Evolution of the perseid meteor shower over last 130 years from visual observations of the years of perihelion passage by the comet. The shower activity grew exponentially and has increased by
a Mass distribution of Perseid meteoroids sections of the stream at the ascending and descending branches of the curve of the parameter S indicate
a Carbon nanotube-modified electrodes for electrochemical DNA-sensors). According to the data of atomic force microscopy, the layers of CNTs on GCEs possess
a homogeneous