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Browsing by Subject "Boron"

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    • Article  

      Boron adsorption on alumina (Al2O3) and magnesia (MgO) in aqueous solutions: A comparative study 

      Konstantinou, M.; Kasseta, G.; Pashalidis, Ioannis (2006)
      The adsorption of boron on alumina (Al2O3) and magnesia (MgO) has been investigated in aqueous solutions as a function of pH, boron concentration, amount of adsorbent, ionic strength and temperature. Analysis of the ...

    • Article  

      Boron determination in a multi element national water monitoring program: the absence of legal limits 

      Loizou, Eleni; Kanari, Popi; Kyriacou, Georgia; Aletrari, Maria (2010)
      Directive 98/83/EC concerning the drinking water quality and Directive 80/777/EC for Natural Mineral Water demand strict control and monitoring for the presence of metals. The State General Laboratory as the official control ...

    • Article  

      Boron in groundwaters of Nicosia (Cyprus) and its treatment by reverse osmosis 

      Georghiou, G.; Pashalidis, Ioannis (2007)
      Boron levels in groundwaters of Nicosia have been determined, compared to previous concentration data and correlated to the concentration of other chemical species contained in the groundwaters under investigation. According ...

    • Article  

      The effect of boron additions on the tribological behaviour of TiN coatings produced by electron-beam evaporative PVD 

      Rebholz, Claus; Leyland, A.; Larour, P.; Charitidis, C.; Logothetidis, S.; Matthews, A. (1999)
      TiN coatings containing small amounts of boron were synthesized by electron beam evaporating a Ti-B alloy material from a single crucible source into a plasma comprising Ar or an Ar/N2 mixture at a substrate temperature ...

    • Article  

      Effects of Ge concentration, boron co-doping, and hydrogenation on fiber bragg grating characteristics 

      Konstantaki, M.; Tamiolakis, Q.; Argyris, A.; Othonos, Andreas S.; Ikiades, A. (2005)
      In this paper, we compare photosensitivity, refractive-index modulation depth, spectral bandwidth, and excess loss through the inscription of fiber Bragg gratings in unloaded and hydrogen-loaded fibers with low- or ...

    • Article  

      Seasonal variation, chemical behavior and kinetics of uranium in an unconfined groundwater system 

      Efstathiou, Maria; Aristarchou, T.; Kiliari, T.; Demetriou, Antri; Pashalidis, Ioannis (2014)
      The seasonal changes in the concentration of uranium in an unconfined groundwater system in Cyprus have been investigated and compared to corresponding changes of boron and salinity, to better understand the chemical ...

    • Article  

      Spectophotometric studies on the competitive adsorption of boric acid (B(III)) and chromate (Cr(VI)) onto iron (OXY) hydroxide (Fe(O)OH) 

      Demetriou, Antri; Pashalidis, Ioannis (2012)
      Various pollutants (e.g. boron and hexavalent chromium) are introduced into the aquatic environment from a variety of industrial operations causing damages to environment and affecting human health. Boron in irrigation ...

    • Article  

      Structure, hardness and mechanical properties of magnetron-sputtered titanium-aluminium boride films 

      Rebholz, Claus; Leyland, A.; Schneider, J. M.; Voevodin, A. A.; Matthews, A. (1999)
      TiAlB films nominally 2 μm thick were produced by simultaneous sputtering from TiAl and TiB2 targets onto Si-(110) and AISI316 stainless steel substrate materials at a temperature of 170°C. The influence of different B/Al ...

    • Doctoral Thesis  Open Access

      Ανταγωνιστική προσρόφηση B(III)-Cr(VI) σε επιφάνειες μεταλλοξειδίων και πετρωμάτων 

      Δημητρίου, Αντρούλλα Ι. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2017-07)
      Αντικείμενο έρευνας της παρούσας Διδακτορικής Διατριβής αποτελεί η μελέτη της ανταγωνιστικής προσρόφησης B(III) και Cr(VI) στα μεταλλοξείδια αλουμίνα (Αl2O3), μαγνήσια (MgO) και (όξυ)υδροξείδιο του σιδήρου (Fe(O)OH) καθώς ...

    • Doctoral Thesis  Open Access

      Δομή και δραστικότητα σιλανο-αμινοαλκοολών με σύμπλοκα οξοβαναδίου και βορίου σε υδατικό διάλυμα 

      Ευγενίου, Ευγένιος (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2006-06)
      Οι αντιδράσεις βαναδικών και βορικών με τα καρβασιλατράνια μέθοξυ{N,N',Ν''-2,2',3-[δις(1-μεθυλαιθανολατο)(προπυλο)]αμινο}πυρίτιο (12), s,s-μέθοξυ{N,N',Ν''-2,2',3-[δις(1-μεθυλαιθανολατο) (προπυλο)]αμινο}πυρίτιο (s,s-12), ...

    • Doctoral Thesis  Open Access

      Υβριδικά πυριτικά υλικά ως ροφήτες βορίου και υποδοχείς νανοσωματιδίων: διδακτορική διατριβή 

      Μολέσκη, Ροδοθέα Γ. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2006-11)
      Στο παρόν διδακτορικό συντέθηκαν πυριτικά υλικά με τη μέθοδο sol-gel τα οποία έχουν χρησιμοποιηθεί σε δυο διαφορετικές εφαρμογές. Η πρώτη εφαρμογή είναι η ανάπτυξη μεθοδολογίας για ρόφηση βορικών ανιόντων από υδατικά ...

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