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| 1 | Enhanced light-matter interactions in dielectric nanostructures via machine-learning approach显示文摘A key concept underlying the specific functionalities of metasurfaces is the use of constituent components to shape the wavefront of the light on demand.Metasurfaces are versatile,novel platforms for manipulating the scattering,color,phase,or intensity of light.Currently,one of the typical approaches for designing a metasurface is to optimize one or two variables among a vast number of fixed parameters,such as various materials’properties and coupling effects,as well as the geometrical parameters.Ideally,this would require multidimensional space optimization through direct numerical simulations.Recently,an alternative,popular approach allows for reducing the computational cost significantly based on a deep-learning-assisted method.We utilize a deep-learning approach for obtaining high-quality factor(high-Q)resonances with desired characteristics,such as linewidth,amplitude,and spectral position.We exploit such high-Q resonances for enhancedlight–matter interaction in nonlinearoptical metasurfaces and optomechanical vibrations,simultaneously.We demonstrate that optimized metasurfaces achieve up to 400-fold enhancement of the third-harmonic generation;at the same time,they also contribute to 100-fold enhancement of the amplitude of optomechanical vibrations.This approach can be further used to realize structures with unconventional scattering responses. | Lei Xu Mohsen Rahmani Yixuan Ma Daria ASmirnova Khosro Zangeneh Kamali Fu Deng Yan Kei Chiang Lujun Huang Haoyang Zhang Stephen Gould Dragomir N.Neshev Andrey E.Miroshnichenko | 2020 | Advanced Photonics2020，2，2： | 8 |
| 2 | Boosting third-harmonic generation by a mirror-enhanced anapole resonator显示文摘We demonstrate that a dielectric anapole resonator on a metallic mirror can enhance the third harmonic emission by two orders of magnitude compared to a typical anapole resonator on an insulator substrate.By employing a gold mirror under a silicon nanodisk,we introduce a novel characteristic of the anapole mode through the spatial overlap of resonantly excited Cartesian electric and toroidal dipole modes.This is a remarkable improvement on the early demonstrations of the anapole mode in which the electric and toroidal modes interfere off-resonantly.Therefore,our system produces a significant near-field enhancement,facilitating the nonlinear process.Moreover,the mirror surface boosts the nonlinear emission via the free-charge oscillations within the interface,equivalent to producing a mirror image of the nonlinear source and the pump beneath the interface.We found that these improvements result in an extremely high experimentally obtained efficiency of 0.01%. | Lei Xu Mohsen Rahmani Khosro Zangeneh Kamali Aristeidis Lamprianidis Lavinia Ghirardini Jürgen Sautter Rocio Camacho-Morales Haitao Chen Matthew Parry Isabelle Staude Guoquan Zhang Dragomir Neshev Andrey E.Miroshnichenko | 2018 | Light(Science & Applications)2018，7，1： | 5 |
| 3 | 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 |
| 4 | Numerical investigation of the effectiveness of radon control measures in cave mines显示文摘Ventilation is one of the radon control measures in an underground working environment.However,the dynamics related to the cave mining methods particularly in block/panel cave mines,complicate the design of effective ventilation system,and implementation.Events such as hang ups(in the drawbells),leakage from old workings,and changes in cave porosity lead to differing response of an existing ventilation designs.However,it is difficult to investigate these conditions at the mine or with a laboratory scale study.Therefore,this study develops a discrete model to investigate the impact of different radon control measures in cave mines using computational fluid dynamics techniques.We considered two ventilation conditions for a fully developed cave:with and without the undercut ventilation.For each of the two conditions,we studied four parameters:airflow distribution through the production drifts,radon distribution through the production drifts,the effect of increasing airflow on radon concentration,and the effect of a cave top negative pressure on radon distribution.The results show that:the undercut ventilation significantly increases the radon concentration in the production drift;the growth of radon concentration through the production drift is nonlinear(oscillating pattern);maintaining a negative pressure on top of the cave is more effective at mitigating radon exposure,when the undercut ventilation is active;and increase in air volume flow rate decreases radon concentration in most regions,however,there might be regions with significant radon accumulation due to pressure variation across the drifts.These findings provide vital information for designing an effective ventilation system and for proactive implementation of radon control measures in cave mines. | Kayode Ajayi Khosro Shahbazi Purushotham Tukkaraja Kurt Katzenstein | 2019 | International Journal of Mining Science and Technology2019，29，3： | 3 |
| 5 | Evaluation of renewable energies production potential in the Middle East:confronting the world’s energy crisis显示文摘Oil and fossil fuels,the main source of energy in the Middle East have obviously the most destructive effects on the environment and public health.The developed countries of the Middle East are faced with the crisis and energy security.This paper is about evaluating the energy demand/consumption in the Middle East.First,the position of energy consumption in the world and the Middle East is discussed.Next,the evaluation of the current potential of clean energy production from renewable energies is explained.Finally,according to related maps,charts and information presented for the condition of renewable energy which has been approved by the countries of the Middle East,the greatest places in some countries of this region are introduced and discussed. | Hamid BAHRAMPOUR Amir Khosro BEHESHTI MARNANI Mohammad Bagher ASKARI Mohammad Reza BAHRAMPOUR | 2020 | Frontiers in Energy2020，14，1： | 3 |
| 6 | Prediction of airway resistance in panel cave mines using a discrete and continuum model显示文摘The configuration of an airway(or production drift)in panel cave mines is different from the typical(straight)mine airway designs.The drawpoints are connected to the airway(cross-cuts),which allows airflow from the cave into the airway or air loss from the airway into the cave due to the ventilation approach and cave porosity.These affect airflow in the production drifts,but it is difficult to investigate these conditions from field or laboratory scaled studies.Therefore,this study develops discrete and continuum computational fluid dynamics(CFD)models to study the effects of the ventilation approach and cave porosity on the airway resistance.Our findings show that:with active undercut ventilation,a unique resistance model is required for the airway in panel cave mines;and an increase in cave porosity decreases the drift’s resistance.These findings provide essential tools for a panel cave ventilation design. | Kayode M.Ajayi Khosro Shahbazi Purushotham Tukkaraja Kurt Katzenstein | 2019 | International Journal of Mining Science and Technology2019，29，5： | 2 |
| 7 | Effects of ultrasonic treatment on microstructure and tensile strength of AZ91 magnesium alloy显示文摘 | M. Khosro Aghayani B. Niroumand | 2010 | Journal of Alloys and Compounds2010，，1： | 2 |
| 8 | Effects of ultrasonic treatment on microstructure and tensile strength of AZ91 magnesium alloy 显示文摘 | KHOSRO AGHAYANI M NIROUMAND B | 2011 | Journal of Alloys and Compounds2011，509，： | 1 |
| 9 | Enhancement of catalysis and functional expression of a bacterial laccase by single amino acid replacement显示文摘 | Nikoo Nasoohi Khosro Khajeh Mahdi Mohammadian Bijan Ranjbar | 2013 | International Journal of Biological Macromolecules2013，，： | 1 |
| 10 | Comparative evaluation of the anfiox-idant potential of some Iranian medicinal plants 显示文摘 | Jaouad B Khosro P Hassan R | 2007 | Food Chemistry2007，104，： | 1 |
| 11 | Role of Internal Sphineterotomy in the Treatment of Hemorrhoids: A Randomized Clinical Trial显示文摘 | Seyed Vahid Hosseini Khosro Sharifi | 2007 | Arch Iranian Med2007，10，4： | 1 |
| 12 | Long noncoding RNAs (lncRNAs) in human lymphomas显示文摘Lymphomas are a diverse group of haematologic malignancies, which occur in infection-fighting cells of the lymphatic system. Long non-coding RNAs (lncRNAs) are non-coding RNAs, which have recently received significant attention as the main mediators of gene expression. In this review, we summarize the current knowledge on lncRNAs involved in lymphomas, their molecular functions, as well as their potential clinical value. Relevant literature was identified by a PubMed search of English language papers using the following terms: Lymphoma, LncRNA, leukemia, proliferation, apoptosis, and prognosis. LncRNAs are imperative for lymphoma carcinogenesis through affecting apoptosis, cell proliferation, invasion, and response to chemotherapy. The expression level of lncRNAs can affect chemotherapy-induced apoptosis. Taken together, lncRNA dysregulation in lymphoma cells is not only an epiphenomenon but also lncRNA transcription is critically related to the initiation and progression of lymphomas. Aberrant expression of lncRNAs can lead to the transformation of normal lymphocytes into lymphoma cells. | Ali Gholami Khosro Farhadi Fatemeh Sayyadipour Masoud Soleimani Fakhredin Saba | 2022 | Genes & Diseases2022，9，4： | 1 |
| 13 | Stabilisation of unstable FOPDT processes with a single zero by fractional-order controllers显示文摘 | Iraj Kheirizad AliAkbar Jalali Khosro Khandani | 2013 | International Journal of Systems Science2013，，8： | 1 |
| 14 | Effects of ultrasonic treatment on microstructure and tensile strength of AZ91 magnesium alloy显示文摘 | M. Khosro Aghayani B. Niroumand | 2010 | Journal of Alloys and Compounds2010，，1： | 1 |
| 15 | Influence of graphene nanoplatelets on mechanical properties and adhesive wear performance of epoxy-based composites显示文摘Epoxy resin is one of the most widely used thermoset polymers in high-performance composite materials for lightweight applications.However,epoxy has a high coefficient of friction,which limits its tribological applications.In this study,the effect was investigated of different weight fractions of solid lubricant graphene nanoplatelets(GNPs),ranging from 0 to 4.5 wt%,on mechanical and adhesive wear performance of epoxy.Adhesive wear tests covered mild and severe wear regimes.The correlation of tribological and mechanical properties was studied as well.Scanning electron microscopy(SEM)was used to observe the failure mechanisms for both tribological and mechanical samples after each test.The results revealed that the addition of GNPs to the epoxy improved its stiffness and hardness but reduced its fracture strength and toughness.Adhesive wear performance exhibited high efficiency with GNP additions and showed reductions in the specific wear rate,the coefficient of friction,and the induced interface temperature by 76%,37%,and 22%,respectively.A fatigue wear mechanism was predominant as the applied load increased.Most importantly,severe wear signs occurred when the interface temperature reached the heat distortion temperature of the epoxy.The tribological,and mechanical properties showed only a weak correlation to each other.The addition of GNPs to epoxy by less than 4.5 wt%was highly efficient to improve the wear performance while maintaining the fracture strength and toughness.Fourier transform infrared spectroscopy(FTIR)analysis shows no chemical interaction between the epoxy matrix with GNPs,which implies its physical interaction. | K.Y.EAYAL AWWAD B.F.YOUSIF Khosro FALLAHNEZHAD Khalid SALEH Xuesen ZENG | 2021 | Friction2021，9，4： | 1 |
| 16 | Electronic commerce-enabled supply chain process integration and business value 显示文摘 | Morteza Ghobakhloo Mohammad Sadegh Sabouri Tang Sai Hong Khosro Amirizadeh | 2011 | Journal of Systems and Information Technology2011，，4： | 1 |
| 17 | A discrete state-space model for ssr stabilizing controller design for tcsc compensated systems显示文摘 | Khosro Kabiri Sebastian Henschel Jose Ramon Martf | 2005 | IEEE Transactions on Power Delivery2005，20，1： | 1 |
| 18 | Possible protection of the posterior segment by a phakic intraocular lens显示文摘 | Sepehr Feizi Khosro Jadidi Masoud Soheilian | 2007 | Journal of Cataract & Refractive Surgery2007，，12： | 1 |
| 19 | Covalent attachment of cholesterol oxidase and horseradish peroxidase on perlite through silanization:Activity,stability and co-immobilization显示文摘 | Seyed F T Khosro K Salehe G | 2007 | J Biotechnol2007，131，2： | 1 |
| 20 | Development and characterization of solid dispersion of piroxicam for improvement of dissolution rate using hydrophilic carriers显示文摘 | MOHAMMAD BJ SAEED G KHOSRO A | 2014 | Bioimpacts2014，4，3： | 1 |
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