Browsing Fakultet for naturvitenskap (NV) by Title
Now showing items 5347-5366 of 12479
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Hydrogen permeation in different microstructures of 66SiMnCrMo6-6-4 steel
(Master thesis, 2023)Diffusiviteten til hydrogen i stål er bestemmes av ulike mekanismer som forårsaker sprøhet. Avhengig av mikrostrukturen kan hydrogensprøhet være forårsaket av mange typer mekanismer, som derfor gjør det utfordrende å forutsi ... -
Hydrogen Porosity in Al-Si Foundry Alloys
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:3, Doctoral thesis, 2010)Aluminium alloys based on the aluminium-silicon system are popular for automotive and aerospace applications, thanks to their high strength to weight ratio, excellent castability, and corrosion resistance. Microporosity ... -
Hydrogen production by catalytic partial oxidation of methane
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:327, Doctoral thesis, 2008)Hydrogen production by catalytic partial oxidation of natural gas was investigated using tools ranging from theoretical calculations to experimental work and sophisticated characterization techniques. Catalytic partial ... -
Hydrogen production combining Steam Methane Reforming with Cryogenic Carbon Capture
(Master thesis, 2023)Formålet med denne rapporten var å utføre et litteratursøk og simulering av produksjon av hydrogen ved dampmetanreformering med kryogen karbonfangst, for så å skape en modell som beskriver prosessen. En modell for ... -
Hydrogen production from biomass derived compounds by sorption enhanced reforming
(Master thesis, 2013)Sorption enhance steam reforming (SESR) is a technique which involves the integration of three reactions in one stage; namely steam reforming (SR), water gas shift (WGS) and CO2 sorption This project was developed to study ... -
Hydrogen Storage in Mg-based Alloys Nanostructured by Rapid Solidification
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:197, Doctoral thesis, 2011) -
Hydrogen sulfide removal from natural gas using membrane technology: a review
(Peer reviewed; Journal article, 2021)Natural gas, having a significantly lower CO2 emission factor than oil and coal when combusted, is accepted as an important transition fuel towards carbon net-zero society. To meet the calorific value requirements (≥34.0 ... -
Hydrogen Sulfide Solubility in 50 wt.% and 70 wt.% Aqueous Methyldiethanolamine at Temperatures from 283 to 393 K and Total Pressures from 500 to 10000 kPa
(Peer reviewed; Journal article, 2020)The hydrogen sulfide (H2S) absorption capacity of a 70 wt% aqueous methyldiethanolamine (MDEA) solution was investigated in a static-analytic apparatus at temperatures of 283, 353 and 393 K and pressures of 2000, 6000 and ... -
Hydrogen-Based Iron Recovery from Bauxite Residue
(Bachelor thesis, 2022)Valorisering av bauksittavfall er essensielt for bærekraftig produksjon av aluminium, og undersøkes videre i denne bacheloroppgaven. Hydrogenreduksjon av jernoksider i en blanding av bauksitt-avfall og kalkstein ble studert ... -
Hydrogen-Based Iron Recovery from Bauxite Residue
(Bachelor thesis, 2022)Valorisering av bauksittavfall er essensielt for bærekraftig produksjon av aluminium, og undersøkes videre i denne bacheloroppgaven. Hydrogenreduksjon av jernoksider i en blanding av bauksitt-avfall og kalkstein ble studert ... -
Hydrogen-chlorine fuel cell for production of hydrochloric acid and electric power : chlorine kinetics and cell design
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:932005:70, Doctoral thesis, 2005)This thesis work is the continuation and final part of a joint project between the Department of Materials Technology, NTNU and Norsk Hydro Research Center in Porsgrunn, looking at the possibility of using fuel cells for ... -
Hydrogenation of CO to olefins over a supported iron catalyst on MgAl2O4 spinel: effects of the spinel synthesis method
(Journal article; Peer reviewed, 2020) -
Hydrology influences breeding time in the white‑throated dipper
(Peer reviewed; Journal article, 2020)Background: Earlier breeding is one of the strongest responses to global change in birds and is a key factor determining reproductive success. In most studies of climate effects, the focus has been on large-scale environmental ... -
Hydrolysater av restråstoff fra laks (Salmo salar) - effekten av antioksidanter på kvaliteten under lagring
(Master thesis, 2020)Årlig genererer oppdrett av laks (Salmo salar) og regnbueørret (Oncorhynchus mykiss) i Norge flere hundre tusen tonn restråstoff. Dette restråstoffet inneholder verdifulle omega-3-fettsyrer og lett-fordøyelige proteiner. ... -
Hydrolyse av marint restråstoff – karakterisering av hydrolysat fra norsk vårgytende sild (Clupea harengus) og melke fra torsk (Gadus morhua Linnaeus)
(Master thesis, 2021)Abstract will be available on 2024-05-15 -
Hydrolyse av restråstoff fra regnbueørret (Oncorhynchus mykiss) - effekten av antioksidanter på kvalitet under lagring
(Master thesis, 2020)Enzymatisk hydrolyse av restråstoff fra fisk gir fiskeproteinhydrolysat (FPH) som har funksjonelle egenskaper som er egnet for matindustrien. Målet med denne oppgaven var å studere endringer i egenskaper til FPH tilsatt ... -
Hydrolyse og membranfiltrering for økt utnyttelse av seihoder – karakterisering av proteinhydrolysat og antioksidative peptider
(Master thesis, 2021)For at vi skal kunne skape og høste fra havet i fremtiden, må vi ta vare på de ressursene havet gir oss. Økt bærekraftig utnyttelse av marine ressurser kan være en av flere løsninger for å møte befolkningsvekst og overforbruk ... -
Hydrolysis activity of pyloric cecal enterocytes of brown trout (Salmo trutta) toward monoacylglycerol and lysophosphatidylcholine
(Journal article; Peer reviewed, 2018)Some lipid digestion pathways in fish deviate from those in mammals, and many differences may also be species dependent. This report describes a pathway for monoacylglycerol (MAG) and lysophospholipid absorption by intestinal ... -
Hydrolysis improves the inhibition efficacy of bovine lactoferrin against infection by SARS-CoV-2 pseudovirus
(Peer reviewed; Journal article, 2022)The entry of SARS-CoV-2 into host cells may involve the spike protein cleavage by cathepsin L (CTSL). Certain food proteins such as lactoferrin (Lf) inhibit CTSL. The current study investigated the impact of hydrolysis ... -
Hydrolysis of Cellulose using Hybrid Catalysts
(Master thesis, 2016)Catalyst plays an important role in biomass conversion. The present work will deal with preparation, characterization and application in the cellulose conversion to chemicals. The work will focus on the functionalization ...