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| 1 | Effect of Y_2O_3 stabilized ZrO_2 coating with tri-model structure on bi-layered thermally grown oxide evolution in nano thermal barrier coating systems at elevated temperatures显示文摘Bi-layered thermally grown oxide(TGO) layer plays a major role in the spallation of Y2 O3 stabilized ZrO2(YSZ) layer form the bond coat in the thermal barrier coating(TBC) systems during oxidation. On the other hand, bi-layered TGO formation and growth in the TBC systems with nanostructured YSZ have not been deeply investigated during cyclic oxidation. Hence, Inconel 738/NiCrAlY/normal YSZ and Inconel 738/NiCrAlY/nano YSZ systems were pre-oxidized at 1000 °C and then subjected to cyclic oxidation at 1150 °C. According to microstructural observations, nanostructured YSZ layer over the bond coat should have less micro-cracks and pinholes, due to the compactness of the nanostructure and the presence of nano zones that resulted in lower O infiltration into the nanothermal barrier coating system, formation of thinner and nearly continuous mono-layered thermally grown oxide on the bond coat during pre-oxidation, lower spinels formation at the Al2 O3 /YSZ interface and finally, reduction of bi-layered thermally grown oxide thickness during cyclic oxidation. It was found that pre-heat treatment and particularly coating microstructure could influence microstructural evolution(bi-layered TGO thickness) and durability of thermal barrier coating systems during cyclic oxidation. | Mohammadreza Daroonparvar Muhamad Azizi Mat Yajid Noordin Mohd Yusof Hamid Reza Bakhsheshi-Rad Z.Valefi Esah Hamzah | 2014 | Journal of Rare Earths2014,32,1: | 10 |
| 2 | 新型PEO/纳米结构ZrO_2镁合金涂层的抗菌活性及腐蚀行为(英文)显示文摘为了增强镁合金的耐腐蚀性和抗菌活性,先采用等离子体电解氧化(PEO)在镁合金上制备一层结合层,再用空气等离子喷涂(APS)制备纳米结构ZrO_2表面涂层。采用电化学试验研究涂层样品的腐蚀行为,采用琼脂扩散法对其进行大肠杆菌病原菌抑菌活性评价,并与无涂层样品进行对比。与PEO涂层和无涂层镁合金相比,PEO/纳米ZrO_2涂层样品的腐蚀电流密度最低,电荷传递阻力最高,相位角和阻抗模量最高。PEO结合涂层被纳米ZrO_2表面涂层完全密封,能够显著延缓侵蚀性离子向镁合金表面迁移,显著提高镁合金在模拟体液(SBF)中的耐蚀性。此外,PEO/纳米ZrO_2涂层的抗菌活性也高于PEO涂层和无涂层镁合金,这是由于ZrO_2纳米颗粒通过作用于细胞膜而降低了大肠杆菌的生长速率。 | Mohammadreza DAROONPARVAR Muhamad Azizi MAT YAJID Rajeev KUMAR GUPTA Noordin MOHD YUSOF Hamid Reza BAKHSHESHI-RAD Hamidreza GHANDVAR Ehsan GHASEMI | 2018 | Transactions of Nonferrous Metals Society of China2018,28,8: | 10 |
| 3 | Investigation of three steps of hot corrosion process in Y_2O_3 stabilized ZrO_2 coatings including nano zones显示文摘Phase transformation of tetragonal ZrO2 to monoclinic phase and also increment of bond coat oxidation kinetic(TGO thickening) can substantially restrict the life time of thermal barrier coating systems(TBCs). So, nanostructured and conventional Y2O3 stabilized ZrO2 coatings were evaluated in fused V2O5-Na2SO4 salts during thermal exposure in air. Microstructural characterization showed lower hot corrosion products(monoclinic zirconia, YVO4 crystals) formation and reduction of TGO thickness in thermal barrier coating system consisting of nanostructured Y2O3 stabilized ZrO2(YSZ) top coat. It was found that inhomogeneities, pores and micro-cracks played a principal role in the molten salts infiltration into the YSZ coating during three steps of hot corrosion process. In the nanostructured YSZ coating with tri-model structure, nano zones which surrounded by fully molten parts could fill the aforementioned defects and could act as barrier for the oxygen and corrosive molten salts penetration into the TBC. | Mohammadreza Daroonparvar Muhamad Azizi Mat Yajid Noordin Mohd Yusof Hamid Reza BakhsheshiRad Esah Hamzah Mohsen Nazoktabar | 2014 | Journal of Rare Earths2014,32,10: | 10 |
| 4 | Synthesis of a PEBAX-1074/ZnO nanocomposite membrane with improved CO_2 separation performance显示文摘In this investigation, polymeric nanocomposite membranes(PNMs) were prepared via incorporating zinc oxide(ZnO) into poly(ether-block-amide)(PEBAX-1074) polymer matrix with different loadings. The neat membrane and nanocomposite membranes were prepared via solution casting and solution blending methods, respectively. The fabricated membranes were characterized by field emission scanning electron microscopy(FESEM) to survey cross-sectional morphologies and thermal gravimetric analysis(TGA)to study thermal stability. Fourier transform infrared(FT-IR) and X-ray diffraction(XRD) analyses were also employed to identify variations of the chemical bonds and crystal structure of the membranes, respectively. Permeation of pure gases, CO_2, CH_4 and N_2 through the prepared neat and nanocomposite membranes was studied at pressures of 3–18 bar and temperature of 25 °C. The obtained results showed that the fabricated nanocomposite membranes exhibit better separation performance compared to the neat PEBAX membrane in terms of both permeability and selectivity. As an example, at temperature of 25 °C and pressure of 3 bar, CO_2 permeability, ideal CO_2/CH_4 and CO_2/N_2 selectivity values for the neat PEBAX membrane are 110.67 Barrer, 11.09 and 50.08, respectively, while those values are 152.27 Barrer,13.52 and 62.15 for PEBAX/ZnO nanocomposite membrane containing 8 wt% ZnO. | Navid Azizi Toraj Mohammadi Reza Mosayebi Behbahani | 2017 | Journal of Energy Chemistry2017,26,3: | 5 |
| 5 | 纳米氧化铝作为第三层对热障涂层中热生长氧化物层的改善(英文)显示文摘在热障涂层的顶层与连接层界面之间会生成热生长氧化物层。当涂层热暴露在空气中时,这种热生长氧化物的生长会导致陶瓷层与连接层的剥落。研究了4种大气等离子喷涂热障涂层在空气中的耐高温氧化性能。将这4种涂层放在1000°C的电炉中在空气下分别保温24、48和120h。组织观察表明,在纳米NiCrAlY/YSZ/纳米Al2O3涂层中,热生长氧化物层的生长速率远比其它3种涂层中的低。EDS和XRD分析表明,在热生长氧化物(Al2O3)涂层上,生成了Ni(Cr,Al)2O4混合氧化物(尖晶石型)和NiO,在纳米NiCrAlY/YSZ/纳米Al2O3涂层中,这种生长在Al2O3层上的有害混合氧化物层的厚度比在其它涂层中的低很多。 | Mohammadreza DAROONPARVAR Muhamad Azizi Mat YAJID Noordin Mohd YUSOF Saeed FAR AHANY Mohammad Sakhawat HUSSAIN Hamid Reza BAKHSHESHIRAD Z.VALEFI Ahmad ABDOLAHI | 2013 | Transactions of Nonferrous Metals Society of China2013,23,5: | 4 |
| 6 | 伊朗传统放血拔罐疗法的临床应用显示文摘本文介绍了伊朗传统医学中“放血拔罐”疗法的临床操作手法、施治部位、应用范围及注意事项等,使国内读者对伊朗的传统疗法有所认识,为各国传统医学的相互借鉴、交流提供资讯。 | Hamid Reza Bahrami-Taghanaki Hoda Azizi 赵百孝 | 2009 | 国际中医中药杂志2009,31,4: | 4 |
| 7 | Nephrogenic acute respiratory distress syndrome: A narrative review on pathophysiology and treatment显示文摘 | Maryam Malek Jalal Hassanshahi Reza Fartootzadeh Fatemeh Azizi Somayeh Shahidani | 2018 | Chinese Journal of Traumatology2018,21,1: | 3 |
| 8 | 两步电沉积微/纳米结构表面的滴状冷凝的热传递(英文)显示文摘冷凝是一种重要的传热机制,在发电厂、采暖、通风、空调、制冷等行业有着广泛的应用。冷凝以两种不同的模式发生,包括膜状冷凝(FWC)和滴状冷凝(DWC)。在疏水和超疏水表面上发生的滴状冷凝热传递容量远高于膜状冷凝。因此,近年来对滴状冷凝进行了广泛的研究。超疏水表面具有低表面能的微纳米结构。在本研究中,采用两步电沉积法在铜表面沉积出微/纳米结构。用乙醇和1-十八硫醇溶液自组装单分子层来降低试样的表面能。结果表明,电沉积工艺具有最佳的条件。例如,当第二步电沉积时间为2000s时,滴状冷凝的热传递量是膜状冷凝的5倍,而当第二步电沉积时间为4000s时,滴状冷凝(DWC)与膜状冷凝(FWC)热传递几乎相同。使用XRD和SEM分析检测制备的试样表面。SEM分析显示,在试样表面上存在一些微结构,通过延长第二步电沉积时间,可以降低表面孔隙率。 | Hamid Reza TALESH BAHRAMI Alireza AZIZI Hamid SAFFARI | 2019 | Journal of Central South University2019,26,5: | 3 |
| 9 | Efficient Multi-component Synthesis of Highly Substituted Imidazoles Utilizing P2O5/SiO2 as a Reusable Catalyst显示文摘在硅石胶化(P2O5/SiO2 ) 上支持的磷 pentoxide 为一个壶被用作有效、可重用的催化剂从 benzil 或安息香,醛,和铵醋酸盐的 2,4,5-trisubstituted 咪唑的假四部件的合成。它也为 1,2,4,5-tetrasubstituted 的四部件的准备被使用从 benzil 或在热没有溶剂的条件下面的安息香,醛,主要的胺,和铵醋酸盐的咪唑。这个新过程的显著特征是高变换,更干净的反应,简单试验性并且病情的检查过程并且也,催化剂能容易与反应混合被分开并且没有它的活动的任何损失,若干次再使用。 | Shaterian, Hamid Reza Ranjbar, Mohammad Azizi, Kobra | 2011 | Chinese Journal of Chemistry2011,29,8: | 2 |
| 10 | Synthesis of benzoxanthene derivatives using Br?nsted acidic ionic liquids (BAILs), 2-pyrrolidonium hydrogen sulfate and (4-sulfobutyl)tris(4-sulfophenyl)phosphonium hydrogen sulfate显示文摘 | Hamid Reza Shaterian Mohammad Ranjbar Kobra Azizi | 2011 | Journal of Molecular Liquids2011,,2: | 1 |
| 11 | On the homogenization of metal matrix composites using strain gradient plasticity显示文摘The homogenized response of metal matrix composites(MMC) is studied using strain gradient plasticity.The material model employed is a rate independent formulation of energetic strain gradient plasticity at the micro scale and conventional rate independent plasticity at the macro scale. Free energy inside the micro structure is included due to the elastic strains and plastic strain gradients. A unit cell containing a circular elastic fiber is analyzed under macroscopic simple shear in addition to transverse and longitudinal loading. The analyses are carried out under generalized plane strain condition. Micro-macro homogenization is performed observing the Hill–Mandel energy condition,and overall loading is considered such that the homogenized higher order terms vanish. The results highlight the intrinsic size-effects as well as the effect of fiber volume fraction on the overall response curves, plastic strain distributions and homogenized yield surfaces under different loading conditions. It is concluded that composites with smaller reinforcement size have larger initial yield surfaces and furthermore,they exhibit more kinematic hardening. | Reza Azizi Christian F.Niordson Brian Nyvang Legarth | 2014 | Acta Mechanica Sinica2014,30,2: | 1 |
| 12 | Straightforward and highly effieient catalyst-free one- pot synthesis of dithioearbamates under solvent-free condi- tions 显示文摘 | Najmodin Azizi Fezzeh Aryanasab Mohammad Reza Sai- di | 2006 | Org Lett2006,8,23: | 1 |
| 13 | Hypoxia/ischemia a key player in early post stroke seizures: Modulation by opioidergic and nitrergic systems显示文摘 | Maziar Gooshe Amir Hossein Abdolghaffari Ali Reza Aleyasin Leila Chabouk Sina Tofigh Gholam Reza Hassanzadeh Borna Payandemehr Alireza Partoazar Yaser Azizi Ahmad Reza Dehpour | 2015 | European Journal of Pharmacology2015,,: | 1 |
| 14 | Dynamic modeling and trajectory planning for a mobile spherical robot with a 3D of inner mechanism显示文摘 | Mahmood Reza Azizi Davood Naderi | 2013 | Mechanism and Machine Theory2013,64,: | 1 |
| 15 | Eco-friendly and Efficient Synthesis of 2,3-Dihydroquinazolin-4(1 H)-ones显示文摘为 2,3-dihydroquinazolin-4 (1H ) 的合成的一个简单、灵巧的方法通过一个壶的直接 cyclocondensation 的 isatoic 酐的三部件的 cyclocondensation,铵醋酸盐(或主要的胺) 并且醛;并且当在没有溶剂的条件下面的催化剂被描述, anthranilamide 和醛使用硅石支持了铁的氯化物(SiO2-FeCl3 ) 。 | Majid, Ghashang Kobra, Azizi Hamed, Moulavi-Pordanjani Hamid Reza, Shaterian | 2011 | Chinese Journal of Chemistry2011,29,8: | 1 |
| 16 | A case report of extralobar pulmonary sequestration in a dog显示文摘Pulmonary sequestration is a rare congenital anomaly in the veterinary literature.This malformation is characterized by a cystic mass of non-functioning primitive lung tissue that does not communicate with the tracheobronchial tree or with the pulmonary arteries.This article describes gross and histopathological characteristics of extralobar pulmonary sequestration in a dog.Crossly,a mass was observed in the left side of the thoracic cavity,closed to the caudal lobes of the lung,without communication with the tracheobronchial tree and the pulmonary arteries that was separated by pleural covering.Histopathologic examination showed emphysematous alveoli and bronchi,hypertrophy of smooth muscles and presence of the undifferentiated mesenchymal tissue.Therefore,based on microscopic findings,extralobar pulmonary sequestration was diagnosed.To the best of our knowledge,this is the first report of extralobar pulmonary sequestration in dog. | Reza Kheirandish Shahrzad Azizi Soodeh Alidadi | 2012 | Asian Pacific Journal of Tropical Biomedicine2012,2,4: | 1 |
| 17 | Hydroxycitric acid ameliorates inflammation and oxidative stress in mouse models of multiple sclerosis显示文摘Hydroxycitric acid(HCA) is derived primarily from the Garcinia plant and is widely used for its anti-inflammatory effects. Multiple sclerosis can cause an inflammatory demyelination and axonal damage. In this study, to validate the hypothesis that HCA exhibits therapeutic effects on multiple sclerosis, we established female C57BL/6 mouse models of multiple sclerosis, i.e., experimental autoimmune encephalomyelitis,using Complete Freund's Adjuvant(CFA) emulsion containing myelin oligodendrocyte glycoprotein(35–55). Treatment with HCA at 2 g/kg/d for 3 weeks obviously improved the symptoms of nerve injury of experimental autoimmune encephalomyelitis mice, decreased serum interleulin-6, tumor necrosis factor alpha, nitric oxide, and malondialdehyde levels, and increased superoxide dismutase and glutathione reductase activities. These findings suggest that HCA exhibits neuroprotective effects on multiple sclerosis-caused nerve injury through ameliorating inflammation and oxidative stress. | Mahdi Goudarzvand Sanaz Afraei Somaye Yaslianifard Saleh Ghiasy Ghazal Sadri Mustafa Kalvandi Tina Alinia Ali Mohebbi Reza Yazdani Shahin Khadem Azarian Abbas Mirshafiey Gholamreza Azizi | 2016 | Neural Regeneration Research2016,11,10: | 1 |
| 18 | Continuous devulcanization of waste tires by using a Co‐rotating twin screw extruder: Effects of screw configuration, temperature profile, and devulcanization agent concentration显示文摘 | Hamid Yazdani Ismaeil Ghasemi Mohammad Karrabi Hamed Azizi Gholam Reza Bakhshandeh | 2013 | J Vinyl Addit Technol2013,,1: | 1 |
| 19 | Effect of treatment environment on modified constraint-induced movement therapy results in children with spastic hemiplegic cerebral palsy: a randomized controlled trial显示文摘 | Hamid Reza Rostami R. Azizi Malamiri | 2012 | Disability and Rehabilitation2012,,1: | 1 |
| 20 | Selective Synthesis of 2-Aryl-l-benzylated-1 H-benzimidazoles显示文摘 | Shaterian, Hamid Reza Fahimi, Nafiseh Azizi, Kobra | 2011 | Chinese Journal of Chemistry2011,29,11: | 1 |