Aerated concrete microwave reflection and transmission properties in a wet environmentKoppel, Tarmo; Vilcane, Inese; Mironovs, Viktors; Shishkin, Andrei; Rubene, Sanita; Tint, PiiaVide. Tehnologija. Resursi : XI starptautiskas zinatniski praktiskas konferences materiali 2017. gada 15.-17. junijs. 3. sejums = Environment. Technology. Resources : proceedings of the 11th International Scientific and Practical Conference. Volume III2017 / p. 145-149 : ill https://doi.org/10.17770/etr2017vol3.2619 Case-control study on occupational exposure to extremely low-frequency electromagnetic fields and glioma riskCarlberg, Michael; Koppel, Tarmo; Ahonen, Mikko; Hardell, LennartAmerican journal of industrial medicine2017 / p. 494-503 : ill https://doi.org/10.1002/ajim.22707 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Case-control study on occupational exposure to extremely low-frequency electromagnetic fields and the association with acoustic neuromaCarlberg, Michael; Koppel, Tarmo; Ahonen, Mikko; Hardell, LennartEnvironmental research2020 / art. 109621, 7 p. : ill https://doi.org/10.1016/j.envres.2020.109621 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Cellular structures from perforated metallic tape and its application for electromagnetic shielding solutionsMironovs, V.; Lisicins, Mihails; Koppel, TarmoAgronomy research2014 / p. 279-284 : ill https://agronomy.emu.ee/tag/including-built-in-buildings-coll-et-al/ Journal metrics at Scopus Article at Scopus Cellular tubular structures from perforated metallic tape and its applicationMironovs, Viktors; Boiko, Irina; Koppel, Tarmo; Lisicins, MihailsAgronomy research2016 / p. 1053-1062 : ill http://ise.elnet.ee/record=b2891944~S1*est Journal metrics at Scopus Article at Scopus Changing of magnetic flux density distribution in a squirrel-cage induction motor with broken rotor barsVaimann, Toomas; Belahcen, Anouar; Kallaste, AntsElektronika ir elektrotechnika = Electronics and electrical engineering2014 / p. 11-14 : ill https://doi.org/10.5755/j01.eee.20.7.8018 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Companies' readiness to implement new legislation on occupational exposure to the electromagnetic fields [Electronic resource]Koppel, Tarmo; Vilcane, IneseDoctoral Summer School 2014 : Doctoral School in Economics and Innovation : Kubija, Estonia, August 5-82014 / [16] p. : ill. [CD-ROM] Electromagnetic fields' exposure to head, torso and limbs in office workplacesVilcane, Inese; Koppel, Tarmo; Bartusauskis, J.Agronomy research2016 / p. 1737-1744 : ill http://www.ester.ee/record=b1787401*est http://agronomy.emu.ee/category/volume-14/number-5/ Journal metrics at Scopus Article at Scopus Electromagnetic fields' exposure to head, torso and limbs in office workplacesVilcane, Inese; Koppel, Tarmo; Bartušauskis, Janis; Urbane, Valentina; Ievinš, Janis; Kalkis, Henrijs; Roja, Ženija7th International Conference "Biosystems Engineering 2016": 12-13 May, 2016, Estonia, Tartu : book of abstracts2016 / p. 117-118 http://www.bse.emu.ee/Book%20of%20Abstracts_2016.pdf Electromagnetic fields in contemporary office workplacesKoppel, Tarmo; Tasa, T.; Tint, PiiaAgronomy research2013 / p. 421-434 : ill https://www.cabidigitallibrary.org/doi/pdf/10.5555/20133221144 Journal metrics at Scopus Article at Scopus Electromagnetic shielding properties of ceramic spheres coated with paramagnetic metalKoppel, Tarmo; Shiskin, A.; Hussainova, Irina; Haldre, Heldur; Tint, PiiaAgronomy research2016 / p. 1015-1022 : ill http://ise.elnet.ee/record=b2891940~S1*est Journal metrics at Scopus Article at Scopus Exposure from electromagnetic fields at modern office workplaces and their risk managementKoppel, Tarmo; Tint, PiiaRiga Technical University 53rd International Scientific Conference dedicated to the 150th anniversary and the 1st Congress of World Engineers and Riga Polytechnical Institute/RTU Alumni : 11-12 October 2012, Riga, Latvija : [abstracts]2012 / p. 455 Intermediate and low radiofrequency electromagnetic field transmission properties in case of common building materials [Online resource]Koppel, Tarmo; Shishkin, Andrei; Toropovs, Nikolajs; Haldre, Heldur; Hussainova, Irina; Mironovs, Viktors; Tint, Piia2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) : October 13, 14, 2016 : conference proceedings2016 / [6] p. : ill https://doi.org/10.1109/RTUCON.2016.7763144 Investigation of molten metal mixing in a DC electric arc furnace with added AC component on different frequenciesMõlder, Heigo; Järvik, Jaan; Vaimann, Toomas; Gordon, RaunoPQ2012 : 8th International Conference : 2012 Electric Power Quality and Supply Reliability : June 11-13, 2012, Tartu, Estonia : conference proceedings2012 / p. 33-36 : ill https://www.semanticscholar.org/paper/Investigation-of-molten-metal-mixing-in-a-DC-arc-AC-M%C3%B5lder-Jarvik/38848bbd53c7d118a0077072daa0ffb86f649657 Multi-electrode arc furnace technology with improved metal processing capability using current driven mixingMõlder, Heigo; Järvik, Jaan; Vaimann, Toomas; Gordon, RaunoConference proceedings : 2012 11th International Conference on Environment and Electrical Engineering : Venice, Italy, 18-25 May 20122012 / p. 313-316 : ill A questionnaire to access the exposure to the electromagnetic fields [Electronic resource]Koppel, TarmoDoctoral school in economics and innovation : Kuressaare, August 6-9, 20132013 / 30 p. : ill. [CD-ROM] Radiofrequency electromagnetic fields from mobile devices used for learning and workingKoppel, Tarmo; Ahonen, MikkoElektronika ir elektrotechnika = Electronics and electrical engineering2013 / p. 65-70 : ill https://doi.org/10.5755/j01.eee.19.6.4565 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Radiofrequency radiation at Stockholm Central Railway Station in Sweden and some medical aspects on public exposure to RF fieldsHardell, Lennart; Koppel, Tarmo; Carlberg, Michael; Ahonen, Mikko; Hedendahl, LenaInternational journal of oncology2016 / p. 1315-1324 : ill https://doi.org/10.3892/ijo.2016.3657 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Reducing exposure to extremely low frequency electromagnetic fields from portable computersKoppel, Tarmo; Tint, PiiaAgronomy research2014 / p. 863-874 : ill https://www.cabidigitallibrary.org/doi/pdf/10.5555/20143202524 Journal metrics at Scopus Article at Scopus Reducing exposure to radiofrequency electromagnetic fields from wireless networking with portable computersKoppel, Tarmo; Vilcane, Inese; Ahonen, MikkoScientific journal of Riga Technical University. Safety of technogenic environment2014 / p. 9-13 : ill Reflection and transmission properties of common construction materials at 2.4 GHz frequencyKoppel, Tarmo; Shishkin, Andrei; Haldre, Heldur; Toropovs, Nikolajs; Vilcane, Inese; Tint, PiiaEnergy procedia2017 / p. 158-165 https://doi.org/10.1016/j.egypro.2017.04.045 Conference proceedings at Scopus Article at Scopus Article at WOS Safety compliance of occupational exposure to electromagnetic fieldsKoppel, Tarmo; Vilcane, IneseResearch in economics and business : Central and Eastern Europe2018 / p. 5-28 : ill., tab http://www.rebcee.eu/index.php/REB/article/view/125 Snow microwave reflection at mobile phone frequency bandsKoppel, Tarmo; Vilcane, Inese; Tint, Piia; Shishkin, AndreiVide. Tehnologija. Resursi : XI starptautiskas zinatniski praktiskas konferences materiali 2017. gada 15.-17. junijs. 1. sejums = Environment. Technology. Resources : proceedings of the 11th International Scientific and Practical Conference, June 15-17, 2017. Volume I2017 / p. 156-160 : ill http://dx.doi.org/%2010.17770/etr2017vol1.2608 The new occupational electromagnetic fields' directive 2013/35/EU compared to the existing Estonian national legislationKoppel, Tarmo; Vilcane, Inese56th International Riga Technical University Conference "Scientific Conference on Economics and Entrepreneurship SCEE'2015" : proceedings2015 / p. 156-158 : tab