منابع مشابه
Time Series Modeling of Coronavirus (COVID-19) Spread in Iran
Various types of Coronaviruses are enveloped RNA viruses from the Corona-viridae family and part of the Coronavirinae subfamily. This family of viruses affects neurological, gastrointestinal, hepatic, and respiratory systems. Recently, a new memb-er of this family, named Covid-19, is moving around the world. The expansion of Covid-19 carries many risks, and its control requires strict planning ...
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در این پایان نامه رنگ آمیزی دینامیکی یک گراف را بیان و مطالعه می کنیم. یک –kرنگ آمیزی سره ی رأسی گراف g را رنگ آمیزی دینامیکی می نامند اگر در همسایه های هر رأس v?v(g) با درجه ی حداقل 2، حداقل 2 رنگ متفاوت ظاهر شوند. کوچکترین عدد صحیح k، به طوری که g دارای –kرنگ آمیزی دینامیکی باشد را عدد رنگی دینامیکی g می نامند و آنرا با نماد ?_2 (g) نمایش می دهند. مونت گمری حدس زده است که تمام گراف های منتظم ...
15 صفحه اولModeling and analysis of the spread of the COVID-19 pandemic using the classical SIR model
In this paper modeling, analysis and prediction of novel epidemic of COVID-19 are concerned to identify effective spread parameters of it in Iran. For this purpose, the basic susceptible-infected-removed (SIR) model is used which has two parameters: the infection rate and remove rate. The occurrence of several maximum points in the Iranian data and the single peak of the SIR model makes it impo...
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COVID-19 and dermatologists
Since the beginning of COVID-19 pandemic on December 2019, challenges on economic, political, social, hygiene- therapeutic and life style have emerged in many countries. Many researches are investigating on virus characteristics and its behavior and also preventive and therapeutic measures. Despite the virus not being dermatotropic, several skin manifestations have been observed. In this review...
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ژورنال
عنوان ژورنال: Online Journal of Complementary & Alternative Medicine
سال: 2020
ISSN: 2644-2957
DOI: 10.33552/ojcam.2020.04.000598