Zobrazeno 1 - 10
of 174
pro vyhledávání: '"ali Khavanin"'
Autor:
Javad Mozafari, Ali Khavanin, Ali Delirrooyfard, Mohammadreza Pirouzi, Naeimehossadat Asmarian
Publikováno v:
Iranian Journal of Medical Sciences, Vol 49, Iss 11, Pp 691-698 (2024)
Background: Acute renal colic has been challenging and has brought many concerns for physicians and patients for centuries. This study aimed to evaluate the analgesic effect and safety of a combination of papaverine and ketorolac against ketorolac an
Externí odkaz:
https://doaj.org/article/42d4e69c21294266a4a81f7f8af3341c
Autor:
Javad Sajedifar, Seyyed Bagher Mortazavi, Hasan Asilian Mahabadi, Ali Khavanin, Mohammad Sharif Hosseini
Publikováno v:
Results in Engineering, Vol 25, Iss , Pp 103621- (2025)
Mixing is a critical factor in chemical reaction engineering, particularly in the development of new catalysts for pollutant removal, such as NOx storage reduction catalysts. Comprehensive performance evaluation in laboratory experiments requires hig
Externí odkaz:
https://doaj.org/article/d968932ef38e443e9cdedc7774f92254
Autor:
hamed alizadeh, ali Khavanin, FARAHNAZ KHAJEHNASIRI, NILOOFAR VALIZADEH, ali salehi sahlabadi
Publikováno v:
International Journal of Industrial Engineering and Production Research, Vol 34, Iss 4, Pp 103-117 (2023)
Background: The lighting of the work environment and its quantitative and qualitative characteristics, such as the intensity of the light and the color temperature, as a physical characteristic, have a great impact on the mental health, behavior and
Externí odkaz:
https://doaj.org/article/242142b77fd0442a8dc131d96445c7c9
Publikováno v:
International Journal of Environmental Health Engineering, Vol 13, Iss 1, Pp 22-22 (2024)
Aim: The use of natural fiber-based composites in various applications is increasing due to their cost-effectiveness, low density, nontoxicity, and environmental friendliness. Therefore, in this study, the acoustic performance of natural bamboo fiber
Externí odkaz:
https://doaj.org/article/b660cb50776448c8bea42edef1492dfb
Publikováno v:
Journal of Low Frequency Noise, Vibration and Active Control, Vol 42 (2023)
Using a demolition hammer among the power tools is one of the most challenging job tasks for the operators of these tools, which exposes users to high levels of hand-transmitted vibrations. The focus of this study was for finding the vibration levels
Externí odkaz:
https://doaj.org/article/3bcd78ad02fb4eb2aa406b26775e7968
Publikováno v:
بهداشت و ایمنی کار, Vol 13, Iss 1, Pp 29-43 (2023)
Introduction: Wood-Wool Cement Panels (WWCPs) are environmentally friendly sound absorbers also used as heat, energy, and moisture insulators. WWCPs have suitable mechanical properties due to using Portland cement and wood strands as raw materials. I
Externí odkaz:
https://doaj.org/article/7fca56476c4d473c8da3f1b646e400d1
Autor:
Mohammad Hosein Beheshti, Ali Khavanin, Ali Safari Varyani, Musli Nizam Bin Yahya, Ali Alami, Farahnaz Khajenasiri, Roohollah Talebitooti
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 13, Pp 5199-5210 (2022)
Both natural and synthetic fibers do not perform well at low frequencies and are also subjected to erosion, moisture, fire, etc., when used as an interior finish of room walls. To overcome these problems, micro-perforated plate with different thickne
Externí odkaz:
https://doaj.org/article/075beaff9317474c861dd7f9ac878b8d
Publikováno v:
بهداشت و ایمنی کار, Vol 12, Iss 4, Pp 742-766 (2022)
Introduction: This study aims to determine the amount of hand-arm vibration transmitted from heavy electric destruction tools and the effect of using chisel with different lengths and shapes when demolishing concrete surfaces. Material and Methods: T
Externí odkaz:
https://doaj.org/article/719ef33de7ce44b5a1c447059a876f7c
Autor:
Seyed Ehsan Samaei, Hasan Asilian Mahabadi, Seyyed Mohammad Mousavi, Ali Khavanin, Mohammad Faridan
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 7, Pp 2429-2442 (2022)
The present study aimed to investigate the effect of alkali (NaOH) treatment on the morphological properties and tensile strength of Yucca Gloriosa (YG) natural fibers along with the optimization of the parameters related to such treatment. The Respo
Externí odkaz:
https://doaj.org/article/3650c33cc0b74eae856ef9e08f0ba994
Autor:
Ehsan Rezaieyan, Ebrahim Taban, Seyyed Bagher Mortazavi, Ali Khavanin, Hasan Asilian, Elham Mahmoudi
Publikováno v:
بهداشت و ایمنی کار, Vol 12, Iss 2, Pp 367-383 (2022)
Introduction: Micro perforated panel (MPP) absorbents promise the next generation of sound absorbers as they have significant advantages over other porous adsorbents. In this study, we will investigate the acoustic performance of MPP absorbents made
Externí odkaz:
https://doaj.org/article/b29f1b599bdb4ea2b08fcd0baceb1987