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| 1 | ANALYTICAL ANALYSIS OF MEMS CAPACITIVE PRESSURE SENSOR WITH CIRCULAR DIAPHRAGM UNDER DYNAMIC LOAD USING DIFFERENTIAL TRANSFORMATION METHOD(DTM)显示文摘In this paper, first a circular diaphragm is modeled using the classical plate theory.An analytical solution based on differential transformation method(DTM) and Runge-Kutta method is employed for solving the governing differential equation for the first time. Then the influences of various parameters on central deflection of the diaphragm, stress distribution and capacitance of pressure sensor with a time-dependent pressure are examined. Several case studies are compared with simulations to confirm the proposed method. The analytical results compared with ABAQUS simulation show excellent agreement with the simulation results. This method is very promising for time saving in calculating micro-device characteristics. | Marzieh Molla-Alipour Bahram Azizollah Ganji | 2015 | Acta Mechanica Solida Sinica2015，28，4： | 6 |
| 2 | Biostratigraphy and Sequence Stratigraphy of the Gurpi Formation at Deh Dasht Area, Zagros Basin, SW Iran显示文摘A rich assemblage of planktonic foraminifera has been studied from an outcrop of the Gurpi Formation, the hydrocarbon source rock in the southwest Iran, Deh Dasht area(Kuh-e Siah anticline). Based on the distribution of the planktonic foraminifera, eight biozones have been recognized that included:Dicarinella concavata Interval Zone(Earliest Santonian), Dicarinella asymetrica Total Range Zone(Santonian to Earliest Campanian), Globotruncanita elevata Partial Range Zone(Early Campanian), Globotruncana ventricosa Interval Zone(Middle to Late Campanian), Radotruncana calcarata Total Range Zone(Late Campanian), Globotruncanella havanensis Partial Range Zone(Late Campanian), Globotruncana aegyptiaca Interval Zone(Late to latest Campanian), Gansserina gansseri Interval Zone(Latest Campanian to Early Maastrichtian). These biozones indicates that the Gurpi Formation deposited during the Early Santonian- Early Maastrichtian. These biozones are compared to the most standard biozones defined in Tethysian domain. Based on distribution of morphotype groups of planktonic foraminifera, planktonic to benthic ratio(P/B) and content of carbonate, nine third-order sequences are recognized. | Mahboobeh FEREYDOONPOUR Hossein VAZIRI-MOGHADDAM Azizollah TAHERI | 2014 | Acta Geologica Sinica(English Edition)2014，88，6： | 2 |
| 3 | Clinico-pathological studies on avian enceph-alomyelitis in shiraz,iran显示文摘 | Keramat A Amjad F Azizollah K T | 2008 | Turkish J Vet2008，32，3： | 1 |
| 4 | Hydroxyapatite nanorods as novel fillers for improving the properties of dental adhesives: Synthesis and application 显示文摘 | Sadat-Shojai Mehdi Mohammad Atai Azizollah Nodehi Leila Nasiri Khanlar | 2010 | Dental Materials2010，26，5： | 1 |
| 5 | Laboratory investigation of a new scale inhibitor for preventing calcium carbonate precipitation in oil reservoirs and production equipment显示文摘The formation of mineral scale is a complex problem during the oilfield operations.Scale inhibitors are widely used to prevent salt precipitation within reservoirs.in downhole equipment,and in production facilities.The scale inhibitors not only must have high effectiveness to prevent scale formation,but also have good adsorptiondesorption characteristics,which determine the operation duration of the scale inhibitors.This work is focused on the development of a new scale inhibitor for preventing calcium carbonate formation in three different synthetic formation waters.Scale inhibition efficiency,optical density of the solution,induction time of calcium carbonate formation,corrosion activity,and adsorption-desorption ability were investigated for the developed scale inhibitor.The optimum concentration of hydrochloric acid in the inhibitor was determined by surface tension measurement on the boundary layer between oil and the aqueous scale inhibitor solution.The results show that the optimum mass percentage of 5%hydrochloric acid solution in the inhibitor was in the range of 8%to 10%.The new scale inhibitor had high efficiency at a concentration of 30 mg/L.The results indicate that the induction period for calcium carbonate nucleation in the presence of the new inhibitor was about 3.5 times longer than the value in the absence of the inhibitors.During the desorption process at reservoir conditions,the number of pore volumes injected into the carbonate core for the developed inhibitor was significantly greater than the volume of a tested industrial inhibitor,showing better adsorption/desorption capacity. | Azizollah Khormali Dmitry G.Petrakov | 2016 | Petroleum Science2016，13，2： | 1 |
| 6 | A new coded cooperation scheme for wireless communications and its perfornlance analysis 显示文摘 | Azizollah J Masoumeh N | 2008 | International Journal of Wireless Information Networks2008，15，： | 1 |
| 7 | Determining relative efficiency of slightly non-homogeneous decision making units by data envelopment analysis:a case study in IROST显示文摘 | Reza Farzipoor Saen Azizollah Memariani Farhad Hosseinzadeh Lotfi | 2005 | Applied Mathematics and Computation2005，165，： | 1 |
| 8 | Antiviral activity of some plant oils against herpes simplex virus type 1 in Vero cell culture显示文摘 | Shahin Gavanji Sayedeh Sana Sayedipour Behrouz Larki Azizollah Bakhtari | 2015 | Journal of Acute Medicine2015，，： | 1 |
| 9 | Computer - assisted sensor design and analysis of 2 - aminobenzimidazde in biological model samples based on electropolymerized - molecularly imprinted polypyrrole modified pencil graphite electrode 显示文摘 | AZIZOLLAH N SAHAR P RAHAM S | 2013 | Sens Actuators B2013，185，： | 1 |
| 10 | Clinico- pathological studies on avian enceph-alomyelitis in Shiraz, Iran显示文摘 | Asasi K Farzinpour A Azizollah Khodakaram T A F T | 2008 | Turkish J Vet2008，32，3： | 1 |
| 11 | Computer - aided sensor design and analysis of thiocarbohydrazide in biological matrices using electropoly- merized - molecularly imprinted polyprrole modified pencil graphite electrode显示文摘 | AZIZOLLAH N RAHAM S | 2013 | Sens Actuators B2013，177，： | 1 |
| 12 | Geochemical Investigation of the Cretaceous Crude Oil Reservoirs and Source Rock Samples in One of the Abadan Plain Oilfields, SW Iran显示文摘Crude oil and source rock samples from one of the main oilfields of the Abadan Plain, Zagros, Iran were analyzed geochemically. Rock-Eval pyrolysis was conducted on Kazhdumi(Upper Cretaceous) and Gadvan(Lower Cretaceous) formations, which are the probable source rocks for the oil in the region. The results indicated that the Kazhdumi Formation can be classified as a fair-to-excellent source rock, while the Gadvan Formation can be identified as having poor-to-good source rock in the basin. Based on the cross-plots of HI versus OI and S2 versus TOC, types Ⅱ and Ⅲ kerogen were identified from studied source samples in the area. Determination of the main fraction percentages of the Sarvak and Fahliyan crude oils represented that the oils from the Sarvak reservoir are paraffinic-naphthenic and aromaticintermediate, whilst that from the Fahliyan reservoir is paraffinic and paraffinic-naphthenic. Biomarker ratios of the saturated fractions of oil from both reservoirs indicate that the source rocks formed in reducing marine environments with carbonate-shale lithology. Furthermore, biomarker data helped to distinguish the degree of biodegradation in the studied oils. According to geochemical analysis, oil samples from the Fahliyan reservoir were generated at a higher thermal maturity than the Sarvak reservoir samples. | Elham ASADI MEHMANDOSTI Mahnaz AMIRHOSEYNI Seyed Ali MOALLEMI Azizollah HABIBI | 2022 | Acta Geologica Sinica(English Edition)2022，96，2： | 1 |
| 13 | A new approach to the palliation of advanced proximal gastric cancer显示文摘 | Farrokh Saidi Mohammad Keshoofy Azizollah Abbassi-Dezfuli Zargham H Ahamadi Mohammad B Shadmehr | 1999 | Journal of the American College of Surgeons1999，，3： | 1 |
| 14 | Existence of Solution for a Coupled System of Fractional Integro-Differential Equations on an Unbounded Domain显示文摘We present the existence of solution for a coupled system of fractional integro-differential equations. The differential operator is taken in the Caputo fractional sense. We combine the diagonalization method with Arzela-Ascoli theorem to show a fixed point theorem of Schauder. | Azizollah Babakhani | 2013 | Analysis in Theory and Applications2013，29，1： | 0 |
| 15 | Analysis of Formal and Analytic Solutions for Singularities of the Vector Fractional Differential Equations显示文摘In this article,we study on the existence of solution for a singularities of a system of nonlinear fractional differential equations(FDE).We construct a formal power series solution for our considering FDE and prove convergence of formal solutions under conditions.We use the Caputo fractional differential operator and the nonlinearity depends on the fractional derivative of an unknown function. | Azizollah Babakhani | 2017 | Analysis in Theory and Applications2017，33，1： | 0 |
| 16 | RAPID SYNTHESIS OF NOVEL OPTICALLY ACTIVE POLY(AMIDE-IMIDE)S DERIVED FROM N,N'-(PYROMELLITOYL)-BIS-L-ALANINE DIACID CHLORIDE AND HYDANTOIN DERIVATIVES UNDER MICROWAVE IRRADIATION显示文摘Eight novel poly(amide-imide)s were synthesized under microwave irradiation by using a domestic microwave oven from the polycondensation reactions of N,N'-(pyromellitoyl)-bis-L-alanine diacid chloride (1) with eight different derivatives of hydantoin compounds (2a-h) in the presence of a small amount of a polar organic medium such as o-cresol.The polycondensation proceeded rapidly, compared with the conventional solution polycondensation and was completed within 8-10 min, producing a series of new poly(amide-imide)s (3a-h) with inherent viscosities about 0.35-0.68 dL/g in high yields. The obtained PAIs (3a-h) were fully characterized by means of FT-IR spectroscopy, elemental analyses, inherent viscosity (ηinh), solubility and specific rotation measurements. All of the resulting polymers show optical rotation and are optically active. Thermal properties of the poly(amide-imide)s were investigated by using thermal gravimetric analysis(TGA). | Khalil Faghihi Azizollah Mirsamie | 2005 | Chinese Journal of Polymer Science2005，23，1： | 0 |
| 17 | Biostratigraphy,Microfacies,Sedimentary Environments and Sequence Stratigraphy of the Late Devonian-Carboniferous Deposits at the Anarak Section,Central Iran显示文摘The Late Devonian-early Carboniferous deposits of the Anarak section in northeastern Isfahan,Central Iran,evaluated based on conodont biostratigraphy,sedimentary environment and sequence stratigraphy.According to the field observations,five lithological units were identified.Investigating the conodont fauna of the Late Devonian-Carboniferous(Mississippian-Pennsylvanian)deposits of Bahram,Shishtu,and Qaleh(Sardar 1)formations in Anarak section led to the identification of 67 species of 18 conodont genera,and accordingly 22 conodont biozones were differentiated.The correlation of sea-level change curves,regarding to the conodont biofacies with the global sea-level curve,demonstrates the relative correlation in the mentioned times due to the shallow condition of the central Iran basin compared to the European and American basins.The microfacies analysis led to the identification of 12 microfacies related to the open sea,bioclastic barrier,lagoon and tidal flat sub-sedimentary environments in a homoclinal carbonate ramp environment.Based on sequence stratigraphy studies,three 3rd order sequences were identified.The first sequence,which is of the Late Devonian(upper part of the Bahram Formation,32.5 m),the second sequence(12.5 m)is the Late Devonian(uppermost part of the Bahram Formation),and the third sequence(68 m)is the early Carboniferous(the Shishtu I Formation). | Elaheh SATTARI Ali BAHRAMI Hossein VAZIRI-MOGHADDAM Azizollah TAHERI Iliana BONCHEVA | 2023 | Acta Geologica Sinica(English Edition)2023，97，4： | 0 |
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