Abstract: Mesoporous-alumina with high specific surface area was successfully synthesized based on precipitation method. The structural and chemical properties were studied by N2 adsorption–desorption, X-ray diffraction (XRD) and scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS). The mesoporous Al2O3 support had large surface area and high thermal stability. The effect of […]

70Synthesis and Characterization of Mesoporous Alumina with High Surface ...



Abstract: First Schiff base iminopyridine ligand has been prepared by the condensation between primary amine and active carbonyl group, then related complex synthesized in normal hexane solution. The ligand and metal complex have been characterized by elemental analysis, UV, IR, 1H NMR and 13CNMR spectroscopy. The spectroscopic data of metal […]

66Synthesis and Characterization of Novel Organotin Complex with ...



Abstract: The capacity- resistance model is considered as a quick method to simulate the reservoirs. This method does not require the geological model and is made only by injection and production data. In the method, the reservoir is received the injection rate as the input driver. The response to the […]

53Quick Prediction of The Reservoir Production Future Using The ...



Abstract: Cellulose nanofibers showed varied application in filters, medical and composites reinforcement attributed toabundant resources, large specific surface area, biocompatibility and biodegradation. In this study the feasibilityof using wheat bran as a vast product of wheat cultivation to produce cellulose nanofibers was investigated. Extracting cellulose from wheat bran was carried […]

46Alpha-Cellulose Extraction from Wheat Bran for Preparing Cellulose Nanofibers



Abstract: In this article, synthesis of 1-(4-nitrophenyl)-1H-tetrazole from the reaction of 4- (dihydroxyamino) benzonitrile with Sodium azide in different conditions of temperature, with density functional theory method were studied. For this purpose, at first the material contained in the both sides of reaction were geometrically optimized, then the calculation of […]

39Study of Synthesis of 1-(4-nitrophenyl)-1H-tetrazole from The Reaction of ...



Abstract: In this article, synthesis of the á,2,4,6-tetranitrotoluene from the reaction of 2,4,6-trinitrotoluene (TNT) with Fluorotrinitromethane in different conditions of temperature, with density functional theory method were studied. For this purpose, at first the material contained in the both sides of reaction were geometrically optimized, and then the calculation of […]

33The Synthesis of α,2,4,6-tetranitrotoluene from The Reaction of ...



Abstract: Nanocomposite plates are one of the best options for reducing free and forced vibrations. The present study has investigated the forced vibrations of viscoelastic nanocomposite plates based on equations of free motion in a field with external force. This analysis was performed on primary resonance and in the state […]

25Analysis of Forced Vibration of Viscoelastic Nanocomposite Plate Reinforced ...



Abstract: The production of lipophilic bioactive compounds’ nanoparticles, that recently have been received great attentions in researches, led to easy use of these systems in water based food and pharmaceutical formulations and considerable increase in their either chemical stabilities  or bioavailability. In preparation of these nanoparticles, which also known as […]

19Use of Polysaccharide As Stabilizer in Preparation of Organic ...



Abstract: According to research conducted in our research group on the pyridinedicarboxylatefamily due to their various applications, we decided to oxygenate nitrogen of pyridine ring of pyridine-2,5-dicarboxylic acid as N-oxide to investigate synthesis, coordination modes, and structure types of these compounds in view of crystal engineering concepts. In this work, […]

13Synthesis and Characterization of Two New Cademium Complexes ...



Abstract: Nowadays, the physical mixture of two or more polymers to obtain new polymeric compounds with improved performance has become the focus of attention. The polyethylene/polyamide6 blend is widely used in the automotive and packaging industries. The main reason for blending of Polyolefin and Polyamide enhanced the unique properties of […]

5The Effect of Different Methods of Compatibility to Improve ...



Abstract: A fracture is a naturally occurring macroscopic discontinuity in rock due to deformation. The structure of fracture has a large effect on many petrophysical properties. FMI is an image log that provides high resolution images of the wellbore that are based on the electrical resistivity of different layers of […]

308Subsurface Fracture Evaluation Using Image Log and Its Comparison ...





Abstract: According to rising attention of policy makers to economy growth without considering its harmful effects and environmental impact, the nature is being destroyed, and many species are subject to extinct. Beside this carelessness, the lack of awareness of the actual value of the environment would be another factor for […]

69Estimating The Recreational Value of Lighvan Chay River Uses ...



Abstract: The population growth expands different types of urban, residential and industrial functions that are worrying for agricultural lands. So, understanding the capacity of land and land allocation to consistent applications with its features is essential. In order to determine the suitability of land for agricultural activities has conducted. So […]

58Determining Optimal Location of Agriculture Based on Multi Criteria ...



Abstract: In this study the optimum process conditions for absorption of sulfur dioxide in a mixture of flue gases were determined. Using a selective amine-based absorber, a high amount of SO2 was absorbed in the scrubbing process. Some process conditions such as the temperature, concentration of the SO2, and absorber […]

48Using RSM Method to Determine Optimum Process Conditions for ...



Abstract: Waste polymer recycling has received a great attention due to increasing amounts of these materials which generate enormous environmental problems. This study investigates catalytic cracking of composite polymers (PE, PP, PS, PVC and PET) as an effective method to recycle these polymers and focuses on kinetic parameters of the […]

33Kinetic Study of Catalytic Degradation of Mixed Waste Plastics ...



Abstract: The aim of this study is to investigate and analize the effects of electric field on combustion pollutants such as CO2, NO???? and other contaminants including Soot. The main method used for evaluation of effective parameters and variables such as temperature, voltage, intensity of rotation of air-fuel mixture and […]

12Numerical Analysis of The Induced Electric Field Effects on ...



Abstract: As synthesis gas production for use in the chemical industry has a significant importance, in this study, a set of production methods of this essential article in the industry is examined. The three main methods used for the production of synthesis gas and wrap. As well as the thermodynamic […]

279Catalyst and Natural Gas Partial Oxidation



Abstract: In recent decades, next to conventional technologies, such as physical adsorption, chemical or physical absorption and cryogenic fractioning, membrane processes have become an industrial alternative for gas separation. Over the last decade, there have been growing interests in the advancement and applications of membrane-based gas separation technology to tackle […]

266Utilization of Prosopis Cineraria Leaf Ash in Removing Cadmium ...



Abstract: In recent decades, next to conventional technologies, such as physical adsorption, chemical or physical absorption and cryogenic fractioning, membrane processes have become an industrial alternative for gas separation. Over the last decade, there have been growing interests in the advancement and applications of membrane-based gas separation technology to tackle […]

4Cadmium Removal from Aqueous Solution by Prosopis Cineraria Leaf ...



Abstract: In recent decades, next to conventional technologies, such as physical adsorption, chemical or physical absorption and cryogenic fractioning, membrane processes have become an industrial alternative for gas separation. Over the last decade, there have been growing interests in the advancement and applications of membrane-based gas separation technology to tackle […]

254The Worthwhile Application of Membrane Technology for Gas ...



Abstract: Considerable volume of the reservoir oil are left-behind at the end of primary depletion and later oil recovery methods. Employing the proper EOR methods can maximize oil recovery from the target reservoir. Each recovery process is associated with the various fundamental theories and mechanisms. Enhanced oil recovery methods are […]

242Assisted Gravity Drainage EOR , Numerical Method and Models ...



Abstract: Reservoir management to enhance oil recovery, is always one of the concerns for the countries that have oil resources and each year vast sum of money is spent for research to enhance oil recovery. Owners of oil reserves try to get higher productivity from their own resources using new […]

230Simulation of Different Mechanisms During Co2 Injection in Haftkel ...



Abstract: Although our country has abundant reserves of coal, it has not used as fuel in power stations, and only a few in steel industry.  Use of coal will be an opportunity to use other fuels such as natural gas for export and high added value of the energy resources. […]

218Use of Coal for Electricity Generation in Iran (with ...



Abstract: This article presents a numerical investigation of fluid flow in one of the centrifugal pumps of pump-Iran corporation. A computational fluid dynamics (CFD) analysis is performed by using the CFX software for a wide range of volumetric flow rates for two different rotor speeds of 1450 rpm and 2900 […]

206Numerical Simulation of Crude Oil Fluid Flow in A ...