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Deuterium labeling
Deuterium labeling is a chemistry technique that replaces hydrogen atoms in a molecule with deuterium to trace reaction mechanisms, follow metabolic pathways, and improve drug metabolic stability.
Deuterium metabolic imaging
Deuterium metabolic imaging (DMI) is a magnetic resonance technique that maps metabolism in living tissue by administering deuterium-labeled glucose and imaging its conversion into products like lactate.
Deuterium NMR
Deuterium NMR is nuclear magnetic resonance spectroscopy of the deuterium nucleus (spin 1), used to measure molecular order and dynamics in membranes, liquid crystals, polymers, and labeled metabolites.
Deuterium–tritium fusion
Deuterium–tritium fusion (D–T fusion) is the nuclear reaction in which deuterium and tritium nuclei fuse into helium-4, releasing 17.58 MeV and powering most commercial fusion plans.
Deuterocanonical books
The deuterocanonical books, also called the deuterocanon, are Old Testament writings accepted by Catholics but classed as Apocrypha by Protestants, including Tobit, Judith, Wisdom, Sirach, Baruch, and Maccabees.
Deuteron
The deuteron is the nucleus of deuterium, heavy hydrogen, made of one proton and one neutron; it is the simplest compound atomic nucleus, denoted d or D.
Deuteron radius puzzle
The deuteron radius puzzle is the disagreement between the deuteron charge radius from muonic deuterium spectroscopy, about 2.1256 fm, and larger values near 2.1415 fm from ordinary spectroscopy.
Deuteronilus Cavus
Deuteronilus Cavus ('second Nile') is a ~120 km impact-derived depression at 36.2°N, 14.0°E in Mars' Ismenius Lacus quadrangle, reshaped by volcanism, water, glaciers, and wind since ~3.8 billion years ago.
Deuteronilus Mensae
Deuteronilus Mensae is a mesa- and glacier-covered fretted-terrain region along Mars's dichotomy boundary at about 44°N, 23°E, where radar shows lobate debris aprons of more than 80% water ice from multiple Amazonian glacial events.
Deuteronomic Code
The Deuteronomic Code is the law collection in Deuteronomy 12–26, governing Israel's worship, courts, and households, traditionally identified with the book found in the Temple in 622 BCE during King Josiah's reform.
Deuteronomist
The Deuteronomist, or D source, is the hypothesized author or chain of editors behind Deuteronomy and the Deuteronomistic History, a scholarly construct debated since 1805.
Deuterostome
Deuterostomia: bilaterian animals (chordates, hemichordates, echinoderms, xenoturbellids) whose blastopore becomes the anus and mouth forms secondarily; molecular support for the clade is equivocal.
Deutsch (lunar crater)
Deutsch is an IAU-approved impact crater on the Moon, Feature ID 1510, about 73 km across at 24.35°N, 110.91°E in the Lomonosov-Fleming region, imaged by LROC and noted for nearby dark halo craters.
Deutsche Bahn
Deutsche Bahn AG, also known as Die Bahn, is Germany's state-owned railway company, created in 1994, carrying more than five million passengers daily across Europe's biggest rail network.
Deutsche Bank
Deutsche Bank AG is a German universal bank founded in 1870 to accompany German companies abroad, now operating in 56 countries with record 2025 pre-tax profit of €9.7 billion.
Deutsche Boerse
Deutsche Boerse is a Frankfurt-based exchange group founded in 1992 that operates the Frankfurt Stock Exchange, the Eurex derivatives exchange, and Clearstream, and employs over 15,000 people.
Deutsche Börse AG
Deutsche Börse AG is a Frankfurt-based financial market infrastructure company best known for the Frankfurt Stock Exchange and Eurex, with most revenue now from post-trade, data, and software.
Deutsche Bundesbahn
Deutsche Bundesbahn was the state railway of West Germany from 1949 to 1993, running electrification, the Intercity, and early ICE services before joining Deutsche Bahn AG.
Deutsche Bundesbank
The Deutsche Bundesbank, or Bundesbank, is the central bank of Germany, created in 1957 with price stability as its primary objective and a Eurosystem member since 1999.
Deutsche Bundespost
Deutsche Bundespost (German Federal Post) was the postal and telecommunications administration of West Germany, established on 1 April 1950 and dissolved on 1 January 1995, when it became three stock corporations.
Deutsche Eishockey Liga
Deutsche Eishockey Liga (DEL, PENNY DEL), Germany's top professional ice hockey league, founded 1993, first game 15 September 1994, first private sports league in Germany; second in European attendance at 7,563 per game in 2025/26.
Deutsche Gesellschaft für Chronometrie
The Deutsche Gesellschaft für Chronometrie (DGC) is a German learned society for the research and history of timekeeping, founded in 1949 and based in Nuremberg.
Deutsche Grammophon
Deutsche Grammophon (Yellow Label), classical record label founded 1898 in Hanover by Emil and Joseph Berliner; oldest active label, now in Universal Music Group, Berlin; firsts in orchestral, tape, CD recording.
Deutsche Mark
The Deutsche Mark, also known as the Deutschmark, was the currency of West Germany from 1948 until the euro replaced it in 2002, becoming Europe's anchor currency.
Deutsche Pfandbriefbank
Deutsche Pfandbriefbank AG, known as pbb, is a Munich/Garching-based German specialist bank for commercial real estate finance in Europe and the USA, refinanced through Pfandbriefe and retail deposits.
Deutsche Physik
Deutsche Physik ("Aryan Physics") was a Nazi-era German movement led by Nobel laureates Philipp Lenard and Johannes Stark that denounced relativity and quantum mechanics as "Jewish physics" and sought racially purged science, remaining marginal and isolated by 1940.
Deutsche Reichsbahn (East Germany)
The Deutsche Reichsbahn (DR) was the state-owned railway of East Germany from 1949 to 1994, operating the Berlin S-Bahn until 1984 and merged with the Bundesbahn into Deutsche Bahn on 1 January 1994.
Deutsche Reichspartei
Deutsche Reichspartei (DRP, German Reich Party), West German right-wing extremist party founded January 1950 from the DKP-DRP and Hessian NDP, absorbed banned SRP members, led by Adolf von Thadden and Werner Naumann; dissolved 1965 into the NPD.
Deutsche Rundschau
Deutsche Rundschau was a German literary and political monthly review published in Berlin from 1874 to 1964, founded by Julius Rodenberg and known for first publishing Theodor Fontane's Der Schimmelretier
Deutsche Schillerstiftung
The Deutsche Schillerstiftung is a German literary foundation seated in Weimar, founded in Dresden in 1859 to support distinguished German-language writers with annual honoraria and promotion prizes.