Microplastic contamination in water provides an ideal surface for biofilm formation.It facilitates other pollutants, such as heavy metals, to attach to their surface.This interaction leads to biological and environmental problems.We tested this phenomenon by investigating the presence of microplastics in water, biofilms on surfaces, and heavy metal

To meet the requirement of practical teaching of electromechanics course, a model inverter for the school laboratory is designed, which converts the power supply into another arbitrary frequency electric energy to drive the three-phase asynchronous motor to rotate.The motor control system can control the soft start of the motor.Variable voltage and

Background.Safflower belongs to the category of insurance oilseeds, it is able to grow and form Toddler a seed crop for vegetable oils in extremely arid conditions.The production of safflower seeds is associated with extreme conditions, and therefore it is necessary to clarify in the arid climate of the Volgograd region in the zone of light chestnu