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Hearing threshold and physical performance in older people: a cross-sectional study from the HUNT4 cohort
(Peer reviewed; Journal article, 2022)Purpose: To evaluate the association between increased hearing loss and reduced physical performance in older people. Methods: Cross-sectional population-based study using data from the fourth wave of the Trøndelag Health ... -
Heart rate and QRS duration as biomarkers predict the immediate outcome from pulseless electrical activity
(Journal article; Peer reviewed, 2023)Introduction:Pulseless electrical activity (PEA) is commonly observed in in-hospital cardiac arrest (IHCA). Universally available ECG characteristics such as QRS duration (QRSd) and heart rate (HR) may develop differently ... -
Heart rate and swimming activity as indicators of post-surgical recovery time of Atlantic salmon (Salmo salar)
(Peer reviewed; Journal article, 2021)Background Fish telemetry using electronic transmitter or data storage tags has become a common method for studying free-swimming fish both in the wild and in aquaculture. However, fish used in telemetry studies must be ... -
Heart rate and swimming activity as stress indicators for Atlantic salmon (Salmo salar)
(Peer reviewed; Journal article, 2020)We investigated the relationship between telemetry measurements of heart rate and swimming activity and the physiological status in farmed Atlantic salmon (Salmo salar) to assess the potential to use telemetry measurements ... -
Heart Rate Does Not Accurately Predict Metabolic Intensity During Variable-Intensity Roller Skiing or Cycling
(Journal article; Peer reviewed, 2022)Purpose: To critically appraise the utility of heart rate (HR) and power output (PO) to predict metabolic rate (MR) and oxygen consumption ( ˙ V O 2 ) during variable-intensity roller skiing and cycling. Methods: National-level ... -
Heart rate sensor validation and seasonal and diurnal variation of body temperature and heart rate in domestic sheep
(Journal article; Peer reviewed, 2019)Advantages of low input livestock production on large pastures, including animal welfare, biodiversity and low production costs are challenged by losses due to undetected disease, accidents and predation. Precision livestock ... -
Heart rate variability in different levels of burnout – Cross-sectional study of different occupational groups heart rate variability and burnout
(Peer reviewed; Journal article, 2021)Objectives: The aim of this study was a subjective and objective stress analysis of occupational groups. Methods: The study examined 414 employees with patients or children contact on work. The age ranged from 22 ... -
Heat analysis for energy management in neighbourhoods: case study of a large housing cooperative in Norway
(Journal article; Peer reviewed, 2019)As a basis for energy management in apartment blocks, this paper characterises heat use in a large housing cooperative in Norway, with in total 1,058 apartments. Heat measurements with hourly resolution are available from ... -
Heat and electric vehicle flexibility in the European power system: A case study of Norwegian energy communities
(Peer reviewed; Journal article, 2020)This paper investigates sector coupling between the central power system and local energy communities, including heat supply for buildings and charging of electric vehicles. We propose a stochastic linear programming ... -
Heat dissipation and acoustic emission features of titanium alloys in cyclic deformation mode
(Peer reviewed; Journal article, 2021)The present work unveils the features of heat dissipation and acoustic emission accompanying the fatigue crack growth in a titanium alloy (Ti-0.8Al-0.8Mn and Ti Grade 2) using the compact tension and Charpy V-notch specimens. ... -
Heat Integration Study of CO2 Capture in Blue Hydrogen Production
(Peer reviewed; Journal article, 2023)Hydrogen is an energy carrier that can be used to develop a low-carbon economy: the hydrogen-based industry. For this purpose, a source of hydrogen is needed. Steam methane reforming (SMR) is the current benchmark to produce ... -
Heat of absorption of carbon dioxide (CO2) into aqueous N-methyldiethanolamine (MDEA) and N,N-dimethylmonoethanolamine (DMMEA)
(Journal article; Peer reviewed, 2014)In this work the heat of absorption of CO2 into aqueous solutions of N-methyldiethanolamine (MDEA) and N,N- dimethylmonoethanolamine (DMMEA) has been investigated in a reaction calorimeter. The experiments were conducted ... -
Heat of Absorption of CO2 in Aqueous Solution of DEEA, MAPA and their Mixture
(Journal article; Peer reviewed, 2013)A reaction calorimeter was used to measure the differential heat of absorption of CO2 in phase change solvents as a function of temperature, CO2 loading and solvent composition. The measurements were taken for aqueous ... -
Heat pump/chiller system for centralized kitchens in India
(Chapter, 2020)A heat pump unit using CO2 as working fluid is designed to meet not only a part of the heating demand in the centralised kitchen at The Akshaya Patra Foundation, Bengaluru, India, but also the entire cooling demand to ... -
Heat recovery ventilation design limitations due to LHC for different ventilation strategies in ZEB
(Journal article; Peer reviewed, 2022) -
Heat release rate response of azimuthal thermoacoustic instabilities in a pressurized annular combustor with methane/hydrogen flames
(Journal article; Peer reviewed, 2022)In this study, the heat release rate (HRR) response during self-excited azimuthal thermoacoustic instabilities in a pressurized annular combustor is investigated for hydrogen/methane blended flames. The equivalence ratio ... -
Heat Storage for Cooking: A Discussion on Requirements and Concepts
(Peer reviewed; Journal article, 2023)Methodologies for direct and indirect solar energy for cooking are discussed. Clean and renewable energy solutions for cooking are, in particular, in demand in the sub-Saharan region where fuel wood is the main source of ... -
Heat to H2: Using Waste Heat for Hydrogen Production through Reverse Electrodialysis
(Journal article; Peer reviewed, 2019)This work presents an integrated hydrogen production system using reverse electrodialysis (RED) and waste heat, termed Heat to H2. The driving potential in RED is a concentration difference over alternating anion and cation ... -
Heat to H2: Using Waste Heat to Set Up Concentration Differences for Reverse Electrodialysis Hydrogen Production
(Journal article; Peer reviewed, 2018)The present work suggests two concepts for producing hydrogen by reverse electrodialysis. Reverse electrodialysis is a technology that uses concentration differences to create electrical energy. In this work, the energy ... -
Heat to Hydrogen by RED—Reviewing Membranes and Salts for the RED Heat Engine Concept
(Peer reviewed; Journal article, 2022)The Reverse electrodialysis heat engine (REDHE) combines a reverse electrodialysis stack for power generation with a thermal regeneration unit to restore the concentration difference of the salt solutions. Current approaches ...