All articles starting with H
20,046 articles
HPC, Cord Blood
HPC, Cord Blood is the FDA proper name for allogeneic umbilical cord blood hematopoietic progenitor cell products (Hemacord, Ducord, REGENECYTE) licensed for unrelated-donor transplantation to reconstitute blood and immunity in hematopoietic disorders.
HPCG
HPCG, the High Performance Conjugate Gradient benchmark, ranks high-performance computing systems by solving a sparse linear system, complementing the HPL benchmark used for the TOP500 list.
HPE Growth
HPE Growth is an Amsterdam-based European growth-equity firm founded by Tim van Delden, investing in European fintech and software companies such as PPRO and WeTransfer.
hping
hping is an open-source command-line packet generator and analyzer for TCP/IP networks, created by Salvatore Sanfilippo in 1998. Its current version, hping3, sends custom TCP, UDP, ICMP, and raw IP packets.
HPLC-DAD analysis
HPLC-DAD analysis is an analytical chemistry method that separates mixtures by HPLC while a diode-array detector records complete UV-Vis spectra, yielding time, wavelength, and absorbance data.
Hpnotiq
Hpnotiq: aqua-blue French-made liqueur of tropical fruit juices, vodka, and cognac, 17% ABV, created in 2001 by Raphael Yakoby, popularized through hip-hop, and the base of the Incredible Hulk cocktail.
HPPO process
The HPPO process (hydrogen peroxide to propylene oxide) is an industrial route that makes propylene oxide from propylene and hydrogen peroxide over a titanium silicalite catalyst, producing only water as a co-product.
HPR1000
The HPR1000, marketed as Hualong One (华龙一号), is a Chinese third-generation pressurized water reactor developed jointly by CNNC and CGN; its first unit, Fuqing Unit 5, entered commercial operation in January 2021.
Hps Mezzanine Private Investors
HPS Mezzanine Private Investors is a family of five mezzanine fund vehicles of HPS Investment Partners that reported about $2.64 billion raised between 2012 and 2020.
HPV self-collection
HPV self-collection is a cervical cancer screening method in which a person collects their own vaginal sample, tested for 14 high-risk HPV types as primary screening.
HPV self-sampling
HPV self-sampling is a cervical cancer screening method in which a person collects their own vaginal specimen for high-risk HPV DNA testing, raising participation among people who decline clinician-collected sampling.
HPV testing
HPV testing, also known as the HPV DNA test, detects high-risk human papillomavirus DNA or mRNA in cervical or vaginal samples to screen for cervical cancer, the WHO-recommended primary screening method.
HPV vaccine
HPV vaccine (Gardasil 9, Cervarix, Cecolin): prophylactic vaccine against human papillomavirus, first approved 2006, preventing cervical and other cancers; CDC routine at 11-12, WHO supports 1- or 2-dose schedules.
HQ-9 (红旗-9)
HQ-9 (红旗-9), China's first indigenous long-range area air defense SAM family from CASIC/CPMIEC, related to the S-300 and Patriot; variants HQ-9A/B/C, naval HHQ-9B, exports FD-2000 and FT-2000.
HR 2562
HR 2562 is an F-type star about 111 light-years away in Pictor, host to a directly imaged companion discovered in 2016 that orbits within its debris disk's inner hole.
HR 810
HR 810 (iota Horologii, HD 17051) is a young Sun-like star 56 light-years away in Horologium hosting HR 810 b, a Jupiter-like gas giant found by radial velocity in 1999 in a near-Earth-like 320-day, 0.925 AU orbit.
HR 858
HR 858 (TOI-396, TIC 178155732) is a naked-eye F6 V star about 32 parsecs away in a visual binary with an M dwarf, hosting three confirmed transiting super-Earths of ~2 Earth radii with periods of 3.59, 5.97, and 11.23 days, discovered by TESS in 2019.
HR 8799
HR 8799 is a young A-type star about 130 light-years from Earth in Pegasus, the first multi-planet system beyond the Solar System ever photographed, with four giant planets.
HR Del
HR Del, also known as Nova Delphini 1967, is a classical nova in the constellation Delphinus discovered by amateur astronomer George Alcock in July 1967.
HR Path
HR Path, founded in Paris in 2001 as CBL Consulting, is an independent HR software and services group with 2,600 employees across 30 countries, valued near $1 billion in 2026.
HR-cSCC study
HR-cSCC (NCT05246228) is a prospective observational Italian study of 42 patients with high-risk cutaneous squamous cell carcinoma, testing whether post-radiotherapy lymphopenia (ALC below 500 cells/mL) predicts disease-free survival.
Hrachya Petikyan
Hrachya Petikyan (Հրաչյա Պետիկյան), also Grachya Vaganovich Petikyan, Armenian rifle shooter born 1960 in Yerevan; 1992 Olympic champion in 50 m rifle three positions for the Unified Team, competing at four Games 1988–2000.
Hrad Vallis
Hrad Vallis, an Amazonian-age Martian outflow channel in the Elysium Volcanic Province, about 800 km long and 370 m deep; named 1985 from Armenian for "Mars"; origin debated between water floods and lava.
Hradčany
Hradčany is the castle district of Prague, the quarter west of Prague Castle that became a town around 1320 and forms part of Prague's UNESCO World Heritage center.
Hrafna-Flóki Vilgerðarson
Hrafna-Flóki Vilgerðarson, or Raven-Floki, is a Norwegian Viking of the Landnámabók who released three ravens to find Iceland, wintered there around 865, and named it after seeing pack ice.
Hrant Shahinyan
Hrant Shahinyan (Հրանտ Շահինյան, 1923–1996), Armenian artistic gymnast for the Soviet Union; first Armenian champion of the modern Olympics, with two golds (team, rings) and two silvers at Helsinki 1952.
HRAS
HRAS (Harvey rat sarcoma viral oncogene homolog), a proto-oncogene on 11p15.5, was the first human oncogene cloned (1982, T24 bladder carcinoma). Germline activating mutations cause Costello syndrome; somatic HRAS mutations are rare in cancer.
Hratch G. Semerjian
Hratch G. Semerjian is an American measurement scientist and engineering executive who spent 30 years at NIST, serving as Acting Director and pioneering combustion and laser diagnostics research.
Hrdayarnava Rasa
Hridayarnava Rasa (Hridayarnava Ras), a Kharaliya Rasayana herbo-mineral Ayurvedic formulation of purified mercury, sulphur, and Tamra Bhasma with Triphala and Kakamachi, indicated for Hridroga, especially Kaphaja heart disease.
HRDC domain
HRDC domain (helicase and RNaseD C-terminal domain), ~80-amino-acid five-helix bundle at the C-terminus of RecQ helicases such as BLM and WRN and of RNase D; modulates DNA binding, substrate specificity, and unwinding rates.