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Sensor de pressão ótico baseado em nanoestruturas de zircónia

Um grupo de investigadores de uma universidade portuguesa desenvolveu o conceito de um medidor de pressão de gases baseado no controlo da emissão proveniente de nanoestruturas de zircónia. A invenção visa medir a pressão de gases baseando-se na emissão das nanopartículas que é distinta em função da quantidade de moléculas de gás que as envolve ...

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Asymmetric heterogeneous catalysts

A copper(II) complex with a commercial chiral bis(oxazoline) anchored onto porous solid supports, such as ordered mesoporous silica materials and their respective carbon replicas, acts as an enantioselective heterogeneous catalyst of several organic reactions. The copper(II) bis(oxazoline) complex acts as a known homogeneous catalyst, but it can not be easily separated from the reaction media and the ligand is of high cost ...

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Wireless power transfer method

A group of researchers has developed a new method to transfer energy wireless-based on resonant electrical coupling. This invention allows for an efficient energy transfer between two devices physically separated by a significant distance in comparison to their size. With this method it is possible to achieve a higher maximum operating distance in comparison to the traditional electrical coupling ...

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Blocos e sistema de construção modular

Um investigador de uma universidade portuguesa desenvolveu um novo sistema de construção modular que utiliza blocos que dispõem de uma geometria específica de forma a permitir uma fácil ligação e montagem dos elementos formando um painel de maiores dimensões. Este sistema de construção modular pode ser utilizado em diversas áreas desde a construção civil, ao mobiliário ou outras áreas da engenharia ...

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3D printer for the in-situ building of habitable modules with a raw mixture of binders and the soil of Mars

A student of the University of Aveiro did the “spin-in” of an invention that started to be developed with the collaboration of teachers and investigators of several departments. The invention, that’s been arising interest in the business sector, locally and nationally, aims at the production of habitable modules using the soil in inhospitable locations, and it was specifically thought for Mars ...

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Method for the measurement of the light response of chlorophyll a fluorescence

A group of researchers of a Portuguese university has developed a method for the measurement of the in vivo emission of chlorophyll a fluorescence by photosynthetic organisms. This invention allows to measure the photosynthetic activity through the generation of ?light-response curves?, a common way of evaluating the physiological state of plants, algae or other photosynthetic organisms ...

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