This study aimed at evaluating the toxicity of insecticides used in melon crop (Cucumis melo L.) on adults of Apis mellifera L. (Hymenoptera: Apidae) under laboratory conditions. Three ways of exposure were used: direct spraying, feeding with insecticide contaminated diet, and contact with sprayed leaves. Bees were exposed to the insecticides abamectin,… (More)
In this paper, bow-tie graphene antennas of different geometries are suggeted and analyzed. Modifying the antenna geometry one can control the current pathway and, consequently, the antenna resonances.