In this work sub- and supercritical CO(2) were used to obtain extracts from two origanum samples, one commercial, and another cultivated under agronomic control. The experiments were performed in the temperature range of 293-313 K and from 100 to 200 bar in pressure, employing around 26 g of origanum samples. Results show that the commercial sample provides a higher yield of extract if compared...

A demonstration that the observed neutrinos are not Majorana particles Abstract It is shown that Majorana neutrinos cannot couple vectorially to the neutral-current SU(2) L x U(1) gauge field of the standard model. The absence of physics beyond the standard model (in particular Higgs-field configurations which lead to Majorana mass terms) is not assumed for this argument. Since the existence of...

Quantum dots are fruitful systems for studying charge and spin dynamics at the single electron level. In this thesis we explore electron dynamics under strong microwave driving. This reveals a range of interesting non-equlibrium dynamics. We first study Landau-Zener-Stückelberg-Majorana (LZSM) dynamics in a single electron charge qubit. Here we observe the expected multi-photon transition fring...

If neutrino conversions within the Sun result in partial polarization of initial solar neutrino fluxes, then a new opportunity arises to observe the ¯ νe's in future neutrino experiments in the low energy region (such as BOREXINO or HELLAZ) and thus to probe the Majorana nature of the neutrinos. The νe → ¯ νe conversions may take place for low energy solar neutrinos while being unobservable at ...

Abstract Organic industrial materials are exposed to fungal deterioration; prevent this, several additives can be used. In the present work, Egyptian cotton linters, linen textile, and parchment (goat skin) provided from zones in Egypt were The application of eco-friendly essential oils (EOs) isolated Pinus rigida wood Origanum majorana green leaves linter paper pulp (CLP), as bio-fungicides pr...