Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Ville Hyvärinen"'
Publikováno v:
International Journal of Circumpolar Health, Vol 75, Iss 0, Pp 1-6 (2016)
Objectives: We aimed to measure and evaluate whole-body vibration (WBV) exposure among drivers of mining vehicles in the Barents region. Study design: In the period from November 2012 to August 2014, this cross-sectional study was carried out at 3 mi
Externí odkaz:
https://doaj.org/article/ba9a5586647a491f9c5ba2fa086db06e
Publikováno v:
International Journal of Circumpolar Health
International Journal of Circumpolar Health, Vol 75, Iss 0, Pp 1-6 (2016)
International Journal of Circumpolar Health; Vol 75 (2016)
International Journal of Circumpolar Health, Vol 75, Iss 0, Pp 1-6 (2016)
International Journal of Circumpolar Health; Vol 75 (2016)
Objectives . We aimed to measure and evaluate whole-body vibration (WBV) exposure among drivers of mining vehicles in the Barents region. Study design . In the period from November 2012 to August 2014, this cross-sectional study was carried out at 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ec578a6fc46620c3615f2ecda883362
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-117235
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-117235
Publikováno v:
Applied Spectroscopy. 55:852-857
The reflectance from industrial pulping solutions was investigated with the use of a reflectometer. It was observed that the reflectance is time-dependent on the contamination of the probe window. The optical constants of the pulping solutions were c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17fbc5af2562257a3117960f614a518c
https://doi.org/10.1366/0003702011952884
https://doi.org/10.1366/0003702011952884
Dynamic laser speckle pattern in monitoring of local deformation of tablet surface after compression
Publikováno v:
International Journal of Pharmaceutics. 199:205-208
A method and a sensor device were developed to detect dynamic laser speckle pattern for monitoring of deformation of pharmaceutical tablets after compression. Temporal variations in optical signal revealed local surface deformation of the ibuprofen a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fc03cdfdc308bb2faafa35ecc463d48
https://doi.org/10.1016/s0378-5173(00)00384-7
https://doi.org/10.1016/s0378-5173(00)00384-7
Autor:
Juha Kalliokoski, Mika Sorjonen, Ville Hyvärinen, Kai-Erik Peiponen, Raimo Silvennoinen, Tapani Niskanen
Publikováno v:
Optics and Lasers in Engineering. 33:311-315
A technique for all-optical laser cleaning and surface quality monitoring of concave metal surfaces is suggested. Contaminated pharmaceutical punches from a tablet compression machine were cleaned using high-energy laser pulses. Image information obt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9ada0d4e99009a13d61e7b5952fc7fd
https://doi.org/10.1016/s0143-8166(00)00051-8
https://doi.org/10.1016/s0143-8166(00)00051-8
Publikováno v:
European Journal of Pharmaceutics and Biopharmaceutics. 49:167-169
Optical surface quality of concave shaped punches was investigated with a diffractive optical element based sensor. Image information of the present sensor was studied for the purpose of surface roughness and reflectance inspection. The robust sensor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f117b199bb3034d3d4050b9f780fa0ee
https://doi.org/10.1016/s0939-6411(99)00071-5
https://doi.org/10.1016/s0939-6411(99)00071-5
Publikováno v:
Optics and Lasers in Biomedicine and Culture ISBN: 9783642630736
Optical techniques for pharmaceutical compact inspection are presented. Surface statistics of porous compacts was investigated with aid of specular reflectance. Diffractive optical element was applied for surface quality inspection.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::952869f6b2cb79eba26aff9a01db8d6a
https://doi.org/10.1007/978-3-642-56965-4_52
https://doi.org/10.1007/978-3-642-56965-4_52
Autor:
Raimo Silvennoinen, Tapani Niskanen, Pasi Raatikainen, Kai-Erik Peiponen, Petteri Paronen, Ville Hyvärinen
Publikováno v:
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V. 49(1)
Optical inspection techniques for estimation of surface roughness and surface quality of flat punches, which are used in the pharmaceutical industry for tablet compression, were studied. It was observed that a simple specular reflection technique is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84d4918cf6994a822d9ff067cdc5c01f
https://pubmed.ncbi.nlm.nih.gov/10613932
https://pubmed.ncbi.nlm.nih.gov/10613932
Publikováno v:
International journal of pharmaceutics. 182(2)
Optical surface roughness of starch acetate compacts was investigated by specular reflection of a laser beam as a function of angle of incidence. The intensity data was fitted using the model of Gaussian and Lorentzian curves to solve numerical value
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60e0dbb61744bc153186a3f1fc39cd84
https://pubmed.ncbi.nlm.nih.gov/10341310
https://pubmed.ncbi.nlm.nih.gov/10341310