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Qinghai–Tibet railway
Qinghai–Tibet railway (青藏铁路), the 1,956-km Xining–Golmud–Lhasa line opened July 1, 2006; world's highest railway at 5,072 m Tanggula Pass, crossing roughly 550–632 km of permafrost with active-cooling roadbeds and pressurised oxygen-enriched carriages.
Qinghe power station
Qinghe power station (清河发电厂) is a coal-fired power station in Qinghe, Tieling, Liaoning, China, operated by Liaoning Qinghe Power Generation Co under State Power Investment Corporation.
Qinghuang Lin (林庆煌)
Qinghuang Lin (林庆煌) is a materials engineer working on photoresists, lithography, and semiconductor nanofabrication, elected a foreign member of the US National Academy of Engineering in 2024.
Qingqi
Qingqi (轻骑, "light cavalry") is a Chinese motorcycle brand founded in Jinan, Shandong, in 1956, whose name became the generic Pakistani term for a motorized rickshaw.
Qingshan power station
Qingshan power station (青山热电厂), also known as Sujiawan power station, is a 1,030 MW coal-fired cogeneration plant in Qingshan District, Wuhan, Hubei, built as a Soviet-aided project.
Qingshen Gas Field
The Qingshen Gas Field (庆深气田) is a large volcanic-rock natural gas field in China's Songliao Basin, Heilongjiang, operated by PetroChina's Daqing Oilfield since its 2002 discovery.
QingTao Energy
QingTao Energy (清陶能源) is a Chinese battery manufacturer in Kunshan, Suzhou, founded in 2016 from Tsinghua University's Nan Cewen lab, making solid-state and semi-solid-state lithium batteries.
Qingyang Oil and Gas Field
The Qingyang (庆阳) Oil and Gas Field is an onshore gas field in the Ordos Basin, Gansu Province, China, operated by PetroChina Changqing Oilfield Branch.
Qingyu Yan
Qingyu Yan (颜清宇), also known as Alex Yan, is a professor at Nanyang Technological University in Singapore who researches thermoelectric materials, batteries, and electrocatalysis, and won the Nanyang Research Award in 2024.
Qingyuan hydroelectric plant
Qingyuan hydroelectric plant, or Qingyuan Pumped Storage Power Station (清远抽水蓄能电站), is a 1,280 MW pumped-storage station near Guangzhou, Guangdong, China, and the first built solely by China Southern Power Grid.
Qingzi Oil Pipeline
The Qingzi Oil Pipeline (青淄输油管线) is an operating crude oil pipeline in Shandong, China, carrying imported crude from Qingdao's Dongjiakou Port to refineries in Zibo.
Qinhuangdao 32-6 Oil Field
Qinhuangdao 32-6 Oil Field (秦皇岛32-6油田, often abbreviated QHD 32-6) is a heavy-oil field in Bohai Bay, China, discovered by CNOOC in 1995 and producing since 2001.
Qinhuangdao-2 power station
Qinhuangdao-2 power station is a coal-fired combined heat and power plant in Haigang District, Qinhuangdao, Hebei, China, the main heating source for about a million residents.
Qinling power station
Qinling power station (华能秦岭发电厂) is a 1,320 MW coal-fired power station in Huayin, Shaanxi, China, operated by China Datang and once the largest thermal plant in northwest China.
Qinshan nuclear power plant
Qinshan nuclear power plant (秦山核电站) is a nuclear power station in Haiyan County, Zhejiang, China, whose Unit 1 was the first nuclear plant designed and built on the Chinese mainland.
Qinshui CBM Gas Field
The Qinshui CBM Gas Field is a coalbed methane production complex in the Qinshui Basin of Shanxi Province, China, the first commercial high-rank CBM development in the world.
Qinzhou power station
Qinzhou power station (钦州电厂) is a 5,900 MW coal-fired power station in Qinzhou, Guangxi, China, on the coast of the Beibu Gulf, owned by SDIC Power.
Qinzhou-III power station
Qinzhou-III power station (国投钦州电厂三期) is a 4 x 660 MW ultra-supercritical coal-fired power station at Qinzhou Port, Guangxi, China, whose units reached commercial operation between December 2023 and September 2026.
Qiquan Qiao
Qiquan Qiao, known professionally as Quinn Qiao, is a professor and chair of Mechanical and Aerospace Engineering at Syracuse University who researches solar cells and solid-state batteries.
Qitaihe power station
Qitaihe power station, also known as Datang Qitaihe power station, is a 1,900 MW coal-fired power plant in Qitaihe, Heilongjiang, China, owned by Datang International.
Qiyuan Xindongli (启源芯动力)
Qiyuan Xindongli (启源芯动力), formally Shanghai Qiyuan Xindongli Technology, is a Chinese heavy-truck battery-swap operator founded in Shanghai in 2020 under SPIC, China's largest, with over 1,800 stations and controlled by CATL since 2026.
QK-norm and normalization placement
QK-norm is a training-stability technique for transformer language models that normalizes query and key projections before attention, introduced in 2020 and adopted in OLMo 2 and Qwen3-8B.
QLED
QLED is a Samsung marketing term for LED-backlit LCD TVs with an added quantum dot layer that widens color, launched as a TV line in 2017 and since adopted by other brands.
Qlik
Qlik, formerly QlikTech International, is a software company founded in 1993 in Lund, Sweden, best known for its associative data engine and the QlikView and Qlik Sense analytics platforms.
QLoRA
QLoRA is a fine-tuning method introduced at the University of Washington in 2023 that fine-tunes a frozen 4-bit quantized language model through 16-bit low-rank adapters.
QM9
QM9 is a quantum-chemistry dataset published in 2014 with computed geometric, energetic, electronic, and thermodynamic properties for about 134,000 small organic molecules of C, H, O, N, and F.
QMCPACK
QMCPACK is an open-source, high-performance electronic structure code implementing Quantum Monte Carlo methods for atoms, molecules, and periodic solid-state systems, developed for supercomputers and GPUs.
QMIX
QMIX is a multi-agent reinforcement learning algorithm that decomposes the joint action-value function into per-agent utilities with a monotonic mixing network, introduced at ICML 2018.
QNED
QNED is a television brand name used by LG Electronics for its premium LCD TVs, introduced in 2021, combining quantum dot and NanoCell color technology with a Mini LED backlight.
Qnity Electronics
Qnity Electronics, Inc. is an American specialty materials company for semiconductor manufacturing, spun off from DuPont on November 1, 2025, and traded on the NYSE under the symbol Q.