GLOBAL BEHAVIOR FOR A DIFFUSIVE PREDATOR-PREY MODEL WITH STAGE STRUCTURE AND NONLINEAR DENSITY RESTRICTION-I: THE CASE IN

Global Behavior for a Diffusive Predator-Prey Model with Stage Structure and Nonlinear Density Restriction-I: The Case in

This paper deals with a Holling type III diffusive predator-prey model with stage structure and nonlinear density restriction in the space.We first consider the asymptotical stability of equilibrium points for the model of ODE type.Then, the existence and Breast Feeding Accessories uniform boundedness of global solutions and stability of the equili

read more

Future needs for ship emission abatement and technical measures

The International Maritime Organization (IMO) has revised air pollution regulations in MARPOL Annex VI.In 2012 Emission Control Areas (ECA) will limit fuel sulphur content to 1% and from 2015 to 0.1%).NOx emissions based on ships engine speed are also reduced for new vessels (2012 & 2016).Facing this legislation, ship owners have the alternative ei

read more

Partnership between painters and sculptors in 17th-century Spain: on model drawings by Francisco Rizi for an altarpiece of the Expectant Virgin

This paper deals with a case study of the collaboration between sculptors and painters in the context of the construction of altarpieces in 17th-century Spain.It analyses a drawing by Francisco Rizi (Madrid, 1614-Escorial, 1685) in the British Museum depicting washer a sculptural group and fragments of an architectural framework, and relates it to

read more