Virgin Frontier: Features of Virgin Land Development in Orenburg Region

Study of the Phosphorus Sorption Behaviour in the Cultivated and Virgin Soils of Khoy Region

To study the behaviour of phosphorus (P) sorption in the agricultural soils of Khoy region and the effect of long-term cultural management with the application of poultry manure on the P sorption parameters, bath experiments were carried out with 16 soil samples (8 cultivated and 8 virgin soils) and 9 initial P concentrations from 0 to 30 mg L-1 in 0.01M CaCl2 as a background solution. After eq...

Virgin of Guadalupe

The Virgin Island Model

A continuous mass population model with local competition is constructed where every emigrant colonizes an unpopulated island. The population founded by an emigrant is modeled as excursion from zero of an one-dimensional diffusion. With this excursion measure, we construct a process which we call Virgin Island Model. A necessary and sufficient condition for extinction of the total population is...

Virgin vs. Experienced Risks

Introduction Every day we face a multitude of risks. Some we have experienced before; some we have not. Some we have contemplated; others have never crossed our mind. In this essay, we define four types of risk based on these two dimensions: whether or not they have occurred and whether or not we have contemplated them. These four classes of risks are shown in Figure 1. Individual and societal ...

Macrina: Virgin and Teacher

Gregory of Nyssa lauded his older sister Macrina as "the common glory of our family" and acclaimed her as "the great Macrina" who had achieved the highest summit of human virtue. Indeed, in two works, the Life of Macrina and The Dialogue on the Soul and the Resurrection, he portrayed her as the ideal Christian teacher and philosopher, seeking God with her whole heart and mind.' In these two wor...