OpenURL Connection Search

Select item for more details and to access through your institution.

Reconstructing solar magnetic fields from historical observations: IV. Testing the reconstruction method.
Published in:
Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 627, p. 1, doi. 10.1051/0004-6361/201935606
By:
- Virtanen, I. O. I.;
- Virtanen, I. I.;
- Pevtsov, A. A.;
- Bertello, L.;
- Yeates, A.;
- Mursula, K.
Publication type:
Article
Reconstructing solar magnetic fields from historical observations: II. Testing the surface flux transport model.
Published in:
Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 604, p. 1, doi. 10.1051/0004-6361/201730415
By:
- Virtanen, I. O. I.;
- Virtanen, I. I.;
- Pevtsov, A. A.;
- Yeates, A.;
- Mursula, K.
Publication type:
Article
Estrogen treatment of dunning tumors in castrated rats: Qualitative and quantitative morphology.
Published in:
Prostate, 1992, v. 20, n. 3, p. 199, doi. 10.1002/pros.2990200305
By:
- Landström, M.;
- Bergh, A.;
- Thornell, L.-E.;
- Virtanen, I.;
- Damber, J.-E.
Publication type:
Article
Blood vessels of human islets of Langerhans are surrounded by a double basement membrane.
Published in:
Diabetologia, 2008, v. 51, n. 7, p. 1181, doi. 10.1007/s00125-008-0997-9
By:
- Virtanen, I.;
- Banerjee, M.;
- Palgi, J.;
- Korsgren, O.;
- Lukinius, A.;
- Thornell, L.-E.;
- Kikkawa, Y.;
- Sekiguchi, K.;
- Hukkanen, M.;
- Konttinen, Y.;
- Otonkoski, T.
Publication type:
Article
Neurofibromatosis tumor and skin cells in culture.
Published in:
Acta Neuropathologica, 1984, v. 63, n. 4, p. 269, doi. 10.1007/BF00687332
By:
- Peltonen, J.;
- Näntö-Salonen, K.;
- Aho, H.;
- Kouri, T.;
- Virtanen, I.;
- Penttinents, R.
Publication type:
Article
Smoking and Its Determinants among Iranian Dental Students.
Published in:
Medical Principles & Practice, 2010, v. 19, n. 5, p. 390, doi. 10.1159/000316379
By:
- Khami, M. R.;
- Murtomaa, H.;
- Razeghi, S.;
- Virtanen, J. I.
Publication type:
Article
Study Motives and Career Choices of Iranian Dental Students.
Published in:
Medical Principles & Practice, 2008, v. 17, n. 3, p. 221, doi. 10.1159/000117796
By:
- Khami, M. R.;
- Murtomaa, H.;
- Jafarian, M.;
- Vehkalahti, M. M.;
- Virtanen, J. I.
Publication type:
Article
Fibronectin in adhesion, spreading and cytoskeletal organization of cultured fibroblasts.
Published in:
Nature, 1982, v. 298, n. 5875, p. 660, doi. 10.1038/298660a0
By:
- Virtanen, I.;
- Vartio, T.;
- Badley, R. A.;
- Lehto, V.-P.
Publication type:
Article
Basal lamina glycoproteins are produced by neuroblastoma cells.
Published in:
Nature, 1980, v. 287, n. 5781, p. 465, doi. 10.1038/287465a0
By:
- Alitalo, K.;
- Kurkinen, M.;
- Vaheri, A.;
- Virtanen, I.;
- Rohde, H.;
- Timpl, R.
Publication type:
Article
Expression of Snail protein in tumor–stroma interface.
Published in:
Oncogene, 2006, v. 25, n. 37, p. 5134, doi. 10.1038/sj.onc.1209519
By:
- Francí, C.;
- Takkunen, M.;
- Dave, N.;
- Alameda, F.;
- Gómez, S.;
- Rodríguez, R.;
- Escrivà, M.;
- Montserrat-Sentís, B.;
- Baró, T.;
- Garrido, M.;
- Bonilla, F.;
- Virtanen, I.;
- García de Herreros, A.
Publication type:
Article
A Cluster Randomised Trial of Effectiveness of Educational Intervention in Primary Health Care on Early Childhood Caries.
Published in:
Caries Research, 2009, v. 43, n. 2, p. 110, doi. 10.1159/000209343
By:
- Mohebbi, S. Z.;
- Virtanen, J. I.;
- Vahid-Golpayegani, M.;
- Vehkalahti, M. M.
Publication type:
Article
EISCAT Observations of Depleted High‐Latitude F‐Region During an HSS/SIR‐Driven Magnetic Storm.
Published in:
Journal of Geophysical Research. Space Physics, 2024, v. 129, n. 9, p. 1, doi. 10.1029/2024JA032910
By:
- Ellahouny, N. M.;
- Aikio, A. T.;
- Vanhamäki, H.;
- Virtanen, I. I.;
- Cai, L.;
- Marchaudon, A.;
- Blelly, P.‐L.;
- Coster, A.;
- Norberg, J.;
- Maute, A.;
- Oyama, S.‐I.
Publication type:
Article
Volumetric Reconstruction of Ionospheric Electric Currents From Tri‐Static Incoherent Scatter Radar Measurements.
Published in:
Journal of Geophysical Research. Space Physics, 2024, v. 129, n. 8, p. 1, doi. 10.1029/2024JA032744
By:
- Reistad, J. P.;
- Hatch, S. M.;
- Laundal, K. M.;
- Oksavik, K.;
- Zettergren, M.;
- Vanhamäki, H.;
- Virtanen, I.
Publication type:
Article
Effect of Polar Cap Patches on the High‐Latitude Upper Thermospheric Winds.
Published in:
Journal of Geophysical Research. Space Physics, 2024, v. 129, n. 8, p. 1, doi. 10.1029/2024JA032819
By:
- Cai, L.;
- Aikio, A.;
- Oyama, S.;
- Ivchenko, N.;
- Vanhamäki, H.;
- Virtanen, I.;
- Buchert, S.;
- Mekuriaw, M. L.;
- Zhang, Y.
Publication type:
Article
F<sub>1</sub> Region Ion Composition in Svalbard During the International Polar Year 2007–2008.
Published in:
Journal of Geophysical Research. Space Physics, 2024, v. 129, n. 3, p. 1, doi. 10.1029/2023JA032202
By:
- Virtanen, Ilkka I.;
- Tesfaw, Habtamu W.;
- Aikio, Anita T.;
- Varney, Roger;
- Kero, Antti;
- Thomas, Neethal
Publication type:
Article
A Comparative Assessment of the Distribution of Joule Heating in Altitude as Estimated in TIE‐GCM and EISCAT Over One Solar Cycle.
Published in:
Journal of Geophysical Research. Space Physics, 2023, v. 128, n. 12, p. 1, doi. 10.1029/2023JA031526
By:
- Baloukidis, D.;
- Sarris, T.;
- Tourgaidis, S.;
- Pirnaris, P.;
- Aikio, A.;
- Virtanen, I.;
- Buchert, S.;
- Papadakis, K.
Publication type:
Article
Characteristics of Auroral Electron Precipitation at Geomagnetic Latitude 67° Over Tromsø.
Published in:
Journal of Geophysical Research. Space Physics, 2023, v. 128, n. 7, p. 1, doi. 10.1029/2023JA031382
By:
- Tesfaw, Habtamu W.;
- Virtanen, Ilkka I.;
- Aikio, Anita T.
Publication type:
Article
Model‐Free Approach for Regional Ionospheric Multi‐Instrument Imaging.
Published in:
Journal of Geophysical Research. Space Physics, 2023, v. 128, n. 1, p. 1, doi. 10.1029/2022JA030794
By:
- Norberg, J.;
- Käki, S.;
- Roininen, L.;
- Mielich, J.;
- Virtanen, I. I.
Publication type:
Article
Precipitating Electron Energy Spectra and Auroral Power Estimation by Incoherent Scatter Radar With High Temporal Resolution.
Published in:
Journal of Geophysical Research. Space Physics, 2022, v. 127, n. 4, p. 1, doi. 10.1029/2021JA029880
By:
- Tesfaw, Habtamu W.;
- Virtanen, Ilkka I.;
- Aikio, Anita T.;
- Nel, Amoré;
- Kosch, Michael;
- Ogawa, Yasunobu
Publication type:
Article
Bayesian Filtering in Incoherent Scatter Plasma Parameter Fits.
Published in:
Journal of Geophysical Research. Space Physics, 2021, v. 126, n. 3, p. 1, doi. 10.1029/2020JA028700
By:
- Virtanen, Ilkka I.;
- Tesfaw, Habtamu W.;
- Roininen, Lassi;
- Lasanen, Sari;
- Aikio, Anita
Publication type:
Article
An Ephemeral Red Arc Appeared at 68° MLat at a Pseudo Breakup During Geomagnetically Quiet Conditions.
Published in:
Journal of Geophysical Research. Space Physics, 2020, v. 125, n. 10, p. 1, doi. 10.1029/2020JA028468
By:
- Oyama, S.;
- Shinbori, A.;
- Ogawa, Y.;
- Kellinsalmi, M.;
- Raita, T.;
- Aikio, A.;
- Vanhamäki, H.;
- Shiokawa, K.;
- Virtanen, I.;
- Cai, L.;
- Workayehu, A. B.;
- Pedersen, M.;
- Kauristie, K.;
- Tsuda, T. T.;
- Kozelov, B.;
- Demekhov, A.;
- Yahnin, A.;
- Tsuchiya, F.;
- Kumamoto, A.;
- Kasahara, Y.
Publication type:
Article
Fabry‐Perot Interferometer Observations of Thermospheric Horizontal Winds During Magnetospheric Substorms.
Published in:
Journal of Geophysical Research. Space Physics, 2019, v. 124, n. 5, p. 3709, doi. 10.1029/2018JA026241
By:
- Aikio, A.;
- Vanhamäki, H.;
- Virtanen, I.;
- Cai, L.;
- Oyama, S.
Publication type:
Article
Polarization Electric Field Inside Auroral Patches: Simultaneous Experiment of EISCAT Radars and KAIRA.
Published in:
Journal of Geophysical Research. Space Physics, 2019, v. 124, n. 5, p. 3543, doi. 10.1029/2018JA026254
By:
- Takahashi, Toru;
- Ogawa, Yasunobu;
- Miyaoka, Hiroshi;
- Virtanen, Ilkka I.;
- Aikio, Anita;
- Hosokawa, Keisuke;
- Kero, Antti
Publication type:
Article
IPIM Modeling of the Ionospheric F<sub>2</sub> Layer Depletion at High Latitudes During a High‐Speed Stream Event.
Published in:
Journal of Geophysical Research. Space Physics, 2018, v. 123, n. 8, p. 7051, doi. 10.1029/2018JA025744
By:
- Marchaudon, A.;
- Blelly, P.‐L.;
- Grandin, M.;
- Aikio, A.;
- Kozlovsky, A.;
- Virtanen, I.
Publication type:
Article
Electron Energy Spectrum and Auroral Power Estimation From Incoherent Scatter Radar Measurements.
Published in:
Journal of Geophysical Research. Space Physics, 2018, v. 123, n. 8, p. 6865, doi. 10.1029/2018JA025636
By:
- Virtanen, Ilkka I.;
- Gustavsson, Björn;
- Aikio, Anita;
- Kero, Antti;
- Asamura, Kazushi;
- Ogawa, Yasunobu
Publication type:
Article
Swarm Satellite and EISCAT Radar Observations of a Plasma Flow Channel in the Auroral Oval Near Magnetic Midnight.
Published in:
Journal of Geophysical Research. Space Physics, 2018, v. 123, n. 6, p. 5140, doi. 10.1029/2018JA025409
By:
- Aikio, A. T.;
- Vanhamäki, H.;
- Workayehu, A. B.;
- Virtanen, I. I.;
- Kauristie, K.;
- Juusola, L.;
- Buchert, S.;
- Knudsen, D.
Publication type:
Article
Plasma parameter estimation from multistatic, multibeam incoherent scatter data.
Published in:
Journal of Geophysical Research. Space Physics, 2014, v. 119, n. 12, p. 10528, doi. 10.1002/2014JA020540
By:
- Virtanen, I. I.;
- McKay-Bukowski, D.;
- Vierinen, J.;
- Aikio, A.;
- Fallows, R.;
- Roininen, L.
Publication type:
Article
Broadband meter-wavelength observations of ionospheric scintillation.
Published in:
Journal of Geophysical Research. Space Physics, 2014, v. 119, n. 12, p. 10544, doi. 10.1002/2014JA020406
By:
- Fallows, R. A.;
- Coles, W. A.;
- McKay-Bukowski, D.;
- Vierinen, J.;
- Virtanen, I. I.;
- Postila, M.;
- Ulich, Th.;
- Enell, C-F.;
- Kero, A.;
- Iinatti, T.;
- Lehtinen, M.;
- Orispää, M.;
- Raita, T.;
- Roininen, L.;
- Turunen, E.;
- Brentjens, M.;
- Ebbendorf, N.;
- Gerbers, M.;
- Grit, T.;
- Gruppen, P.
Publication type:
Article
The wide skirt of the bashful ballerina: Hemispheric asymmetry of the heliospheric magnetic field in the inner and outer heliosphere.
Published in:
Journal of Geophysical Research. Space Physics, 2012, v. 117, n. A8, p. n/a, doi. 10.1029/2011JA017197
By:
- Mursula, K.;
- Virtanen, I. I.
Publication type:
Article
Asymmetry of solar polar fields and the southward shift of HCS observed by Ulysses.
Published in:
Journal of Geophysical Research. Space Physics, 2010, v. 115, n. A9, p. n/a, doi. 10.1029/2010JA015275
By:
- Virtanen, I. I.;
- Mursula, K.
Publication type:
Article
Missing Teeth and Prosthetic Treatment in Patients Treated at College of Dentistry, University of Dammam.
Published in:
International Journal of Dentistry, 2017, p. 1, doi. 10.1155/2017/7593540
By:
- Fouda, Shaimaa M.;
- Al-Harbi, Fahad A.;
- Khan, Soban Q.;
- Virtanen, Jorma I.;
- Raustia, Aune
Publication type:
Article
Studies on the winter hardiness of clover. I. Effect of cutting on the carbohydrate reserves in red clover roots.
Published in:
Journal of Agricultural Science, 1936, v. 26, n. 2, p. 288, doi. 10.1017/S0021859600021985
By:
- Virtanen, Artturi I.;
- Nurmia, Manne
Publication type:
Article
Investigations on the root nodule bacteria of leguminous plants. XVII. Continued investigations on the effect of air content of the medium on the development and function of the nodule.
Published in:
Journal of Agricultural Science, 1936, v. 26, n. 2, p. 281, doi. 10.1017/S0021859600021973
By:
- Virtanen, Artturi I.;
- Hausen, Synnöve v.
Publication type:
Article
Investigations on the root nodule bacteria of leguminous plants. XVI. Effect of air content of the medium on the function of the nodule and on the excretion of nitrogen.
Published in:
Journal of Agricultural Science, 1935, v. 25, n. 2, p. 278, doi. 10.1017/S002185960000976X
By:
- Virtanen, Artturi I.;
- von Hausen, Synnöve
Publication type:
Article
Investigations on the root nodule bacteria of leguminous plants. XVII. efficiency of different strains of clover nodule bacteria.
Published in:
Journal of Agricultural Science, 1935, v. 25, n. 2, p. 290, doi. 10.1017/S0021859600009771
By:
- Virtanen, Artturi I.;
- von Hausen, Synnöve
Publication type:
Article
Poor parental sleep and the reported sleep quality of their children.
Published in:
Acta Pediátrica Española, 2016, v. 74, n. 5, p. 141
By:
- Rönnlund, H.;
- Elovainio, M.;
- Virtanen, I.;
- Martomäki, J.;
- Lapinleimu, H.
Publication type:
Article
The Convergence of the Hedgehog/Intein Fold in Different Protein Splicing Mechanisms.
Published in:
International Journal of Molecular Sciences, 2020, v. 21, n. 21, p. 8367, doi. 10.3390/ijms21218367
By:
- Beyer, Hannes M.;
- Virtanen, Salla I.;
- Aranko, A. Sesilja;
- Mikula, Kornelia M.;
- Lountos, George T.;
- Wlodawer, Alexander;
- Ollila, O. H. Samuli;
- Iwaï, Hideo
Publication type:
Article
Dental public health education in Egypt: a cross-sectional survey.
Published in:
BMC Medical Education, 2023, v. 23, n. 1, p. 1, doi. 10.1186/s12909-023-04888-9
By:
- Gouda, Haya;
- Virtanen, Jorma I.;
- El Tantawi, Maha
Publication type:
Article
Distribution of prosome proteins and their relationship with the cytoskeleton in oogenesis of Xenopus laevis.
Published in:
Molecular Reproduction & Development, 1994, v. 37, n. 2, p. 195, doi. 10.1002/mrd.1080370210
By:
- Ryabova, L. V.;
- Virtanen, I.;
- Olink-Coux, M.;
- Scherrer, K.;
- Vassetzky, S. G.
Publication type:
Article
Contractile proteins and nonerythroid spectrin in oogenesis of Xenopus laevis.
Published in:
Molecular Reproduction & Development, 1994, v. 37, n. 1, p. 99, doi. 10.1002/mrd.1080370114
By:
- Ryabova, L. V.;
- Virtanen, I.;
- Wartiovaara, J.;
- Vassetzky, S. G.
Publication type:
Article
Immunohistochemical Demonstration of Tenascin in the Normal Human Limbus with Special Reference to Trabeculectomy.
Published in:
Ophthalmic Research, 1990, v. 22, n. 2, p. 128, doi. 10.1159/000267012
By:
- Tervo, T.;
- van Setten, G.-B.;
- Lehto, I.;
- Tervo, K.;
- Tarkkanen, A.;
- Virtanen, I.
Publication type:
Article
Human smooth muscle autoantibodies reacting with intermediate (100 Å) filaments.
Published in:
Nature, 1977, v. 268, n. 5617, p. 240, doi. 10.1038/268240a0
By:
- KURKI, P.;
- LINDER, E.;
- VIRTANEN, I.;
- STENMAN, S.
Publication type:
Article
A global survey of national oral health policies and its coverage for young children.
Published in:
Frontiers in Oral Health, 2024, p. 1, doi. 10.3389/froh.2024.1362647
By:
- Gaffar, Balgis;
- Schroth, Robert J.;
- Foláyan, Moréniké Oluwátóyìn;
- Ramos-Gomez, Francisco;
- Virtanen, Jorma I.
Publication type:
Article
A global survey of national oral health policies and its coverage for young children.
Published in:
Frontiers in Oral Health, 2024, p. 1, doi. 10.3389/froh.2024.1362647
By:
- Gaffar, Balgis;
- Schroth, Robert J.;
- Foláyan, Moréniké Oluwátóyìn;
- Ramos-Gomez, Francisco;
- Virtanen, Jorma I.
Publication type:
Article
Does dental hygienist professional education meet the needs of working life? Educators' views.
Published in:
International Journal of Dental Hygiene, 2018, v. 16, n. 1, p. 134, doi. 10.1111/idh.12309
By:
- Jokiaho, T‐L;
- Kaakinen, P.;
- Virtanen, J. I.
Publication type:
Article
Working profiles of dental hygienists in public and private practice in Finland and Norway.
Published in:
International Journal of Dental Hygiene, 2009, v. 7, n. 1, p. 17, doi. 10.1111/j.1601-5037.2008.00314.x
By:
- Tseveenjav, B.;
- Virtanen, J. I.;
- Wang, N. J.;
- Widström, E.
Publication type:
Article
Unique basement membrane structure of human pancreatic islets: implications for β-cell growth and differentiation.
Published in:
Diabetes, Obesity & Metabolism, 2008, v. 10, p. 119, doi. 10.1111/j.1463-1326.2008.00955.x
By:
- Otonkoski, T.;
- Banerjee, M.;
- Korsgren, O.;
- Thornell, L.-E.;
- Virtanen, I.
Publication type:
Article
Physical activity, BMI and oral health behaviour among adolescents: Finnish School Health Promotion Study.
Published in:
European Journal of Public Health, 2019, v. 29, n. 2, p. 296, doi. 10.1093/eurpub/cky193
By:
- Virtanen, Jorma I;
- Muikku, Tuija;
- Similä, Toni;
- Cinar, Ayse B;
- Pohjola, Vesa
Publication type:
Article
Bayesian statistical ionospheric tomography improved by incorporating ionosonde measurements.
Published in:
Atmospheric Measurement Techniques Discussions, 2016, v. 9, n. 4, p. 1859, doi. 10.5194/amt-9-1859-2016
By:
- Kauristie, Kirsti;
- Norberg, Johannes;
- Roininen, Lassi;
- Orispää, Mikko;
- Lehtinen, Markku S.;
- Virtanen, Ilkka I.;
- Vierinen, Juha
Publication type:
Article
Ionosonde measurements in Bayesian statistical ionospheric tomography with incoherent scatter radar validation.
Published in:
Atmospheric Measurement Techniques Discussions, 2015, v. 8, n. 9, p. 9823, doi. 10.5194/amtd-8-9823-2015
By:
- Norberg, J.;
- Virtanen, I. I.;
- Roininen, L.;
- Vierinen, J.;
- Orispää, M.;
- Kauristie, K.;
- Lehtinen, M. S.
Publication type:
Article

Found: 247