Blar i Fakultet for naturvitenskap (NV) på tittel

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    • The role of life history and movement in spatial population synchrony: Theoretical and empirical investigations 

      Martin, Ellen Claire (Doctoral theses at NTNU;2023:367, Doctoral thesis, 2023)
      Spatial population synchrony, the correlated fluctuation of population abundances in different places, is common between populations of the same species and an important predictor of extinction risk. Spatially separated ...

    • Role of Lone Pair Cations in Ferroelectric Tungsten Bronzes 

      Olsen, Gerhard Henning; Sørby, Magnus Helgerud; Selbach, Sverre Magnus; Grande, Tor (Journal article; Peer reviewed, 2017)
      The role of lone pair cations in tetragonal tungsten bronze (TTB) ferroelectrics has so far not been addressed in detail despite the importance of lone pairs for the polarization mechanism in the prototype ferroelectric ...

    • The role of manipulating photoperiod and temperature in oocyte development of the polychaete hediste diversicolor (O.F. Müller, 1976) 

      Wang, Haiqing; Hagemann, Andreas; Malzahn, Arne; Handå, Aleksander; Uhre, Marianne; Kjørsvik, Elin; Reitan, Kjell Inge (Peer reviewed; Journal article, 2020)
      Three different experiments were conducted to examine the oocyte development of the polychaete Hediste diversicolor in response to changing photoperiod and temperature at three different periods of oogenesis. In experiment ...

    • The role of mechanoperception in plant cell wall integrity maintenance 

      Bacete, Laura; Hamann, Thorsten (Peer reviewed; Journal article, 2020)
      The plant cell walls surrounding all plant cells are highly dynamic structures, which change their composition and organization in response to chemical and physical stimuli originating both in the environment and in plants ...

    • Role of molybdenum in corrosion of iron-based alloys in contact with hydrogen sulfide containing solution. 

      Genchev, Georgi; Bosch, Christoph; Wanzenberg, Elke; Erbe, Andreas (Journal article; Peer reviewed, 2017)
      A sample iron molybdenum alloy with 3.4 wt% (2 at%) molybdenum, and pure iron, are exposed to hydrogen sulfide saturated saline solution for up to 56 days. In addition, their behavior under anodic polarization in the same ...

    • The role of natural science collections in the biomonitoring of environmental contaminants in apex predators in support of the EU’s zero pollution ambition 

      Movalli, Paola; Koschorreck, Jan; Treu, Gabriele; Slobodnik, Jaroslav; Alygizakis, Nikiforos; Androulakakis, Andreas; Badry, Alexander; Baltag, Emanuel; Barbagli, Fausto; Bauer, Kevin; Biesmeijer, Koos; Borgo, Enrico; Cincinelli, Alessandra; Claßen, Daniela; Danielsson, Sara; Dekker, René; Dietz, Rune; Eens, Marcel; Espín, Silvia; Eulaers, Igor; Frahnert, Sylke; Fuiz, Tibor I.; García-Fernández, Antonio J.; Fuchs, Jérôme; Gkotsis, Georgios; Glowacka, Natalia; Gómez Ramírez, Pilar; Grotti, Marco; Hosner, Peter A:; Johansson, Ulf; Jaspers, Veerle Leontina B; Koureas, Dimitris; Krone, Oliver; Kubin, Eero; Lefevre, Christine; Leivits, Madis; Brutto, Sabrina Lo; Lopes, Ricardo Jorge; Lourenço, Rui; Lymberakis, Petros; Madslien, Knut; Martellini, Tania; Mateo, Rafael; Nika, Maria-Christina; Osborn, Dan; Oswald, Peter; Pauwels, Olivier; Pereira, MGlória; Pezzo, Francesco; Sánchez-Virosta, Pablo (Peer reviewed; Journal article, 2022)
      The chemical industry is the leading sector in the EU in terms of added value. However, contaminants pose a major threat and significant costs to the environment and human health. While EU legislation and international ...

    • The role of parapodia and lack of photoacclimation in kleptoplasts of the sacoglossan sea slug Plakobranchus ocellatus 

      Dona, Angela; Evertsen, Jussi; Johnsen, Geir (Peer reviewed; Journal article, 2022)
      The sacoglossan sea slug Plakobranchus ocellatus is a pantropical gastropod that pilfers and incorporates algal chloroplasts (kleptoplasts) into its digestive cells and benefits from the production of photosynthate. It is ...

    • Role of Pitting in the Formation of Potholes in Carbon Cathodes - A Review 

      Senanu, Samuel; Grande, Tor; Ratvik, Arne Petter (Journal article, 2016)

    • The role of plant functional groups mediating climate impacts on carbon and biodiversity of alpine grasslands 

      Vandvik, Vigdis; Althuizen, Inge; Jaroszynska, Francesca; Krüger, Linn Cecilie; Lee, Hanna; Goldberg, Deborah E.; Klanderud, Kari; Olsen, Siri Lie; Telford, Richard James; Hjortland Östman, Silje Andrea; Busca, Sara; Dahle, Ingrid Johnsen; Egelkraut, Dagmar Dorothea; Geange, Sonya Rita; Gya, Ragnhild; Lynn, Joshua Scott; Meineri, Eric Pierre F; Young, Sherry; Halbritter Rechsteiner, Aud Helen (Peer reviewed; Journal article, 2022)
      Plant removal experiments allow assessment of the role of biotic interactions among species or functional groups in community assembly and ecosystem functioning. When replicated along climate gradients, they can assess ...

    • Role of Pore-Size Distribution on Effective Rheology of Two-Phase Flow in Porous Media 

      Roy, Subhadeep; Sinha, Santanu; Hansen, Alex (Peer reviewed; Journal article, 2021)
      Immiscible two-phase flow of Newtonian fluids in porous media exhibits a power law relationship between flow rate and pressure drop when the pressure drop is such that the viscous forces compete with the capillary forces. ...

    • The role of pressure and defects in the wurtzite to rock salt transition in cadmium selenide 

      Lervik, Anders; Svenum, Ingeborg-Helene; Wang, Zhaohui; Cabriolu, Raffaela; Riccardi, Enrico; Andersson, Stefan; van Erp, Titus Sebastiaan (Peer reviewed; Journal article, 2022)
      Using molecular dynamics and path sampling techniques we investigated the effect of pressure and defects in the wurtzite to rock salt transition in cadmium selenide (CdSe). In the pressure range 2–10 GPa, rate constants ...

    • Role of protein self-association on DNA condensation and nucleoid stability in a bacterial cell model 

      Dias, Rita (Journal article; Peer reviewed, 2019)
      Bacterial cells do not have a nuclear membrane that encompasses and isolates the genetic material. In addition, they do not possess histone proteins, which are responsible for the first levels of genome condensation in ...

    • Role of protozooplankton in the diet of North Sea autumn spawning herring (Clupea harengus) larvae 

      Bils, Franziska; Aberle-Malzahn, Nicole; Van Damme, Cindy J.G.; Peck, Myron A.; Moyano, Marta (Peer reviewed; Journal article, 2022)
      The role of small prey (<200 µm) in larval marine fsh nutrition is largely understudied. Here, we explore the contribution of protozooplankton (PZP 20–200 µm) to larval fsh diets, compared to metazoan microzooplankton (MZP ...

    • The role of seasonal migration in spatial population synchrony 

      Martin, Ellen Claire; Hansen, Brage Bremset; Herfindal, Ivar; Lee, Aline Magdalena (Peer reviewed; Journal article, 2023)
      Spatially synchronized population dynamics are common in nature, and understanding their causes is key for predicting species persistence. A main driver of synchrony between populations of the same species is shared ...

    • The role of seasonality in shaping the interactions of honeybees with other taxa 

      Wirta, Helena; Jones, Mirkka; Peña-Aguilera, Pablo; Chacón-Duque, Camilo; Vesterinen, Eero; Ovaskainen, Otso Tapio; Abrego, Nerea; Roslin, Tomas (Peer reviewed; Journal article, 2023)
      The Eltonian niche of a species is defined as its set of interactions with other taxa. How this set varies with biotic, abiotic and human influences is a core question of modern ecology. In seasonal environments, the ...

    • The role of silicon nitride crucible materials on silicon ingots contamination 

      Ferreira Dias, Goncalo Rafael (Master thesis, 2017)
      This work focuses on the characterisation of the solid diffusion mechanism of iron and titanium impurities in a silicon nitride crucible, as a substitute for silica crucibles currently used for solar cells production. This ...

    • Role of the quenched disorder in fracture front propagation 

      Gjerden, Knut Skogstrand (Doktoravhandlinger ved NTNU, 1503-8181; 2013:81, Doctoral thesis, 2013)
      The process of materials fracture is not yet understood across all levels. This thesis contains detailed description on a model of in-plane fracture along with results obtained using this model. The results from the model ...

    • Rom for læring: Hva kan erfaringer fra autentisk naturvitenskapeligarbeid bidra med i klasserommet? 

      Mehli, Hanne (Doktoravhandlinger ved NTNU, 1503-8181; 2014:92, Doctoral thesis, 2014)
      Arbeidet presentert i denne avhandlingen har tatt for seg tiltak for lærere og fysikkelever som har foregått i regi av Nasjonalt senter for romrelatert opplæring (NAROM) ved Andøya Rakettskytefelt. Disse tiltakene har gitt ...

    • Room Geometries with non-classical Reverberation Times 

      Fjærli, Asta Rønning (Master thesis, 2015)
      In this Master s thesis, it has been examined whether it is possible to find rooms of such a geometry that the reverberation time becomes shorter than the predicted value of Sabine and Eyring. This was investigated using ...

    • Room temperature mechanical properties of A356 alloy with Ni additions from 0.5 Wt to 2 Wt% 

      Lattanzi, Lucia; Di Giovanni, Maria Teresa; Giovagnoli, Maverick; Fortini, Annalisa; Merlin, Mattia; Casari, Daniele; Di Sabatino Lundberg, Marisa; Cerri, Emanuela; Garagnani, Gian Luca (Journal article; Peer reviewed, 2018)
      In recent years, the influence of Ni on high-temperature mechanical properties of casting Al alloys has been extensively examined in the literature. In the present study, room temperature mechanical properties of an A356 ...