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Year XXXI, Issue 6, 2022<<Archive>>

In this issue:

From thе Rеsеаrch Lаborаtoriеs
History аnd Philosophy of Sciеncе
Curriculum Маttеrs
Nеw Approаchеs

From thе Rеsеаrch Lаborаtoriеs

INVESTIGATING THE PARAMETERS WHICH INFLUENCE THE LENGTH AND SHAPE OF MGSO \({ }_{4}\) CRYSTALS

The purpose of this paper is investigating and varying parameters which influence the length and shape of \(\mathrm{MgSO}_{4}\) crystals, obtained from solution. The manuscript discusses the theoretical model of the crystallization and approximations used; th...

Ivaylo Kartev

Magnesium sulfate; crystals; length; temperature; solvents

History аnd Philosophy of Sciеncе

A REVIEW OF MORTALITY ANALYSES AND LIFE SAFETY IN AN INDIAN CONTEXT

This discussion paper on death presents an analysis of the causes of irretrievable mortality in the Indian context. It traces the local-to-global connection by depicting the current scenario and future perspectives. It deals with various aspects of death to pr...

B. H. S. Thimmappa Principal

Death data; mortality rate; preventable deaths; precautions for survival; death education; safety protocols

Curriculum Маttеrs

DIFFICULT TOPICS IN THE CHEMISTRY CURRICULUM – BULGARIAN TEACHERS’VIEW

Teachers’ knowledge of students’ difficulties is a major component of pedago-gical content knowledge (PCK) and a key element for effective instruction. The current research aims to identify teachers’ PCK for: difficult topics in the chemistry curriculum; reaso...

Kalin Chakarov

Chemistry curriculum; Difficult chemistry topics; Pedagogical content knowledge.

Nеw Approаchеs

METEOROLOGICAL DETERMINANTS OF COVID-19 DISEASE: A LITERATURE REVIEW

The purpose of this investigation is to review the currently known studies on the meteorological preconditions of COVID-19, and analyze and synthesize the results from the existing research, with a view to further substantiating a methodological approach to as...

Zoya Mateeva, Ekaterina Batchvarova, Zornitsa Spasova, Ivan Ivanov, Boris Kazakov, Simeon Matev, Alexander Simidchiev, Atanas Kitev

COVID-19; air temperature and humidity; solar radiation; wind speed; meteorological factors; social and demographic factors