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Molybdenum

Index Molybdenum

Molybdenum is a chemical element with symbol Mo and atomic number 42. [1]

197 relations: Abundance of elements in Earth's crust, AL-6XN, Aldehyde oxidase, Alloy, Aluminothermic reaction, Amino acid, Ammonium dimolybdate, Ammonium heptamolybdate, Ammonium tetrathiomolybdate, Anatolian languages, Ancient Greek, Anemia, Angiogenesis, Atomic mass, Atomic number, Austenite, Base (chemistry), Bengt Andersson Qvist, Big Bertha (howitzer), Bingham Canyon Mine, Breastfeeding, Cancer, Carbide, Carbohydrate, Carbon, Carbon cycle, Carl Wilhelm Scheele, Cast iron, Catabolism, Catalysis, Ceramic, Chapel Hill, North Carolina, Chemical bond, Chemical compound, Chemical element, Chromate and dichromate, Chromium, Chuquicamata, Climax mine, Competitive inhibition, Copper, Copper deficiency, Corrosion, Cracking (chemistry), Cyanobacteria, Delft University of Technology, Diarrhea, Diazotroph, Dietary Reference Intake, Double beta decay, ..., Ductility, Electronegativity, Esophageal cancer, Eukaryote, European Food Safety Authority, Ferromolybdenum, FLiBe, Food and Drug Administration, Galena, Gout, Graphene, Graphite, Half-life, Heating element, Henderson molybdenum mine, Heteroatom, Heterocyst, High pressure, High-speed steel, Hydrogen sulfide, Immediately dangerous to life or health, Infertility, Iron–sulfur protein, Isotope, Isotopes of molybdenum, Knaben, Lead, Linseed oil, List of chemical elements, List of molybdenum mines, Loanword, London Metal Exchange, Luna 24, Luwian language, Lydian language, Macular degeneration, Mammography, Mangalloy, Mare Crisium, Median lethal dose, Melting point, Metabolism, Metal, Microgram, Mineral, Mineral (nutrient), Mohs scale of mineral hardness, Molten salt reactor, Molybdate, Molybdenite, Molybdenum cofactor, Molybdenum cofactor deficiency, Molybdenum deficiency, Molybdenum disilicide, Molybdenum disulfide, Molybdenum hexacarbonyl, Molybdenum hexafluoride, Molybdenum mining in the United States, Molybdenum tetrachloride, Molybdenum trioxide, Molybdenum(II) chloride, Molybdenum(V) chloride, Molybdopterin, Moon, Nanometre, National Academy of Medicine, Native metal, Natural abundance, New Latin, Niobium, Nitrogen, Nitrogen cycle, Nitrogen fixation, Nitrogenase, Nuclear isomer, Occupational Safety and Health Administration, Organic compound, Osmium, Oxidation state, Oxyanion, Oxygen, Paranasal sinuses, Parenteral nutrition, Pascal (unit), Passivation (chemistry), Periodic Videos, Peter Jacob Hjelm, PH, Phosphomolybdic acid, Phosphorus, Phylogenetics, Phys.org, Pigment, Polyoxometalate, Porphyry copper deposit, Powellite, Pregnancy, Protein, Pterin, Pure and Applied Chemistry, Purine, Pyroxene, Quadruple bond, Reference Daily Intake, Rhenium, Ruminant, Ruthenium, Sodium tungstate, Solar cell, Solubility, Squamous cell carcinoma, Stainless steel, Steel, Sulfite, Sulfite oxidase, Sulfur, Sulfur cycle, Superalloy, Sweden, Tantalum, Technetium, Technetium-99m, The FEBS Journal, Theodore Gray, Thermal expansion, Ton, Tool steel, Tooth enamel, Transition metal, Tungsten, Ultimate tensile strength, Ultraviolet–visible spectroscopy, University of North Carolina, Uric acid, Urine, Vehicle armour, Vitreous enamel, Weldability, William D. Coolidge, Wilson's disease, World War I, World War II, Wulfenite, Xanthine, Xanthine oxidase, Year, 41xx steel. Expand index (147 more) »

Abundance of elements in Earth's crust

The abundance of elements in Earth's crust is shown in tabulated form with the estimated crustal abundance for each chemical element shown as either percentage or parts per million (ppm) by mass (10,000 ppm.

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AL-6XN

AL-6XN (UNS designation N08367) is a type of weldable stainless steel that consist of an alloy of nickel (24%), chromium (22%) and molybdenum (6.3%) with other trace elements such as nitrogen.

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Aldehyde oxidase

Aldehyde oxidase (AO) is a metabolizing enzyme, located in the cytosolic compartment of tissues in many organisms.

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Alloy

An alloy is a combination of metals or of a metal and another element.

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Aluminothermic reaction

Aluminothermic reactions are exothermic chemical reactions using aluminium as the reducing agent at high temperature.

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Amino acid

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

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Ammonium dimolybdate

Ammonium dimolybdate (ADM) is the inorganic compound with the formula (NH4)2Mo2O7.

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Ammonium heptamolybdate

Ammonium heptamolybdate is the inorganic compound whose chemical formula is (NH4)6Mo7O24, normally encountered as the tetrahydrate.

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Ammonium tetrathiomolybdate

Ammonium tetrathiomolybdate is the chemical compound with the formula (NH4)2MoS4.

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Anatolian languages

The Anatolian languages are an extinct family of Indo-European languages that were spoken in Asia Minor (ancient Anatolia), the best attested of them being the Hittite language.

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Ancient Greek

The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.

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Anemia

Anemia is a decrease in the total amount of red blood cells (RBCs) or hemoglobin in the blood, or a lowered ability of the blood to carry oxygen.

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Angiogenesis

Angiogenesis is the physiological process through which new blood vessels form from pre-existing vessels.

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Atomic mass

The atomic mass (ma) is the mass of an atom.

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Atomic number

The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom.

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Austenite

Austenite, also known as gamma-phase iron (γ-Fe), is a metallic, non-magnetic allotrope of iron or a solid solution of iron, with an alloying element.

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Base (chemistry)

In chemistry, bases are substances that, in aqueous solution, release hydroxide (OH−) ions, are slippery to the touch, can taste bitter if an alkali, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts, promote certain chemical reactions (base catalysis), accept protons from any proton donor, and/or contain completely or partially displaceable OH− ions.

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Bengt Andersson Qvist

Bengt Andersson Qvist (sometimes Benct Qvist or Bengt Quist (21 October 1726 – 14 October 1799) was a Swedish chemist and mineralogist. He was assistant of Sven Rinman and after a visit to steel plants in Britain he built a demonstration plant in Sweden. In 1769, he was elected a member of the Royal Swedish Academy of Sciences.

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Big Bertha (howitzer)

Big Bertha (lit) is the name of a type of super-heavy siege artillery developed by the armaments manufacturer Krupp in Germany and used in World Wars I and II.

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Bingham Canyon Mine

The Bingham Canyon Mine, more commonly known as Kennecott Copper Mine among locals, is an open-pit mining operation extracting a large porphyry copper deposit southwest of Salt Lake City, Utah, in the Oquirrh Mountains.

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Breastfeeding

Breastfeeding, also known as nursing, is the feeding of babies and young children with milk from a woman's breast.

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Cancer

Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.

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Carbide

In chemistry, a carbide is a compound composed of carbon and a less electronegative element.

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Carbohydrate

A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water); in other words, with the empirical formula (where m may be different from n).

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Carbon

Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

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Carbon cycle

The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.

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Carl Wilhelm Scheele

Carl Wilhelm Scheele (9 December 1742 – 21 May 1786) was a Swedish Pomeranian and German pharmaceutical chemist.

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Cast iron

Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%.

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Catabolism

Catabolism (from Greek κάτω kato, "downward" and βάλλειν ballein, "to throw") is the set of metabolic pathways that breaks down molecules into smaller units that are either oxidized to release energy or used in other anabolic reactions.

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Catalysis

Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalysthttp://goldbook.iupac.org/C00876.html, which is not consumed in the catalyzed reaction and can continue to act repeatedly.

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Ceramic

A ceramic is a non-metallic solid material comprising an inorganic compound of metal, non-metal or metalloid atoms primarily held in ionic and covalent bonds.

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Chapel Hill, North Carolina

Chapel Hill is a town in Orange and Durham counties in the U.S. state of North Carolina.

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Chemical bond

A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.

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Chemical compound

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds.

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Chemical element

A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).

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Chromate and dichromate

Chromate salts contain the chromate anion,.

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Chromium

Chromium is a chemical element with symbol Cr and atomic number 24.

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Chuquicamata

Chuquicamata, or "Chuqui" as it is more familiarly known, is by excavated volume the largest open pit copper mine in the world, located in the north of Chile, just outside Calama at above sea level, northeast of Antofagasta and north of the capital, Santiago.

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Climax mine

The Climax mine, located in Climax, Colorado, United States, is a major molybdenum mine in Lake and Summit counties, Colorado.

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Competitive inhibition

Competitive inhibition is a form of enzyme inhibition where binding of an inhibitor prevents binding of the target molecule of the enzyme, also known as the substrate.

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Copper

Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.

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Copper deficiency

Copper deficiency is a very rare hematological and neurological disorder.

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Corrosion

Corrosion is a natural process, which converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide.

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Cracking (chemistry)

In petrochemistry, petroleum geology and organic chemistry, cracking is the process whereby complex organic molecules such as kerogens or long-chain hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon-carbon bonds in the precursors.

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Cyanobacteria

Cyanobacteria, also known as Cyanophyta, are a phylum of bacteria that obtain their energy through photosynthesis, and are the only photosynthetic prokaryotes able to produce oxygen.

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Delft University of Technology

Delft University of Technology (Technische Universiteit Delft) also known as TU Delft, is the largest and oldest Dutch public technological university, located in Delft, Netherlands.

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Diarrhea

Diarrhea, also spelled diarrhoea, is the condition of having at least three loose or liquid bowel movements each day.

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Diazotroph

Diazotrophs are bacteria and archaea that fix atmospheric nitrogen gas into a more usable form such as ammonia.

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Dietary Reference Intake

The Dietary Reference Intake (DRI) is a system of nutrition recommendations from the Institute of Medicine (IOM) of the National Academies (United States).

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Double beta decay

In nuclear physics, double beta decay is a type of radioactive decay in which two protons are simultaneously transformed into two neutrons, or vice versa, inside an atomic nucleus.

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Ductility

Ductility is a measure of a material's ability to undergo significant plastic deformation before rupture, which may be expressed as percent elongation or percent area reduction from a tensile test.

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Electronegativity

Electronegativity, symbol ''χ'', is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself.

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Esophageal cancer

Esophageal cancer is cancer arising from the esophagus—the food pipe that runs between the throat and the stomach.

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Eukaryote

Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, unlike Prokaryotes (Bacteria and other Archaea).

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European Food Safety Authority

The European Food Safety Authority (EFSA) is the agency of the European Union (EU) that provides independent scientific advice and communicates on existing and emerging risks associated with the food chain.

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Ferromolybdenum

Ferro molybdenum is an important iron-molybdenum alloy, with a molybdenum content of 60-75% It is the main source for molybdenum alloying of HSLA steel.

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FLiBe

FLiBe is a molten salt made from a mixture of lithium fluoride (LiF) and beryllium fluoride (BeF2).

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Food and Drug Administration

The Food and Drug Administration (FDA or USFDA) is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.

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Galena

Galena, also called lead glance, is the natural mineral form of lead(II) sulfide.

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Gout

Gout is a form of inflammatory arthritis characterized by recurrent attacks of a red, tender, hot, and swollen joint.

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Graphene

Graphene is a semi-metal with a small overlap between the valence and the conduction bands (zero bandgap material).

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Graphite

Graphite, archaically referred to as plumbago, is a crystalline allotrope of carbon, a semimetal, a native element mineral, and a form of coal.

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Half-life

Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.

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Heating element

A heating element converts energy into heat through the process of resistive or Joule heating.

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Henderson molybdenum mine

The Henderson molybdenum mine is a large underground molybdenum mine west of the town of Empire in Clear Creek County, Colorado, USA.

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Heteroatom

In chemistry, a heteroatom (from Ancient Greek heteros, "different", + atomos, "uncut") is any atom that is not carbon or hydrogen.

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Heterocyst

Heterocysts are specialized nitrogen-fixing cells formed during nitrogen starvation by some filamentous cyanobacteria, such as Nostoc punctiforme, Cylindrospermum, and Anabaena sphaerica.

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High pressure

In science and engineering the study of high pressure examines its effects on materials and the design and construction of devices, such as a diamond anvil cell, which can create high pressure.

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High-speed steel

High-speed steel (HSS or HS) is a subset of tool steels, commonly used as cutting tool material.

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Hydrogen sulfide

Hydrogen sulfide is the chemical compound with the chemical formula H2S.

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Immediately dangerous to life or health

The term immediately dangerous to life or health (IDLH) is defined by the US National Institute for Occupational Safety and Health (NIOSH) as exposure to airborne contaminants that is "likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment." Examples include smoke or other poisonous gases at sufficiently high concentrations.

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Infertility

Infertility is the inability of a person, animal or plant to reproduce by natural means.

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Iron–sulfur protein

Iron–sulfur proteins are proteins characterized by the presence of iron–sulfur clusters containing sulfide-linked di-, tri-, and tetrairon centers in variable oxidation states.

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Isotope

Isotopes are variants of a particular chemical element which differ in neutron number.

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Isotopes of molybdenum

There are 33 known isotopes of molybdenum (42Mo) ranging in atomic mass from 83 to 115, as well as four metastable nuclear isomers.

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Knaben

Knaben is an old mining village in the northern part of Kvinesdal municipality in Vest-Agder county, Norway.

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Lead

Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.

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Linseed oil

Linseed oil, also known as flaxseed oil or flax oil, is a colourless to yellowish oil obtained from the dried, ripened seeds of the flax plant (Linum usitatissimum).

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List of chemical elements

, 118 chemical elements are identified.

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List of molybdenum mines

This list of molybdenum mines is subsidiary to the list of mines article and lists working, defunct and planned mines that have substantial molybdenum output, organized by country.

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Loanword

A loanword (also loan word or loan-word) is a word adopted from one language (the donor language) and incorporated into another language without translation.

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London Metal Exchange

The London Metal Exchange (LME) is the futures exchange with the world's largest market in options and futures contracts on base and other metals.

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Luna 24

Luna 24 was an unmanned space mission of the Soviet Union's Luna programme.

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Luwian language

Luwian sometimes known as Luvian or Luish is an ancient language, or group of languages, within the Anatolian branch of the Indo-European language family.

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Lydian language

Lydian is an extinct Indo-European language spoken in the region of Lydia, in western Anatolia (now in Turkey).

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Macular degeneration

Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field.

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Mammography

Mammography (also called mastography) is the process of using low-energy X-rays (usually around 30 kVp) to examine the human breast for diagnosis and screening.

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Mangalloy

Mangalloy, also called manganese steel or Hadfield steel, is an alloy steel containing an average of around 13% manganese.

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Mare Crisium

Mare Crisium (the "Sea of Crises") is a lunar mare located in the Moon's Crisium basin, just northeast of Mare Tranquillitatis.

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Median lethal dose

In toxicology, the median lethal dose, LD50 (abbreviation for "lethal dose, 50%"), LC50 (lethal concentration, 50%) or LCt50 is a measure of the lethal dose of a toxin, radiation, or pathogen.

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Melting point

The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid at atmospheric pressure.

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Metabolism

Metabolism (from μεταβολή metabolē, "change") is the set of life-sustaining chemical transformations within the cells of organisms.

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Metal

A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.

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Microgram

In the metric system, a microgram or microgramme (μg; the recommended symbol in the United States when communicating medical information is mcg) is a unit of mass equal to one millionth of a gram.

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Mineral

A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.

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Mineral (nutrient)

In the context of nutrition, a mineral is a chemical element required as an essential nutrient by organisms to perform functions necessary for life.

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Mohs scale of mineral hardness

The Mohs scale of mineral hardness is a qualitative ordinal scale characterizing scratch resistance of various minerals through the ability of harder material to scratch softer material.

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Molten salt reactor

A molten salt reactor (MSR) is a class of generation IV nuclear fission reactor in which the primary nuclear reactor coolant, or even the fuel itself, is a molten salt mixture.

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Molybdate

In chemistry a molybdate is a compound containing an oxoanion with molybdenum in its highest oxidation state of 6.

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Molybdenite

Molybdenite is a mineral of molybdenum disulfide, MoS2.

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Molybdenum cofactor

Molybdenum cofactor has two meanings, which are sometimes used interchangeably.

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Molybdenum cofactor deficiency

Molybdenum cofactor deficiency is a rare human disease in which the absence of molybdenum cofactor leads to accumulation of toxic levels of sulphite and neurological damage.

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Molybdenum deficiency

Molybdenum deficiency refers to the clinical consequences of inadequate supplies of molybdenum in the diet.

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Molybdenum disilicide

Molybdenum disilicide (MoSi2, or molybdenum silicide), an intermetallic compound, a silicide of molybdenum, is a refractory ceramic with primary use in heating elements.

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Molybdenum disulfide

Molybdenum disulfide is an inorganic compound composed of molybdenum and sulfur.

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Molybdenum hexacarbonyl

Molybdenum hexacarbonyl (also called molybdenum carbonyl) is the chemical compound with the formula Mo(CO)6.

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Molybdenum hexafluoride

Molybdenum hexafluoride, also molybdenum(VI) fluoride is the inorganic compound with the formula MoF6.

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Molybdenum mining in the United States

Molybdenum mining in the United States produced 65,500 metric tons of molybdenum in 2014, worth US$1.8 billion.

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Molybdenum tetrachloride

Molybdenum tetrachloride is the inorganic compound with the empirical formula MoCl4.

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Molybdenum trioxide

Molybdenum trioxide is chemical compound with the formula MoO3.

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Molybdenum(II) chloride

Molybdenum dichloride describes chemical compounds with the empirical formula MoCl2.

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Molybdenum(V) chloride

Molybdenum(V) chloride is the inorganic compound with the formula 2.

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Molybdopterin

Molybdopterins are a class of cofactors found in most molybdenum (Mo) and all tungsten (W) enzymes.

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Moon

The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.

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Nanometre

The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).

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National Academy of Medicine

The National Academy of Medicine (NAM), formerly called the Institute of Medicine (IoM), is an American nonprofit, non-governmental organization.

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Native metal

A native metal is any metal that is found in its metallic form, either pure in nature.

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Natural abundance

In physics, natural abundance (NA) refers to the abundance of isotopes of a chemical element as naturally found on a planet.

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New Latin

New Latin (also called Neo-Latin or Modern Latin) was a revival in the use of Latin in original, scholarly, and scientific works between c. 1375 and c. 1900.

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Niobium

Niobium, formerly known as columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41.

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Nitrogen

Nitrogen is a chemical element with symbol N and atomic number 7.

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Nitrogen cycle

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among the atmosphere, terrestrial, and marine ecosystems.

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Nitrogen fixation

Nitrogen fixation is a process by which nitrogen in the Earth's atmosphere is converted into ammonia (NH3) or other molecules available to living organisms.

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Nitrogenase

Nitrogenases are enzymes that are produced by certain bacteria, such as cyanobacteria (blue-green algae).

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Nuclear isomer

A nuclear isomer is a metastable state of an atomic nucleus caused by the excitation of one or more of its nucleons (protons or neutrons).

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Occupational Safety and Health Administration

The Occupational Safety and Health Administration (OSHA) is an agency of the United States Department of Labor.

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Organic compound

In chemistry, an organic compound is generally any chemical compound that contains carbon.

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Osmium

Osmium (from Greek ὀσμή osme, "smell") is a chemical element with symbol Os and atomic number 76.

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Oxidation state

The oxidation state, sometimes referred to as oxidation number, describes degree of oxidation (loss of electrons) of an atom in a chemical compound.

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Oxyanion

An oxyanion, or oxoanion, is an ion with the generic formula (where A represents a chemical element and O represents an oxygen atom).

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Paranasal sinuses

Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity.

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Parenteral nutrition

Total parenteral nutrition (PN) is the feeding of a person intravenously, bypassing the usual process of eating and digestion.

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Pascal (unit)

The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.

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Passivation (chemistry)

Passivation, in physical chemistry and engineering, refers to a material becoming "passive," that is, less affected or corroded by the environment of future use.

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Periodic Videos

The Periodic Table of Videos (usually shortened to Periodic Videos) is a series of videos about chemical elements and the periodic table.

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Peter Jacob Hjelm

Peter (Petter) Jacob Hjelm (2 October 1746 – 7 October 1813) was a Swedish chemist and the first person to isolate the element molybdenum in 1781, four years after its discovery.

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PH

In chemistry, pH is a logarithmic scale used to specify the acidity or basicity of an aqueous solution.

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Phosphomolybdic acid

Phosphomolybdic acid, also known as dodeca molybdophosphoric acid or PMA is a component of Masson's trichrome stain.

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Phosphorus

Phosphorus is a chemical element with symbol P and atomic number 15.

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Phylogenetics

In biology, phylogenetics (Greek: φυλή, φῦλον – phylé, phylon.

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Phys.org

Phys.org is a science, research and technology news aggregator where much of the content is republished directly from press releases and news agencies-in a practice known as churnalism.

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Pigment

A pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption.

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Polyoxometalate

In chemistry, a polyoxometalate (abbreviated POM) is a polyatomic ion, usually an anion, that consists of three or more transition metal oxyanions linked together by shared oxygen atoms to form closed 3-dimensional frameworks.

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Porphyry copper deposit

Porphyry copper deposits are copper orebodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit itself.

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Powellite

Powellite is a calcium molybdate mineral with formula CaMoO4.

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Pregnancy

Pregnancy, also known as gestation, is the time during which one or more offspring develops inside a woman.

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Protein

Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

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Pterin

Pterin is a heterocyclic compound composed of a pteridine ring system, with a keto group and an amino group on positions 4 and 2 respectively.

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Pure and Applied Chemistry

Pure and Applied Chemistry (abbreviated Pure Appl. Chem.) is the official journal for the International Union of Pure and Applied Chemistry (IUPAC).

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Purine

A purine is a heterocyclic aromatic organic compound that consists of a pyrimidine ring fused to an imidazole ring.

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Pyroxene

The pyroxenes (commonly abbreviated to Px) are a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks.

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Quadruple bond

A quadruple bond is a type of chemical bond between two atoms involving eight electrons.

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Reference Daily Intake

The Reference Daily Intake (RDI) is the daily intake level of a nutrient that is considered to be sufficient to meet the requirements of 97–98% of healthy individuals in every demographic in the United States.

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Rhenium

Rhenium is a chemical element with symbol Re and atomic number 75.

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Ruminant

Ruminants are mammals that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior to digestion, principally through microbial actions.

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Ruthenium

Ruthenium is a chemical element with symbol Ru and atomic number 44.

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Sodium tungstate

Sodium tungstate is the inorganic compound with the formula Na2WO4.

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Solar cell

A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.

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Solubility

Solubility is the property of a solid, liquid or gaseous chemical substance called solute to dissolve in a solid, liquid or gaseous solvent.

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Squamous cell carcinoma

Squamous cell carcinomas, also known as epidermoid carcinoma are a number of different types of cancer that result from squamous cells.

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Stainless steel

In metallurgy, stainless steel, also known as inox steel or inox from French inoxydable (inoxidizable), is a steel alloy with a minimum of 10.5% chromium content by mass.

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Steel

Steel is an alloy of iron and carbon and other elements.

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Sulfite

Sulfites or sulphites are compounds that contain the sulfite ion (or the sulfate(IV) ion, from its correct systematic name),.

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Sulfite oxidase

Sulfite oxidase is an enzyme in the mitochondria of all eukaryotes.

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Sulfur

Sulfur or sulphur is a chemical element with symbol S and atomic number 16.

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Sulfur cycle

The sulfur cycle is the collection of processes by which sulfur moves to and from rock, waterways and living systems.

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Superalloy

A superalloy, or high-performance alloy, is an alloy that exhibits several key characteristics: excellent mechanical strength, resistance to thermal creep deformation, good surface stability, and resistance to corrosion or oxidation.

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Sweden

Sweden (Sverige), officially the Kingdom of Sweden (Swedish), is a Scandinavian country in Northern Europe.

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Tantalum

Tantalum is a chemical element with symbol Ta and atomic number 73.

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Technetium

Technetium is a chemical element with symbol Tc and atomic number 43.

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Technetium-99m

Technetium-99m is a metastable nuclear isomer of technetium-99 (itself an isotope of technetium), symbolized as 99mTc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medical radioisotope.

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The FEBS Journal

The FEBS Journal is a biweekly peer-reviewed scientific journal published by John Wiley & Sons on behalf of the Federation of European Biochemical Societies.

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Theodore Gray

Theodore W. "Theo" Gray is a co-founder of Wolfram Research, science author, and co-founder of app developer Touch Press.

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Thermal expansion

Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature.

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Ton

The ton is a unit of measure.

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Tool steel

Tool steel refers to a variety of carbon and alloy steels that are particularly well-suited to be made into tools.

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Tooth enamel

Tooth enamel is one of the four major tissues that make up the tooth in humans and many other animals, including some species of fish.

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Transition metal

In chemistry, the term transition metal (or transition element) has three possible meanings.

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Tungsten

Tungsten, or wolfram, is a chemical element with symbol W (referring to wolfram) and atomic number 74.

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Ultimate tensile strength

Ultimate tensile strength (UTS), often shortened to tensile strength (TS), ultimate strength, or Ftu within equations, is the capacity of a material or structure to withstand loads tending to elongate, as opposed to compressive strength, which withstands loads tending to reduce size.

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Ultraviolet–visible spectroscopy

Ultraviolet–visible spectroscopy or ultraviolet–visible spectrophotometry (UV–Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet-visible spectral region.

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University of North Carolina

The University of North Carolina is a multi-campus public university system composed of all 16 of North Carolina's public universities, as well as the NC School of Science and Mathematics, the nation's first public residential high school for gifted students.

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Uric acid

Uric acid is a heterocyclic compound of carbon, nitrogen, oxygen, and hydrogen with the formula C5H4N4O3.

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Urine

Urine is a liquid by-product of metabolism in humans and in many animals.

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Vehicle armour

Military vehicles are commonly armoured (or armored; see spelling differences) to withstand the impact of shrapnel, bullets, missiles or shells, protecting the personnel inside from enemy fire.

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Vitreous enamel

Vitreous enamel, also called porcelain enamel, is a material made by fusing powdered glass to a substrate by firing, usually between.

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Weldability

The weldability, also known as joinability,.

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William D. Coolidge

William David Coolidge (October 23, 1873 – February 3, 1975) was an American physicist and engineer, who made major contributions to X-ray machines.

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Wilson's disease

Wilson's disease is a genetic disorder in which copper builds up in the body.

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World War I

World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.

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World War II

World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.

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Wulfenite

Wulfenite is a lead molybdate mineral with the formula PbMoO4.

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Xanthine

Xanthine (or; archaically xanthic acid) (3,7-dihydropurine-2,6-dione), is a purine base found in most human body tissues and fluids and in other organisms.

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Xanthine oxidase

Xanthine oxidase (XO, sometimes XAO) is a form of xanthine oxidoreductase, a type of enzyme that generates reactive oxygen species.

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Year

A year is the orbital period of the Earth moving in its orbit around the Sun.

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41xx steel

41xx steel is a family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE).

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Dimolybdenum, Element 42, Mo (element), Molybdenium, Molybdenom, Molybdenum alloy, Molybdenum alloys, Molybdic, Molybdinum, Molybdous, Molybendium.

References

[1] https://en.wikipedia.org/wiki/Molybdenum

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