Zobrazeno 1 - 10
of 2 946
pro vyhledávání: '"P. Björnsson"'
Autor:
M. Ahmed, A. Habib, M.M. Nawal, M.M.H. Saikot, M.A.H. Chowdhury, M.A. Hoque, A.K.M. Asaduzzaman, H. Pálsson, P. Björnsson
Publikováno v:
Case Studies in Thermal Engineering, Vol 49, Iss , Pp 103377- (2023)
This study utilized deep learning to analyse bubble images of R134a fluid produced on bare and novel oleophilic coated stainless steel heat exchanger plates to compare the heat transfer performance in terms of bubble parameters. This work was carried
Externí odkaz:
https://doaj.org/article/4398faecb90544a8a99aeecab1861252
Autor:
Krogager, J. -K., De Cia, A., Heintz, K. E., Fynbo, J. P. U., Christensen, L. B., Björnsson, G., Jakobsson, P., Jeffreson, S., Ledoux, C., Møller, P., Noterdaeme, P., Palmerio, J., Vergani, S. D., Watson, D.
Publikováno v:
MNRAS 535, 561 (2024)
We study the properties of long gamma-ray burst (GRB) host galaxies using a statistical modelling framework derived to model damped Lyman-$\alpha$ absorbers (DLAs) in quasar spectra at high redshift. The distribution of NHI for GRB-DLAs is $\sim$10 t
Externí odkaz:
http://arxiv.org/abs/2411.03818
Autor:
Mariano, Lorenzo A., Nguyen, Vu Ha Anh, Petersen, Jonatan B., Björnsson, Magnus, Bendix, Jesper, Eaton, Gareth R., Eaton, Sandra S., Lunghi, Alessandro
Magnetic resonance is a prime method for the study of chemical and biological structures and their dynamical processes. The interpretation of these experiments relies on considering the spin of electrons as the sole relevant degree of freedom. By app
Externí odkaz:
http://arxiv.org/abs/2407.01380
Publikováno v:
GCB Bioenergy, Vol 16, Iss 12, Pp n/a-n/a (2024)
ABSTRACT Promoting the bioeconomy to aid in the achievement of sustainability goals has increased demand for biomass as feedstock. Residual biomass from agricultural production is an attractive option, as it is a by‐product that does not compete wi
Externí odkaz:
https://doaj.org/article/c806bbfa04fb4097bc28014f73af66cd
Publikováno v:
Hypertension in Pregnancy, Vol 43, Iss 1 (2024)
Background Predicting severe preeclampsia with need for intensive care is challenging. To better predict high-risk pregnancies to prevent adverse outcomes such as eclampsia is still an unmet need worldwide. In this study we aimed to develop a predict
Externí odkaz:
https://doaj.org/article/902fb8c1b1ce409693b07bc16d50e4be
Autor:
Ola Björnsson, Per Tunestål
Publikováno v:
Energies, Vol 17, Iss 22, p 5693 (2024)
Knock detection is critical for maintaining engine performance and preventing damage in spark-ignition engines. This study explores the use of ion current and knock indicators derived from a vibration sensor (KIv) and ion current (KIi) to improve kno
Externí odkaz:
https://doaj.org/article/b125c52e442c4370a6755158fc39d4a8
Autor:
Heintz, K. E., Björnsson, G., Neeleman, M., Christensen, L., Fynbo, J. P. U., Jakobsson, P., Krogager, J. -K., Laskar, T., Ledoux, C., Magdis, G., Møller, P., Noterdaeme, P., Schady, P., Postigo, A. de Ugarte, Valentino, F., Watson, D.
We present a pilot search of CO emission in three H$_2$-absorbing, long-duration gamma-ray burst (GRB) host galaxies at z~2-3. We used the Atacama Large Millimeter/sub-millimeter Array (ALMA) to target the CO(3-2) emission line and report non-detecti
Externí odkaz:
http://arxiv.org/abs/2108.00714
The relative stability of a localized and delocalized electronic state in the same molecule, the N,N' -Dimethylpiperazine cation, is calculated at various levels of theory up to multireference configuration interaction (MRCI+Q). This system has recei
Externí odkaz:
http://arxiv.org/abs/2007.06125
Autor:
Lundqvist, P., Lundqvist, N., Vlahakis, C., Björnsson, C. -I., Dickel, J. R., Matsuura, M., Shibanov, Yu. A., Zyuzin, D. A., Olofsson, G.
We present observations of the pulsar-wind nebula (PWN) region ofSNR 0540-69.3. The observations were made with the Atacama Compact Array (ACA) in Bands 4 and 6. We also add radio observations from the Australia Compact Array (ATCA) at 3 cm. For 1.44
Externí odkaz:
http://arxiv.org/abs/2006.05222
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