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| 1 | Prediction of subsidence risk by FMEA using artificial neural network and fuzzy inference system显示文摘Construction of metro tunnels in dense and crowded urban areas is faced with many risks, such as subsidence. The purpose of this paper was the prediction of subsidence risk by failure mode and effect analysis(FMEA) and fuzzy inference system(FIS). Fuzzy theory will be able to model uncertainties. Fuzzy FMEA provides a tool that can work in a better way with vague concepts and without sufficient information than conventional FMEA. In this paper, S and D are obtained from fuzzy rules and O is obtained from artificial neural network(ANN). FMEA is performed by developing a fuzzy risk priority number(FRPN).The FRPN for two stations in Tehran No.4 subway line is 3.1 and 5.5, respectively. To investigate the suitability of this approach, the predictions by FMEA have been compared with actual data. The results show that this method can be useful in the prediction of subsidence risk in urban tunnels. | Rafie Meraj Samimi Namin Farhad | 2015 | International Journal of Mining Science and Technology2015，25，4： | 9 |
| 2 | A Survey on the Moving Target Defense Strategies:An Architectural Perspective显示文摘As the complexity and the scale of networks continue to grow,the management of the network operations and security defense has become a challenging task for network administrators,and many network devices may not be updated timely,leaving the network vulnerable to potential attacks.Moreover,the static nature of our existing network infrastructure allows attackers to have enough time to study the static configurations of the network and to launch well-crafted attacks at their convenience while defenders have to work around the clock to defend the network.This asymmetry,in terms of time and money invested,has given attackers greater advantage than defenders and has made the security defense even more challenging.It calls for new and innovative ideas to fix the problem.Moving Target Defense (MTD)is one of the innovative ideas which implements diverse and dynamic configurations of network systems with the goal of puzzling the exact attack surfaces available to attackers.As a result,the system status with the MTD strategy is unpredictable to attackers,hard to exploit,and is more resilient to various forms of attacks.There are existing survey papers on various MTD techniques,but to the best of our knowledge,insufficient focus was given on the architectural perspective of MTD strategies or some new technologies such as Internet of Things (IoT).This paper presents a comprehensive survey on MTD and implementation strategies from the perspective of the architecture of the complete network system,covering the motivation for MTD,the explanation of main MTD concepts,ongoing research efforts of MTD and its implementation at each level of the network system,and the future research opportunities offered by new technologies such as Software-Defined Networking (SDN)and Internet of Things (IoT). | Jianjun Zheng Akbar Siami Namin | 2019 | Journal of Computer Science & Technology2019，34，1： | 6 |
| 3 | Mechanical Properties and Temper Resistance of Deformation Induced Ferrite in a Low Carbon Steel显示文摘The microstructures and mechanical properties of deformation induced ferrite(DIF) in the low carbon steel Q235 under different deformation temperatures have been investigated systematically.Through deformation induced ferrite transformation(DIFT),ferrite grain can be refined to 3 μm and accounts for above 85% of the overall fraction.Yield strength of DIF(>500 MPa) is increased by up to 100% compared with the conventional low carbon steel.Comparison of microstructure and mechanical properties in the Q235 steel with DIF and tempered DIF microstructure illustrates that the strengthening mechanism of DIF microstructure is the combination of grain boundary strengthening and carbon supersaturated strengthening.Electron back-scattered diffraction(EBSD) analysis and high magnification scanning electron microscopy(SEM) observation denote that high-angle grain boundary among ultrafine ferrite grain and the transformation product of retain austenite membrane along ferrite boundaries are responsible for the stability of ferrite grain size during tempering process.Transmission electron microscopy(TEM) analysis demonstrates that the transformation product of retained austenite membrane between ferrite grain boundaries is cementite. | Luhan Hao,Namin Xiao,Chengwu Zheng and Dianzhong Li Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China | 2010 | Journal of Materials Science & Technology2010，26，12： | 3 |
| 4 | Transformation Behavior of Precipitates in a W-alloyed 10 wt pct Cr Steel for Ultra-supercritical Power Plants显示文摘Thermodynamic calculation,thermal analysis,and identification and observation of precipitates have been carried out on a W-alloyed 10 wt pct Cr steel by means of ThermoCalc program,differential thermal analysis(DTA),X-ray diffraction(XRD) and transmission electron microscopy(TEM) with an energy dispersive Xray spectrometer,respectively.Several critical phase transformation points were determined by combining experimental results with calculations.Two individually stable phases of Nb(C,N) and VN,instead of one single phase MX(X:C,N),M23C6 or Laves phases,were predicted in the calculated equilibrium phase diagram.An unstable elongated M7C3 with relatively higher Cr was detected unexpectedly in the normalized and tempered steel.Two kinds of spherical Nb(C,N) with different size were recognized as the primary and the secondary precipitates of Nb(C,N) which contain different V contents.It was observed that one kind of complex precipitate in a special V-wing shape was resulted from two plate-like VN adhering to coarse primary spherical Nb(C,N). | Xiaoqiang Hu,Namin Xiao,Xinghong Luo and Dianzhong Li Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China | 2010 | Journal of Materials Science & Technology2010，26，9： | 3 |
| 5 | Characterizations of Dynamic Strain-induced Transformation in Low Carbon Steel显示文摘Dynamic strain-induced transformation of the low carbon steel Q(235) at 770℃ and 850℃ leads to fine ferrite grains. The microstructure characterization and mechanism of the fine ferrite grain were studied by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and electron backscattered diffraction (EBSD) technique. The results show that strain-induced microstructure is the mixed microstructure of ferrite and pearlite, with cementite randomly distributed on ferrite grain boundaries and the grains interiors. EBSD images of grain boundaries demonstrate that high angle grain boundaries (HAGBs) are dominant in both of the deformation induced microstructures occurring below and above A(e3) , with only a few low angle grain boundaries (LAGBs) existing in the grain interiors. It implies that the dynamic strain-induced transformation (DSIT) happens above and below A(e3) temperature and has the same phase transition mechanisms. The refinement of ferrite is the cooperative effect of DSIT and continuous dynamic recrystallization (CDRX) of ferrite. Besides, DSIT is deemed as an incomplete carbon diffusion phase transition through the analysis of microstructure and the previous simulated results. The strengths of the Q(235) steel with refined ferrite and pearlite structure get doubled than the initial state without treated by DSIT and the residual stress in the refined structure is partly responsible for the ductility loss. | Luhan Hao Mingyue Sun Namin Xiao Dianzhong Li | 2012 | Journal of Materials Science & Technology2012，28，12： | 2 |
| 6 | Online learner's 'flow' experience:an empirical study显示文摘 | Namin Shin | 2006 | British Journal of Educational Technology2006，37，5： | 1 |
| 7 | Coupled simulation of the influence of austenite deformation on the subsequent isothermal austenite-ferrite transformation 显示文摘 | Xiao Namin Tong Mingming Lan Yongjun | 2006 | Acta Mater2006，54，： | 1 |
| 8 | Preva- lence of colorectal neoplasia among young African Americans and Hispanic Americans 显示文摘 | ASHKTORAB H PAYDAR M NAMIN H H | 2014 | Dig Dis Sci2014，59，2： | 1 |
| 9 | Evaluating the potential of clonal selection optimization algorithm to hyperspectral image feature selection 显示文摘 | SAMADZADEGAN F NAMIN S R RAJABI M A | 2012 | Key Engineering Materials2012，500，1： | 1 |
| 10 | Influence of amendments and aided phytostabilization on metal availability and mobility in Pb/Zn mine tailings显示文摘 | Sang-Hwan Lee WonHyun Ji Won-Seok Lee Namin Koo Il Ha Koh Min-Suk Kim Jeong-Sik Park | 2014 | Journal of Environmental Management2014，，： | 1 |
| 11 | Environmental impact assessment of open pit mining in Iran显示文摘 | M. Monjezi K. Shahriar H. Dehghani F. Samimi Namin | 2009 | Environmental Geology2009，，1： | 1 |
| 12 | Transdifferentiation of bone marrow stromal cells into cholinergic neuronal phenotype: a potential source for cell therapy in spinal cord injury显示文摘 | Majid Naghdi Majid Naghdi Taki Tiraihi Seyed Alireza Mesbah Namin Jalil Arabkheradmand | 2009 | Cytotherapy2009，，2： | 1 |
| 13 | Lipoprotein(a) and lipid levels in young patients with myocardial infarction and their first - degree relatives显示文摘 | Isser HS Puri VK Namin VS | | Indian Heart J0，53，： | 1 |
| 14 | FMMSIC: a hybrid fuzzy based decision support system for MMS (in order to estimate interrelationships between criteria) 显示文摘 | Samimi Namin F Shahriar K Bascetin A Ghodsypour S H | 2011 | Journal of the Operational Research Society2011，4，5： | 1 |
| 15 | Deposition and imaging of localized charge on insulator surfaces using a force microscoge显示文摘 | Terris B D Namin H J | 1988 | Appl Phys Lett1988，53，： | 1 |
| 16 | Using UPFC in order to power flow control显示文摘 | Namin M H | 2006 | IEEE International Conference on Industrial Technology2006，10，： | 1 |
| 17 | Transdifferentiation of bone marrow stromal cells into chotinergic neuronal phenotype:a potential source for cell therapy in spinal cord injury显示文摘 | Naghdi M Tiraihi T Namin SA | | 0，，02： | 1 |
| 18 | Comment on 'ma-trix metalloproteinase - 7 and matrix metalloproteinase - 9 in pedi- atric multiple sclerosos'显示文摘 | Zahednasab H Balood M Mesbah - Namin SA | 2013 | Pediatr Neurol2013，48，3： | 1 |
| 19 | A novel mutual RFID authentication protocol with low complexity and high security显示文摘 | Samad Rostampour Mojtaba Eslamnezhad Namin Mehdi Hos- seinzadeh | 2014 | International Journal of Modem Education and Computer Science ( IJMECS )2014，6，1： | 1 |
| 20 | Efective use of autoantibody tests in the diagnosis of systemic autoimune disease 显示文摘 | Lyons R Namin S Nichols C | 2005 | Ann NY Acad Sci2005，105，5： | 1 |
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