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Journal of Arid Land 2023年第4期15卷 424-438页

作者： Mehri sHAMs GHAHFAROKHI sogol moradian Department of social sciences University of IsfahanIsfahan 81746-73441Iran Department of Civil Engineering University of GalwayGalway H91TK33Ireland

In the current scenario,Lake Urmia,one of the vastest hyper saline lakes on the Earth,has been affected by serious environmental *** different satellite images and observational data,this study investigated the changes in the lake for the period 1970–2020 based on the effects of climate change and several human-induced processes on Lake Urmia,such as population growth,excessive dam construction,low irrigation water use efficiency,poor water resources management,increased sediment flow into the lake,and lack of political and legal *** results indicated that between 1970 and 1997,the process of change in Lake Urmia was slow;however;the shrinkage was faster between 1998 and 2018,with about 30.00%of the lake area *** per the findings,anthropogenic factors had a much greater impact on Lake Urmia than climate change and prolonged drought;the mismanagement of water consumption in the agricultural sector and surface and underground water withdrawals in the basin have resulted in a sharp decrease in the lake's *** challenges have serious implications for water resources management in Lake Urmia ***,we provided a comprehensive overview of anthropogenic factors on the changes in Lake Urmia along with existing opportunities for better water resources management in Lake Urmia *** study serves as a guideline framework for climate scientists and hydrologists in order to assess the effects of different factors on lake water resources and for decision-makers to formulate strategies and plans according to the management task.

关键词： Lake Urmia lake shrinkage climate change population growth dam construction water resources management

Comparative analysis of multi criteria decision making techniques for material selection of brake booster valve body

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Journal of Traffic and Transportation Engineering(English Edition) 2019年第5期6卷 526-534页

作者： Milad moradian Vahid Modanloo soroush Aghaiee Department of Mechanical Engineering Faculty of EngineeringUrmia University

Braking system is one of the most critical parts in a vehicle,and one of the main components of this system is brake booster valve body which plays a significant role in safety standards of the *** working conditions under the hood of the vehicle necessitate the valve body to have some special *** component should have high mechanical strength and the ability to maintain this strength at elevated *** the other hand,lower weight and lower cost are always desirable in *** material selection for the valve body is very important and should satisfy the aforementioned *** order to select the best material for a large number of alternatives considering many different criteria,multi criteria decision making(MCDM) methods are used in this *** weighting of criteria is carried out by entropy and analytic hierarchy process(AHP) methods and a combination of these two techniques are used as the final ***,TOPsIs and VIKOR methods are used in this paper for selecting the best material for braking booster valve *** alternative materials were ranked using these methods and the results of the analysis were compared using spearman’s rank ***-gf35(PET reinforced with 35 wt% glass fiber) was found to be the best material for the valve *** to the desirability of the results,the results of this study can be used in automotive industry in order to enhance the material selection process.

关键词： Brake booster Valve body Material selection Weighting Ranking

Climate change impacts on the streamflow of Zarrineh River,Iran

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Journal of Arid Land 2021年第9期13卷 891-904页

作者： Farhad YAZDANDOOsT sogol moradian Department of Civil Engineering K.N.Toosi University of TechnologyTehran 19697Iran

Zarrineh River is located in the northwest of Iran,providing more than 40%of the total inflow into the Lake Urmia that is one of the largest saltwater lakes on the *** Urmia is a highly endangered ecosystem on the brink of *** paper studied the impacts of climate change on the streamflow of Zarrineh *** streamflow was simulated and projected for the period 1992-2050 through seven CMIP5(coupled model intercomparison project phase 5)data series(namely,BCC-CsM1-1,BNU-EsM,CsIRO-Mk3-6-0,GFDL-EsM2G,IPsL-CM5A-LR,MIROC-EsM and MIROC-EsM-CHEM)under RCP2.6(RCP,representative concentration pathways)and *** model data series were statistically downscaled and bias corrected using an artificial neural network(ANN)technique and a Gamma based quantile mapping bias correction *** best model(CsIRO-Mk3-6-0)was chosen by the TOPsIs(technique for order of preference by similarity to ideal solution)method from seven CMIP5 models based on statistical *** simulation of streamflow,a rainfall-runoff model,the hydrologiska byrans vattenavdelning(HBV-Light)model,was *** on hydro-climatological changes in Zarrineh River basin showed that the mean daily precipitation is expected to decrease from 0.94 and 0.96 mm in 2015 to 0.65 and 0.68 mm in 2050 under RCP2.6 and RCP8.5,*** the case of temperature,the numbers change from 12.33℃ and 12.37℃ in 2015 to 14.28℃ and 14.32℃ in *** to these climate scenarios,this study projected a decrease of the annual streamflow of Zarrineh River by half from 2015 to 2050 as the results of climatic changes will lead to a decrease in the annual streamflow of Zarrineh River from 59.49 m^(3)/s in 2015 to 22.61 and 23.19 m^(3)/s in *** finding is of important meaning for water resources planning purposes,management programs and strategies of the Lake's endangered ecosystem.

关键词： climate change water resources management climate model intercomparison project phase5(CMIP5) artificial neural network(ANN) bias correction hydrologiska byrans vattenavdelning(HBV-Light) Zarrineh River

synthesis of single-Walled Carbon Nanotubes by Induction Thermal Plasma

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Nano Research 2009年第10期2卷 800-817页

作者： Keun su Kim Ala moradian Javad Mostaghimi Yasaman Alinejad Ali shahverdi Benoit simard Gervais soucy Department of Chemical Engineering Universitéde SherbrookeJ1K 2R1Canada Department of Mechanical and Industrial Engineering University of TorontoM5S 3G8Canada steacie Institute for Molecular sciences National Research CouncilK1A 0R6Canada

The production of high quality single-walled carbon nanotubes(sWCNTs)on a bulk scale has been an issue of considerable ***,it has been demonstrated that high quality sWCNTs can be continuously synthesized on large scale by using induction thermal plasma *** this process,the high energy density of the thermal plasma is employed to generate dense vapor-phase precursors for the synthesis of *** the current reactor system,a carbon soot product which contains approximately 40 wt%of sWCNTs can be continuously synthesized at the high production rate of~100 g/*** this article,our recent research efforts to achieve major advances in this technology are ***,the processing parameters involved are examined systematically in order to evaluate their individual inuences on the sWCNT synthesis.Based on these results,the appropriate operating conditions of the induction thermal plasma process for an effective synthesis of sWCNTs are discussed.A characterization study has also been performed on the sWCNTs produced under the optimum processing ***,a mathematical model of the process currently under development is *** model will help us to better understand the synthesis of sWCNTs in the induction plasma process.

关键词： single-walled carbon nanotubes(sWCNTs) large-scale continuous synthesis radio frequency(RF)induction thermal plasma optimization numerical modeling

Control and Implementation of single-Inverter Microgrid

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smart Grid and Renewable Energy 2019年第2期10卷 29-41页

作者： Mehdi moradian Milad moradian Roham sanat Engineering Co. Tehran Iran

In this paper, simulation and implementation way for practical control of single Inverter Microgrid (sIMG) is presented. This system is equipped by solar system, wind energy conversion system (WECs), and microturbine system. Each DG’s has controlled independently. This is a kind of decentralize control because each DG’s has difference controller. Control of Microgrid (MG) during both grid tie and islanding modes is presented. solar system and WECs are modeled based on santerno products. This system is compared with three inverter MGs with Centralize control strategy. Controlled signals show that sIMG is more reliable and economical. THD is improved and strategy is simplified for sIMG.

关键词： single Inverter Microgrid solar system Wind Energy Conversion system Microturbine Buck and Boost Chopper

Modeling, Control &Fault Management of Microgrids

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smart Grid and Renewable Energy 2013年第1期4卷 99-112页

作者： Mehdi moradian Faramarz Mahdavi Tabatabaei sajad moradian Department of Electrical Engineering Iran University of Science and Technology Tehran Iran. Department of Electrical Engineering Sahand University of Technology Tabriz Iran saman Gostar Company (Distributor of sANTERNO Italy) Tehran Iran

In this paper, modeling and decentralize control principles of a MicroGrid (MG) whom equipped with three Distributed Generation (DG) systems (consist of: solar Cell system (sCs), MicroTurbine system (MTs) and Wind Energy Conversion system (WECs)) is simulated. Three arrangement of load changing have investigated for the system. In first one the system doesn’t have transfer of power between MG and grid. In other two arrangements system have transfer of power between MG and utility grid. Of course in third case transfer of power between DG resources is considerable. Case study system is equipped by energy storage devices (battery bank) for each DG’s separately by means of increasing the MG reliability. For WECs and sCs, MPPT control and for MTs, voltage and frequency (V&F) controller has designed. The purpose of this paper is load respond in MG and storage process of surplus energy by consider of load changing. MATLAB/simulink and its libraries (mainly the sim Power systems toolbox) were employed in order to develop a simulation platform suitable for identifying MG control requirements. This paper reported a control and op- eration of MG in network tension by applying a three phase fault.

关键词： Microgrid Decentralize Control Wind Energy Conversion system Microturbine solar Cell

Epicardial Versus Endocardial Pacemakers in the Pediatric Population:A Comparative Inquiry

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Congenital Heart Disease 2021年第6期16卷 573-584页

作者： Mohammadrafie Khorgami Ali sadeghpour Tabaei Elio Caruso silvia Farruggio Negar Omidi Maryam moradian Behzad Mohammadpour Ahranjani Zahra Khajali Rahele Zamani Cardiovascular Medical and Research Center Iran University of Medical SciencesTehranIran Cardiovascular surgery Department Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran Department of Pediatric Cardiology Mediterranean Pediatric Cardiology Center“Bambin Gesù”San Vincenzo HospitalTaorminaItaly Cardiac Primary Prevention Research Center Tehran Heart Center and Department of CardiologySchool of MedicineTehran University of Medical SciencesTehranIran Pediatric Cardiology Bahrami Children’s HospitalTehran University of Medical ScienceTehranIran Adult Congenital Heart Disease Department Rajaie Cardiovascular Medical and Research CenterIran University of Medical SciencesTehranIran

Background:Most children in need of cardiac pacemakers remain dependent on the function of the permanent from childhood to *** sought to evaluate and compare the function between epicardial and endocardial pacemakers in pediatric groups with different ***:Between 2012 and 2018,this single-canter study evaluated 44 pediatric patients with indications for epicardial or endocardial ***:The 2 groups,at a median age of 5(0.1–16)years,were compared concerning the characteristics of the leads used(n=80:bipolar,unipolar,steroid-eluting,and non–steroid-eluting),survival data,and *** reason for pacemaker implantation was congenital complete heart block in 11(25%)cases and postoperative heart block in 33(75%)*** commonest congenital heart disease accompanied by postoperative block was the ventricular septal *** the endocardial lead group,the mean ventricular pacing threshold immediately after the implantation and during the follow-up was less than that in the epicardial lead group(0.75 vs.0.81 V;P=0.01 and 0.8 vs.2.4 V;P=0.001).During the follow-up,the mean battery longevity was better in the endocardial group(last visit:6.7 endocardial vs.3.3 years epicardial).Lead failure was commoner in the epicardial pacemaker,and chronic high-pacing threshold pattern was seen in 14 patients in this *** 3 years,freedom from lead failure was 94%and 63%in the endocardial and epicardial ***:Pacemakers with endocardial bipolar steroid-eluting leads showed better lead characteristics regarding survival and battery longevity than epicardial pacemakers without these lead *** appropriate pacemaker type should be selected based on the patient’s condition.

关键词： Pacemaker congenital heart defects cardiac pacing pediatrics

Meeting report:a hard look at the state of enamel research

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International Journal of Oral science 2017年第4期9卷 193-199页

作者： ophir d klein olivier duverger wendy shaw rodrigo s lacruz derk joester janet moradian-oldak megan k pugach j timothy wright sarah e millar ashok b kulkarni john d bartlett thomas gh diekwisch pamela den besten james p simmer program in craniofacial biology and department of orofacial sciences university of californiasan franciscoSan FranciscoUSA department of pediatrics and institute for human genetics university of californiasan franciscoSan FranciscoUSA laboratory of skin biology national institute of arthritis and muscular and skin diseasesnational institutes of healthBethesdaUSA physical science division pacific northwest national laboratoriesRichlandUSA department of basic science and craniofacial biology new york university college of dentistryNewYorkUSA department of materials science and engineering northwestern universityevanstonusaEvanstonUSA center for craniofacial molecular biology herman ostrow school of dentistryuniversity of southern californiaLos AngelesUSA the forsyth institute CambridgeUSA department of developmental biology harvard school of dental medicineBostonUSA department of pediatric dentistry university of north caroline school of dentistryChapel HillUSA departments of dermatology and cel&developmental biology perelman school of medicineand department of anatomy&cell biologyschool of dental medicineuniversity of pennsylvaniaPhiladelphiaUSA functional genomics section national institute of dental and craniofacial researchBethesdaUSA division of biosciences ohio state universitycollege of dentistryColumbusUSA department of periodontics and center for craniofacial research and diagnosis texas a&m university college of dentistryDallasUSA center for children’s oral health research and department of orofacial sciences university of californiasan franciscoSan FranciscoUSA biologic and materials sciences and division of prosthodontics university of michiganAnn ArborUSA

The Encouraging Novel Amelogenesis Models and Ex vivo cell Lines （ENAMEL） Development workshop was held on 23 June 2017 at the Bethesda headquarters of the National institute of Dental and Craniofacial Research （NIDCR）. Discussion topics included model organisms, stem cells/cell lines, and tissues/3D cell culture/organoids. scientists from a number of disciplines, representing institutions from across the United states, gathered to discuss advances in our understanding of enamel, as well as future directions for the field.

关键词： enamel mineralized tissue mineralization ameloblast stem cell

Numerical Investigation of Wind Flow around a Cylindrical Trough solar Collector

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Journal of Power and Energy Engineering 2015年第1期3卷 1-10页

作者： seyyed Mohammad Nima shojaee Mohammad Adel moradian Mashhood Mashhoodi Faculty of Mechanical and Aerospace Engineering Science and Research Branch Islamic Azad University Tehran Iran school of Mechanical and Manufacturing Engineering University of New South Wales Sydney Australia Young Researchers and Elites Club Science and Research Branch Islamic Azad University Tehran Iran

The goal of this study is to model the effects of wind on Cylindrical Trough Collectors (CTCs). Two major areas are discussed in this paper: 1) heat losses due to wind flow over receiver pipe and 2) average forces applied on the collector’s body. To accomplish these goals a 2D modeling of CTC was carried out using commercial codes with various wind velocities and collector orientations. Ambient temperature was assumed to be constant at 300 K and for specific geometries different meshing methods and boundary conditions were used in various runs. Validation was done by comparing the simulation results for a horizontal collector with empirical data. It was observed that maximum force of 509.1 Newton per Meter occurs at +60 degrees. Nusselt number is almost the constant for positive angles while at negative angles it varies considerably with the collector’s orientation.

关键词： Component Flow Analysis Wind Forces solar Collectors Cylindrical Trough Collector Computational solar Energy