Blar i Bergen Open Research Archive på tittel
Viser treff 24307-24326 av 34059
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Pore-scale study of microbial hydrogen consumption and wettability alteration during underground hydrogen storage
(Journal article; Peer reviewed, 2023)Hydrogen can be a renewable energy carrier and is suggested to store renewable energy and mitigate carbon dioxide emissions. Subsurface storage of hydrogen in salt caverns, deep saline formations, and depleted oil/gas ... -
Pore-to-Core Laboratory Upscaling and Visualization of Enhanced Oil Recovery and CO2 Storage
(Doctoral thesis, 2015-01-09)The global energy demand increases, and the need for hydrocarbon reserve growth is evident. The maturation of hydrocarbon formations worldwide combined with declining rate of major oil and gas discoveries, have caused a ... -
PorePy: an open-source software for simulation of multiphysics processes in fractured porous media
(Journal article; Peer reviewed, 2021)Development of models and dedicated numerical methods for dynamics in fractured rocks is an active research field, with research moving towards increasingly advanced process couplings and complex fracture networks. The ... -
PoroTwin: A Digital Twin for a FluidFlower Rig
(Journal article; Peer reviewed, 2023)We present a framework for integrated experiments and simulations of tracer transport in heterogeneous porous media using digital twin technology. The physical asset in our setup is a meter-scale FluidFlower rig. The digital ... -
Porphyria cutanea tarda and patterns of long-term sick leave and disability pension: a 24-year nationwide matched-cohort study
(Journal article; Peer reviewed, 2022)Background Porphyria cutanea tarda (PCT) is a skin disorder caused by a defect in the liver enzyme uroporphyrinogen decarboxylase and is associated with hepatitis C virus infection, high alcohol intake, smoking and iron ... -
Porphyria cutanea tarda increases risk of hepatocellular carcinoma and premature death: A nationwide cohort study
(Peer reviewed; Journal article, 2019-04-03)Background Porphyria cutanea tarda (PCT) is a skin disorder originating from a deficit of the liver enzyme uroporphyrinogen decarboxylase. PCT may be a risk factor for hepatocellular carcinoma (HCC) and other cancers, but ... -
"Porque no se hace pueblo sin ellas" Kvinnelig spansk utvandring fra Sevilla 1575 - 1577
(Master thesis, 1995) -
Porta Di Ercolano-Pompeii
(Master thesis, 2023-11-20)This master thesis started as an investigation on the City gate Porta Di Ercolano in Pompeii, and the street inside and outside of this city gate. City gates was an important part of the Roman Cities, and in a lot of cases ... -
Porta Romana og Porta di Ercolano Et komparativt studie af to byporte i Ostia og Pompeji, 1-150 e.Kr.
(Master thesis, 2019-07-04)I denne masteropgave følges udviklingen ved byportene Porta di Ercolano i Pompeji, og Porta Romana i Ostia, i perioden 1 til 150 e.Kr. Det er særligt sammenspillet mellem byportene og de tilstødende områder, der er i fokus, ... -
Portal and umbilical venous distribution in the human fetus : a longitudinal ultrasound study
(Doctoral thesis, 2007-06-26)Knowledge of the venous perfusion of the human fetal liver is fragmentary and mainly limited to the umbilical circulation. Current ultrasound technology makes it possible to study blood flow noninvasively and to give new ... -
Portals to the unseen Re-inventing ayahuasca practices, shamanism, and the anthropologist in the entheogenic field
(Master thesis, 2021-08-02) -
Porteføljeoptimering og diversifiseringsfordeler. Kan en optimeringsalgoritme basert på Markowitz middelverdi-varians-teori (MVT) forbedres med alternative risikobegrep og med lineær optimeringsalgoritme?
(Master thesis, 2019-12)Bakgrunn: I porteføljeteori velges en portefølje av verdipapirer for å minimere risiko for en gitt forventet avkastning. Med utgangspunkt i Markowitz porteføljeteori hvor risiko er definert ved varians, vil andre definisjoner ... -
Porteño logics. The Meaning of Taste and Morality in Social Classification in Buenos Aires
(Master thesis, 2003) -
Portfolio allocation under asymmetric dependence in asset returns using local Gaussian correlations
(Journal article; Peer reviewed, 2021)It is well known that there are asymmetric dependence structures between financial returns. This paper describes a portfolio selection method rooted in the classical mean–variance framework that incorporates such asymmetric ... -
Portfolio Contracts In Supply Chain Risk Management: Analysis of Procurement Strategy with System Dynamics Models
(Master thesis, 2008-06-04)This paper presents a simulation study on procurement contract management. The purpose of the study is to develop a general framework for supply contracts, which aims to drive costs down and reduce risks of inventory and ... -
Portfolio Optimization and Diversification Benefits: A Local Gaussian Correlation Approach
(Master thesis, 2019-06-22) -
Portfolio Optimization in a Lévy Market with Intertemporal Substitution and Transaction Costs
(Department of Applied Mathematics report, Research report, 2000-05) -
Portfolio Optimization with PCC-GARCH-CVaR model
(Master thesis, 2014-06-02)This thesis investigates the Conditional Value-at-Risk (CVaR) portfolio optimization approach combined with a univariate GARCH model and pair-copula constructions (PCC) to determine the optimal asset allocation for a ... -
The portrait face : understanding realism and verism in Greek and Roman portraiture
(Papers and monographs from the Norwegian Institute at Athens;Volume 11, Book, 2021) -
The portrayal of Working-Class speech in British film: a study of accent in British films from the 1960s and the 2000s
(Master thesis, 2009-11-20)The aim of this thesis has been to investigate the portrayal of working-class accents in British films over a period of 40 years. The hypothesis expects that there will be fewer instances of non-standard accent variants ...