Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Helena Järnström"'
Publikováno v:
Environmental Science & Technology Letters. 2:89-94
Infants spend most of their time sleeping, where they are in intimate contact with their crib mattresses. In this study, we analyzed the cover and foam layers of 20 new and used crib mattresses for selected chemical additives. Seventeen of the 20 cri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::152aad517795b0323a6a26e514ec7138
https://doi.org/10.1021/acs.estlett.5b00039
https://doi.org/10.1021/acs.estlett.5b00039
Publikováno v:
Boor, B E, Järnström, H, Novoselac, A & Xu, Y 2014, ' Infant exposure to emissions of volatile organic compounds from crib mattresses ', Journal of Environmental Science and Technology, vol. 48, no. 6, pp. 3541-3549 . https://doi.org/10.1021/es405625q
Infants spend most of their time sleeping and are likely to be exposed to elevated concentrations of chemicals released from their crib mattresses. Small-scale chamber experiments were conducted to determine the area-specific emission rates (SERs) of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3c44c8211c2d8ce51af8791fc0bb1f7
https://cris.vtt.fi/en/publications/fe79bf1c-1c67-424f-94aa-6e79bc78e7ba
https://cris.vtt.fi/en/publications/fe79bf1c-1c67-424f-94aa-6e79bc78e7ba
Autor:
Hanna Iitti, Laura Tomppo, Markku Tiitta, Helena Järnström, Tapio Laakso, Mia Löija, Hannu Viitanen, Pekka Saranpää, Anni Harju, Martti Venäläinen, Reijo Lappalainen, Leena Paajanen
Publikováno v:
Tiitta, M, Tomppo, L, Järnström, H, Löija, M, Laakso, T, Harju, A, Venäläinen, M, Iitti, H, Paajanen, L, Saranpää, P, Lappalainen, R & Viitanen, H 2009, ' Spectral and chemical analyses of mould development on Scots pine heartwood ', European Journal of Wood and Wood Products, vol. 67, no. 2, pp. 151-158 . https://doi.org/10.1007/s00107-008-0298-5
Scots pine heartwood specimens were exposed to mould in controlled humid atmosphere (RH 95%, T =20 °C) and the responses of electrical impedance and Fourier transform infrared spectroscopy (EIS and FTIR) methods were studied. The concentration of me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de3bca78b23786d7600b2a1201ed02df
https://doi.org/10.1007/s00107-008-0298-5
https://doi.org/10.1007/s00107-008-0298-5
Publikováno v:
Järnström, H, Saarela, K, Kalliokoski, P & Pasanen, A-L 2008, ' The impact of emissions from structures on indoor air concentrations in newly finished buildings : Predicted and on-site measured levels ', Indoor and Built Environment, vol. 17, no. 4, pp. 313-323 . https://doi.org/10.1177/1420326X08093948
The impact of surface emissions (VOCs, ammonia, and formaldehyde) on the indoor air quality (IAQ) in newly established buildings was examined. Six apartment buildings, in which low-emitting, classified building materials were used, were investigated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f09d337b7350082935c85722e2ff9bd6
https://doi.org/10.1177/1420326X08093948
https://doi.org/10.1177/1420326X08093948
Autor:
Elina Sohlberg, Vuokko Lappalainen, Helena Järnström, Jarmo Laamanen, Hannu Viitanen, Pertti Pasanen
Publikováno v:
Lappalainen, V, Sohlberg, E, Järnström, H, Laamanen, J, Viitanen, H & Pasanen, P 2015, ' IAQ Simulator Tests: VOC Emissions from Hidden Mould Growth ', Energy Procedia, vol. 78, pp. 1212-1217 . https://doi.org/10.1016/j.egypro.2015.11.187
Clean indoor air is a prerequisite for the welfare of the society. The Indoor Air Quality simulator (IAQ simulator) offers a research tool for building physic and building material research to evaluate the effect of the complicated causal connections
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96409f84568e2915616b706331e66ed9
https://cris.vtt.fi/en/publications/2c4c0e0a-4254-4e97-8abb-cc17092e3998
https://cris.vtt.fi/en/publications/2c4c0e0a-4254-4e97-8abb-cc17092e3998
Publikováno v:
Järnström, H, Saarela, K, Kalliokoski, P & Pasanen, A-L 2006, ' Reference values for indoor air pollutant concentrations in new, residential buildings in Finland ', Atmospheric Environment, vol. 40, no. 37, pp. 7178-7191 . https://doi.org/10.1016/j.atmosenv.2006.06.021
Eight buildings, representing the present construction practice in Finland, were investigated to create numeric reference data for indoor air quality (IAQ) in new residential buildings. Low-emitting materials according to the “Finnish Classificatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4345534e5cf0fb88b6fba05ca088a69f
https://doi.org/10.1016/j.atmosenv.2006.06.021
https://doi.org/10.1016/j.atmosenv.2006.06.021
Autor:
Vuokko Lappalainen, Elina Sohlberg, Helena Järnström, Jarmo Laamanen, Hannu Viitanen, Pertti Pasanen
Publikováno v:
Lappalainen, V, Sohlberg, E, Järnström, H, Laamanen, J, Viitanen, H & Pasanen, P 2014, Indoor Air Quality Research in Laboratory Environment . in G Wirtanen & S Salo (eds), 45th R 3 Nordic Symposium : Cleanroom Technology, Contamination Control and Cleaning . VTT Technical Research Centre of Finland, Espoo, VTT Technology, vol. 168, pp. 173-176, 45th R3Nordic Symposium, Naantali, Finland, 19/05/14 . < https://publications.vtt.fi/pdf/technology/2014/T168.pdf#page=175 >
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
In the control of clean processes or environments, the real-time detection for biological airborne contaminants is invaluable. Rapid microbiological methods (RMMs) are commonly used in cleanroom environments, but now this method is applied also for i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6fd0b30b530e4b7512fdbe11afcf9b6f
https://cris.vtt.fi/en/publications/dbe925b0-5761-4c1a-b24f-f0488abf5f50
https://cris.vtt.fi/en/publications/dbe925b0-5761-4c1a-b24f-f0488abf5f50
Publikováno v:
Laarni, J, Aaltonen, I, Järnström, H, Määttä, H & Nykänen, E 2013, Development of theoretical tools for the analysis of knowledge-intensive work . in P Kommers & C Gauzente (eds), Proceedings of the IADIS International conference ICT, Society and Human Beings 2013 and IADIS International conference e-Commerce 2013 : Part of the IADIS Multi Conference on Computer Science and Information Systems, MCCSIS 2013 . IADIS International Association for Development of the Information Society, pp. 21-28, IADIS International Conference ICT, Society and Human Beings 2013, IADIS International Conference e-Commerce 2013, Part of the IADIS Multi Conference on Computer Science and Information Systems 2013, MCCSIS 2013, Prague, Czech Republic, 24/07/13 .
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
New Ways of Working (NewWoW) refers to knowledge-intensive work in which knowledge is applied to produce novel and innovative tools to different application areas. The aim of the present paper is to present three key features of New Ways of Working,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8ef523c026d7825fc0a1e183f98fe5b8
https://cris.vtt.fi/en/publications/f85b8480-9950-424c-811f-b325d55956b9
https://cris.vtt.fi/en/publications/f85b8480-9950-424c-811f-b325d55956b9
Autor:
Hannu Viitanen, Elina Sohlberg, malin bomberg, Riikka Juvonen, Mari Raulio, Tuija Sarlin, Miia Pitkäranta, Helena Järnström, Pertti Pasanen
Publikováno v:
Viitanen, H, Saario, E, Bomberg, M, Juvonen, R, Raulio, M, Sarlin, T, Pitkäranta, M, Järnström, H & Pasanen, P 2012, Rakennusten mikrobilajiston diversiteetti, moniulotteinen tutkimuskohde . in Sisäilmastoseminaari 2012, Dipoli, Espoo 14.3.2012 . SIY Sisäilmatieto Oy, SIY Raportti, no. 30, pp. 31-36 . < http://www.vtt.fi/inf/julkaisut/muut/2012/Viitanen.pdf >
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
Rakennusten mikrobiongelmien monimuotoisuus on häkellyttävän laaja ja mutkikas. Käsite "homeongelma" tarkoittaa lähes kaikkea kosteuden aiheuttamia mikrobiongelmia ja -vaurioita: bakteeri, home, laho sekä näiden yhdistelmiä. Mikrobiologiset j
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::56bf372ecd8769462de78d1121d2168f
https://cris.vtt.fi/en/publications/3bb430f2-c3b7-4f9e-a22a-184ce77c2771
https://cris.vtt.fi/en/publications/3bb430f2-c3b7-4f9e-a22a-184ce77c2771
Autor:
Ruut Peuhkuri, Juha Paavilainen, Helena Järnström, Tuija Sarlin, Erna Storgårds, Kristina Saarela, Hannu Viitanen, Miimu Airaksinen, Tuomo Ojanen
Indoor air quality (IAQ) is one of the most important factors for the welfare of the society. Indoor air quality is a complex result of different simultaneous affecting factors. Numerical and experimental simulation studies about the moisture transfe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2659::e77cfc765e4879485a16d02782f0852d
https://zenodo.org/record/3561736
https://zenodo.org/record/3561736