Search Results - "Yarahmadi, R."

Inactivation of airborne SARS-Co-V2 using NTP-UVGI hybrid process by Yarahmadi, R., Soleimani-Alyar, S., Darvishi, M.-M.

“…Indoor environments such as healthcare centers are known as one of the key centers in the outbreak of viral infectious diseases. In the present study, the…”
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Occupational exposure of health care personnel to SARS-CoV-2 particles in the intensive care unit of Tehran hospital by Yarahmadi, R., Bokharaei-Salim, F., Soleimani-Alyar, S., Moridi, P., Moradi-Moghaddam, O., Niakan-Lahiji, M., Darvishi, M.-M., Golmahammadi, S., Mousavi, S. A. J., Ebrahimi, H., Ashtarinezad, A., Farshad, A.-A., Jonidi-Jafari, A., Kiani, S. J., Garshasbi, S., Mehrzadi, S.

“…The outbreak of SARS-CoV-2 (COVID-19) has attracted much attention to study its possible presence and airborne transmission. The possibility of COVID-19…”
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Developing a MatLab code for determine geometry of rock mass blocks and its applications in mining and rock mechanic engineering by Yarahmadi, R., Bagherpour, R., Khademian, A., Mirzaie, H., Kakaie, R.

“…Various geological processes such as tectonic activities develop fractures and discontinuities in the rock mass body; these, in turn, form blocks with…”
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Synthesis of nano-fibrous mats using electrospinning method and determining their efficiency for nanoaerososls removal by Gh Moradi, A Sedighzadeh, R Yarahmadi, Sh Bakand, AA Farshad, B Rezaeifard, M Alamdar khasraghi

“…Background and aims: Nano-fibrous mats are one of the unique nonwoven materials that have been recently carried out in nanofiltration industry. The aim of this…”
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Sarma-based key-group method for rock slope reliability analyses by Bafghi, A. R. Yarahmadi, Verdel, T.

“…The methods used in conducting static stability analyses have remained pertinent to this day for reasons of both simplicity and speed of execution. The most…”
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3D key-group method for slope stability analysis by Noroozi, M., Jalali, S. E., Yarahmadi-Bafghi, A. R.

“…SUMMARY Because of the simplicity and the speed of execution, methods used in static stability analyses have yet remained relevant. The key‐block method, which…”
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Prediction of the confidence interval for stability analysis of chain pillars in coal mines by Najafi, M., Jalali, S.E., Bafghi, A.R. Yarahmadi, Sereshki, F.

“…► We consider safety factor as a probabilistic concept. ► We define performance function using definition of safety factor. ► The failure probability and…”
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A new cyclone design with adjustable inlet angle and external geometry for optimal PM10 removal by Borhani Jebeli, M., Moridi, P., Beheshti, M. H., Yarahmadi, R.

“…In this study, a 2D2D cyclone layout was used as the base structure for the design of a new cyclone with an adjustable inlet angle and vortex finder height…”
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Adsorption of carbon monoxide on novel and Merck activated carbon treated by dielectric barrier discharge by Borhani Jebeli, M., Moridi, P., Beykmohamadloo, P., Yarahmadi, R.

“…The effect of different physical and chemical properties of activated carbon (AC) on adsorption of carbon monoxide (CO) was studied after treating two types of…”
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Production of activated carbon from decayed wood: Surface modification using high-frequency DBD plasma for enhanced Rhodamine B dye adsorption – A kinetic and equilibrium study by Roohbakhsh Bidaei, Mahmood, Azadfallah, Mohammad, Yarahmadi, Rasoul, Goleij, Niloofar

“…The potential of decayed wood was investigated as a raw material to produce activated carbon. Both sound and decayed beech wood specimens were subjected to…”
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The Risk Assessment of Related Factors of Hand Activities in Automotive Industry by R yarahmadi, M Jalali

“…Background and aims: Work-related musculoskeletal disorders (WMSDs) are the most prevalence problems of working populations in many developing countries and…”
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Fire risk assessment by Engineering Approach and Applied strategies for fire protection by GA Shirali, R Yarahmadi, Kazemi

“…Background and aims:  From the 70s onwards, safety engineering made significant progress in developing techniques and regulations relating to the fire. The…”
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Assessment of hand-arm vibration caused by chainsaw in beech tree felling and bucking operations by Baris Majnounian, M jabari, M Gholami, R YarAhmadi, A Deljouei

“…Nowadays, one of the most popular tools to cut and process the trees in northern forests of Iran is chainsaw. One of its most important defects is constant…”
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Design and evaluation of the performance of local exhaust hood on the welding torch by R Yarahmadi, F Golbabaei, A.R Alipoor, M Rashidi

“…Background and aims: The welderschr('39') health threat due to exposure to welding fume is an important issue, so effective exhaust of fumes are needful for to…”
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Elimination of carbon monoxide using non _ thermal plasma technique by M borhani jebeli, F golbabayi, A ghorbanzadeh, R yarahmadi

“…Abstract Background and aims:Nowadays, the non-thermal plasma is considered as a successful new technology with high efficiency in the air pollution control…”
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The Role of the Implementation of National Building Regulations in the Fire Safety Improvement of Industrial Structures by T Askaripoor, GA. Shirali, R. Yarahmadi, Elahe Kazemi

“…In accordance with national building regulations, human safety and health should not be compromised in any way by the structures. Noncompliance with existing…”
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Priority of Occupational Safety and Health indexes Based on the Multi Criteria Decision Making in Construction Industries by R yarahmadi, F shahkohi, F taheri, p moridi

“…Background and aims: Critical infrastructures are the most important sectors in nation security, public safety, socioeconomic security and environment in the…”
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Assessment of the Middle Dose of Topiramate in Comparison with Sodium Valproate for Migraine Prophylaxis: A Randomized-Double-Blind Study by Bavrasad, R., Nejad, S.E.M., Yarahmadi, A.R., Sajedi, S.I., Rahim, F.

“…This randomized-double-blind aimed to show the effect of middle dose of topiramate and monitor the sodium valproate as a treatment quite acceptable in migraine…”
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Airborne contaminants evaluation of central animal housing of Iran University of medical sciences by R Yarahmadi, A Esrafili, Z Panjali, M Rashidi, M Borhani Jebeli, A Salahshour

“…Background and aims: Survay of the particulates, biological molecules and other harmful materials which enter into Earthchr('39')s atmosphere as airborn agents…”
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Survey of Aerodynamic-Geometric Factors Role on Particles Filtration Efficiency of Cyclone by R Yarahmadi, M Borhani jebeli, P Moridi

“…Background and aims: Extensive industrial and production activities are one of the major sources of dust. In many cases, cyclones are used as the control…”
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