Critical current in multifilamentary Ag-sheath Bi-2223 tape is enhanced to some extent by means of thin and narrow coating of pure nickel. The concept of enhancing critical current is based on the magnetic shielding effect resulting in redirection of self-field flux lines. The Ni coating was introduced at the edge regime of the tape in order to redirect the perpendicular component of self-field...

Both liquidus and subsolidus phase equilibrium data are of central importance for applications of high temperature supercon-ductors in the (Bi, Pb)-Sr-Ca-Cu-O system, including material synthesis, melt processing and single crystal growth. The sub-solidus equilibria of the 110 K high-Tc Pb-doped 2223 ([Bi, Pb], Sr, Ca, Cu) phase and the location of the primary phase field (crystallization field...

Ag/Bi-2223 tapes were fabricated using the Powder-In-Tube method, involyH1~ intermediate deformation techniques of sandwich rolling (SR), pressing (P) and nQl1l1~~ rolling (NR). Magnetic field B depen:lence of Jc was measured. Depending 6rt:~~' relationship between )c and B, the irreversible magnetic field Birr was determineli)lIl..W: pinning force density F was calculated. The experimental res...

Assessment of biological effects under the conditions combined exposure to harmful production factors: ISSN 2223-6775 Ukrainian journal occupational health Vol.18, No 3, 2022https://doi.org/10.33573/ujoh2022.03.181 factors Litovchenko O.1, Zavgorodnii I.1, P

Many variables control the critical current density (Jc ) in BSCCO-2223 composites but not all of them are yet well understood, or even positively identified. One important factor is reported to be the density of the BSCCO filament, as measured by microhardness. Since different deformation processes may be used during fabrication, and each can have a different effect on the final BSCCO core den...

Psychohygienic assessment of the influence insulation on life activities students higher education in conditions COVID-19 epidemic (review): ISSN 2223-6775 Ukrainian journal occupational health Vol.18, No 1, 2022https://doi.org/10.33573/ujoh2022.01.071 COV

The hygienic principles of using bactericial ultraviolet monochrome led irradiators the open type for premises air disinfecting: ISSN 2223-6775 Ukrainian journal occupational health Vol.18, No 3, 2022https://doi.org/10.33573/ujoh2022.03.216 disinfecting Nazarenko