Arama Sonuçları - ((3.2 solution) OR (acid solutions)).

Helical Wormlike Chains in Polymer Solutions Yazar: Yamakawa, Hiromi, Yoshizaki, Takenao

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Chemical Equilibria in Analytical Chemistry The Theory of Acid-Base, Complex, Precipitation and Redox Equilibria / Yazar: Scholz, Fritz, Kahlert, Heike

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Corrosion Problems and Solutions in Oil Refining and Petrochemical Industry Yazar: Groysman, Alec

İçindekiler: “…Corrosion Problems in Oil Refining and Petrochemical Industry -- Crude oil -- Petroleum distillates -- Naphthenic Acids. Myths and Truth -- Stress Corrosion Cracking -- Hydrogen Damages -- Sulphur Corrosion -- Petrochemical Media -- Cooling Water Systems -- Boiler Feed  Water -- Microbiologically Induced Corrosion -- Erosion-Corrosion -- Corrosion Fatigue.-  Solutions and Corrosion Control at Oil Refinery Units -- Materials Compatible With Corrosive Media -- Technological Actions -- Corrosion Inhibitors and Neutralizers -- Coatings -- Cathodic Protection -- Corrosion Failure Cases and Their Prevention at Oil Refinery Units -- Corrosion Monitoring at Oil Refinery Units -- Anti-Corrosion Management at Oil Refinery Units -- Conclusion: Insight into Future.…”
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Characterization of polymer blends : miscibility, morphology and interfaces /

İçindekiler: “…2.3.1.10 PLA/Poly(styrene) (PS) Blends2.3.1.11 PLA Blended with Other Polymers; 2.3.1.12 PLA Blended with Other Copolymers; 2.3.2 Blends Containing Poly(e-caprolactone) (PCL); 2.3.3 Blends Containing Poly(hydroxy butyrate) (PHB); 2.3.4 Blends Containing Poly(p-dioxanone) (PPDO); 2.3.5 Blends Containing Poly(glycolic acid) (PGA) or Polyglycolide; 2.4 Revision of Blends Based on Natural Polymers; 2.4.1 Blends Containing Starch; 2.4.2 Blends Containing Cellulose; 2.4.3 Blends Containing Chitosan; 2.4.4 Blends Containing Collagen; Appendix 2.B List of Abbreviations and Nomenclature.…”
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Porous glass and nanostructured materials /

İçindekiler: “…Electrical Conductivity of Porous Glasse Saturated with Sulfuric Acid Solutions; 4.2.2. Electrical Conductivity of Orthophosphoric Acid in Porous Glass; 4.2.3. …”
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Fuel cell systems explained / Yazar: Dicks, Andrew, Rand, D. A. J. (David Anthony James), 1942-

İçindekiler: “…5.2 System Designs -- 5.2.1 Circulating Electrolyte Solution -- 5.2.2 Static Electrolyte Solution -- 5.2.3 Dissolved Fuel -- 5.2.4 Anion-Exchange Membrane Fuel Cells -- 5.3 Electrodes -- 5.3.1 Sintered Nickel Powder -- 5.3.2 Raney Metals -- 5.3.3 Rolled Carbon -- 5.3.4 Catalysts -- 5.4 Stack Designs -- 5.4.1 Monopolar and Bipolar -- 5.4.2 Other Stack Designs -- 5.5 Operating Pressure and Temperature -- 5.6 Opportunities and Challenges -- Further Reading -- Chapter 6 Direct Liquid Fuel Cells -- 6.1 Direct Methanol Fuel Cells -- 6.1.1 Principles of Operation -- 6.1.2 Electrode Reactions with a Proton-Exchange Membrane Electrolyte -- 6.1.3 Electrode Reactions with an Alkaline Electrolyte -- 6.1.4 Anode Catalysts -- 6.1.5 Cathode Catalysts -- 6.1.6 System Designs -- 6.1.7 Fuel Crossover -- 6.1.8 Mitigating Fuel Crossover: Standard Techniques -- 6.1.9 Mitigating Fuel Crossover: Prospective Techniques -- 6.1.10 Methanol Production -- 6.1.11 Methanol Safety and Storage -- 6.2 Direct Ethanol Fuel Cells -- 6.2.1 Principles of Operation -- 6.2.2 Ethanol Oxidation, Catalyst and Reaction Mechanism -- 6.2.3 Low-Temperature Operation: Performance and Challenges -- 6.2.4 High-Temperature Direct Ethanol Fuel Cells -- 6.3 Direct Propanol Fuel Cells -- 6.4 Direct Ethylene Glycol Fuel Cells -- 6.4.1 Principles of Operation -- 6.4.2 Ethylene Glycol: Anodic Oxidation -- 6.4.3 Cell Performance -- 6.5 Formic Acid Fuel Cells -- 6.5.1 Formic Acid: Anodic Oxidation -- 6.5.2 Cell Performance -- 6.6 Borohydride Fuel Cells -- 6.6.1 Anode Catalysts -- 6.6.2 Challenges -- 6.7 Application of Direct Liquid Fuel Cells -- Further Reading -- Chapter 7 Phosphoric Acid Fuel Cells -- 7.1 High-Temperature Fuel-Cell Systems -- 7.2 System Design -- 7.2.1 Fuel Processing -- 7.2.2 Fuel Utilization -- 7.2.3 Heat-Exchangers -- 7.2.3.1 Designs -- 7.2.3.2 Exergy Analysis -- 7.2.3.3 Pinch Analysis.…”
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Unified Lagrangian Formulation for Fluid and Solid Mechanics, Fluid-Structure Interaction and Coupled Thermal Problems Using the PFEM Yazar: Franci, Alessandro

İçindekiler: “…1 Introduction -- 1.1 Objectives -- 1.2 State of the art -- 1.2.1 Eulerian and Lagrangian approaches for free surface flow analysis -- 1.2.2 Stabilization techniques -- 1.2.3 Algorithms for FSI problems -- 1.3 Numerical model -- 1.3.1 Reasons -- 1.3.2 Essential features -- 1.3.3 Outline -- 1.4 Publications -- 2 Velocity-based formulations for compressible materials -- 2.1 Velocity formulation -- 2.1.1 From the local form to the spatial semi-discretization -- 2.1.2 Time integration -- 2.1.3 Linearization -- 2.1.4 Incremental solution scheme -- 2.2 Mixed velocity-pressure formulation -- 2.2.1 Quasi-incompressible form of the continuity equation -- 2.2.2 Solution method -- 2.3 Hypoelasticity -- 2.3.1 Velocity formulation for hypoelastic solids -- 2.3.2 Mixed Velocity-Pressure formulation for hypoelastic solids -- 2.3.3 Theory of plasticity -- 2.3.3.1 Hypoelastic-plastic materials -- 2.3.4 Validation examples -- 2.4 Summary and conclusions -- 3 Unified stabilized formulation for quasi-incompressible materials -- 3.1Stabilized FIC form of the mass balance equation -- 3.1.1 Governing equations -- 3.1.2 FIC mass balance equation in space and in time -- 3.1.3 FIC stabilized local form of the mass balance equation -- 3.1.4 Variational form -- 3.1.5 FEM discretization and matrix form -- 3.2 Solution scheme for quasi-incompressible Newtonian fluids -- 3.2.1 Governing equations -- 3.2.2 Solution scheme -- 3.3 Solution scheme for quasi-incompressible hypoelastic solids -- 3.4 Free surface flow analysis -- 3.4.1 The Partiele Finite Element Method -- 3.4.1.1 Remeshing -- 3.4.1.2 Basic steps -- 3.4.1.3 Advantages and disadvantages -- 3.4.2 Mass conservation analysis -- 3.4.2.1 Numerical examples -- 3.4.3 Analysis of the conditioning of the solution scheme -- 3.4.3.1 Drawbacks associated to the real bulk modulus -- 3.4.3.2 Optimum value for the pseudo bulk modulus -- 3.4.3.3 Numerical examples -- 3.5 Validation examples -- 3.5.1 Validation of the Unified formulation for Newtonian fluids -- 3.5.2 Validation of the Unified formulation for quasi-incompressible hypoelastic solids -- 3.6 Summary and conclusions -- 4 Unified formulation for F SI problems -- 4.1 Introduction -- 4.2 FSI algorithm -- 4.3 Coupling with the Velocity formulation for the solid -- 4.4 Coupling with the mixed Velocity-Pressure formulation for the solid -- 4.5 Numerical examples -- 4.6 Summary and conclusions -- 5 Coupled thermal-mechanical formulation -- 5.1 Introduction -- 5.2 Heat problem -- 5.2.1 FEM discretization and solution for a time step -- 5.3 Thermal coupling -- 5.3.1 Numerical examples -- 5.4 Phase change -- 5.4.1 Numerical example: melting of an ice block -- 5.5 Summary and conclusions -- 6 Industrial application: PFEM Analysis Model of NPP Severe Accident -- 6.1 Introduction -- 6.1.1 Assumptions allowed by the specification -- 6.2 Numerical method -- 6.3 Basic Model -- 6.3.1 Problem data -- 6.3.2 Preliminary study -- 6.3.3 Numerical results -- 6.4 Detailed model -- 6.4.1 Problem data -- 6.4.2 Preliminary study -- 6.4.3 Numerical results -- 6.5 Summary and conclusions -- 7 Conclusions and future lines of research -- 7.1 Contributions -- 7.2 Lines for future work.…”
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Advances in functional and protective textiles /

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Fully Implicit, Coupled Procedures in Computational Fluid Dynamics An Engineer's Resource Book / Yazar: Mazhar, Zeka

İçindekiler: “…Preface -- Chapter 1 Introduction -- 1.1 Scope of the Book -- 1.2 Outline of the Book -- Chapter 2 Preliminaries -- 2.1 Quadratic Interpolation -- 2.2 Approximations using Lagrangian Polynomial -- 2.3 Approximations using Taylor Series -- 2.4 General Elimination Technique for Linear Systems -- 2.5 Solution Techniques for Special Linear Systems -- Chapter 3 Governing Differential Equations -- 3.1 Governing Equations -- 3.2 Characteristics of the Governing Equations -- 3.3 The Velocity-Pressure Coupling Problem -- Chapter 4 Finite Difference Formulations -- 4.1 Manipulation of the Momentum Equations -- 4.2 Grid Arrangement for the Solution -- 4.3 Profile Assumptions for the Discretizations -- 4.4 Discretization of the Governing Equations -- 4.5 A Discussion on the Profile Assumptions -- Chapter 5 Preparations For Solution -- 5.1 The Solution Region -- 5.2 Boundary Conditions -- 5.3 Incorporating Relaxation -- Chapter 6 Assembling The Discretized Equations Into A Block Matrix System -- 6.1 The Numbering Scheme -- 6.2 Construction of the Block Matrix System -- 6.3. …”
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Rare Metal Technology 2017

İçindekiler: “…Part 1: Rare Earth Elements I -- The Economics of the Search Minerals Direct Extraction Process for Rare Earth Recovery -- Recovery of Critical Rare Earth Elements for Green Energy Technologies -- Selective Reduction and Separation of Europium from Mixed Rare-Earth Oxides from Waste Fluorescent Lamp Phosphors -- Application of Rare Earths for Higher Efficiencies in Energy Conversion -- Microwave Treatment for Extraction of Rare Earth Elements from Phosphogypsum -- Selective Separation of Rare Earth Elements Utilizing Vapor Phase Extraction -- Observation of Oxidation of Nd-Magnet In High Temperature Recycling/Recovery Process -- Part 2: Rare Earth Elements II and Platinum Group Metals -- Electrochemical Behavior of Neodymium in Molten Chloride Salts -- Novel Reactive Anode for Electrochemical Extraction of Rare Earth Metals from Rare Earth Oxides -- Electrochemical Formation of Nd Alloys Using Liquid Metal Electrodes in Molten LiCl-KCl Systems -- Challenges in the Electrolytic Refining of Silver -Influencing the Co-Deposition through Parameter Control -- Vapor Treatment for Alloying and Magnetizing Platinum Group Metals -- Biotechnological Recovery of Platinum Group Metals from Leachates of Spent Automotive Catalysts -- Recovering Palladium from Chloridizing Leaching Solution of Spent Pd/Al2O3Catalyst by Sulfide Precipitation -- Mechanism of Intensifying Cyanide Leaching of Gold from a Calcine by the Pretreatment of Acid or Alkali Washing -- Part 3: Base and Rare Metals -- Disclosure of the Kinetic Relations of Semidirect Cemented Carbide Leaching in Acid Media -- A New Two-Stage Process for Preparation of Ti/Ti-Al Alloys -- Study on Pre-Reduction Mechanisms of Chromium Ore Pellets in SRC Process -- Recovery of Valuable Metals from High-Content Arsenic Containing Copper Smelting Dust -- Sulfuric Acid Leaching of Mechanically Activated Vanadium-Bearing Converter Slag -- Present Status and Development of Comprehensive Utilization of Vanadium-Titanium Magnetite -- Review of TiO2-Rich Materials Preparation for the Chlorination Process -- Part 4: Poster Session -- Adsorbents for Selective Recovery of Heavy Rare Earth Elements -- Behavior of Sec-Octylphenoxy Acetic Acid (CA-12) in Yttrium Recovery from High Concentrated Heavy Rare Earths Mixture -- Preparation of Molybdenum Powder from Molybdenite Concentrate Through Vacuum Decomposition-Acid Leaching Combination Process -- Pressure Leaching Behavior of Molybdenum-Nickel Sulfide from Black Shale -- Selective Recovery of Scandium from Sulfating Roasting Red Mud by Water Leaching -- Study for Preparation of Industrial Ammonium Molybdate from Low Grade Molybdenum Concentrate -- Study of a Synergistic Solvent Extracting System to Separate Yttrium and Heavy Rare Earths: A Deep Investigations on System Behavior -- The Recovery of Bismuth from Bismuthinite Concentrate Through Membrane Electrolysis.…”
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Introduction to Nonlinear Thermomechanics of Solids Yazar: Kleiber, Michał, Kowalczyk, Piotr

İçindekiler: “…Basis of vector space -- 3.2. Tensors -- 3.2.1. Definitions -- 3.2.2. Operations on tensors -- 3.2.3. …”
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Physical Chemistry from a Different Angle Introducing Chemical Equilibrium, Kinetics and Electrochemistry by Numerous Experiments / Yazar: Job, Georg, Rüffler, Regina

İçindekiler: “…Introduction and First Basic Concepts -- Energy -- Entropy and Temperature -- Chemical Potential -- Influence of Temperature and Pressure on Chemical Transformations -- Concentration Dependence of Chemical Potential -- Consequences of Mass Action: Acid-Base Reactions -- Side Effects of Transformations of Substances -- Coupling -- Molecular-Kinetic View of Dilute Gases -- Substances with Higher Density -- Spreading of Substances -- Homogeneous and Heterogeneous Mixtures -- Binary Systems -- Interfacial Phenomena -- Basic Principles of Kinetics -- Composite Reactions -- Theory of Rate of Reaction -- Catalysis -- Transport Phenomena -- Electrolyte Solutions -- Electrode Reactions and Galvani Potential Differences -- Redox Potentials and Galvanic Cells -- Thermodynamic Functions -- Appendix.…”
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Rare Metal Technology 2019

İçindekiler: “…Poster Session -- Effects of Preoxidation on the Kinetics of Iron Leaching from Ilmenite in Hydrochloric Acid Solution -- Extraction of vanadium from vanadium-containing APV-precipitated wastewater by W/O microemulsion system -- Experimental Modeling of Nodulation in Copper Electrorefining -- Microfluidic Solvent Extraction of Zinc from Low Concentration Sulfate Solution Using D2EHPA.…”
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Food Analysis Laboratory Manual Yazar: Nielsen, S. Suzanne

İçindekiler: “…Laboratory Standard Operating Procedures -- Preparation of Reagents and Buffers -- Dilution and Concentration Calculations -- Use of Statistics in Food Analysis -- Nutritional Labeling Using a Computer Program -- Accuracy and Precision Assessment -- High Performance Liquid Chromatography -- Gas Chromatography -- Mass Spectometry with High Performance Liquid Chromatography -- Moisture Content Determination -- Ash Content Determination -- Fat Content Determination -- Protein Nitrogen Determination -- Total Carbohydrate by Phenol-Sulfuric Acid Method -- Vitamin C Determination by Indophenol Method -- Water Hardness Testing by Complexometric Determination of Calcium -- Phosphorus Determination by Murphy-Riley Method -- Iron Determination by Ferrozine Method -- Sodium Determination Using Ion Selective Electrodes, Mohr Titration, and Test Strips -- Sodium and Potassium Determinations by Atomic Absorption Spectroscopy and Inductively Coupled Plasma-Optical Emission Spectroscopy -- Standard Solutions and Titratable Acidity -- Fat Characterization -- Proteins: Extraction, Quantitation, and Electrophoresis -- Glucose Determination by Enzyme Analysis -- Gliadin Detection by Immunoassay -- Viscosity Measurements of Fluid Food Products -- CIE Color Specifications Calculated from Reflectance or Transmittance Spectra -- Extraneous Matter Examination -- Answers to Practice Problems.…”
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Corrosion Science and Engineering Yazar: Pedeferri, Pietro

İçindekiler: “…General principles of corrosion -- Electrochemical mechanism -- Thermodynamics of aqueous corrosion -- Pourbaix diagrams -- Kinetics of aqueous corrosion -- Evans Diagrams -- Corrosion factors -- Uniform Corrosion in Acidic and Aerated Solutions -- Macrocell corrosion mechanism -- Galvanic corrosion -- Pitting corrosion -- Crevice Corrosion -- Stress Corrosion Cracking and Corrosion-Fatigue -- Hydrogen-Induced Damage -- Intergranular and Selective Corrosion -- Erosion-Corrosion and Fretting -- Corrosion prevention by coatings -- Environmental Control -- Cathodic and anodic protection -- Corrosion in waters -- Corrosion in soil -- Atmospheric corrosion -- Corrosion in concrete -- Corrosion in petrochemical plant -- Corrosion in the human body -- High temperature corrosion -- Prevention of corrosion in design -- Monitoring and inspections -- Testing -- Statisticalanalysis of corrosion data.…”
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Rare Metal Technology 2018

İçindekiler: “…Poster Session -- Effects of Preoxidation on the Kinetics of Iron Leaching from Ilmenite in Hydrochloric Acid Solution -- Extraction of vanadium from vanadium-containing APV-precipitated wastewater by W/O microemulsion system -- Experimental Modeling of Nodulation in Copper Electrorefining -- Microfluidic Solvent Extraction of Zinc from Low Concentration Sulfate Solution Using D2EHPA.…”
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Proceedings of the Symposium of Aeronautical and Aerospace Processes, Materials and Industrial Applications Presented at the XXV International Materials Research Congress - Cancun...

İçindekiler: “…Corrosion behavior of a austempered ductil iron used in the aeronautical industry, evaluated on acid solutions -- chapter 8. . Design of wind tunnel for testing stress corrosion cracking -- chapter 9. …”
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Recent Advances in Chemical Engineering Select Proceedings of ICACE 2015 /

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Polymer composites

İçindekiler: “…1.3.4 Thermodynamic Methods1.4 New Challenges and Opportunities; References; 2 Shock and Impact Response of Glass Fiber-Reinforced Polymer Composites; 2.1 Introduction; 2.2 Analytical Analysis; 2.2.1 Wave Propagation in Elastic-Viscoelastic Bilaminates; 2.2.2 Solution at Wave Front: Elastic Precursor Decay; 2.2.3 Late-Time Asymptotic Solution; 2.3 Plate-Impact Experiments on GRPs; 2.3.1 Material: Glass Fiber-Reinforced Polymer; 2.3.2 Plate-Impact Shock Compression Experiments: Experimental Configuration.…”
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New Approaches to Building Pathology and Durability

İçindekiler: “…Mechanical pathologies of reinforced concrete corbels and repair by bonding composite carbon fabrics -- Assessment and rehabilitation of industrial building for the production of ammonium nitrate low density -- Effect of temperature on water capillary rise coefficient of building materials -- Evaluation of the service life of external painted surfaces applying statistical tools -- Corrosion propagation phase studies on Finnish reinforced concrete façades -- Biocementation as rehabilitation technique -- Natural ageing tests to study in-service different façade solutions - ETICS and premixed one-coat rendered walls -- Prevention of algal growth on clay façades by photocatalytic TiO2 nano-coating -- Rehabilitation of concrete industrial building façades attacked by acids -- Pathologies - Incompatibility of materials and human intervention in a historic building of Elvas.…”
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