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• Ultraäänen diffraktio tasomaisista heijastajista

  Pitkänen, J., 1984, Espoo: VTT Technical Research Centre of Finland. 21 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 390).

  Research output: Book/Report › Report

• Ultraäänen fokusointimenetelmiä NDT:ssa

  Lahdenperä, K. & Pitkänen, J., 1986. 13 p.

  Research output: Contribution to conference › Conference article › Professional

• Ultraäänen käyttömahdollisuuksista levyrakenteiden mitta- ja muotovirheiden korjailussa ja tätä kautta iskumelun torjunnassa

  Nykänen, H. & Tanttari, J., 1984, Levytyön menetelmäkehitys. Helsinki, 14 p. (Insinöörijärjestöjen koulutuskeskus. Julkaisu, Vol. 158).

  Research output: Chapter in Book/Report/Conference proceeding › Chapter or book article › Professional

• Ultraäänen käyttö mäskäyksessä: Diplomityö

  Hortling, P., 2002, Espoo: Helsinki University of Technology. 123 p.

  Research output: Thesis › Master's thesis

• Ultraäänen käyttö mäskäyksessä

  Hortling, P., Virkajärvi, I. & Home, S., 2002, In: Mallas ja Olut. 2, p. 49-56

  Research output: Contribution to journal › Article › Professional

• Ultraäänen vaikutukset suspensiossa ja suodatuksessa

  Martikainen, P., 1993. 17 p.

  Research output: Contribution to conference › Conference article › Professional

• Ultraäänianturin tarkistus kenttäolosuhteissa

  Lahdenperä, K. & Särkiniemi, P., 2000. 8 p.

  Research output: Contribution to conference › Conference article › Professional

• Ultraääni- ja pyörrevirtatulosten automaattinen käsittely

  Lahdenperä, K. & Lipponen, A., 1986. 19 p.

  Research output: Contribution to conference › Conference article › Professional

• Ultraääni- ja sähkömagneettisten menetelmien kehitysnäkymiä

  Pitkänen, J. & Kauppinen, P., 1995, In: Hitsaustekniikka. 45, 3, p. 36-40

  Research output: Contribution to journal › Article › Professional

• Ultraäänikohinaan perustuva tarkka paikannuslaite

  Kauppi, I., Lehtinen, H. & Järvelä, V-M., 1997, Automaatio 97: automaatio yli rajojen. Helsinki: Finnish Society of Automation, 119

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

  • Acoustic noise
  • Global positioning system
  • Ultrasonics

• Ultraäänilaitteiston ominaisuuksien määrittäminen

  Särkiniemi, P., Kauppinen, P., Tarvainen, R. & Sillanpää, J., 1991, Helsinki: Säteilyturvakeskus. 39 p. (STUK-YTO-TR; No. 31).

  Research output: Book/Report › Report

• Ultraääniluotauksen simulointi yhteen sisäpyöristyksen alueella

  Sarkimo, M. & Pitkänen, J., 2001, Espoo: VTT Technical Research Centre of Finland. 18 p. (VTT Valmistustekniikka. Tutkimusraportti; No. BVAL65-011185).

  Research output: Book/Report › Report

• Ultraäänimoottorit ja toimilaitteet

  Penttinen, A., 1989, Espoo: VTT Technical Research Centre of Finland. 24 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 1041).

  Research output: Book/Report › Report

• Ultraäänipesun käyttö ohutlevyterästen sähkösinkityksen laadun parantamiseen ja prosessin lyhentämiseen

  Tuuvanen, P-J. & Mahiout, A., 2004, In: Ohutlevy. 1, p. 18-25

  Research output: Contribution to journal › Article › Professional

• Ultraäänipesutekniikan soveltaminen palautuvien maitolaatikoiden puhdistamiseen: Pro gradu

  Arpiainen, M., 2002, University of Helsinki. 95 p.

  Research output: Thesis › Master's thesis

• Ultraääni tarjoaa vaihtoehtoja jätevedenpuhdistamojen ongelmien ratkaisuun

  Grönroos, A., Kyllönen, H. & Pirkonen, P., 2003, In: Tekniikka ja kunta. 27, 8, p. 14-16

  Research output: Contribution to journal › Article › Professional

• Ultraäänitarkastuksen simulointi sädemenetelmällä

  Sarkimo, M. & Pitkänen, J., 2000, Espoo: VTT Technical Research Centre of Finland. 31 p. (VTT Valmistustekniikka. Tutkimusraportti; No. BVAL65-001084).

  Research output: Book/Report › Report

• Ultraäänitestaajien pätevyystutkintojen analysointi

  Koutaniemi, P., Siidorow, A. & Sillanpää, J., 1988, Espoo: VTT Technical Research Centre of Finland. 76 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 918).

  Research output: Book/Report › Report

• Ultraäänitestauksen toistettavuus

  Sillanpää, J., 1992, In: Hitsaustekniikka. 42, 3, p. 9-11

  Research output: Contribution to journal › Article › Professional

• Ultraäänitutkintotulosten käsittely

  Sandlin, S., 1988, Espoo: VTT Technical Research Centre of Finland. 30 p. (VTT Metallilaboratorio. Tutkimusraportti B; No. 129).

  Research output: Book/Report › Report

• Ultradeep microbial communities at 4.4 km within crystalline bedrock: Implications for habitability in a planetary context

  Purkamo, L., Kietäväinen, R., Nuppunen-Puputti, M., Bomberg, M. & Cousins, C., Mar 2020, In: Life. 10, 1, 2.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  • habitability
  • bedrock
  • Crystalline materials
  • Microbiota
  • microbial communities
  6 Citations (Scopus)

• Ultra-fast optical switching in transparent on-board processors

  Aalto, T., Harjanne, M., Kapulainen, M., Ylinen, S., Hotoleanu, M., Vilokkinen, V., Kokki, T., Mörl, L. & Przyrembel, G., 2008, Proceedings of the ESA Workshop on Advanced Flexible Telecom Payloads. European Space Agency (ESA), p. 371-378

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• Ultrafast relaxation dynamics in strain-induced quantum dots

  Sandmann, J., von Plessen, G., Feldmann, J., Hayes, G., Phillips, R., Lipsanen, H., Sopanen, M. & Ahopelto, J., 1997, In: Physica Status Solidi B: Basic Research. 204, 1, p. 251 - 254 4 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Photoluminescence
  • Semiconductor quantum dots
  • quantum dots
  • photoluminescence
  • Photoexcitation
  13 Citations (Scopus)

• Ultrafine ash emission control of pulverized coal-fired boilers with electrostatic precipitators

  Mustonen, J., Pohjola, J., Porle, K., Mauritzson, C., Srinivasachar, S., Kauppinen, E., Lind, T., Schleicher, B., Kurkela, J., Joutsensaari, J., Valmari, T., Tapper, U. & Ylätalo, S., 1999, SIHTI 2: Energia- ja ympäristöteknologia. Tutkimusohjelman vuosikirja 1998: Projektiesittelyt. Thun, R. & Korhonen, M. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 289-312 (VTT Symposium; No. 191).

  Research output: Chapter in Book/Report/Conference proceeding › Chapter or book article › Professional

  Open Access

  • emission control
  • boiler
  • ash
  • coal
  • particle

• Ultrafine ash formation during fluidized bed combustion and gasification of coal

  Valmari, T., Kauppinen, E., Arpiainen, V., Kurkela, E., Gurav, A. & Kodas, T., 1996, 26th International Symposium on Combustion: Abstracts. Pittsburgh, 1 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Scientific

• Ultrafine ash formation during fluidized bed combustion and gasification of coal

  Valmari, T., Kauppinen, E., Lind, T., Jokiniemi, J., Arpiainen, V., Kurkela, E., Gurav, A. & Kodas, T., 1996, p. 112.

  Research output: Contribution to conference › Conference Abstract › Scientific

• Ultrafine ash particle formation during waste sludge incineration in fluidized bed reactors

  Latva-Somppi, J., Kauppinen, E., Kurkela, J., Tapper, U., Öhman, M., Nordin, A. & Johanson, B., 1998, In: Combustion Science and Technology. 134, 1-6, p. 433-455

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Ultrafine
  • incinerators
  • sludge
  • Waste incineration
  • ashes
  6 Citations (Scopus)

• Ultra-fine flip chip technology at VTT

  Savolainen-Pulli, S., Salmi, J., Vähänen, S. & Salonen, J., 2005, Eltupak 2005. Tampere University of Technology, p. 132-138 (Tampereen teknillinen yliopisto: Porin yksikkö. Julkaisu; No. 3).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Ultrahigh-performance liquid chromatography-mass spectrometry in Lipidomics

  Nygren, H., Pöhö, P., Seppänen-Laakso, T., Lahtinen, U., Oresic, M. & Hyötyläinen, T., 2014, In: LC-GC North America. 32, 4, p. 286-293 7 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Liquid chromatography
  • Mass spectrometry
  • Lipids
  • Plasmalogens

• Ultrahigh strength steel wires processed by severe plastic deformation for ultrafine grained microstructure

  Li, L. & Virta, J., 2011, In: Materials Science and Technology. 27, 5, p. 845-862 18 p.

  Research output: Contribution to journal › Review Article › peer-review

  • Ultrafine
  • Steel
  • Plastic deformation
  • plastic deformation
  • carbon steels
  18 Citations (Scopus)

• Ultraljudprovning av inre defekter i gjutgods

  Barck, H., 1983, Espoo: VTT Technical Research Centre of Finland. 70 p. (Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports; No. 201).

  Research output: Book/Report › Report

• Ultraljudprovning av stora smiden: Nordtest-projekt 524-84

  Barck, H., 1986, Espoo: VTT Technical Research Centre of Finland. 14 p. (VTT Metallilaboratorio. Tutkimusraportti B; No. 95).

  Research output: Book/Report › Report

• Ultra-low-field MRI system for hybrid MEG-MRI

  Vesanen, P. T., Hassel, J., Penttilä, J. S., Nieminen, J. O., Dabek, J., Zevenhoven, K., Luomahaara, J., Alanko, S., Catallo, N., Lin, F-H., Simola, J., Ahonen, A. & Ilmoniemi, R., 2011, Proceedings International Society for Magnetic Resonance in Medicine Vol. 19.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• Ultra low noise 70 GHz receivers for Planck mission

  Tuovinen, J., 1999, In: VTT Information Technology. Research News. July, p. 2-3

  Research output: Contribution to journal › Article › Professional

  • low noise
  • receivers
  • instrument receivers
  • low frequencies
  • cosmic microwave background radiation

• Ultra low noise and high stability receivers of Planck LFI

  Tuovinen, J., Bersanelli, M. & Mandolesi, N., 2000, In: Astronomical and Astrophysical Transactions. 19, 3-4, p. 551-558

  Research output: Contribution to journal › Article › Scientific › peer-review

  • low noise
  • receivers
  • sky
  • low frequencies
  • Microwaves

• Ultra-low power sensors with near field communication for mobile applications

  Strömmer, E., Hillukkala, M. & Ylisaukko-oja, A., 2007, WSAN 2007: Wireless Sensor and Actor Networks. Springer, p. 131-142 12 p. (IFIP International Federation for Information Processing, Vol. 248).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  • Near field communication
  • Sensors
  • Bluetooth
  • Gateways (computer networks)
  • Radio receivers
  21 Citations (Scopus)

• Ultralujan, suorakarkaistun Optim 960 QC ohutlevyteräksen lujuus- ja sitkeyskäyttäytyminen

  Nevasmaa, P., Karjalainen-Roikonen, P., Laukkanen, A. & Kuoppala, J., 2010, In: Hitsaustekniikka. 60, 3, p. 4-15

  Research output: Contribution to journal › Article › Scientific

• Ultralujan betonin käyttösovellukset: Esitutkimus

  Ratvio, J., 2001, Espoo: VTT Technical Research Centre of Finland. 62 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 2078).

  Research output: Book/Report › Report

  Open Access
  5 Citations (Scopus)

• Ultralujan suorakarkaistun ohutlevyteräksen lujuus- ja sitkeysominaisuudet

  Nevasmaa, P., Planman, T., Karjalainen-Roikonen, P., Laukkanen, A. & Elers, L., 2008, Espoo: VTT Technical Research Centre of Finland. 31 p. (VTT Tutkimusraportti; No. VTT-R-04160-08).

  Research output: Book/Report › Report

• Ultra-sensitive NO2 gas sensor based on epitaxial graphene

  Novikov, S., Lebedeva, N. & Satrapinski, A., 2015, In: Journal of Sensors. 2015, 7 p., 108581.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  • Graphene
  • Chemical sensors
  • graphene
  • sensors
  • gases
  28 Citations (Scopus)

• Ultrasensitive proximity Josephson sensor with kinetic inductance readout

  Giazotto, F., Heikkilä, T. T., Pepe, G. P., Helistö, P., Luukanen, A. & Pekola, J. P., 2008, In: Applied Physics Letters. 92, 16, 162507.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • inductance
  • proximity
  • readout
  • sensors
  • kinetics
  45 Citations (Scopus)

• Ultrasensitive string-based temperature sensors

  Larsen, T., Schmid, S., Grönberg, L., Niskanen, A. O., Hassel, J., Dohn, S. & Boisen, A., 2011, In: Applied Physics Letters. 98, 12, 121901.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • temperature sensors
  • strings
  • silicon nitrides
  • aluminum
  • temperature
  58 Citations (Scopus)

• Ultrasonic

  Pirkonen, P. & Ekberg, B., 2015, Progress in Filtration and Separation. Academic Press, p. 399-421

  Research output: Chapter in Book/Report/Conference proceeding › Chapter or book article › Professional

  • Ultrasonics
  • Liquids
  • Cavitation
  • Coagulation
  • Ultrasonic waves
  1 Citation (Scopus)

• Ultrasonically aided mineral processing technique for remediation of soil contaminated by heavy metals

  Kyllönen, H., Pirkonen, P., Hintikka, V., Parviainen, P., Grönroos, A. & Sekki, H., 2004, In: Ultrasonics Sonochemistry. 11, 3-4, p. 211-216 6 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  • Ore treatment
  • Heavy metals
  • Remediation
  • mineral processing
  • Heavy Metals
  29 Citations (Scopus)

• Ultrasonically assisted dewatering of waste activated sludge

  Kyllönen, H., Pirkonen, P. & Grönroos, A., 2007, Proceedings: 19th International Congress on Acoustics, ICA 2007. Sociedad Española de Acústica, Vol. 10. p. 6410-6414

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  Open Access

  • dewatering
  • activated sludge
  • ultrasound
  • sludge
  • water

• Ultrasonically Enhanced Disintegration. Polymers, Sludge, and Contaminated Soil: Dissertation

  Grönroos, A., 2010, Espoo: VTT Technical Research Centre of Finland. 142 p.

  Research output: Thesis › Dissertation › Collection of Articles

  Open Access

  • ultrasound
  • contaminated soil
  • polymer
  • sludge
  • cavitation

• Ultrasonically enhanced membrane filtration of waste waters from pulp and paper industries

  Sabri, N. & Huotari, H., 1998, VTT Energy Highlights 1998: Power from science. Jyväskylä: VTT Technical Research Centre of Finland, p. 13-15

  Research output: Chapter in Book/Report/Conference proceeding › Chapter or book article › Professional

  • pulp and paper industry
  • waste water
  • membrane
  • energy
  • research program

• Ultrasonically enhanced microfiltration of oily waste water

  Huotari, H., 1997. 3 p.

  Research output: Contribution to conference › Conference article › Scientific

• Ultrasonically enhanced ultrafiltration of waste water from pulp and paper industries

  Sabri, N., Tuori, T. & Huotari, H., 1997. 2 p.

  Research output: Contribution to conference › Conference Poster › Scientific

• Ultrasonically enhanced ultrafiltration of waste waters from pulp and paper industry

  Sabri, N., Tuori, T., Huotari, H., Bouen, R., Hilal, N., Lovitt, R. & Wright, C., 1997, Euromembrane '97 "Progress in membrane science and technology": Book of abstracts. Kemperman, A. J. B. (ed.). Enschede, 1 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Scientific