COVID-19 has infected millions of people worldwide over the past few years.The main technique used for COVID-19 detection is reverse transcription, which is expensive, sensitive, and requires medical expertise.X-ray imaging is an alternative and more accessible technique.This study aimed to improve detection accuracy to create a computer-aided diag
Multistation digisonde observations of equatorial spread F in South America
Directional ionogram and F-region drift observations were conducted at seven digisonde stations in South America during the COPEX campaign from October to December 2002.Five stations in Brazil, one in Argentina, and one in Peru, monitored the ionosphere across the continent to Cups study the onset and development of F-region density depletions that
Study of the radioprotective properties of fumaric acid and 3-hydroxypyridine fumarate under the action of ionizing radiation on human cells
In the modern world, such a situation has developed that the development of nuclear energy and the use of sources of ionizing radiation in various fields of activity have created a potential threat of radiation hazard to humans.In this connection, the actual direction is the study of ways to increase the radioresistance of human cells and tissues t
Investigating the Relationship between Auditor Change and Audit Fee with Audit Report Lag of Pharmaceutical Companies Listed on the Tehran Stock Exchange
Introduction: Audit report lag is directly associated with audit efficiency and timely announcement of earnings.Moreover, the time of audit report is one of the important factors in determining the timeliness of corporate financial reporting.So, it seems necessary Smoke Table to investigate the effective factors in audit report lag.Method: In this
Islamic State and Its Attitude to the Terrorist Attacks on the Energy Sector
The main aim of this article is both to analyze the importance of the terrorist attacks on energy infrastructure and industry for strategy of militant terrorist organization Art Prints Islamic State against the background of the influence of Islam and to describe a specific example and manifestations of the terrorist activities focused on energy se