This paper aims to investigate the spin dependent transport properties in hybrid nanoribbons, using non equilibrium Greens function method. The effects of temperature gradient between left and right leads, ferromagnetic exchange field, local external electric fields are also included. results show that up down currents produced flow opposite directions with almost equal magnitudes. evidently sh...

The space-time Greens functions for 3-D poststack and 3-D prestack migration in a homogeneous medium are derived under the far-field approximation. These Greens functions can be used to practically compute synthetic migrated images. Examples are given for the recording footprint noise associated with a point scatterer and a meandering river channel. The Greens functions also provide fundamental...

Superintendents know that management of putting greens is an art. Greens are often made of high-porosity sand that does not retain water or nutrients very effectively. Also, putting green grasses are cut extremely short, which does not allow a deep root system to develop and take up nutrients from deep in the soil profile. Therefore, putting greens require frequent irrigation and fertilizer app...

Dietary antioxidants play an important role against oxidation, an underlying mechanism in the incidence of chronic diseases. Greens+ is a commercially available preparation containing a variety of plant-derived ingredients. The aim of the current study was to evaluate the antioxidant potential of the methanolic extract of greens+ powder using in vitro and in vivo techniques. In vitro studies we...

The present paper deals with the study of biomass production of manures in the greens such as Amaranthus polygamus and Amaranthus viridis of the family Amaranthaceae and Spinacea oleracea of the family Chenopodiaceae. The medicinal uses and pharmaco - phytochemical analysis were also carried out for the plant species which are widely used as greens.

Analysis of aperture-coupled microstrip antennas with a superstrate using space domain closed form Greens functions is presented. Integral equations are derived from applying the boundary conditions on the radiating patch, across the aperture, and on the microstrip feedline. The computation of space domain greens functions is performed using the closed-form. The solution of the integral equatio...