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Christchurch, New Zealand

The feijoa plant (Feijoa sellowiana, family Myrtaceae, synonym, Acca sellowiana) produces fruit similar to that of the guava. It is native to Brazil but is grown in many countries as a food crop, especially New Zealand, where it is valued for its highly aromatic fruit. This review covers published work on the bioactive components of the fruit of the feijoa and their pharmacology. Potential value might be added to this fruit if extracts of the fruit were to be used for nutraceutical purposes. © 2010 Elsevier Ltd. All rights reserved. Source

Simpkin R.,Industrial Research Ltd.
IEEE Transactions on Microwave Theory and Techniques

Lichtenecker's logarithmic mixture formula for dielectrics has proven to be a useful practical formulation for determining the effective permittivity of homogenized dielectric mixtures. However, the formula itself has long been regarded as semiempirical in nature without firm theoretical justification. This paper shows that Lichtenecker's formula can be derived by applying Maxwell's equations and the principle of charge conservation to a mixture for which the spatial distribution of shapes and orientations of the components is randomly distributed. Furthermore, the relationship between the Lichtenecker formula and the well-known mixture formulas due to Maxwell-Garnett is demonstrated. Similarly, it is shown that the symmetric mixture formula of Bruggeman can also be obtained from the Lichtenecker formula. © 2006 IEEE. Source

Industrial Research Ltd. | Date: 2013-01-31

A process for the separation of carbon dioxide from gas mixtures is disclosed in which a metal oxide sorbent, which is used to capture and release carbon dioxide, is recycled. The process incorporates the regeneration of the carbon dioxide capture capacity of the metal oxide to maintain a high capture capacity over many cycles. The regeneration involves hydrating the metal oxide and then heating the resulting metal hydroxide under a gas atmosphere that is effective to suppress the dehydration of the hydroxide so that dehydration occurs at an elevated temperature. The regeneration may also be used independently from the carbon dioxide separation process to produce, from a metal hydroxide, a metal oxide having an enhanced resistance to attrition and fragmentation.

Bubanja V.,Industrial Research Ltd.
Physical Review B - Condensed Matter and Materials Physics

We study electron transport through a hybrid single-electron transistor, consisting of a superconducting island and normal-metal electrodes, in the Coulomb blockade regime. We derive analytic expressions for the elastic and inelastic cotunneling currents, which exhibit power law suppression induced by the dissipative electromagnetic environment. The results can be used to improve the accuracy of hybrid devices employed in electrical metrology and for noise measurements in quantum information processing. © 2011 American Physical Society. Source

Industrial Research Ltd. | Date: 2013-12-13

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