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New Relationship for Estimation of Wave Overtopping on Vertical Walls

China Ocean Engineering 2017年第1期31卷 48-54页

作者： ESKAND ARI Hojjatollah kamalian ulrich reza Coastal Engineering Group University of Qom Qom *** Iran

Soft computing tools in the form of combination of multiple nonlinear regression and M5′ model tree were used for estimation of overtopping rate at the vertical coastal structures. For reliable and precise estimation of overtopping rate, the experimental data available in the database CLASH were used. The dimensionless overtopping rate was estimated in terms of conventional dimensionless parameters including the relative crest freeboard Rc/Hs, seabed slope tanθ, deep water wave steepness S（om）, surf similarity ξ（om） and local relative water depth ht/Hs. The accuracy of the new model was compared with other existing models and also evaluated with some field measurements. The results indicated that the model presented in this paper is more accurate than other existing models. With statistical parameters, it is shown that the accuracy of predictions in the new model is better than that of other models.

关键词： similarity dimensionless precise Walls crest formulae trained coastal separate correction

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Soil bentonite wall protects foundation from thrust faulting: analyses and experiment

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Earthquake Engineering and Engineering Vibration 2013年第3期12卷 473-486页

作者： Meysam Fadaee I. Anastasopoulos G. Gazetas M.K. Jafari M. kamalian International Institute of Earthquake Engineering and Seismology School of Civil Engineering National Technical University

When seismic thrust faults emerge on the ground surface, they are particularly damaging to buildings, bridges and lifelines that lie on the rupture path. To protect a structure founded on a rigid raft, a thick diaphragm-type soil bentonite wall （SBW） is installed in front of and near the foundation, at sufficient depth to intercept the propagating fault rupture. Extensive numerical analyses, verified against reduced-scale （1 g） split box physical model tests, reveal that such a wall, thanks to its high deformability and low shear resistance, ＂absorbs＂ the compressive thrust of the fault and forces the rupture to deviate upwards along its length. As a consequence, the foundation is left essentially intact. The effectiveness of SBW is demonstrated to depend on the exact location of the emerging fault and the magnitude of the fault offset. When the latter is large, the unprotected foundation experiences intolerable rigid-body rotation even if the foundation structural distress is not substantial.

关键词： soil bentonite wall fault rupture soil-structure interaction seismic hazard mitigation tectonic deformation soil-foundation interaction

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On a Number of Colors in Cyclically Interval Edge Colorings of Simple Cycles

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Open Journal of Discrete Mathematics 2013年第1期3卷 43-48页

作者： Rafayel R. kamalian Institute for Informatics and Automation Problems The National Academy of Sciences of Republic of ArmeniaYerevan Republic of Armenia

A proper edge t-coloring of a graph G is a coloring of its edges with colors 1,2,???,t such that all colors are used, and no two adjacent edges receive the same color. A cyclically interval t-coloring of a graph G is a proper edge t-coloring of G such that for each its vertex x, either the set of colors used on edges incident to x or the set of colors not used on edges incident to x forms an interval of integers. For an arbitrary simple cycle, all possible values of t are found, for which the graph has a cyclically interval t-coloring.

关键词： Proper Edge Coloring Cyclically Interval Coloring Simple Cycle

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Interventions of natural and synthetic agents in inflammatory bowel disease, modulation of nitric oxide pathways

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World Journal of Gastroenterology 2020年第24期26卷 3365-3400页

作者： Aida kamalian Masoud Sohrabi Asl Mahsa Dolatshahi Khashayar Afshari Shiva Shamshiri Nazanin Momeni Roudsari Saeideh Momtaz Roja Rahimi Mohammad Abdollahi Amir Hossein Abdolghaffari Department of Medicine Tehran University of Medical SciencesTehran ***Iran Students'Scientific Research Center Tehran University of Medical SciencesTehran ***Iran Department of Traditional Pharmacy School of Persian MedicineTehran University of Medical SciencesTehran ***Iran Department of Toxicology and Pharmacology Faculty of PharmacyTehran Medical SciencesIslamic Azad UniversityTehran ***Iran Medicinal Plants Research Center Institute of Medicinal PlantsACECRTehran ***Iran Toxicology and Diseases Group(TDG) Pharmaceutical Sciences Research Center(PSRC)The Institute of Pharmaceutical Sciences(TIPS)and Department of Toxicology and PharmacologySchool of PharmacyTehran University of Medical SciencesTehran ***Iran Gastrointestinal Pharmacology Interest Group Universal Scientific Education and Research NetworkTehran ***Iran Department of Toxicology and Pharmacology Faculty of PharmacyTehran University of Medical SciencesTehran ***Iran

Inflammatory bowel disease(IBD)refers to a group of disorders characterized by chronic inflammation of the gastrointestinal(GI)*** elevated levels of nitric oxide(NO)in serum and affected tissues;mainly synthesized by the inducible nitric oxide synthase(iNOS)enzyme;can exacerbate GI inflammation and is one of the major biomarkers of GI *** natural and synthetic agents are able to ameliorate GI inflammation and decrease iNOS expression to the extent comparable with some IBD ***,the purpose of this study was to gather a list of natural or synthetic mediators capable of modulating IBD through the NO *** databases including Google Scholar and PubMed were searched from 1980 to May *** found that polyphenols and particularly flavonoids are able to markedly attenuate NO production and iNOS expression through the nuclear factorκB(NF-κB)and JAK/STAT signaling *** and probiotics can also alter the GI microbiota and reduce NO expression in IBD models through a broad array of mechanisms.A number of synthetic molecules have been found to suppress NO expression either dependent on the NF-κB signaling pathway(i.e.,dexamethasone,pioglitazone,tropisetron)or independent from this pathway(i.e.,nicotine,prednisolone,celecoxib,β-adrenoceptor antagonists).Co-administration of natural and synthetic agents can affect the tissue level of NO and may improve IBD symptoms mainly by modulating the Toll like receptor-4 and NF-κB signaling pathways.

关键词： Inflammatory bowel disease Ulcerative colitis Crohn’s disease Nitric oxide Nuclear factor-κB Natural or synthetic mediators

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