In this work we have used melt-processing to mix liquid-exfoliated boron-nitride nanosheets with PET to produce composites for gas barrier applications. Sonication of h-BN powder, followed by centrifugation-based size-selection, was used to prepare suspensions of nanosheets with aspect ratio >1000. The solvent was removed to give a weakly aggregated powder which could easily be mixed into PET, ...

introduction: increasing pressure on available funds in health care section especially hospitals, enhances the need of analyzing different strategies in economic terms. one of the solutions for the optimal use of financial resources and potentials in hospitals and health care centers is using elements of the marketing mix. in this way we could make the best use of the resources and cause a retu...

Vascularized composite allotransplantation is a continuously evolving area of modern transplant medicine. Recently, vascularized composite allografts (VCAs) have been formally classified as 'organs'. In this review, key aspects of VCA procurement are discussed, with a special focus on interaction with the procurement of classical solid organs. In addition, options for a matching and allocation ...

A new approach in the method of depositing an external lubricant on the die walls of a powder metallurgy press has been developed which allows the compaction of parts from mixes with no or minimal lubricant content. By heating the die to moderate temperatures (70°C 100°C) and using new composite lubricants, optimum thickness lubricant layers can be deposited allowing the compaction-ejection of ...

Polycaprolactone/Hydroxyapatite (PCL/HA) composite is an excellent material for fabricating tissue engineering scaffolds, especially as bone scaffolds. However, polarity differences between the hydrophilic HA and the hydrophobic PCL often leads to poor dispersion during the blending process. This is due to the tendency of the HA particles to agglomerate, and the difficulty to efficiently mix th...

The contribution of this paper is twofold. First we present a new simple electronic voting scheme having standard re-encryption mix net back-end, which allows to cast a ballot and verify its correctness in a new way. Then we extend the proposed scheme to represent a new very efficient mix network construction. We called our mix network to be self-proving mix, because it is shown how mix process...

The current online voting system used in Estonia has not employed mathematically secure verifiable proofs of correctness for ensuring the honesty of the tabulation server [Com13a]. The auditing is based on observation of the procedures and if the procedures are done according to the protocol. Even though the protocol was not followed, as the cast votes were transferred from ballot storing serve...

Mix-automatic sequences form a proper extension of the class of automatic sequences, and arise from a generalization of finite state automata where the input alphabet is state-dependent. In this paper we compare the class of mix-automatic sequences with the class of morphic sequences. For every polynomial φ we construct a mix-automatic sequence whose subword complexity exceeds φ. This stands in...

Recently a conformally invariant action describing the Wilson-Fisher fixed point in D=4−ϵ dimensions presence of finite UV cutoff was constructed [44]. In present paper we construct two composite operator perturbations this with definite scaling dimension also cutoff. Thus (as well as action) is defined at all momenta 0≤p≤∞ and low energies they reduce to ∫xϕ2 ∫xϕ4 respectively. The constructio...