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Yuanfudao (猿辅导)

Yuanfudao (猿辅导) is a Beijing-based Chinese online-education company founded in 2012, which claimed to be the world's most valuable edtech unicorn in 2020 at US$15.5 billion.

Yuangui

Yuangui (元珪) was a Chinese Buddhist monk of Mount Song (644–716) who trained in the vinaya at Xianju Temple and awakened to Chan in the Shaolin lineage.

Yuanhe Guoji Bu

The Yuanhe Guoji Bu (元和國計簿) is a lost ten-juan statistical register of Tang dynasty territories, taxes, and army, compiled by Li Jifu during the Yuanhe era.

Yuanhe Maps and Gazetteer of Prefectures and Counties

The Yuanhe Maps and Gazetteer of Prefectures and Counties (元和郡县图志) is a Tang dynasty gazetteer completed by Li Jifu in 813, the earliest extant national geography of China.

Yuanhe Restoration

The Yuanhe Restoration (元和中興) was the brief revival of Tang court authority under Emperor Xianzong, who reversed the appeasement policy toward regional military governors before it collapsed after his death.

Yuanji Qiwei

原机启微 (原機啟微, Yuanji Qiwei) is a 1370 two-volume Chinese ophthalmology treatise by Yuan physician Ni Weide, organizing eye disease into 18 cause-based patterns; transmitted via Xue Ji's edition and reprinted in Japan in 1654.

Yuanjia Calendar

The Yuanjia Calendar is a Chinese calendar devised by He Chengtian in 443, used in southern China for 65 years and adopted by Baekje before replacement by Zu Chongzhi's calendar.

Yuanjia northern expeditions

The Yuanjia northern expeditions (元嘉北伐) were two failed offensives launched by Emperor Wen of Song against Northern Wei in 430 and 450, the second ending in a Wei counter-invasion.

Yuanjian Zhang

Yuanjian Zhang is a Chinese chemist and professor at Southeast University in Nanjing since 2012 who leads the Carbosensing group, known for carbon nitride electrochemiluminescent biosensing.

Yuanjing

Yuanjing (元静, 1065–1135), also called Daoxing, was a Song-dynasty Chan monk of the Linji Yangqi line who studied under Wuzu Fayan and died aged seventy-one.

Yuanli Semiconductor

Yuanli Semiconductor (原粒半导体) is a Beijing-based Chinese startup, founded in 2023, that develops edge-side AI inference chips, including the CCS-1 chip for running large AI models locally.

Yuanling Gucheng

Yuanling Gucheng (苑陵故城) is an ancient walled city site in Xinzheng, Henan, dated to the Eastern Zhou, Qin, and Han periods and possibly the Western Zhou capital of the Kui state.

Yuanping

Yuanping (原平市, formerly Guo County 崞县) is a county-level city of Shanxi, China, administered by Xinzhou, covering about 2,550 km² in the Xinding Basin. Known for coal-machinery manufacturing, coal, aluminum, and pear production, with Tianyashan 4A scenic area.

Yuansha Ancient City

圆沙古城 (Yuansha Ancient City), also called 尤木拉克库木古城, is a circular Han-era walled city 230 km north of Yutian, Xinjiang, in the Taklamakan on the Keriya River's fossil channel; proposed as the original capital of the Yumi kingdom.

Yuanshan Formation

The Yuanshan Formation is an Early Cambrian rock unit in Yunnan, China, host of the Chengjiang biota, one of the most significant soft-bodied Cambrian fossil assemblages.

Yuanta Financial Holding

Yuanta Financial Holding (元大金融控股公司) is a Taiwan-based, securities-led financial holding company, listed on the Taiwan Stock Exchange since 2002, with brokerage, banking, and insurance subsidiaries.

Yuanxin Technology

圆心科技 (Yuanxin Technology) is a Beijing-based internet healthcare and pharmacy group founded by He Tao in March 2015, running the Miaoshou Doctor platform, Yuanxin Pharmacy, and Yuanxin Huibao insurance technology.

Yuanxin Technology Group (圆心科技集团) (Yuanxin Yiyao)

Yuanxin Technology Group (圆心科技集团) is a Chinese internet healthcare and prescription-drug retail group founded in Beijing in 2015 by He Tao, known for Miaoshou Doctor and Yuanxin Pharmacy, and later listed in Hong Kong.

Yuanyang Lake power station

Yuanyang Lake power station, also known as Shenhua Yuanyang Lake power station, is a coal-fired power station in Lingwu, Ningxia, China, with at least 3,520 megawatts of capacity.

Yuanyou Factional Struggles

The Yuanyou Factional Struggles (元祐党争) were the Northern Song court conflicts of the Yuanyou reign, 1086 to 1093, in which the anti-reform Old Party fractured internally.

Yuanyou Partisan Proscriptions

The Yuanyou Partisan Proscriptions (元祐党禁) were a Northern Song political purge under Emperor Huizong, placing Yuanyou-era officials on a proscribed register whose stone steles stood across the empire until 1106.

Yuanyuan Qu

Yuanyuan Qu (圓圓曲, The Song of Yuanyuan) is a long narrative poem by the early Qing poet Wu Weiye about the courtesan Chen Yuanyuan and the Ming general Wu Sangui.

Yuanyuan Zhou

Yuanyuan Zhou (周圆圆) is a materials scientist who is Acting Head of the Department of Materials at the Hong Kong University of Science and Technology, known for work on perovskite solar cells.

Yuanyue Liu

Yuanyue Liu is a computational materials scientist and associate professor at the University of Texas at Austin who develops atomistic modeling methods for electronics and energy materials.

Yuanzheng Yue

Yuanzheng Yue (born 1958) is a professor of chemistry at Aalborg University, Denmark, known for work on the glass transition, glass fibers, and MOF glasses for batteries.

Yuba City, California

Yuba City is a city in Sutter County, California, near the Feather River and Sutter Buttes, 40 miles north of Sacramento. Population about 70,000; hub of the Yuba-Sutter agricultural region and a major Punjabi Sikh community.

Yuba County Five

Yuba County Five: five disabled California men who vanished after a February 24, 1978 Chico basketball game; car found 70 miles off-route, four found dead, Gary Mathias never found.

Yubico

Yubico is a Swedish cybersecurity company founded in Stockholm in 2007 by Stina and Jakob Ehrensvärd, maker of the YubiKey hardware security key and co-inventor of the FIDO U2F and WebAuthn standards.

YubiKey

YubiKey, Yubico's battery-free USB/NFC hardware security key: multi-protocol authenticator (FIDO2/WebAuthn, U2F, OTP, OATH, PIV, OpenPGP) on an Infineon SLE78 secure element with locked firmware, 100 passkeys on firmware 5.7/5.8, FIPS 140-3 Level 2 validation.

Yubileynoye 1

Yubileynoye 1 (Юбилейное I) is an ancient Hellenistic-Roman rural settlement and fortified estate on the Taman Peninsula, Russia, cited as BAtlas 87 M2; excavated by E.A. Savostina from 1983, it yielded the marble Taman stele and a limestone battle frieze reused in its foundations.