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Year XXXI, Issue 4, 2022<<Archive>>

Еducаtion: Thеory аnd Prаcticе

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MAGNETIC PROPERTIES

Here will be explained and showed what magnetic properties and magnetism it self are. The experiments are based on showing how different materials work in magnetic field or what happened to them in magnetic field. The magnetic properties will be shown on alumi...

magnetism; magnetic field; magnetic properties

From thе Rеsеаrch Lаborаtoriеs

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AN EVALUATION OF WATER AND GAS INJECTIONS WITH HYDRAULIC FRACTURING AND HORIZONTAL WELLS IN OIL-SATURATED SHALE FORMATIONS

A variety of methods are examined in this study in order to improve oil recovery from low-permeability heterogeneous reservoirs in oil-saturated shale deposits. Calculations based on the fluid flow model revealed that water and gas injection was effective, and...

gas injection; water injection; hydraulic fracturing; horizontal wells; shale formation

Sciеncе аnd Sociеty

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SECOND SUMMER SCHOOL ON SPACE RESEARCH, TECHNOLOGY AND APPLICATIONS

The Second Summer School on Space Research, Technology and Applications took place between 3 – 10 July 2022 at the National Astronomical Observatory (NAO) in Rozhen, Bulgaria. The school is held for the second year and is organized by the Branch “Cosmos” of th...

summer school; space research; PhD students; young scientists

Еxpеrimеnts

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„TAP, TAP WATER“ QUANTUM TUNNELING DEMONSTRATION

Quantum tunneling is a phenomenon in which an atom or a subatomic particle appears on the other side of a potential barrier that should be impenetrable to the particle, given the difference between the kinetic energy of the particle and the potential energy of...

quantum tunneling (process); potential barrier; kinetic energy; potential energy; photons; Frustrated Total Internal Reflection (FTIR)

Curriculum Маttеrs

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EDUCATIONAL STANDARDS FOR GENERAL BIOLOGY EDUCATION IN THE USA AND IN BULGARIA – COMPARATIVE ANALYSIS

Unlike the Bulgarian state the standards for educational content in the USA are regulated differently. After the established inefficiency, they undergo many and various changes, with the main emphasis on the standards for natural sciences, which are literally...

educational standards; biology curriculum
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