Zobrazeno 1 - 10
of 2 156
pro vyhledávání: '"M Arefi"'
Publikováno v:
Defence Technology, Vol 20, Iss , Pp 24-33 (2023)
In this research, mechanical stress, static strain and deformation analyses of a cylindrical pressure vessel subjected to mechanical loads are presented. The kinematic relations are developed based on higher-order sinusoidal shear deformation theory.
Externí odkaz:
https://doaj.org/article/6f92841022a547d4a1373b2cbfade54d
Publikováno v:
Fanāvarī-i āmūzish, Vol 16, Iss 3, Pp 467-482 (2022)
Background and Objectives: With the advent of e-learning, the educational perspective has changed. Following these changes and the separation of learners by the e-learning courses, a sense of isolation and alienation has been created which has even
Externí odkaz:
https://doaj.org/article/82ca8aac8e0d47169fe5570c7c7a1e91
Autor:
N Faraji, N Alizadeh, M Akrami, Z Kheyri, H Hosamirudsari, N Zarei jalalabadi, S Akbarpour, M Arefi, F Taghizadeh, S Mohammadnejad, F Goudarzi
Publikováno v:
مجله اپیدمیولوژی ایران, Vol 16, Iss 5, Pp 60-69 (2021)
Background and Objectives: Reports indicates a higher mortality rate of Covid-19 in the elderly. A limited number of studies have been performed on elderly patients in Iran. In the present study, we investigated the clinical features and survival of
Externí odkaz:
https://doaj.org/article/f6e9b63aea474eec9bd5285718a17036
Publikováno v:
Fanāvarī-i āmūzish, Vol 15, Iss 1, Pp 83-100 (2020)
Background and Objectives: Third Mellenium World is a world that is faced with rapid scientific, cultural, and technological change. Increasing access to education services at higher education levels has resulted in admission of students with persona
Externí odkaz:
https://doaj.org/article/05046416a95f476e9740235cee94fc2b
Publikováno v:
Fanāvarī-i āmūzish, Vol 13, Iss 3, Pp 581-593 (2019)
Background and Objective: Not only has MOOC been able to reach a valuable place in the world of teaching and learning as an online educational tool, but it has also been recognized as a wave of thought that has attracted the attention of many writers
Externí odkaz:
https://doaj.org/article/e1316450dcdf4ba7ab562d69f9656f9e
Publikováno v:
Journal of Stress Analysis, Vol 3, Iss 2, Pp 75-82 (2019)
This paper presents two-dimensional stress and strain behavior of a FG rotating cylindrical shell subjected to internal-external pressure, surface shear stresses due to friction, an external torque, and constant temperature field. A power law distrib
Externí odkaz:
https://doaj.org/article/0ce8872bb048412c9d66ae694bda63c6
Publikováno v:
New Microbes and New Infections, Vol 38, Iss , Pp 100792- (2020)
Since its emergence, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread worldwide, and led to ever-increasing mortality. SARS-CoV-2 infection perturbs the function of the body's vital organs, making patients of all ages susceptib
Externí odkaz:
https://doaj.org/article/a6dd66189c6340fba86f3254971e35ad
Publikováno v:
Fanāvarī-i āmūzish, Vol 13, Iss 1, Pp 145-156 (2018)
Background and Objective:Although the fields of teaching and learning have changed very little compared to other categories more than two thousand years ago, today, with the help of information technology, it has undergone rapid changes. In recent ye
Externí odkaz:
https://doaj.org/article/bf6fb6d937c249d394721424c82f228d
Publikováno v:
Interdisciplinary Studies in the Humanities, Vol 11, Iss 1, Pp 1-32 (2018)
Interdisciplinary research has been developing dramatically in the recent two decades. Reviewing the related literature shows that such research is very important in terms of its methodology and typology. This study aims to compare, describe, and det
Externí odkaz:
https://doaj.org/article/1ce604eee0cd4707b55477a06a6c6d40
Autor:
M. Arefi, A.M. Zenkour
Publikováno v:
Theoretical and Applied Mechanics Letters, Vol 7, Iss 3, Pp 145-151 (2017)
Wave propagation analysis for a functionally graded nanobeam with rectangular cross-section resting on visco-Pasternak’s foundation is studied in this paper. Timoshenko’s beam model and nonlocal elasticity theory are employed for formulation of t
Externí odkaz:
https://doaj.org/article/b1d5dbd2f5e746898c052ec2e60c3293