Aquaculture plays an important role in providing protein-rich foods, meeting the growing demand for fish.However, aquaculture is a potentially polluting activity, especially with regard to water pollution, due to the improper disposal of wastewater from the production process.Aquaculture wastewater is rich in nutrients (ammonia, nitrate, nitrite an
Instrumental insemination of Apis mellifera L.queens is a widely employed technique used in honeybee breeding that enables the effective control of mating.However, drone semen represents a potential source of honeybee viruses.In this study, 43 semen doses collected from apparently healthy drones, and consequently used in instrumental insemination,
Plasmid-mediated colistin resistance Cosmetic Tools gene mcr-1 generally confers low-level resistance.The purpose of this study was to investigate the impact of mcr-1 on the development of high-level colistin resistance (HLCR) in Klebsiella pneumoniae and Escherichia coli.In this study, mcr-1-negative K.pneumoniae and E.coli strains and their corre
A universal phase mismatch interval compensation method, which can be applied to temperature-insensitive frequency conversion, is experimentally demonstrated.In this method, two nonlinear crystals and an electro-optic crystal are cascaded.The generated phase mismatch in the nonlinear crystal can be well compensated for in the electro-optic crystal,
This paper considers chemical and analytical aspects of the preparation of samples of marine ferromanganese deposits (FMD) by stepwise selective leaching to determine their phase composition.The behaviour of samples with different mineral and chemical compositions at Cosmetic Tools various stages of their preparation was studied on the base of the