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| 1 | Review of nanofluids for heat transfer applications显示文摘Research on nanofluids has progressed rapidly since its enhanced thermal conductivity was first reported about a decade ago,though much controversy and inconsistency have been reported,and insufficient understanding of the formulation and mechanism of nanofluids further limits their applications.This work presents a critical review of research on heat transfer applications of nanofluids with the aim of identifying the limiting factors so as to push forward their further development. | Dongsheng Wen Guiping Lin Saeid Vafaei Kai Zhang | 2009 | Particuology2009，7，2： | 30 |
| 2 | Hot compression deformation behavior of AISI 321 austenitic stainless steel显示文摘The hot compression behavior of AISI 321 austenitic stainless steel was studied at the temperatures of 950- 1100 C and the strain rates of 0.01-1s1 using a Baehr DIL-805 deformation dilatometer. The hot deformation equations and the relationship between hot deformation parameters were obtained. It is found that strain rate and deformation temperature significantly influence the flow stress behavior of the steel. The work hardening rate and the peak value of flow stress increase with the decrease of deformation temperature and the increase of strain rate. In addition, the activation energy of deformation (Q) is calculated as 433.343kJ/mol. The microstructural evolution during deformation indicates that, at the temperature of 950C and the strain rate of 0.01s1 , small circle-like precipitates form along grain boundaries; but at the temperatures above 950C, the dissolution of such precipitates occurs. Energy-dispersive X-ray analyses indicate that the precipitates are complex carbides of Cr, Fe, Mn, Ni, and Ti. | Mehdi Haj Hojjatollah Mansouri Reza Vafaei Golam Reza Ebrahimi Ali Kanani | 2013 | International Journal of Minerals,Metallurgy and Materials2013，20，6： | 7 |
| 3 | Effects of TiO_2 nanoparticles on the aquatic plant Spirodela polyrrhiza: Evaluation of growth parameters, pigment contents and antioxidant enzyme activities显示文摘Plants are essential components of all ecosystems and play a critical role in environmental fate of nanoparticles. However, the toxicological impacts of nanoparticles on plants are not well documented. Titanium dioxide nanoparticles(TiO_2-NPs) are produced worldwide in large quantities for a wide range of purposes. In the present study, the uptake of TiO_2-NPs by the aquatic plant Spirodela polyrrhiza and the consequent effects on the plant were evaluated.Initially, structural and morphological characteristics of the used TiO_2-NPs were determined using XRD, SEM, TEM and BET techniques. As a result, an anatase structure with the average crystalline size of 8 nm was confirmed for the synthesized TiO_2-NPs. Subsequently, entrance of TiO_2-NPSto plant roots was verified by fluorescence microscopic images. Activity of a number of antioxidant enzymes, as well as, changes in growth parameters and photosynthetic pigment contents as physiological indices were assessed to investigate the effects of TiO_2-NPs on S. polyrrhiza. The increasing concentration of TiO_2-NPs led to the significant decrease in all of the growth parameters and changes in antioxidant enzyme activities. The activity of superoxide dismutase enhanced significantly by the increasing concentration of TiO_2-NPs. Enhancement of superoxide dismutase activity could be explained as promoting antioxidant system to scavenging the reactive oxygen species. In contrast, the activity of peroxidase was notably decreased in the treated plants. Reduced peroxidase activity could be attributed to either direct effect of these particles on the molecular structure of the enzyme or plant defense system damage due to reactive oxygen species. | Ali Movafeghi Alireza Khataee Mahboubeh Abedi Roshanak Tarrahi Mohammadreza Dadpour Fatemeh Vafaei | 2018 | Journal of Environmental Sciences2018，30，2： | 6 |
| 4 | Enhancement of grid-connected photovoltaic system using ANFIS-GA under different circumstances显示文摘在最近的年里,许多不同技术被使用以便拉最大的力量从光电(PV ) 为改变太阳的发光和温度条件的模块。通常, PV 系统的输出发电取决于断断续续的太阳的曝晒,房间温度, PV 面板的效率和它的输出电压水平。因而,追踪 PV 系统的产生力量并且利用是必要的最佳地收集了太阳能。这份报纸的目的是由使用一个适应 neuro 模糊的推理系统(ANFIS ) 和基因算法(GA ) 模仿并且控制连接格子的 PV 来源控制器。数据被 GA 优化然后,这些最佳值在网络训练被使用。模拟结果显示 ANFIS-GA 控制器能在最大的力量点(MPP ) 附近与更少的变化容易满足负担的需要并且能增加集中速度完成 MPP 而非常规方法。而且,控制线电压和电流,一个格子方面 P/Q 控制器被使用了。动态建模, PV 系统的控制和模拟学习用 Matlab/Simulink 程序被执行。 | Saeed VAFAEI Alireza REZVANI Majid GANDOMKAR Maziar IZADBAKHSH | 2015 | Frontiers in Energy2015，9，3： | 3 |
| 5 | Aging behavior of a copper-bearing high-strength low-carbon steel显示文摘The effects of aging temperature and time on the hardness and impact toughness of a copper-bearing high-strength low-carbon steel were investigated. The hardness of the aged samples reached maxima after 1 h and 5 h of aging at 500 and 450℃, respectively; this increase in hardness was followed by a decrease in hardness until a temperature of 700℃, at which secondary hardening was observed. The impact toughness of the aged steel was found to be higher for 5 h of aging. Transmission electron microscopy confirmed the presence of carbide and copper precipitates; also, the secondary hardening could be the result of the transformation of austenite(formed in the aging treatment) to martensite. Differential scanning calorimetry of the steel was performed to better understand the precipitation behavior. The results revealed that the precipitation of the steel exhibited two significant stages of copper precipitate nucleation and coarsening of the precipitates, with corresponding activation energies of 49 and 238 k J·mol^(-1), respectively. | Babak Shahriari Reza Vafaei Ehsan Mohammad Sharifi Khosro Farmanesh | 2018 | International Journal of Minerals,Metallurgy and Materials2018，25，4： | 3 |
| 6 | Joining of Individual Silver Nanowires via Electrical Current显示文摘A procedure for joining polyol-synthesized silver nanowires in air using current-induced Joule heat welding is reported. Using a common probe station and photolithographically patterned gold electrodes, the welding process is completed using a common semiconductor analyzer. A unique two-step procedure eliminates the dielectric barrier at the point of contact without damaging the nanowires away from the junction. This procedure is designed for metal–metal contacts where a strong dielectric intermediate layer might exist, which can occur with metals prone to oxidation or corrosion in air, or as a result of the electrode deposition process. Ohmic connections are also established in cases where there is an initial gap between two nanowires. | Arash Vafaei Anming Hu Irene A.Goldthorpe | 2014 | Nano-Micro Letters2014，6，4： | 3 |
| 7 | Protective effects of saffron extract and its active constituent crocin against oxidative stress and spatial teaming and memory deficits induced by chronic stress in rats 显示文摘 | Ghadrdoost B Vafaei A A Rashidy-Pour A | 2011 | Eur JPharmacol2011，667，13： | 1 |
| 8 | Effects of en- vironmental enrichment on behavioral deficits and alterations in hip- poeampal BDNF induced by prenatal exposure to morphine in juven- ile rats显示文摘 | Ahmadalipour A Sadeghzadeh J Vafaei AA | 2015 | Neuroscienee2015，30，： | 1 |
| 9 | Impact of self-concept on Preschoolers' dental anxiety and behavior显示文摘 | Erfanparast L Vafaei A Sohrabi A | 2015 | J Dent Res Dent Clin Dent Prospects2015，9，3： | 1 |
| 10 | Self assembled hyaluronic acid nanoparticles as a potential carrier for targeting the inflamed intestinal mucosa显示文摘 | Seyed Yaser Vafaei Motahareh Esmaeili Mohsen Amini Fatemeh Atyabi Seyed Naser Ostad Rassoul Dinarvand | 2016 | Carbohydrate Polymers2016，，： | 1 |
| 11 | Multicenter screen- ing for adverse pregnancy outcomes by uterine artery Doppler in the second and third trimester of pregnancy 显示文摘 | Jamal A Abbasalizadeh F Vafaei H | 2013 | Med Ultra- sonography2013，15，2： | 1 |
| 12 | Antinociceptive effects of hydroalcoholic extract of thymus vugaris 显示文摘 | T aherian A A Babaei M Vafaei A A | 2009 | Pak J Pharm Sci2009，22，1： | 1 |
| 13 | Vibration Monitoring of High Speed Spindles Spectral Analysis Techniques显示文摘 | Vafaei S Rahnejat H Aini R | 2002 | Machine Tools & Manufacture2002，，4： | 1 |
| 14 | Multicenter screening for adverse pregnancy outcomes by uterine arteryDoppler in the second and third trimester of prefnancy 显示文摘 | Jamal A Abbasalizadeh F Vafaei H | 2013 | Med Ultrason2013，15，2： | 1 |
| 15 | Tile effect of nanoparticles on the liquid-gas surface tension of Bi2Te3 nanofluids 显示文摘 | Vafaei S Purkayastha A Jain A | 2009 | Nanotechnology2009，20，18： | 1 |
| 16 | Multicenter screening for adverse pregnancy outcomes by uterine ar- tery Doppler in the second and third trimester of preg- nancy 显示文摘 | Jamal A Abbasalizadeh F Vafaei H | 2013 | Med Ultrason2013，15，2： | 1 |
| 17 | Bubble growth rate from stainless steel substrate and needle nozzles 显示文摘 | Vafaei S Angeli P Wen D | 2011 | Colloids and Surfaces A: Physiochemical and Engineering Aspects2011，，384： | 1 |
| 18 | Effect of nanoparticles on sessile droplet contact angle显示文摘 | VAFAEI S BORCA-TASCIUC T PODOWSKI M Z | 2006 | Nanotech2006，17，： | 1 |
| 19 | Cloning, expression, and purification of hyperthermophile a-amylase from Pyrococcus woesei 显示文摘 | Ghasemi A Ghafourian S Vafaei S | 2015 | Osong Public Health Res Perspect2015，6，6： | 1 |
| 20 | Critical heat flux (CHF) of subcooled flow boiling of alumina nanofluids in a horizontal microehannel显示文摘 | VAFAEI S WEN D | 2010 | Journal of Heat Transfer2010，132，10： | 1 |
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