Autor: Baş, P. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Radioactivity Measurement on Dental Resin Composites
Autorzy:: Akkurt, İ.
Ermiş, R.
Baş, P.
Günoğlu, K.
Powiązania:: https://bibliotekanauki.pl/articles/1402383.pdf
Data publikacji:: 2015-08
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 29.30.Kv
29.40.Mc
98.70.Vc
Opis:: Radioactivity is mainly due to natural ones from earth and also from outside of the atmosphere so-called cosmic radiation. Although radiation sources and their dose effect on humans are known, there is still some conflict on their health effect especially on dental restoration. The limited data for radioactive dental materials and their potential risks for patient makes those materials interesting to be investigated. For this purposes, uranium, thorium and potassium activity have been measured in some dental restorative materials, such as resin composites containing silica and zirconia particles as filler loading, using gamma spectrometer system with NaI(Tl) detector.
Źródło:: Acta Physica Polonica A; 2015, 128, 2B; B-34-B-36
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Novel developments in dimensional nanometrology in the context of Geometrical Product Specifications and Verification (GPS)
Autorzy:: Durakbasa, M. N.
Osanna, P. H.
Bas, G.
Demircioglu, P.
Cakmakci, M.
Hornikova, A.
Powiązania:: https://bibliotekanauki.pl/articles/384407.pdf
Data publikacji:: 2012
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: precision metrology
design
manufacturing
workpiece tolerancing
Opis:: Adequate knowledge in the areas of intelligent coordinate metrology and design are important presuppositions to achieve waste free production and low costs of manufacturing with higher quality and accuracy at the same time. This is of extreme importance in present time of worldwide international competition in industry and production and at the same time increasingly higher costs of energy and raw material. The prescription and consumption of material and energy to achieve the necessary and required workpiece accuracy in series manufacturing depends to a great extent from the (geometrical) workpiece tolerances of any kind (roughness, form, positional, dimensional) which are prescribed for the production and the fulfillment of these tolerances and therefore for the function of the produced workpieces and their fitness for practical application and none the less of the economy of production altogether. This requirement is of great importance at the time being which is characterized as described above.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2012, 6, 2; 22-25
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Surface characterization by accurate measurement and image processing systems on machined surfaces of precision cutting tools
Autorzy:: Durakbasa, N. M.
Bogrekci, I.
Demircioglu, P.
Bas, G.
Gunay, A.
Powiązania:: https://bibliotekanauki.pl/articles/385129.pdf
Data publikacji:: 2012
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: surface roughness
end milling
image processing
precision machining
Opis:: High precise measurement techniques and surface structure analysis are required in advanced fields of interchangeable manufacturing and precision engineering. This study presents the characterization of the surface roughness of the machined milling cutters by experimental precision measurements and the image processing tool. The data obtained are compared to assess the surface characterization parameters and computational data in terms of precision, accuracy, sensitivity, repeatability and resolution. In the experimental measurement phase, the roughness measurements and surface topography characterization were performed in the nanotechnology laboratory using the stylus profilometry and digital microscopy. The computational phase was performed using an image processing toolbox with precise evaluation of the roughness for the machined metal surfaces of the end mill cutting tool. The surface parameter database is established exhibiting an advantage over the traditional method. This study reveals a comparison methodology of the end mill surface parameters using both stylus readings and image processing software for widely used end mill cutting tools that have considerable effect on characterization of sensitive manufacturing surface of millings.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2012, 6, 3; 51-55
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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