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Chimney drain
A chimney drain is a vertical or near-vertical drainage element inside an embankment dam, running from abutment to abutment, that intercepts seepage and protects the core against internal erosion.
Chimp optimization algorithm
The chimp optimization algorithm (ChOA) is a swarm-based metaheuristic for continuous optimization, introduced by Khishe and Mosavi in 2020 and modeled on chimpanzee group hunting.
China Academy of Aerospace Aerodynamics
The China Academy of Aerospace Aerodynamics (中国航天空气动力技术研究所) is a Chinese aerodynamics and wind tunnel research institute in Beijing, founded in 1956 by Qian Xuesen, that develops the CH Rainbow drones.
China Academy of Launch Vehicle Technology
China Academy of Launch Vehicle Technology (中国运载火箭技术研究院, CALT) is China's largest missile and launch vehicle developer and maker of most Long March rockets, founded in Beijing in 1957.
China Academy of Space Technology
The China Academy of Space Technology (CAST; 中国空间技术研究院), established in 1968, is China's primary organization for designing and manufacturing satellites and spacecraft, based in Beijing.
China Advanced Research Reactor
The China Advanced Research Reactor (CARR, 中国先进研究堆) is a 60 MW research reactor in Beijing, built by the China Institute of Atomic Energy and first critical in 2010.
China Aerospace Science and Industry Corporation
China Aerospace Science and Industry Corporation (中国航天科工集团, CASIC) is a Chinese state-owned defense conglomerate headquartered in Beijing, specializing in missile weapon systems, air and missile defense, and aerospace electronics.
China AI red-teaming competitions (2024)
A 2024 series of Chinese adversarial-attack competitions, led by the Global AI Defense Challenge co-hosted by Ant Group, where participants jailbroke large language and multimodal AI models.
China Airlines (中华航空)
China Airlines, also known as Zhōnghuá Hángkōng, is the largest airline based in Taiwan. Founded in 1959, it is government-owned and joined the SkyTeam alliance in 2011.
China Airlines Flight 006
China Airlines Flight 006 was a passenger flight from Taipei to Los Angeles that nosedived nearly 30,000 feet on February 19, 1985, before landing safely in San Francisco.
China Airlines Flight 140
China Airlines Flight 140 was an Airbus A300 flight from Taipei that crashed on approach to Nagoya, Japan, on April 26, 1994, killing 264 of 271 people.
China Airlines Flight 611 (中华航空611号班机)
China Airlines Flight 611 (中华航空611号班机) was a Boeing 747 flight from Taipei to Hong Kong that broke up in flight on May 25, 2002, killing all 225 aboard.
China and weapons of mass destruction
China has one of the world's largest weapons of mass destruction arsenals, including around 620 nuclear warheads as of January 2026, 45 nuclear tests, and a no-first-use policy.
China Artificial Intelligence Industry Development Alliance
The China Artificial Intelligence Industry Development Alliance (AIIA, 中国人工智能产业发展联盟) is a Chinese AI industry association founded in Beijing in 2017, with over 1,300 members by 2025.
China Automotive Technology and Research Center
The China Automotive Technology and Research Center (CATARC) is a Chinese state-owned automotive research and testing organization in Tianjin that runs the C-NCAP crash safety program.
China Certified Emission Reduction
The China Certified Emission Reduction (CCER) is a government-administered voluntary carbon credit scheme in China, launched in 2012, suspended in 2017, and relaunched with trading resuming in Beijing in 2024.
China Certified Emission Reduction (CCER)
China Certified Emission Reduction (CCER), or 中国核证自愿减排量, is a Chinese carbon credit usable to offset up to 5 percent of obligations under China's emissions trading system.
China Classification Society
China Classification Society (中国船级社, CCS) is China's national classification society, founded in 1956 and headquartered in Beijing, which surveys ships and offshore installations and performs statutory certification.
China Coal Guangyuan power station
China Coal Guangyuan power station (中煤广元燃煤电一体化项目) is a 2,000 MW ultra-supercritical coal-fired power station in Baolun Town, Guangyuan, Sichuan, owned by China National Coal Group, whose first unit entered commercial operation in June 2026.
China Coal Pingshuo Group
China Coal Pingshuo Group is a large coal mining company in the Pingshuo mining area of Shanxi Province, China, operating super-large surface and underground mines.
China Communications Standards Association (中国通信标准化协会)
The China Communications Standards Association (中国通信标准化协会, CCSA) is a Chinese non-profit organization, founded in 2002, through which companies, operators, and universities draft ICT standards; it is a 3GPP Organizational Partner.
China Datang Group
China Datang Group, formally China Datang Corporation, is one of the five state-owned power generation companies created when China's State Power Corporation was broken up in 2002.
China Eastern Airlines (中国东方航空股份有限公司)
China Eastern Airlines, also known as China Eastern Airlines Corporation Limited, is a Shanghai-based Chinese airline and one of China's three major carriers, flying nearly 800 aircraft.
China Eastern Airlines Flight 5735
China Eastern Airlines Flight 5735 (MU5735), Boeing 737-800 B-1791, Kunming–Guangzhou, crashed 21 March 2022 near Wuzhou, Guangxi, killing all 132; cause officially undetermined, FDR data released by NTSB in 2026.
China Electricity Council
The China Electricity Council (中国电力企业联合会, CEC) is a non-profit trade association of China's power enterprises, founded in 1988 and headquartered in Beijing; it is the principal compiler of China's electricity industry statistics.
China Energy Conservation and Environmental Protection Group
China Energy Conservation and Environmental Protection Group, abbreviated CECEP, is a Chinese centrally administered state-owned enterprise specializing in energy conservation, environmental protection, and clean energy.
China Energy Label
The China Energy Label (中国能效标识) is the mandatory energy-efficiency label that manufacturers must affix to products sold in China, in effect since March 1, 2005.
China Experimental Fast Reactor
The China Experimental Fast Reactor (CEFR) is a 20 MW sodium-cooled fast reactor at the China Institute of Atomic Energy near Beijing, first critical in 2010.
China Fusion Engineering Test Reactor
The China Fusion Engineering Test Reactor (中国聚变工程试验堆, CFETR) is a proposed superconducting tokamak, designed from 2011 to bridge ITER and a future Chinese demonstration fusion power plant.
China General Nuclear Power Group
China General Nuclear Power Group (中国广核集团, CGN), formerly China Guangdong Nuclear Power Group, is a state-owned Chinese energy company founded in 1994 and headquartered in Shenzhen.