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Mining In Algeria
Hydrocarbons are the leading sector in Algeria's mineral industry, which includes diverse but modest production of metals and industrial minerals. In 2006, helium production in Algeria accounted for about 13% of total world output. Hydrocarbons produced in Algeria accounted for about 2.9% of total world natural gas output and about 2.2% of total world crude oil output in 2006. Algeria held about 21% of total world identified resources of helium, 2.5% of total world natural gas reserves, and about 1% of total world crude oil reserves.[1] Some minerals, such as high-grade iron ore, phosphate, mercury, and zinc, have been exported since the early 1970s. The state mining and prospecting corporation, the National Company for Mineral Research and Exploration (Société Nationale de Recherches et d'Exploitations Minières), was established in 1967
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Hydrocarbon
In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.[1]:620 Hydrocarbons are examples of group 14 hydrides. Hydrocarbons from which one hydrogen atom has been removed are functional groups called hydrocarbyls.[2] Hydrocarbons are generally colourless and hydrophobic with only weak odours. Because of their diverse molecular structures, it is difficult to generalize further. Most anthropogenic emissions of hydrocarbons are from the burning of fossil fuels including fuel production and combustion
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Henan

Henan (河南; alternatively Honan) is a landlocked province of China, in the central part of the country. Henan is often referred to as Zhongyuan or Zhongzhou (中州), which literally means "central plain" or "midland", although the name is also applied to the entirety of China proper. Henan is a birthplace of Chinese civilization, with over 3,000 years of recorded history and remained China's cultural, economical and political center until approximately 1,000 years ago. Henan Province is home to many heritage sites which have been left behind, including the ruins of Shang dynasty capital city Yin and the Shaolin Temple. Four of the Eight Great Ancient Capitals of China, Luoyang, Anyang, Kaifeng and Zhengzhou, are in Henan
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Boukaïs
Boukaïs (Arabic: ﻳﺲ ﺑﻮﻗﺎ‎) is a town and commune in Lahmar District, Béchar Province, in western Algeria. According to the 2008 census its population is 970,[2] up from 890 in 1998,[3] and its annual population growth rate is 0.9%.[2] The commune covers an area of 1,760 square kilometres (680 sq mi).[1] Boukaïs lies at an elevation of 851 metres (2,792 ft) on a rocky plain at the edge of a region of higher, darkly colored rocky hills. There is an even higher range of lightly colored hills to the west
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Assay
An assay is an investigative (analytic) procedure in laboratory medicine, pharmacology, environmental biology and molecular biology for qualitatively assessing or quantitatively measuring the presence, amount, or functional activity of a target entity (the analyte). The analyte can be a drug, biochemical substance, or cell in an organism or organic sample.[1][2] The measured entity is often called the analyte, the measurand, or the target of the assay. An assay usually aims to measure an analyte's intensive property and express it in the relevant measurement unit (e.g. molarity, density, functional activity in enzyme international units, degree of effect in comparison to a standard, etc.). If the assay involves exogenous reactants (the reagents), then their quantities are kept fixed (or in excess) so that the quantity and quality of the target are the only limiting factors
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United Kingdom

The UK has a railway network of 10,072 miles (16,209 km) in Great Britain and 189 miles (304 km) in Northern Ireland. Railways in Northern IThe UK has a railway network of 10,072 miles (16,209 km) in Great Britain and 189 miles (304 km) in Northern Ireland. Railways in Northern Ireland are operated by NI Railways, a subsidiary of state-owned Translink. In Great Britain, the British Rail network was privatised between 1994 and 1997, which was followed by a rapid rise in passenger numbers following years of decline, although the factors behind this are disputed. The UK was ranked eighth among national European rail systems in the 2017 European Railway Performance Index assessing intensity of use, quality of service and safety.[317] Network Rail owns and manages most of the fixed assets (tracks, signals etc.). Around twenty, mostly privately owned, train operating companies operate passenger trains
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Tamanrasset
Tamanrasset (/tæmɪnræsɪt/;[stress?] Arabic: تمنراست‎), also known as Tamanghasset or Tamenghest, is an oasis city and capital of Tamanrasset Province in southern Algeria, in the Ahaggar Mountains. It is the chief city of the Algerian Tuareg. It is located an altitude of 1,320 metres (4,330 ft). As of the 2008 census, it has a population of 92,635,[1] up from 72,741 in 1998,[2] with an annual growth rate of 2.5%.[1] Tamanrasset was originally established as a military outpost to guard the trans-Saharan trade routes. Surrounded by the barren Sahara Desert, very high temperatures of over 47 °C (117 °F) have been recorded here. Tamanrasset is located at an oasis where, despite the difficult climate, citrus fruits, apricots, dates, almonds, cereals, corn, and figs are grown. The Tuareg people were once the town's main inhabitants
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Bejaia
Béjaïa (/bɪˈdʒə/; Arabic: بِجَايَة‎, Bijayah; Berber languages: Bgayet, Bgayeth), formerly Bougie and Bugia, is a Mediterranean port city on the Gulf of Béjaïa in Algeria; it is the capital of Béjaïa Province, Kabylia. Béjaïa is the largest principally Kabyle-speaking city in the Kabylia region of Algeria. The town is overlooked by the mountain Yemma Gouraya, whose profile is said to resemble a sleeping woman. Other nearby scenic spots include the Aiguades beach and the Pic des Singes (Monkey Peak); the latter site is a habitat for the endangered Barbary macaque, which prehistorically had a much broader distribution than at present. All three of these geographic features are located in the Gouraya National Park
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Gypsum

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O.[3] It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall. A massive fine-grained white or lightly tinted variety of gypsum, called sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O.[3] It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall. A massive fine-grained white or lightly tinted variety of gypsum, called alabaster, has been used for sculpture by many cultures including Ancient Egypt, Mesopotamia, Ancient Rome, the Byzantine Empire, and the Nottingham alabasters of Medieval England. Gypsum also crystallizes as translucent crystals of selenite
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