Výsledky vyhledávání - "J. Heinänen"

Dissolved air flotation treatment of concentrated fish farming wastewaters

Autor: M. Viitasaari, P. Jokela, E. Ihalainen, J. Heinänen

Publikováno v: Water Science and Technology. 43:115-121

Fish farming wastewaters contain nutrients, phosphorus and nitrogen, which promote eutrophication in the typically shallow farming sites in Finland. Fish farming wastewater treatment is problematic because of large quantities of very dilute wastewate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::463140671ee4cf223ddb351df906e5bc
https://doi.org/10.2166/wst.2001.0478

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Spondylodesis in the treatment of segmental instability of the lumbar spine with special reference to clinically verified instability

Autor: Terhi Koivunen, Eero Gullichsen, J. Heinänen, Hannu T. Aro, Esa Kotilainen

Publikováno v: Acta Neurochirurgica. 139:629-635

We analysed the outcome of 42 consecutive patients suffering from low back pain and segmental instability of the lumbar spine who underwent spondylodesis with transpedicular fixation. There were 29 (69%) females and 13 (31%) males with a mean age of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9cadfe357a5a351b11259a1bf19f8ca
https://doi.org/10.1007/bf01411998

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Use of dissolved air flotation in potable water treatment in Finland

Autor: P. Jokela, J. Heinänen, T. Ala-Peijari

Publikováno v: Water Science and Technology. 31:225-238

The basic concepts of treating humic waters with dissolved air flotation are discussed emphasizing the important role of zeta potential in the forming of floc-air-bubble-agglomerates. Then practical experiences from Finnish drinking water treatment p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df1832e2b74ddd38d6eab8c6ccc6105c
https://doi.org/10.2166/wst.1995.0532

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Dissolved air flotation in the treatment of industrial wastewaters with a special emphasis on forest and foodstuff industries

Autor: J. Heinänen, M. Viitasaari, P. Jokela

Publikováno v: Water Science and Technology. 31:299-313

The suspended solids separation is an essential element in almost any wastewater treatment system. If sedimentation, dissolved air flotation and filtration are compared, flotation has both the largest operational ranges concerning influent suspended

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49b9c7f00f459e57d77d07c3d656957e
https://doi.org/10.2166/wst.1995.0539

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Posterolateral spondylodesis using bioactive glass S53P4 and autogenous bone in instrumented unstable lumbar spine burst fractures. A prospective 10-year follow-up study

Autor: Janek Frantzén, E. Gullichsen, Sami Kajander, J. Rantakokko, Nina Lindfors, J. Heinänen, E. Kotilainen

Publikováno v: Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society. 101(1)

Background and Aims A prospective long-term follow-up study of bioactive glass (BAG)-S53P4 and autogenous bone (AB) used as bone graft substitutes for posterolateral spondylodesis in treatment of unstable lumbar spine burst fractures during 1996–19

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6503d6878f83d25f790ba6a1be1ed9c
https://pubmed.ncbi.nlm.nih.gov/22414472

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Results of surgery for Achilles tendon overuse injuries

Autor: S. Orava, J. Heinänen

Publikováno v: Journal of Science and Medicine in Sport. 9:7-8

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0461fbd4cf554e9bd4135700bfb575c
https://doi.org/10.1016/j.jsams.2006.12.014

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Experimental Studies on the Kinetics of Flotation

Autor: J. Peltokangas, P. Jokela, J. Heinänen

Publikováno v: Chemical Water and Wastewater Treatment II ISBN: 9783642778292

Dissolved-air flotation (DAF) is a combination of several physical and chemical unit processes and operations. This study is focused on the phenomena in the flotation tank and especially on the formation and rising of air-bubble floc agglomerates (ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::330de702deb0a77f6a3af4c4d7b9e29f
https://doi.org/10.1007/978-3-642-77827-8_16

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A data abstraction language based on microprogramming

Autor: R. Kurki-Suonio, J. Heinänen

Publikováno v: MICRO

The paper describes the basic ideas in extending a machine-oriented microprogramming language into a system implementation language through data and control abstraction. The approach allows an extremely primitive base language to be bootstrapped to a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c468425cb81aea36371daa7a3a355bb7
https://doi.org/10.1145/1014190.802722

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