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Unstable regions in the growth of GaInAsP by gas-source molecular beam epitaxy

Tappura, K. & Laurila, J., 1993, In : Journal of Crystal Growth. 131, 3-4, p. 309-315

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Unsteady analysis of pressure pulses in a CLT propeller using a lifting surface vortex-lattice method

Sanchez Caja, A., 2012, International Conference on Advances and Challenges in Marine Noise and Vibration: Proceedings. Glasgow, UK: University of Strathclyde Publishing, p. 197-202

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Unsteady state temperature fields in a slab induced by line sources

Saastamoinen, J., 2007, In : International Journal of Heat and Mass Transfer. 50, 3-4, p. 756-765

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Unstructured mesh based multi-physics interface for CFD code coupling in the Serpent 2 Monte Carlo code

Leppänen, J., Valtavirta, V., Viitanen, T. & Aufiero, M., 2015, Proceedings of the international conference on physics of reactors: PHYSOR2014. Vol. JAEA-Conf 2014-003. 10 p. 1103981

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access

Unsupervised clustering of symbol strings and context recognition

Flanagan, J. A., Mäntyjarvi, J. & Himberg, J., 1 Dec 2002, Proceedings - 2002 IEEE International Conference on Data Mining, ICDM 2002. IEEE Institute of Electrical and Electronic Engineers, p. 171-178 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

21 Citations (Scopus)

Unsupervised illness recognition via in-home monitoring by depth cameras

Vildjiounaite, E., Mäkelä, S-M., Keränen, T., Kyllönen, V., Huotari, V., Järvinen, S. & Gimelfarb, G., 1 Jul 2017, In : Pervasive and Mobile Computing. 38, Part 1, p. 166-187 22 p.

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Unsupervised learning based linkages between patents and scholarly publications

Suominen, A. & Toivanen, H., 2017.

Research output: Contribution to conferenceConference AbstractScientific

Unsupervised learning based patent landscapes using full-text patent data

Suominen, A. & Toivanen, H., 24 Sep 2015, Management of Engineering and Technology (PICMET), 2015 Portland International Conference on. IEEE Institute of Electrical and Electronic Engineers, p. 2195-2203

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Unsupervised LSTM-AE and Harmonic Models for Improving Timeliness of Forest Logging Notifications With Dense Satellite Image Time Series

Molinier, M. & Antikainen, E., 11 Sep 2019, ESA Phi-Week 2019. European Space Agency ESA

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Unsupervised online detection and prediction of outliers in streams of sensor data

Reunanen, N., Räty, T., Jokinen, J. J., Hoyt, T. & Culler, D., 2020, In : International Journal of Data Science and Analytics. 9, p. 285-314

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Unsupervised speaker change detection for mobile device recorded speech

Vuorinen, O., Peltola, J. & Mäkelä, S-M., 2007, IEEE International Conference on Acoustics, Speech, and Signal Processing. Honolulu, HI, USA, 15-20 April 2007. IEEE Cat. No. 07CH378. IEEE Institute of Electrical and Electronic Engineers

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

5 Citations (Scopus)

Unsupervised stress detection algorithm and experiments with real life data

Vildjiounaite, E., Kallio, J., Mäntyjärvi, J., Kyllönen, V., Lindholm, M. & Gimel'farb, G., 1 Jan 2017, Progress in Artificial Intelligence. Vale, Z., Oliveira, E., Gama, J. & Lopes Cardoso, H. (eds.). Springer, p. 95-107 13 p. (Lecture Notes in Computer Science, Vol. 10423 LNAI).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

7 Citations (Scopus)

Untersuchung der Relaxationsdynamik optisch generierter Landungsträger in verspannungsinduzierten in GaAs Quantenpunkten

Grosse, S., Sandmann, J., Feldmann, J., Lipsanen, H., Sopanen, M., Tulkki, J. & Ahopelto, J., 1996.

Research output: Contribution to conferenceOther conference contributionScientificpeer-review

Untersuchung der Struktur und der Festigkeit von Gusseisen in fertigen Maschinenteilen mittels Ultraschalls

Salokangas, J., 1972, Helsinki: VTT Technical Research Centre of Finland. 15 p. (Technical Research Centre of Finland: Materials and Processing Technology. Publication; No. 7).

Research output: Book/ReportReport

Untersuchung über die Lebensdauer der Minoritätsträgern in Germanium

Stubb, T., 1960, Helsinki: VTT Technical Research Centre of Finland. 16 p. (Valtion teknillinen tutkimuslaitos. Julkaisu - Publikation; No. 49).

Research output: Book/ReportReport

Untersuchung über die Veränderung der körperlichen Leistungsfähigkeit des Menschen in Schutzraumverhältnissen beim Drehen eines handbetriebenen Schutzraumluftförderer

Piironen, P. & Äikäs, E., 1962, Helsinki: VTT Technical Research Centre of Finland. 19 p. (Valtion teknillinen tutkimuslaitos. Julkaisu - Publikation; No. 69).

Research output: Book/ReportReport

Unusual Nazarov cyclization in near-critical water

Leikoski, T., Kaunisto, J., Alkio, M., Aaltonen, O. & Yli-Kauhaluoma, J., 2005, In : Organic Process Research and Development. 9, 5, p. 629-633

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Unveiling the RFID business: A survey of the Finnsh RFID sector

Rantasila, K., Hinkka, V., Pilli-Sihvola, E. & Permala, A., 2014, In : International Journal of Radio Frequency Identification Technology and Applications. 4, 3, p. 244-259 15 p.

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

U-palkkikokeiden murtumismekaaninen tarkastelu

Laukkanen, A., Nevasmaa, P., Planman, T., Karjalainen-Roikonen, P. & Elers, L., 2009, Espoo: VTT Technical Research Centre of Finland. 16 p. (VTT Tutkimusraportti; No. VTT-R-04942-09).

Research output: Book/ReportReport

Upconversion luminophores as a novel tool for deep tissue imaging

Popov, A. P., Bykov, A. V., Sokolov, V. I., Lysak, Y. V., Nadort, A., Priezzhev, A. V., Myllylä, R. & Zvyagin, A. V., 1 Dec 2011, Novel Biophotonic Techniques and Applications. Sterenborg, H. J. C. M. & Vitkin, I. A. (eds.). International Society for Optics and Photonics SPIE, 80900V. (Progress in Biomedical Optics and Imaging; No. 44, Vol. 12). (Proceedings of SPIE, Vol. 8090).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

UPCV Distributed recommendation system based on token exchange

Ollikainen, V., Mensonen, A. & Tavakolifard, M., 2013, In : Journal of Print and Media Technology Research. 2, 3, p. 195-201 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Upcycling of cotton polyester blended textile waste to new man-made cellulose fibers

Haslinger, S., Hummel, M., Anghelescu-Hakala, A., Määttänen, M. & Sixta, H., Sep 2019, In : Waste Management. 97, p. 88-96 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
7 Citations (Scopus)

Upcycling of waste paper and cardboard to textiles

Ma, Y., Hummel, M., Määttänen, M., Särkilahti, A., Harlin, A. & Sixta, H., 2016, In : Green Chemistry. 18, 3, p. 858-866

Research output: Contribution to journalArticleScientificpeer-review

28 Citations (Scopus)

Update on the analysis and characterisation subject group

Meier, D. & Oasmaa, A., Mar 1999, In : PyNe: Pyrolysis Network. 7, p. 7

Research output: Contribution to journalArticleProfessional

Updating a maintenance programme based on various information sources

Ahonen, T., Reunanen, M., Heikkilä, J. & Kunttu, S., 2006, In : Journal of Konbin. 2006, 2, 8 p.

Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

Open Access

Updraft gasification of peat and biomass

Kurkela, E., Ståhlberg, P., Simell, P. & Leppälahti, J., 1989, In : Biomass. 19, 1-2, p. 37-46

Research output: Contribution to journalArticleScientific

35 Citations (Scopus)

Updraft gasification of waste fuels

Ståhlberg, P., Kurkela, E., Filen, H. & Salo, K., 1989.

Research output: Contribution to conferenceConference articleScientific

Upgrading building stock by boosting the renovation business

Vainio, T., 2012, Research highlights in energy and eco-efficient built enviroment. Espoo: VTT Technical Research Centre of Finland, p. 127-130 (VTT Research Highlights; No. 1).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access

Upgrading building stock by boosting the renovation business

Vainio, T. & Cao, G., 2011, Proceedings of ISHVAC 2011. p. 1283-1288

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Upgrading fast pyrolysis bio-oil quality by esterification and azeotrop water removal

Sundqvist, T., Oasmaa, A. & Koskinen, A., 2015, In : Energy & Fuels. 29, 4, p. 2527-2534

Research output: Contribution to journalArticleScientificpeer-review

30 Citations (Scopus)

Upgrading fast pyrolysis bio-oil quality by simultaneous esterification and azeotropic water removal

Sundqvist, T., Oasmaa, A. & Koskinen, A., 2014.

Research output: Contribution to conferenceOther conference contributionScientific

Upgrading in situ catalytic pyrolysis bio-oil to liquid hydrocarbons

Elliott, D., Santosa, D., Olarte, M., Solantausta, Y., Paasikallio, V. & Agblevor, F., 2015. 17 p.

Research output: Contribution to conferenceConference articleScientific

Upgrading of lignin-derived oils

Oasmaa, A., 1991, Proceedings of Energy from Biomass Contractors Meeting, Firenze, Italy 20-22 Nov. 1990. Brussels: European Commission EC, p. 282-297

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Upgrading of lignin-derived oils

Oasmaa, A., Alen, R., McKeough, P. & Johansson, A., 1991, Energy from Biomass Thermochemical Conversion Contractors Coordination Meeting 29-31 October 1991, Gent, Belgium. 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

2 Citations (Scopus)

UPLC-QTOF/MS metabolic profiling unveils urinary changes in humans after a whole grain rye versus refined wheat bread intervention

Bondia-Pons, I., Barri, T., Hanhineva, K., Juntunen, K., Dragsted, L. O., Mykkänen, H. & Poutanen, K., 2013, (Accepted/In press) In : Molecular Nutrition and Food Research. 57, 3, p. 412-422 11 p.

Research output: Contribution to journalArticleScientificpeer-review

60 Citations (Scopus)

UPM BioVerno: Materials testing and fuel stability testing

Roslund, P., Koponen, P. & Aakko-Saksa, P., 2015, VTT Technical Research Centre of Finland. 182 p. (VTT Customer Report, Vol. VTT-CR-04213-15).

Research output: Book/ReportReport

UPM BioVerno: Drop-in renewable diesel from tall oil

Mannonen, S., Vauhkonen, V., Aakko-Saksa, P., Laurikko, J. & Nylund, N-O., 2013.

Research output: Contribution to conferenceConference articleScientificpeer-review

UPM ja Kesko pilotoivat sähköisiä hintanäyttöjä

Antikainen, H., 2005, In : GT-lehti. 2, p. 10-11

Research output: Contribution to journalArticleProfessional

Upper Amazon channel migration

Kalliola, R., Salo, J., Puhakka, M., Rajasilta, M., Häme, T., Neller, R. J., Räsänen, M. E. & Danjoy, A. W., 1992, In : Die Naturwissenschaften. 79, 2, p. 75-79

Research output: Contribution to journalArticleScientificpeer-review

72 Citations (Scopus)

Upper shelf energy normalisation for sub-sized Charpy-V specimens

Wallin, K., 2001, In : International Journal of Pressure Vessels and Piping. 78, 7, p. 463-470 8 p.

Research output: Contribution to journalArticleScientificpeer-review

35 Citations (Scopus)

Uppfinningar som gjorts

Södergård, C., 1989.

Research output: Contribution to conferenceOther conference contributionProfessional

Uppoumalaivan rungon muodon suunnittelu: Kirjallisuuskatsaus

Pylkkänen, J., 1992, Espoo: VTT Technical Research Centre of Finland. 79 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1368).

Research output: Book/ReportReport

Uppskattning av krypskada och återstående livslängd av ångledningar

Auerkari, P. & Kemppainen, H., 1982, Espoo: VTT Technical Research Centre of Finland. 28 p. (Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports; No. 59).

Research output: Book/ReportReport

Up-scaling biohybrid barrier coating to pilot coater

Matilainen, K., Harlin, A., Kunnari, V., Tammelin, T., Vartiainen, J., Pere, J., Vähä-Nissi, M., Mustonen, T., Hartman, J., Peltonen, S. & Härkönen, M., 2011, International Workshop Safe Nanostructured Polymer Materials: Characterization and New Processing Technologies. 69

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Upscaling deep buried geochemical exploration techniques into European business – UpDeep

Middleton, M. S., Nykänen, V., Melleton, J., Lemiere, B., Sarala, P., Filzmoser, P., Järvinen, P., Rinkkala, M., Rönnqvist, J. & Thaarup, S., 16 Jun 2018.

Research output: Contribution to conferenceConference AbstractScientificpeer-review

Upscaling of foam forming technology for pilot scale

Lehmonen, J., Rantanen, T. & Kinnunen-Raudaskoski, K., 2019, In : Tappi Journal. 18, 8, p. 461-471

Research output: Contribution to journalArticleScientificpeer-review

Upscaling of solar induced chlorophyll fluorescence from leaf to canopy using the dart model and a realistic 3D forest scene

Liu, W., Atherton, J., Mõttus, M., MacArthur, A., Teemu, H., Maseyk, K., Robinson, I., Honkavaara, E. & Porcar-Castell, A., 19 Oct 2017, Frontiers in Spectral imaging and 3D Technologies for Geospatial Solutions. Honkavaara, E., Hu, B., Karantzalos, K., Liang, X., Müller, R., Nocerino, E., Pölönen, I. & Rönnholm, P. (eds.). International Society for Photogrammetry and Remote Sensing ISPRS, p. 107-111 (International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol. XLII-3/W3).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
5 Citations (Scopus)