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Particuology 2014年第2期12卷 100-105页

作者： Seyed Mohammad Javad hosseini Ataallah Soltani Goharrizi Bahador Abolpour Department of Chemical Engineering Faculty of EngineeringShahid Bahonar University of Kerman

The design of micro-devices involving aerosol transport requires the study of the deposition of aerosols in micro-channels. In this study, the slip and no-slip boundary conditions for the gas flow regime were applied to the Navier-Stokes equations to obtain the particle deposition in simple and converging-diverging micro-channels. The equation of particle motion included inertial, viscous, Brownian, and gravity terms. It was found that the ratio of gravity to inertial effects controls the deposition of particles with diameters of 0.1-1 μm, and the ratio of diffusion to inertial effects controls the deposition of particles with diameters of 0.01-0.001 i^m. Comparison between the no-slip and slip flow regimes showed that the deposition of 0.1- to 1-μm-diameter particles was less and the deposition of 0.01- to 0.001-1μm-diameter particles was greater for the slip flow regime. There was no significant difference between slip and no-slip flow regimes for the deposition of 0.01- to 0.1-μm-diameter particles. Finally, it was shown that the stagnated gas in the corners of the converging-diverging micro-channel produced similar gas velocity profiles under the slip and no-slip flow regimes.

关键词： Aerosol depositionMicro-channelConverging-diverging micro-channelSlip boundary condition

Solvent-free Knoevenagel Condensations over TiO2

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Chinese Journal of Chemistry 2007年第10期25卷 1563-1567页

作者： hosseini-SARVARI, Mona SHARGHI, Hashem ETEMAD, Samane Department of Chemistry Faculty of Science Shiraz University Shiraz 71454 Iran

在 SFC 下面在 Knoevenagel 反应包含底层的范围的研究被进行了。反应趋势用缺乏的电子和富有的芳基醛赞成了冷凝作用产品的形成。再循环的研究证实反应媒介能被过去常多重时间负担得起，与每跑，超过 95% 变换的需要的冷凝作用产品。

关键词：二氧化钛乙醛丙二腈溶解能力 Knoevenagel反应

Primary tumor location and survival in colorectal cancer: A retrospective cohort study

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World Journal of Gastrointestinal Oncology 2020年第4期12卷 405-423页

作者： Himani Aggarwal Kristin M Sheffield Li Li David Lenis Rachael Sorg Afsaneh barzi Rebecca Miksad Eli Lilly and Company IndianapolisIN 46225United States Flatiron Health New YorkNY 10013United States Keck School of Medicine University of Southern CaliforniaLos AngelesCA 90033United States

BACKGROUND Primary tumor location is a prognostic factor for metastatic colorectal cancer(m CRC).Post hoc analyses of m CRC clinical trials,including FIRE-3,CALGB/SWOG 80405,suggest that primary tumor location is also predictive of survival benefit with cetuximab or bevacizumab in combination with 5-fluorouracil-based *** Evaluate prognostic/predictive roles of primary tumor location in real-world m CRC patients treated with cetuximab or bevacizumab plus 5-fluorouracil-based *** This retrospective cohort study selected patients with KRAS wild-type m CRC who initiated first-line therapy with cetuximab or bevacizumab in combination with 5-fluorouracil/leucovorin/irinotecan(FOLFIRI)or 5-fluorouracil/leucovorin/oxaliplatin(FOLFOX)between January 2013 and April 2017 from the Flatiron Health electronic health record-derived database of de-identified patientlevel data in the United *** tumor location was abstracted from patients’***-sided primary tumor location(LPTL)was defined as tumors that originated in the splenic flexure,descending colon,sigmoid colon,or rectum;right-sided primary tumor location(RPTL)was defined as tumors that originated from the appendix,cecum,ascending colon,hepatic flexure,or transverse *** score matching was used to balance the baseline demographic and clinical characteristics between patients treated with cetuximab and patientstreated with ***-Meier and Cox regression methods were used for survival *** A total of 1312 patients met the selection *** 248 cetuximab plus FOLFIRI or FOLFOX patients,164 had LPTL and 84 had RPTL;of 1064 bevacizumab plus FOLFIRI or FOLFOX patients,679 had LPTL and 385 had *** LPTL and RPTL patients were more likely to receive FOLFIRI vs bevacizumab patients(LPTL:64.0%vs 24.3%;RPTL:76.2%vs 24.9%,P<0.001).Stage at initial diagnosis was different between cetuximab RPTL vs bevacizumab RPTL patients(P<0.001);cetuximab

关键词： Bevacizumab Cetuximab Cohort study Colorectal neoplasms Electronic health records Prognosis Retrospective studies Survival

A new modeling approach of pressure waves at the inlet of internal combustion engines

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Journal of Thermal Science 2011年第2期20卷 181-188页

作者： David Chalet Alexandre mahé Jean-Franois Hétet Jérme Migaud Internal Combustion Engine Team Laboratory of Fluid Mechanics UMR CNRS 6598 Ecole Centrale de Nantes Advanced development Mann+Hummel France

This paper presents a new model used to describe the propagation of pressure waves at the inlet systems of internal combustion engine. In the first part, an analogy is made between the compressible air in a pipe and a mechanical ideal mass damper spring system. A new model is then presented and the parameters of this model are determined by the use of an experimental setup (shock tube test bench). With this model, a transfer function is defined in order to link directly the pressure and the air mass flow rate. In the second part, the model is included into an internal combustion engine simulation code. The results obtained with this code are compared to experimental ones which are measured on a one-cylinder engine test bench. This last one is driven by an electric motor in order to study only the effect of the pressure waves on the engine behavior. A good agreement is obtained between the experimental results and the numerical ones and the new approach is an alternative method for modeling the pressure wave phenomena in an internal combustion engine manifold.

关键词：建模方法压力波内燃机空气质量流量弹簧系统实验装置波的传播机械质量

An Efficient Lightweight Authentication and Key Agreement Protocol for Patient Privacy

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Computers, Materials & Continua 2021年第12期69卷 3495-3512页

作者： Seyed Amin hosseini Seno mahdi Nikooghadam Rahmat Budiarto Department of Computer Engineering Ferdowsi University of MashhadMashhad***Iran Department of Informatics Faculty of Science and TechnologyUniversitas Alazhar IndonesiaJakarta12110Indonesia

Tele-medical information system provides an efficient and convenient way to connect patients at home with medical personnel in clinical *** this system,service providers consider user authentication as a critical *** address this crucial requirement,various types of validation and key agreement protocols have been *** main problem with the two-way authentication of patients and medical servers is not built with thorough and comprehensive analysis that makes the protocol design yet has *** paper analyzes carefully all aspects of security requirements including the perfect forward secrecy in order to develop an efficient and robust lightweight authentication and key agreement *** secureness of the proposed protocol undergoes an informal analysis,whose findings show that different security features are provided,including perfect forward secrecy and a resistance to DoS ***,it is simulated and formally analyzed using Scyther *** results indicate the protocol’s robustness,both in perfect forward security and against various *** addition,the proposed protocol was compared with those of other related protocols in term of time complexity and communication *** time complexity of the proposed protocol only involves time of performing a hash function Th,i.e.,:O(12Th).Average time required for executing the authentication is 0.006 seconds;with number of bit exchange is 704,both values are the lowest among the other *** results of the comparison point to a superior performance by the proposed protocol.

关键词： Authentication key agreement protocol tele-medical Scyther perfect forward secrecy

Theoretical approaches to alpha decay half-lives of super-heavy nuclei

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Chinese Physics C 2017年第6期41卷 69-74页

作者： S. S. hosseini H. Hassanabadi Physics Department Shahrood University of Technology Shahrood Iran

We consider the systematics of α-decay half-lives of super-heavy nuclei versus the decay energy and the total α-kinetic energy. We calculate the half-lives using the experimental Qα values. The computed half-lives are compared with the experimental data and with existing empirical estimates and are found to be in good agreement. Also, we obtain α-preformation factors from the ratio between theoretical and experimental results for some super- heavy nuclei and evaluate the standard deviation. The results indicate the acceptability of the approach.

关键词： alpha decay super heavy nuclei (SHN) half-life preformation factor

Efficient Synthesis of 2-Arylamino-2-imidazolines and 2-Aminobenzimidazoles with Aminoiminomethanesulfonic Acid Derivatives

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Chinese Journal of Chemistry 2011年第5期29卷 1055-1058页

作者： Mohanazadeh Farajollah Nami Navabe hosseini Samine Sadat Institute of Industrial Chemistry Iranian Research Organization for Science and Technology Tehran Iran Department of Chemistry Azad Islamic University Babol lran

A highly efficient synthesis of 2-arylamino-2-irnidazolines and 2-aminobenzimidazoles from aminoiminomethanesulfonic acid derivatives is described. The method is simple and practical, generating imidazoline and benzim... 详细信息

关键词： 2-arylamino-2-imidazoline 2-aminobenzimidazole synthesis cyclization heterocycle aminoimi nomethanesulfonic acid ureas

CFD-DEM simulation of a pseudo-two-dimensional spouted bed comprising coarse particles

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Particuology 2019年第2期17卷 171-180页

作者： B. mahmoodi S.H. hosseini G. Ahmadi llam Gas Treating Company llam Iran Department of Chemical Engineering llam University llam 69315-516 Iran Department of Mechanical and Aeronautical Engineering Clarkson University Potsdam NY 13699-5725 USA

In the present study, computational fluid dynamics (CFD) and the discrete element method (DEM) are used in conjunction with the Eulerian-Lagrangian method to simulate a pseudo-two-dimensional spouted bed comprising coarse 6-mm particles. The open-source OpenFOAM code is used to solve the governing equations. The predicted vertical particle velocity along the bed axis, particle velocity profiles in the radial directi on, power spectral den sity, time-averaged particle velocity vectors, bed pressure drop, and solid flow pattern are evaluated and compared with existing experimental data. Good agreement is found between the CFD-DEM results and the measured data. It is also shown that the present CFD-DEM model accurately predicts the particle flow pattern throughout the bed. It is found that the drag force, solid stresses, and gravity play important roles in the CFD-DEM simulation of a spouted bed comprising coarse particles.

关键词： CFD-DEM Pseudo-2D spouted bed Hydrodynamics Coarse particles

Suspended sediment load prediction using non-dominated sorting genetic algorithm Ⅱ

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International Soil and Water Conservation Research 2019年第2期7卷 119-129页

作者： mahmoudreza Tabatabaei Amin Salehpour Jam Seyed Ahmad hosseini Soil Conservation and Watershed Management Research Institute Agricultural ResearchEducation and Extension Organization(AREEO)TehranIran

Awareness of suspended sediment load (SSL) and its continuous monitoring plays an important role in soil erosion studies and watershed *** the common use of the conventional model of the sediment rating curve (SRC) and the methods proposed to correct it,the results of this model are still not sufficiently *** this study,in order to increase the efficiency of SRC model,a multi-objective optimization approach is proposed using the Non-dominated Sorting Genetic Algorithm Ⅱ (NSGA-Ⅱ) *** instantaneous flow discharge and SSL data from the Ramian hydrometric station on the Ghorichay River,Iran are used as a case *** the first part of the study,using self-organizing map (SOM),an unsupervised artificial neural network,the data were clustered and classified as two homogeneous groups as 70% and 30% for use in calibration and evaluation of SRC models,*** the second part of the study,two different groups of SRC model comprised of conventional SRC models and optimized models (single and multi-objective optimization algorithms) were extracted from calibration data set and their performance was *** comparative analysis of the results revealed that the optimal SRC model achieved through NSGA-Ⅱ algorithm was superior to the SRC models in the daily SSL estimation for the data used in this *** that the use of the SRC model is common,the proposed model in this study can increase the efficiency of this regression model.

关键词： Clustering Neural network Non-dominated sorting genetic algorithm Ⅱ (NSGA-Ⅱ) Sediment rating curve Self-organizing map

CFD modeling of a spouted bed with a porous draft tube

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Particuology 2010年第5期8卷 415-424页

作者： Salar Azizi Seyyed Hossein hosseini M.Moraveji Goodarz Ahmadi Chemical Engineering Department Faculty of EngineeringArak University Department of Chemical Engineering Faculty of EngineeringIlam University Department of Mechanical and Aeronautical Engineering Clarkson University

Spouted bed with a porous draft tube is used for drying of grains and chemical products and thermal disinfestations process. This work provides a computational fluid dynamics （CFD） simulation of binary mixtures of glass particles in a spouted bed with a porous draft tube. The simulation used the multi-fluid Eulerian-Eulerian approach based on kinetic theory of granular flows, incorporating a kinetic-frictional constitutive model for dense assemblies of particulate solids and Gidaspow＇s drag model for the interaction between gas and particles. Influences of solids mass fraction and inlet gas flow rate on pressure distribution, gas and particle velocities were studied. The modeling results were compared with the exper- imental work of Ishikura, Nagashima, and Ide （2003） for the flow condition along the axis of the spouted bed. Good agreement between the modeling results and experimental data was observed.

关键词： Spouted bedPorous dra tubeHydrodynamicsKinetictheoryCFD