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The results of calculations of the efficiency of the shielding of a photoelectronic spectrometer by amorphous alloys, designed to protect the instrument from the Earth’s magnetic field, are presented. The distribution of the magnetic induction inside the shield for different positions of the instrument is measured. The anisotropy of the shielding properties of a magnetopolymer shield is investigated.
Age-related changes in the number of leucocytes and other cells of bone marrow origin were investigated in human dermis. The total number of CD45-positive cells increased with age, while the amount of fibroblasts in the dermis gradually decreased. Additionally, an age-related decrease in the number of PCNA-positive fibroblast-like cells, which indicates their proliferative activity, was clearly shown...
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