russia, which it borders Russia–Ukraine border, to the east and northeast. Ukraine covers approximately . Prior to the ongoing 2022 Russian invasion of Ukraine, Russian invasion, it was the List of European countries by population, eighth-most populous country in Europe, with a population of around 41 million people. It is also bordered by Belarus to the north; by Poland, Slovakia, and Hungary to the west; and by Romania and Moldova to the southwest; with a coastline along the Black Sea and the Sea of Azov to the south and southeast. Kyiv is the nation's capital and List of cities in Ukraine, largest city. Ukraine's official language, state language is Ukrainian language, Ukrainian; Russian language in Ukraine, Russian is also widely spoken, especially in the Eastern Ukraine, east and Southern Ukraine, south. During the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graphite
Graphite () is a crystalline form of the element carbon. It consists of stacked layers of graphene. Graphite occurs naturally and is the most stable form of carbon under standard conditions. Synthetic and natural graphite are consumed on large scale (300 kton/year, in 1989) for uses in pencils, lubricants, and electrodes. Under high pressures and temperatures it converts to diamond. It is a weak conductor of heat and electricity. Types and varieties Natural graphite The principal types of natural graphite, each occurring in different types of ore deposits, are * Crystalline small flakes of graphite (or flake graphite) occurs as isolated, flat, plate-like particles with hexagonal edges if unbroken. When broken the edges can be irregular or angular; * Amorphous graphite: very fine flake graphite is sometimes called amorphous; * Lump graphite (or vein graphite) occurs in fissure veins or fractures and appears as massive platy intergrowths of fibrous or acicular crystalline ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
East European Plain
The East European Plain (also called the Russian Plain, "Extending from eastern Poland through the entire European Russia to the Ural Mountaina, the ''East European Plain'' encompasses all of the Baltic states and Belarus, nearly all of Ukraine, and much of the European portion of Russia and reaches north into Finland." ''— Britannica''. or historically the Sarmatic Plain) is a vast interior plain extending east of the North European Plain, and comprising several plateaus stretching roughly from 25 degrees longitude eastward. It includes the westernmost Volhynian-Podolian Upland, the Central Russian Upland, and on the eastern border, encompasses the Volga Upland. The plain includes also a series of major river basins such as the Dnepr Basin, the Oka–Don Lowland, and the Volga Basin. Along the southernmost point of the East European Plain are the Caucasus and Crimean mountain ranges. Together with the North European Plain (covering much of north-western France, Netherlands, Ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dnieper Upland
The Dnieper Upland or Cisdnieper Upland ( uk, Придніпровська височина, translit=Prydniprovska vysochyna) is a southeastern European plain occupying the territory between the Dnieper and the Southern Bug. It lies in central Ukraine, occupying the oblasts of Zhytomyr, Kyiv, Vinnitsa, Cherkasy, Kirovohrad and Dnipropetrovsk. To its north lies Polesian Lowland, to the south lies Black Sea Lowland, eastern border is served by Dnieper. To the west of Dnieper Upland lies uplands of Podillya and Volhynia (see Volhynian-Podolian Upland). Average heights in the northern portion vary at in the southern portion do not exceed . Its maximum is at located in the northwestern portion. Among prominent features of the upland are Kyiv Mountains, Hills of Kaniv, others. The regions is characterized by alteration of flooding watersheds with deep (up to ) sometimes canyon-like valleys of rivers and gulches. Especially dense ravine-gulch network is in the Cis-Dnieper portion of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ukrainian Soviet Encyclopedia
The ''Ukrainian Soviet Encyclopedia'' ( uk, Українська радянська енциклопедія, ''Ukrayinska radyanska entsyklopediya'') was a multi-purpose encyclopedia of Ukraine, issued in the USSR. First attempt Following the publication of the first volume of the in Lviv, then in Poland, in 1930, the ''Ukrainian Soviet Encyclopedia'' (''USE'') was commissioned by Mykola Skrypnyk. During his chairmanship in Kharkiv the editorial board of the ''USE'' was established, enlisting the help of over 100 professionals. Printing began in early 1933, but Moscow censors decried the encyclopedia as being nationalist. Of the 20 planned volumes only three were produced. In the same year Skrypnyk committed suicide, and was succeeded by Volodymyr Zatonsky. The printed copies were destroyed, and plans for the November 1934 edition of USE dissolved. First edition In early 1948, interest in the ''USE'' returned as a response the publication of the '' Encyclopedia of Ukrainia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Soviet Encyclopedia
The ''Great Soviet Encyclopedia'' (GSE; ) is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Bolshaya rossiyskaya entsiklopediya'' (or '' Great Russian Encyclopedia'') in an updated and revised form. The GSE claimed to be "the first Marxist–Leninist general-purpose encyclopedia". Origins The idea of the ''Great Soviet Encyclopedia'' emerged in 1923 on the initiative of Otto Schmidt, a member of the Russian Academy of Sciences. In early 1924 Schmidt worked with a group which included Mikhail Pokrovsky, (rector of the Institute of Red Professors), Nikolai Meshcheryakov (Former head of the Glavit, the State Administration of Publishing Affairs), Valery Bryusov (poet), Veniamin Kagan (mathematician) and Konstantin Kuzminsky to draw up a proposal which was agreed to in April 1924. Also involved was Anatoly Lunacharsky, People's Commissar of Education ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encyclopædia Britannica
The (Latin for "British Encyclopædia") is a general knowledge English-language encyclopaedia. It is published by Encyclopædia Britannica, Inc.; the company has existed since the 18th century, although it has changed ownership various times through the centuries. The encyclopaedia is maintained by about 100 full-time editors and more than 4,000 contributors. The 2010 version of the 15th edition, which spans 32 volumes and 32,640 pages, was the last printed edition. Since 2016, it has been published exclusively as an online encyclopaedia. Printed for 244 years, the ''Britannica'' was the longest running in-print encyclopaedia in the English language. It was first published between 1768 and 1771 in the Scottish capital of Edinburgh, as three volumes. The encyclopaedia grew in size: the second edition was 10 volumes, and by its fourth edition (1801–1810) it had expanded to 20 volumes. Its rising stature as a scholarly work helped recruit eminent con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Donbas
The Donbas or Donbass (, ; uk, Донба́с ; russian: Донба́сс ) is a historical, cultural, and economic region in eastern Ukraine. Parts of the Donbas are controlled by Russian separatist groups as a result of the Russo-Ukrainian War: the Donetsk People's Republic and the Luhansk People's Republic. The word ''Donbas'' is a portmanteau formed from "Donets Basin", an abbreviation of "Donets Coal Basin" ( uk, Донецький вугільний басейн, Donetskyi vuhilnyi basein; russian: Донецкий угольный бассейн, Donetskii ugolnyi bassein). The name of the coal basin is a reference to the Donets Ridge; the latter is associated with the Donets river. There are numerous definitions of the region's extent. It is now most commonly defined as the Donetsk and Luhansk regions of Ukraine. The historical coal mining region excluded parts of these oblasts, and included areas in Dnipropetrovsk Oblast and Southern Russia. A Euroregion of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Donetsk
Donetsk ( , ; uk, Донецьк, translit=Donets'k ; russian: Донецк ), formerly known as Aleksandrovka, Yuzivka (or Hughesovka), Stalin and Stalino (see also: Names of European cities in different languages (C–D), cities' alternative names), is an industrial city in eastern Ukraine located on the Kalmius River in Donetsk Oblast. The population was estimated at in the city core, with over 2 million in the metropolitan area (2011). According to the Ukrainian Census (2001), 2001 census, Donetsk was the fifth-largest city in Ukraine. Administratively, Donetsk has been the centre of Donetsk Oblast, while historically, it is the unofficial capital and largest city of the larger economic and cultural Donbas, Donets Basin (''Donbas'') region. Donetsk is adjacent to another major city, Makiivka, and along with other surrounding cities forms a major urban sprawl and conurbation in the region. Donetsk has been a major economic, industrial and scientific centre of Ukraine wit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kaolin
Kaolinite ( ) is a clay mineral, with the chemical composition Al2 Si2 O5( OH)4. It is an important industrial mineral. It is a layered silicate mineral, with one tetrahedral sheet of silica () linked through oxygen atoms to one octahedral sheet of alumina () octahedra. Rocks that are rich in kaolinite are known as kaolin () or china clay. Kaolin is occasionally referred to by the antiquated term lithomarge, from the Ancient Greek ''litho-'' and Latin ''marga'', meaning 'stone of marl'. Presently the name lithomarge can refer to a compacted, massive form of kaolin. The name ''kaolin'' is derived from Gaoling (), a Chinese village near Jingdezhen in southeastern China's Jiangxi Province. The name entered English in 1727 from the French version of the word: , following François Xavier d'Entrecolles's reports on the making of Jingdezhen porcelain. Kaolinite has a low shrink–swell capacity and a low cation-exchange capacity (1–15 meq/100 g). It is a soft, earthy, usu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lignite
Lignite, often referred to as brown coal, is a soft, brown, combustible, sedimentary rock formed from naturally compressed peat. It has a carbon content around 25–35%, and is considered the lowest rank of coal due to its relatively low heat content. When removed from the ground, it contains a very high amount of moisture which partially explains its low carbon content. Lignite is mined all around the world and is used almost exclusively as a fuel for steam-electric power generation. The combustion of lignite produces less heat for the amount of carbon dioxide and sulfur released than other ranks of coal. As a result, environmental advocates have characterized lignite as the most harmful coal to human health. Depending on the source, various toxic heavy metals, including naturally occurring radioactive materials may be present in lignite which are left over in the coal fly ash produced from its combustion, further increasing health risks. Characteristics Lignite is brow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Granite
Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies underground. It is common in the continental crust of Earth, where it is found in igneous intrusions. These range in size from dikes only a few centimeters across to batholiths exposed over hundreds of square kilometers. Granite is typical of a larger family of ''granitic rocks'', or ''granitoids'', that are composed mostly of coarse-grained quartz and feldspars in varying proportions. These rocks are classified by the relative percentages of quartz, alkali feldspar, and plagioclase (the QAPF classification), with true granite representing granitic rocks rich in quartz and alkali feldspar. Most granitic rocks also contain mica or amphibole minerals, though a few (known as leucogranites) contain almost no dark minerals. Granite is nearly alway ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
