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- Gahlin, R, et al.
(författare)
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The crater grinder method as a means for coating wear evaluation - An update
- 1997
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Ingår i: SURFACE & COATINGS TECHNOLOGY. - : ELSEVIER SCIENCE SA LAUSANNE. - 0257-8972. ; 90:1-2, s. 107-114
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The crater grinder test has been developed in order to obtain the abrasive resistance of thin coatings. It is capable of determining the specific abrasive wear rate of the coating and the substrate individually, even for very thin coatings. This paper rep
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- Ostensen, R, et al.
(författare)
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ESO & NOT photometric monitoring of the Cloverleaf quasar
- 1997
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Ingår i: ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES. - : E D P SCIENCES. - 0365-0138. ; 126:3, s. 393-400
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The Cloverleaf quasar, H1413+117, has been photometrically monitored at ESO (La Silla, Chile) and with the NOT (La Palma, Spain) during the period 1987-1994. All good quality CCD frames have been successfully analysed using two independent methods (i.e. a
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