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    • Hydrate Production Philosophy and Thermodynamic Calculations 

      Kvamme, Bjørn; Zhan, Jinzhou; Wei, Na; Sun, Wantong; Saeidi, Navid; Pei, Jun; Kuznetsova, Tatiana (Journal article; Peer reviewed, 2020)
      The amount of energy in the form of natural gas hydrates is huge and likely substantially more than twice the amount of worldwide conventional fossil fuel. Various ways to produce these hydrates have been proposed over the ...

    • Hydro-mechanical simulation and analysis of induced seismicity for a hydraulic stimulation test at the Reykjanes geothermal field, Iceland 

      Keilegavlen, Eirik; Duboeuf, Laure; Dichiarante, Anna Maria; Halldorsdottir, Sæunn; Stefansson, Ivar; Naumann, Marcel; Guðnason, Egill Árni; Ágústsson, Kristján; Eggertsson, Guðjón Helgi; Oye, Volker; Berre, Inga (Journal article; Peer reviewed, 2021)
      The combination of seismic analysis with advanced physics-based simulation provides an opportunity to further understand injection-induced fault reactivation, including the hydro-mechanical interplay between different ...

    • Hydroclimate variability was the main control on fire activity in northern Africa over the last 50,000 years 

      Moore, Harriet; Crocker, Anya; Belcher, Claire; Meckler, Anna Nele; Osborne, Colin; Beerling, David; Wilson, Paul (Journal article; Peer reviewed, 2022)
      North Africa features some of the most frequently burnt biomes on Earth, including the semi-arid grasslands of the Sahel and wetter savannas immediately to the south. Natural fires are fuelled by rapid biomass production ...

    • Hydrogen Relative Permeability Hysteresis in Underground Storage 

      Lysyy, Maksim; Fernø, Martin; Ersland, Geir (Journal article; Peer reviewed, 2022)
      Implementation of the hydrogen economy for emission reduction will require storage facilities, and underground hydrogen storage (UHS) in porous media offers a readily available large-scale option. Lack of studies on ...

    • Hydrography, circulation, and response to atmospheric forcing in the vicinity of the central Getz Ice Shelf, Amundsen Sea, Antarctica 

      Dundas, Vår Iren Hjorth; Darelius, Elin Maria K.; Daae, Kjersti; Steiger, Nadine; Nakayama, Yoshihiro; Kim, Tae-Wan (Journal article; Peer reviewed, 2022)
      Ice shelves in the Amundsen Sea are thinning rapidly as ocean currents bring warm water into the cavities beneath the floating ice. Although the reported melt rates for the Getz Ice Shelf are comparatively low for the ...

    • Hydrothermal circulation and oil migration at the root of the heterogeneous micro-structure of carbonaceous material in the 2.0 Ga Zaonega Formation, Onega Basin, Russia 

      Qu, Yuangao; Van Zuilen, Mark; Lepland, Aivo (Journal article; Peer reviewed, 2020)
      Organic-rich rocks of the 2.0 Ga Zaonega Formation, Karelia, Russia, have been studied extensively to gain understanding of the global carbon cycle and reconstruction of paleo-environments, directly after the Great Oxidation ...

    • Hydrothermal fluid flow triggered by an earthquake in Iceland 

      Geoffroy, Laurent; Dorbath, Catherine; Ágústsson, Kristján; Kristjánsdóttir, Sigríður; Flóvenz, Ólafur G.; Doubre, Cécile; Gudmundsson, Ólafur; Barreyre, Thibaut; Bazin, Sara; Franco, Aurore (Journal article; Peer reviewed, 2022)
      Microearthquake hypocenters were analyzed in the Krýsuvík geothermal area in SW-Iceland with data taken from two consecutive passive seismic surveys, 2005 and 2009. Five years prior to the 2005 survey, this area was struck ...

    • Hydrothermal liquefaction of sewage sludge anaerobic digestate for bio-oil production: Screening the effects of temperature, residence time and KOH catalyst 

      Hegdahl, Stian Hersvik; Løhre, Camilla; Barth, Tanja (Journal article; Peer reviewed, 2022)
      Due to sewage sludge being an abundant biobased resource, and with the number of biogas plants utilizing sewage sludge increasing, digested sewage sludge (DSS) is a promising feedstock for producing bio-oil. This study ...

    • Hydroxylation of the Acetyltransferase NAA10 Trp38 Is Not an Enzyme-Switch in Human Cells 

      Ree, Rasmus Moen; Krogstad, Karoline; Jakobsson, Magnus E.; Arnesen, Thomas; McTiernan, Nina (Journal article; Peer reviewed, 2021)
      NAA10 is a major N-terminal acetyltransferase (NAT) that catalyzes the cotranslational N-terminal (Nt-) acetylation of 40% of the human proteome. Several reports of lysine acetyltransferase (KAT) activity by NAA10 exist, ...

    • HYPERAKTIV: An Activity Dataset from Patients with Attention-Deficit/Hyperactivity Disorder (ADHD) 

      Hicks, Steven; Stautland, Andrea; Fasmer, Ole Bernt; Førland, Wenche; Hammer, Hugo Lewi; Halvorsen, Pål; Mjeldheim, Kristin; Ødegaard, Ketil Joachim; Osnes, Berge; Syrstad, Vigdis Elin Giæver; Riegler, Michael; Jakobsen, Petter (Chapter, 2021)
      Machine learning research within healthcare frequently lacks the public data needed to be fully reproducible and comparable. Datasets are often restricted due to privacy concerns and legal requirements that come with ...

    • Hyperferritinemi-katarakt-syndrom 

      Benneche, Andreas; Sandnes, Miriam; Bakke, Åsne; Reikvam, Håkon (Journal article; Peer reviewed, 2020)

    • Hyperferritinemia—a clinical overview 

      Sandnes, Miriam; Ulvik, Rune Johan; Vorland, Marta; Reikvam, Håkon (Journal article; Peer reviewed, 2021)
      Ferritin is one of the most frequently requested laboratory tests in primary and secondary care, and levels often deviate from reference ranges. Serving as an indirect marker for total body iron stores, low ferritin is ...

    • HyperHMM: efficient inference of evolutionary and progressive dynamics on hypercubic transition graphs 

      Moen, Marcus Theodor; Johnston, Iain George (Journal article; Peer reviewed, 2023)
      Motivation: The evolution of bacterial drug resistance and other features in biology, the progression of cancer and other diseases and a wide range of broader questions can often be viewed as the sequential stochastic ...

    • HyperKvasir, a comprehensive multi-class image and video dataset for gastrointestinal endoscopy 

      Borgli, Hanna; Thambawita, Vajira; Smedsrud, Pia H; Hicks, Steven; Jha, Debesh; Eskeland, Sigrun Losada; Randel, Kristin Ranheim; Pogorelov, Konstantin; Lux, Mathias; Dang Nguyen, Duc Tien; Johansen, Dag; Griwodz, Carsten; Stensland, Håkon Kvale; Garcia-Ceja, Enrique; Schmidt, Peter T; Hammer, Hugo Lewi; Riegler, Michael; Halvorsen, Pål; de Lange, Thomas (Journal article; Peer reviewed, 2020)
      Artificial intelligence is currently a hot topic in medicine. However, medical data is often sparse and hard to obtain due to legal restrictions and lack of medical personnel for the cumbersome and tedious process to ...

    • Hyperpolarised 13C-MRI identifies the emergence of a glycolytic cell population within intermediaterisk human prostate cancer 

      Sushentsev, Nikita; McLean, Mary A.; Warren, Anne Y.; Benjamin, Arnold J. V.; Brodie, Cara; Frary, Amy; Gill, Andrew B.; Jones, Julia; Kaggie, Joshua D.; Lamb, Benjamin W.; Locke, Matthew J.; Miller, Jodi L.; Mills, Ian; Priest, Andrew N.; Robb, Fraser J. L.; Shah, Nimish; Schulte, Rolf S.; Graves, Martin J.; Gnanapragasam, Vincent J.; Brindle, Kevin M.; Barrett, Tristan; Gallagher, Ferdia A. (Journal article; Peer reviewed, 2022)
      Hyperpolarised magnetic resonance imaging (HP 13C-MRI) is an emerging clinical technique to detect [1-13C]lactate production in prostate cancer (PCa) following intravenous injection of hyperpolarised [1-13C]pyruvate. Here ...

    • Hypersementose og endodontiske implikasjoner 

      Zakariyya, Gunel; Fristad, Inge (Journal article; Peer reviewed, 2022)
      Hypersementose er forbundet med lokale og systemiske faktorer, men etiologien er ikke godt kartlagt. Vanskeligheter med å bedømme røntgenologisk tykkelse på sementlaget ved hypersementose, vil direkte kunne påvirke beslutning ...

    • Hypertension in women: Should there be a sex-specific threshold? 

      Gerdts, Eva; de Simone, Giovanni (Journal article; Peer reviewed, 2021)
      Conventionally, hypertension is defined by the same blood pressure (BP) threshold (systolic BP ≥140 and/or diastolic BP ≥90 mmHg) in both women and men. Several studies have documented that women with hypertension are more ...

    • Hypertensive nephrosclerosis: wider kidney biopsy indications may be needed to improve diagnostics 

      Hallan, Stein; Øvrehus, Marius Altern; Bjørneklett, Rune; Aasarød, Knut Ivar; Fogo, Agnes B.; Ix, Joachim H. (Journal article; Peer reviewed, 2020-07-02)
      Background Hypertensive nephrosclerosis is the presumed underlying cause in many end‐stage kidney disease (ESKD) patients, but the diagnosis is disputed and based on clinical criteria with low diagnostic accuracy. Ob ...

    • Hypothalamic agrp and pomc mRNA Responses to Gastrointestinal Fullness and Fasting in Atlantic Salmon (Salmo salar, L.) 

      Kalananthan, Tharmini; Murashita, Koji; Rønnestad, Ivar; Ishigaki, Mitsumasa; Takahashi, Kota; Silva, Marta Sofia; Wakabayashi, Yuki; Lai, Floriana; Shimizu, Munetaka; Nilsen, Tom Ole; Martinez, Enrique Pino; Gomes, Ana S. (Journal article; Peer reviewed, 2020-02-11)
      The orexigenic agouti-related protein (AgRP) and the anorexigenic pro-opiomelanocortin (POMC) are crucial players in the control of feed intake in vertebrates, yet their role in teleosts has not been fully established. ...

    • Hypoxia adapted relative biological effectiveness models for proton therapy: a simulation study 

      Garrido Hernandez, Guillermo; Henjum, Helge; Høiskar, Marte Kåstad; Dahle, Tordis Johnsen; Redalen, Kathrine; Ytre-Hauge, Kristian Smeland (Journal article; Peer reviewed, 2022)
      In proton therapy, a constant relative biological effectiveness (RBE) factor of 1.1 is applied although the RBE has been shown to depend on factors including the Linear Energy Transfer (LET). The biological effectiveness ...