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Dover Air Force Base
Dover Air Force Base (Dover AFB) is a US Air Force base in Delaware, home of the 436th and 512th Airlift Wings flying C-5M and C-17 aircraft, and of AFMAO, the DoD's sole stateside port mortuary.
Dover Castle
Dover Castle is a medieval royal fortress in Kent, England, on the chalk cliffs above Dover, the largest castle in England by area, garrisoned continuously until 1958.
Doves Press
The Doves Press was a private press in Hammersmith, London, founded in 1900 by T. J. Cobden-Sanderson with Emery Walker, printing 40 titles in its Doves Type.
Dovetail joint
The dovetail joint, also known as dove-tail jointing or culvertail, is a woodworking and machining joint in which angled trapezoidal tails lock against separation, anchoring drawer construction for over 5,000 years.
Dow Chemical Company
The Dow Chemical Company, also known as Dow Chemical, is an American chemical manufacturer founded by Herbert Henry Dow in Midland, Michigan in 1897, now an operating subsidiary of Dow Inc.
Dow Jones Best-in-Class Asia Pacific Index
The Dow Jones Best-in-Class Asia Pacific Index, until February 2025 named the Dow Jones Sustainability Asia Pacific Index, tracks the top sustainability performers among Asia-Pacific's largest companies.
Dowel
A dowel, also called a dowel rod, is a cylindrical rod of wood or metal inserted into matching holes to align parts or carry shear loads across a joint.
Dowel bar retrofit
Dowel bar retrofit (DBR), also called load transfer restoration, is a concrete pavement rehabilitation technique that installs steel dowel bars across transverse joints to restore load transfer between slabs.
Dowel-laminated timber
Dowel-laminated timber (DLT), also known as Brettstapel or DowelLam, is an all-wood mass timber panel in which hardwood dowels lock softwood boards together without metal fasteners or adhesives.
Dower House
Dower House: name shared by several English listed buildings, chiefly the Grade I James Wyatt house (1796-1816) at Dodington Park, South Gloucestershire, originally a dairy and Roman-style bath house; other Dower Houses in Weybridge, Quatt, Melbourne, and Crawley.
Dowex
Dowex is a brand of ion exchange resins produced by Dow Chemical for water treatment, chemical processing, and catalysis; the line was rebranded under DuPont's Amber series in 2019.
Dowletabat-Deryalyk Gas Pipeline
The Dowletabat-Deryalyk Gas Pipeline (Döwletabat-Derýalyk) carries natural gas in Turkmenistan from the Dowletabat field to the Deryalyk compressor station as part of the Central Asia–Center system.
Downhole heat exchanger
A downhole heat exchanger extracts geothermal heat inside a wellbore through a closed loop of circulating fluid, eliminating surface discharge and the need for reinjection wells.
Download
A download, also called downline loading, is the transfer of a file or other data from a remote system to a local one, typically over the Internet.
Download manager
A download manager is application software for retrieving files over HTTP and FTP using parallel segments, resuming, and scheduling; examples include Internet Download Manager, Free Download Manager, and aria2.
Downside Abbey
Downside Abbey is a former Benedictine monastery in Stratton-on-the-Fosse, Somerset, founded at Douai in 1606 and holding the largest monastic library and archive in the UK.
Downstream (petroleum industry)
Downstream, also known as the downstream oil industry, is the petroleum industry term for refining crude oil into fuels and marketing them, contrasted with upstream production.
Downstream processing
Downstream processing is the sequence of operations that isolates and purifies a biological product, such as a vaccine or therapeutic protein, from cell culture or fermentation.
Downtown MRT line
The Downtown MRT line, or DTL, is a fully underground, driverless MRT in Singapore. It runs 42 km from Bukit Panjang to Expo, serving 35 stations and 11 interchanges.
Downtown Seattle Transit Tunnel
The Downtown Seattle Transit Tunnel, also known as the Seattle Transit Tunnel, is a 1.3-mile bus and light rail tunnel under downtown Seattle, opened in 1990.
Doximity
Doximity is a San Francisco company operating the largest U.S. medical professional network, a HIPAA-compliant platform used by over 80% of American physicians and more than 3 million registered members.
Doxo
Doxo is a Seattle-based financial technology company, founded in 2008, whose bill-payment platform lists over 115,000 billers; it paid $2.1 million in 2026 to settle FTC allegations.
DP Technology
深势科技, or DP Technology, is a Beijing AI for Science startup founded in 2018 by Zhang Linfeng and Sun Weijie that builds molecular simulation models for drug and battery R&D.
DP World
DP World, also known as Dubai Ports World (موانئ دبي العالمية), is a Dubai-based state-owned company that operates ports and terminals in over 69 countries.
DPA-2
DPA-2 (deep potential attention-2) is a large atomic model for molecular and materials simulation, introduced in December 2023 and pre-trained across diverse systems for fine-tuning and distillation.
DPLL(T)
DPLL(T) is a satisfiability modulo theories architecture that combines a DPLL SAT solver with specialized theory solvers to decide first-order formulas in theories like equality and arithmetic, introduced at CAV 2004.
DPM-Solver
DPM-Solver is a family of training-free ODE solvers, introduced in 2022 by Tsinghua University researchers, that cuts diffusion model sampling from hundreds of steps to about 10 to 20.
DPP-based small-molecule donors
DPP-based small-molecule donors are conjugated organic molecules built around the diketopyrrolopyrrole (DPP) chromophore that act as electron donors in organic solar cells, reaching power conversion efficiencies up to 12%.
DR Class 243
DR Class 243 was a universal electric locomotive of the East German Deutsche Reichsbahn, built by LEW Hennigsdorf from 1984 to 1991 with a top speed of 120 km/h.
DR Class 250
The DR Class 250, renumbered DB Class 155 after German reunification, was a heavy six-axle electric freight locomotive built by LEW Hennigsdorf for East Germany's Deutsche Reichsbahn.