This paper presents some theoretical results on the sphere coverage problem in ULTRA OMEGA-3 the n-dimensional space.These results refer to the minimal number of spheres, denoted by Nk(a), to cover a cuboid.The first properties outline some theoretical results for the numbers Nk(a), including sub-additivity and monotony on each Robes variable.We us
Hemlock woolly adelgid (Adelges tsugae Annand, HWA) is an introduced invasive forest pest Bubblers in eastern North America.Herbivory by this insect results in mortality to eastern hemlock (Tsuga canadensis L.Carr.) and Carolina hemlock (Tsuga caroliniana Engelm.).These species occur in landscapes where extreme topographic variation is common.The v
The use of innovations and information technology approaches in the agricultural sphere of Ukraine under conditions of global influence has been based on the results of multifaceted long-term research.Our goal was to reveal the peculiarities of the formation of Ukrainian natural science knowledge in historical retrospect using problem-chronological