34 research outputs found
Determination of mechanical properties of historical paper based on NIR spectroscopy and chemometrics - a new instrument
Due to sampling restrictions in the analysis of cultural heritage materials, non-destructive approaches are intensively sought for. While NIR spectrometry has rarely been used for this purpose due to the complexity of the spectra, chemometric methods can be used to extract the necessary information. For the purpose of determination of mechanical properties of historical paper, partial least squares approach was used and it is shown that tensile strength, and tensile strength after folding, can be estimated based on NIR spectra. As the mechanical properties of paper-based objects define their accessibility, a new dispersive portable instrument was built, which will enable us to rapidly survey the condition of library and archival collections
Effects of low ambient calcium levels on whole-body Ca2+ flux rates and internal calcium pools in the freshwater cichlid teleost, Oreochromis mossambicus
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10767.pdf (publisher's version ) (Open Access
Whole body calcium flux rates in cichlid teleost fish Oreochromis mossambicus adapted to freshwater
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10752.pdf (publisher's version ) (Open Access
Effects of ovine prolactin on calcium uptake and distribution in Oreochromis mossambicus
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10766.pdf (publisher's version ) (Open Access
Prolactin and calcium-metabolism in the teleost fish sarothodon-mossambicus
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17453.pdf (publisher's version ) (Open Access
Environmental effects on Ca-uptake in the cichlid teleost Oreochromis mossambicus
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