Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Tapani Niskanen"'
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
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:
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V. 46(3)
The surface roughness of erythromycin acistrate tablets was studied by non-contact laser profilometry. Seven roughness parameters and 3D fractal dimension were examined. The mechanical properties (including crushing strength, friability and disintegr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b7848825f6ec7213fc8a639d0542734
https://pubmed.ncbi.nlm.nih.gov/9885307
https://pubmed.ncbi.nlm.nih.gov/9885307
Publikováno v:
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V. 46(2)
The correlation between dissolution rate and porosity of compressed erythromycin acistrate tablets was studied. The total porosity of the tablets, the pore size distribution and the specific surface area of the pores were determined using high-pressu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::324b4feb32207365cdd120f2dc344b7a
https://pubmed.ncbi.nlm.nih.gov/9795044
https://pubmed.ncbi.nlm.nih.gov/9795044
Publikováno v:
BMC Oral Health
BMC Oral Health, Vol 8, Iss 1, p 3 (2008)
BMC Oral Health, Vol 8, Iss 1, p 3 (2008)
Background In Finland, dental services are provided by a public (PDS) and a private sector. In the past, children, young adults and special needs groups were entitled to care and treatment from the public dental services (PDS). A major reform in 2001
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d3cdb2285d7405875923c6934795571