Research outputs

  1. 1992
  2. Published

    A stereospecific catalyst system intended for the polymerization of olefins.

    Seppälä, J., Härkönen, M. & Kulo, A., 1 Jul 1992, IPC No. C08F 10/ 00 A I, Patent No. EP0492966, Priority date 20 Dec 1990, Priority No. FI19900006323

    Research output: Patent

  3. Published

    EFFECTS OF COMPATIBILIZERS ON THE PROPERTIES OF POLYAMIDE POLYPROPYLENE BLENDS

    Holsti-Miettinen, R., Seppälä, J. & Ikkala, O. T., Jul 1992, In : Polymer Engineering and Science. 32, 13, p. 868-877 10 p.

    Research output: Contribution to journalArticle

  4. Published

    High-Speed InGaAsP/InP Multiple-Quantum-Well Laser

    Lipsanen, H., Coblentz, D. L., Logan, R. A., Yadvish, R. D., Morton, P. A. & Temkin, H., Jul 1992, In : IEEE Photonics Technology Letters. 4, 7, p. 673-675 3 p.

    Research output: Contribution to journalArticle

  5. Published

    Quantum nucleation of vortices in the flow of superfluid 4He through an orifice

    Ihas, G. G., Avenel, O., Aarts, R., Salmelin, R. & Varoquaux, E., Jul 1992, In : Physical Review Letters. 69, 2, p. 327-330 4 p.

    Research output: Contribution to journalArticle

  6. Published

    Water dimer properties in the gradient-corrected density functional theory

    Laasonen, K., Csajka, F. & Parrinello, M., 26 Jun 1992, In : Chemical Physics Letters. 194, 3, p. 172-174 3 p.

    Research output: Contribution to journalArticle

  7. Published

    Observation of dispersion in the J=2+ collective modes of 3B by nonlinear acoustic spectroscopy

    Manninen, A. J., Alles, H., Babkin, A. V., Pekola, J. P. & McKenzie, R. H., 22 Jun 1992, In : Physical Review Letters. 68, 25, p. 3725-3728 4 p.

    Research output: Contribution to journalArticle

  8. Published

    STEREOSPECIFIC CATALYST SYSTEM INTENDED FOR THE POLYMERIZATION OF OLEFINS

    Seppälä, J., Härkönen, M. & Kulo, A., 21 Jun 1992, IPC No. C08F 10/ 00 A I, Patent No. CA2057688, Priority date 20 Dec 1990, Priority No. FI19900006323

    Research output: Patent

  9. Published

    DOMAIN FUNCTION IN TRICHODERMA-REESEI CELLOBIOHYDROLASES

    TEERI, T., REINIKAINEN, T., RUOHONEN, L., JONES, TA. & KNOWLES, JKC., 15 Jun 1992, In : Journal of Biotechnology. 24, 2, p. 169-176 8 p.

    Research output: Contribution to journalArticle

  10. Published
  11. Published

    PROCEDURE FOR MAKING COPOLYMERS OF ETHYLENE AND LONG-CHAINED ALPHA OLEFINS

    Seppälä, J., 7 May 1992, IPC No. C08F 210/ 16 A I, Patent No. DE3490300, Priority date 22 Jun 1983, Priority No. FI19830002287

    Research output: Patent

  12. Published

    A prestudy of optical imaging on superfluid 3He

    Manninen, A. J., Alles, H., Babkin, A. V. & Pekola, J. P., 2 May 1992, In : Physica B: Condensed Matter. 178, 1-4, p. 352-353 2 p.

    Research output: Contribution to journalArticle

  13. Published

    Experimental investigation of two-phonon absorption by the real squashing mode in superfluid 3He-B

    Pekola, J. P., Torizuka, K., Manninen, A. J., Alles, H. & Lounasmaa, O. V., 2 May 1992, In : Physica B: Condensed Matter. 178, 1-4, p. 238-243 6 p.

    Research output: Contribution to journalArticle

  14. Published

    Is ultrasound a suitable probe to determine the structure of the vortex lattice in 3He-A?

    Pekola, J. P., Kira, G. M., Manninen, A. J. & Kiviladze, B. N., 2 May 1992, In : Physica B: Condensed Matter. 178, 1-4, p. 262-265 4 p.

    Research output: Contribution to journalArticle

  15. Published

    Observations on vortex formation in superfluid 3He

    Hakonen, P. J., 2 May 1992, In : Physica B: Condensed Matter. 178, 1-4, p. 83-89 7 p.

    Research output: Contribution to journalArticle

  16. Published

    Phase slippage in superfluid 3He-B

    Varoquaux, E., Avenel, O., Ihas, G. & Salmelin, R., 2 May 1992, In : Physica B: Condensed Matter. 178, 1-4, p. 309-317 9 p.

    Research output: Contribution to journalArticle

  17. Published

    Ultrasonic investigation of 3He-A vortices in low magnetic fields

    Torizuka, K., Pekola, J. P. & Manninen, A. J., 2 May 1992, In : Physica B: Condensed Matter. 178, 1-4, p. 244-261 18 p.

    Research output: Contribution to journalArticle

  18. Published

    Wave acoustics for propagation of ultrasound along a vortex array in superfluid 3A

    Sonin, E. B., Torizuka, K., Kyynarainen, J. M., Pekola, J. P. & Tvalashvili, G. K., 1 May 1992, In : Physical Review B. 45, 18, p. 10536-10543 8 p.

    Research output: Contribution to journalArticle

  19. Published

    Comment on "Large infrared nonlinear optical response of C60"

    Knize, R. J. & Partanen, J. P., 27 Apr 1992, In : Physical Review Letters. 68, 17, p. 2704-2704 1 p.

    Research output: Contribution to journalLetter

  20. Published

    Tribological characterisation of hard carbon films produced by the pulsed vacuum arc discharge method

    Ronkainen, H., Koskinen, J., Anttila, A., Holmberg, K. & Hirvonen, J. P., 15 Apr 1992, In : Diamond and Related Materials. 1, 5-6, p. 639-643 5 p.

    Research output: Contribution to journalArticle

  21. Published

    First-principles study of fully relaxed vacancies in GaAs

    Laasonen, K., Nieminen, R. & Puska, M. J., 15 Feb 1992, In : Physical Review B. 45, 8, p. 4122-4130 9 p.

    Research output: Contribution to journalArticle

  22. Published

    Antiferromagnetic ordering in silver at picokelvin temperatures

    Hakonen, P. J., Nummila, K. K., Vuorinen, R. T. & Yin, S., 2 Feb 1992, In : Journal of Magnetism and Magnetic Materials. 104-107, PART 2, p. 903-904 2 p.

    Research output: Contribution to journalArticle

  23. Published

    Characterization of austenitic stainless steel pipe welds after prolonged power plant exposure

    Hänninen, H., Aaltonen, P., Nenonen, P., Jargelius, R. & Lehtinen, B., Feb 1992, In : Corrosion. 48, 2, p. 114-123 10 p.

    Research output: Contribution to journalArticle

  24. Published

    Neuromagnetic mismatch fields to single and paired tones

    Hari, R., Rif, J., Tiihonen, J. & Sams, M., Feb 1992, In : Electroencephalography and clinical Neurophysiology. 82, 2, p. 152-154 3 p.

    Research output: Contribution to journalArticle

  25. Published

    Interactive multiobjective analysis and assimilative capacity-based ocean disposal decisions

    Leschine, T. M., Wallenius, H. & Verdini, W. A., 24 Jan 1992, In : European Journal of Operational Research. 56, 2, p. 278-289 12 p.

    Research output: Contribution to journalArticle

  26. Published

    OPTIMIZING PUBLIC-POLICY

    WALLENIUS, H. & WALLENIUS, J., 24 Jan 1992, In : European Journal of Operational Research. 56, 2, p. 133-133 1 p.

    Research output: Contribution to journalEditorial

  27. Published

    Transboundary air pollution in Europe: An interactive multicriteria tradeoff analysis

    Stam, A., Kuula, M. & Cesar, H., 24 Jan 1992, In : European Journal of Operational Research. 56, 2, p. 263-277 15 p.

    Research output: Contribution to journalArticle

  28. Published

    PROCEDURE AND APPARATUS FOR THE COATING OF MATERIALS BY MEANS OF A PULSATING PLASMA BEAM

    Anttila, A., Hirvonen, J-P. & Koskinen, J., 7 Jan 1992, IPC No. H01J 37/ 32 A I, Patent No. US5078848, Priority date 18 Jan 1988, Priority No. FI19880000203

    Research output: Patent

  29. Published

    Effect of surface processing on the attachment, orientation, and proliferation of human gingival fibroblasts on titanium

    Könönen, M., Hormia, M., Kivilahti, J., Hautaniemi, J. & Thesleff, I., 1 Jan 1992, In : Journal of Biomedical Materials Research. 26, 10, p. 1325-1341 17 p.

    Research output: Contribution to journalArticle

  30. Published

    Construction and test results of a compact 0.8 meter warm bore 1.5-tesla high-homogeneity superconducting magnet for mr-spectroscopy

    Nenonen, S., Friman, E., Ikkala, O., Islander, S., Seppälä, H., Pekola, J., Sarjala, A. & Collan, H. K., Jan 1992, In : IEEE Transactions on Magnetics. 28, 1, p. 637-640 4 p.

    Research output: Contribution to journalArticle

  31. Published

    SACCHAROMYCES-CEREVISIAE CELLS SECRETING AN ASPERGILLUS-NIGER BETA-GALACTOSIDASE GROW ON WHEY PERMEATE

    KUMAR, P., RAMAKRISHNAN, S., Teeri, T. T., KNOWLES, JKC. & HARTLEY, BS., Jan 1992, In : Bio-Technology. 10, 1, p. 82-85 4 p.

    Research output: Contribution to journalArticle

  32. Published

    100th anniversary of the first chemical societies in Finland commemorated by stereoscopic stamps

    Niinistö, L. & Klemola, A., 1992, In : Philatelia Chimica et Physica. 19, 1, p. 18-22

    Research output: Contribution to journalArticle

  33. Published

    10 GHz transponder progress report

    Putkonen, J., 1992, Third Phase 3-D Design Meeting, Marburg, Germany, 25.-28.5.1992. Marburg, Germany: AMSAT-DL, p. D3-D4

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

  34. Published

    119 GHz vastaanotin Moses-satelliittiin

    Valmu, H. & Räisänen, A., 1992, Cospar meeting of Finnish space scientists, Jyväskylä, Finland, January 1992. p. 56-57

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

  35. Published

    1990-luvulla tarvitaan herkempää kaupunkisuunnittelua

    Radovic, R., 1992, In : Takstooli. 2, p. 4-10

    Research output: Contribution to journalArticle

  36. Published

    22nd European Microwave Conference: a technical preview

    Räisänen, A. & Sihvola, A., 1992, In : Microwave Engineering Europe. June/July, p. 53-58

    Research output: Contribution to journalArticle

  37. Published

    29th International Geological Congress, Japan, Aug. 23 - Sept. 3, 1992

    Niini, H., 1992, Espoo, (Julkisrahoitteisen ydinjätetutkimuksen raportti; no. IGE-JYT 7-92).

    Research output: Working paperProfessional

  38. Published

    2D-Computation of an axial fan with FINFLO

    Eriksson, K., 1992, Espoo, (Julkaisu /Lämpötekniikan ja koneopin laboratorio; no. 68).

    Research output: Working paperProfessional

  39. Published

    A 122-channel magnetometer covering the whole head

    Ahonen, A., 1992, 14th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Satellite Symposium on Neuroscience and Technology, Lyon, Ranska, 2.-4.11.1992. Lyon, p. 16-20

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

  40. Published

    A bi-isotropic layer as a polarization transformer

    Tretyakov, S. A. & Oksanen, M. I., 1992, In : Smart Materials and Structures. 1, p. 76-79

    Research output: Contribution to journalArticle

  41. Published

    A breathing manikin for measuring local ventilation effectiveness

    Säteri, J., 1992, ROOMVENT '92 Third International Conference Aalborg, Denmark, syyskuu 1992. p. 167-179

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

  42. Published

    Accuracy of Gaussian Beam

    Tuovinen, J., 1992, In : IEEE Transactions on Antennas and Propagation. 40, 4, p. 391-398

    Research output: Contribution to journalArticle

  43. Published

    Accurate determination of the layer thicknesses of a GaAs/AlAs superlattice

    Lipsanen, H. K., Airaksinen, V-M. & Tuomi, T., 1992, 1st European Symposium on X-ray Topography and High Resolution Diffraction, Marseille, France, July 9-10, 1992. p. 107-108

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

  44. Published

    Accurate millimeter wave antenna phase pattern measurements using the differential phase method with three power meters

    Lehto, A., Tuovinen, J., Boric, O. & Räisänen, A., 1992, In : IEEE Transactions on Antennas and Propagation. 40, 7, p. 851-853

    Research output: Contribution to journalArticle

  45. Published

    A central controller using neural network in a three-stage clos' packet switch

    Ma, J. & Rahko, K., 1992, Espoo, p. 4, (Teletekniikan laboratorion raporttisarja; no. 3/92).

    Research output: Working paperProfessional

  46. Published

    A central controller using neural network in a three-stage clos' packet switch

    Ma, J. & Rahko, K., 1992, International Seminar on Teletraffic and Networks, Peking, 1992. Peking, Kiina

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

  47. Published

    Acid Rain and International Environmental Aid

    Kaitala, V. & Pohjola, M., 1992, (ETLA; no. 400).

    Research output: Working paperProfessional

  48. Published

    Acid type corrosion in a cumene unit - the effect of inhibition and materials selection

    Forsen, O., Aromaa, J., Rintamäki, K. & Tavi, M., 1992, 12th Scandinavian Corrosion Congress & Eurocorr '92, Otaniemi, May 31 - June 4, 1992. Espoo: The Corrosion Society of Finland, p. 507-512

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

  49. Published

    A Code for Studies of ICRF Heating of Tokamak Plasmas

    Alava, M. & Heikkinen, J., 1992, Espoo, (Report /Helsinki University of Technology, Department of Technical Physics. B; no. TKK-F-B140).

    Research output: Working paperProfessional

  50. Published

    A Collisional Vlasov-Poisson Code for Current Drive Studies

    Berndtson, J., Heikkinen, J. & Pättikangas, T., 1992, Espoo, (Report /Helsinki University of Technology, Department of Technical Physics. C; no. TKK-F-C144).

    Research output: Working paperProfessional

  51. Published

    A Compact Very Low Noise DC SQUID Magnetometer

    Cantor, R., Ryhänen, T. & Seppä, H., 1992, In : Springer Proceedings in Physics. 64

    Research output: Contribution to journalArticle