The differences between oak lepidopteran communities 10mm were studied in Slovakia in 1993 and 1994.Sampling was undertaken between April and October on 3 oak species (Quercus robur, Q.petraea, Q.rubra).Biological traits of larvae were examined in order to explain differences in seasonal guilds among oaks.Communities varied in structure and abundan
A numerical method (F.E.)was derived for incompressible viscoelastic materials, the aging and environmental phenomena especially the temperature effect was considered in this method.A treatment of incompressibility was made for all permissible values of poisons ratio.A mechanical model represents the incompressible viscoelastic materials and so the
An instance of a balanced optimization problem 10mm with vector costs consists of a ground set X, a cost-vector for every element of X, and a system of feasible subsets over X.The goal is to find a feasible subset that minimizes the so-called imbalance of values in every coordinate of the underlying vector costs.Balanced optimization problems with
Wire and arc additive manufacturing has unique process characteristics, which make it have great potential in many fields, but the large amount of heat input brought by this feature limits its practical application.The influence of heat input on the performance of parts has been extensively studied, but the Stress Management quantitative descriptio
The impact of global phosphorus scarcity on food security has increasingly been the focus of scientific studies over the past decade.However, systematic analyses of alternative futures for phosphorus supply and demand throughout the food system are still rare and provide limited inclusion of key stakeholders.Addressing global phosphorus scarcity re