Mostrando 1,681 - 1,700 Resultados de 1,807 Para Buscar '"ion"', tiempo de consulta: 0.11s Limitar resultados
  1. 1681
    Publicado 2022
    Tabla de Contenidos: “…Advertising conversion (Ion et al. 2017) -- 4.5.3. MPC for cryptographic key protection (Unbound Security -- Sepior -- Curv) -- 4.5.4. …”
    Libro electrónico
  2. 1682
    Publicado 2022
    Tabla de Contenidos: “…2.3.3.3 In Situ Irradiated XPS -- 2.4 Applications -- 2.4.1 Photocatalytic Water Splitting -- 2.4.2 Photocatalytic CO2 Reduction -- 2.4.3 Photocatalytic N2 Fixation -- 2.4.4 Photocatalytic Environmental Remediation -- 2.4.5 Photocatalytic Disinfection -- 2.5 Summary and Future Perspective -- References -- Chapter 3 Graphene‐Based Photocatalysts -- 3.1 Introduction -- 3.2 Graphene and Its Derivatives -- 3.2.1 Graphene Oxide -- 3.2.2 Reduced Graphene Oxide -- 3.2.3 Graphene Quantum Dot -- 3.3 General Preparation Techniques of Graphene in Photocatalysis -- 3.3.1 Chemical Exfoliation -- 3.3.2 Chemical Vapor Deposition -- 3.4 General Advantages of Graphene -- 3.4.1 Conductor Behavior -- 3.4.2 Photothermal Effect -- 3.4.3 Large Specific Surface Area -- 3.4.4 Enhancing Photostability -- 3.4.5 Improving Nanoparticle Dispersion -- 3.5 Characterization Methods -- 3.5.1 Transmission Electron Microscopy -- 3.5.2 Atomic Force Microscopy -- 3.5.3 Raman Spectroscopy -- 3.5.4 X‐ray Photoelectron Spectroscopy -- 3.6 Recent Development in Graphene‐Based Photocatalysts -- 3.6.1 Metal Oxide -- 3.6.2 Metal Sulfide -- 3.6.3 Non‐metal Semiconductor -- 3.6.4 Metal‐Organic Framework -- 3.7 Summary and Concluding Remarks -- Acknowledgments -- References -- Chapter 4 Metal Sulfide Semiconductor Photocatalysts -- 4.1 Introduction -- 4.2 General View of Metal Sulfide Photocatalysts -- 4.3 Synthesis of Metal Sulfide Photocatalysts -- 4.3.1 Solution‐Based Methods -- 4.3.1.1 Hydrothermal Method -- 4.3.1.2 Solvothermal Method -- 4.3.2 Chemical Bath Deposition -- 4.3.3 Template Method -- 4.3.4 Ion‐Exchange Method -- 4.3.5 Other Synthesis Methods -- 4.4 CdS‐Based Photocatalyst -- 4.4.1 Crystal Structures and Morphology -- 4.4.1.1 Zero‐Dimensional Structure -- 4.4.1.2 One‐Dimensional Structure -- 4.4.1.3 Two‐Dimensional Structure -- 4.4.1.4 Three‐Dimensional Structure…”
    Libro electrónico
  3. 1683
    Publicado 2019
    Tabla de Contenidos: “…The Resting Membrane Potential Depends on Differences in Ion Concentration and Permeability -- Focus Figure 11.1: Resting Membrane Potential -- 11.5. …”
    Libro electrónico
  4. 1684
    Publicado 2019
    Tabla de Contenidos: “…-- 1.5 Hypotheses can be tested using controlled experiments -- 1.6 Scientific Thinking Hypotheses can be tested using observational data -- 1.7 The process of science is repetitive, nonlinear, and collaborative -- 1.8 Connection Biology, technology, and society are connected in important ways -- Five Unifying Themes in Biology -- 1.9 Theme: Evolution is the core theme of biology -- 1.10 Evolution Connection Evolution is connected to our everyday lives -- 1.11 Theme: Life depends on the flow of information -- 1.12 Theme: Structure and function are related -- 1.13 Theme: Life depends on the transfer and transformation of energy and matter -- 1.14 Theme: Life depends on interactions within and between systems -- Chapter Review -- Unit I The Life of the Cell -- 2 The Chemical Basis of Life -- Elements, Atoms, and Compounds -- 2.1 Organisms are composed of elements, usually combined into compounds -- 2.2 Connection Trace elements are common additives to food and water -- 2.3 Atoms consist of protons, neutrons, and electrons -- 2.4 Connection Radioactive isotopes can help or harm us -- Chemical Bonds -- 2.5 The distribution of electrons determines an atom's chemical properties -- 2.6 Visualizing The Concept Covalent bonds join atoms into molecules through electron sharing -- 2.7 Ionic bonds are attractions between ions of opposite charge…”
    Libro electrónico
  5. 1685
    Capítulo
  6. 1686
    Capítulo
  7. 1687
    Capítulo
  8. 1688
    por Palop Arroyo, Ramón
    Publicado 2021
    Tabla de Contenidos: “…MOLÉCULA DE AGUA -- 4.3.4. HIDRATACIÓN DE IONES -- 4.3.5. HINCHAMIENTO ÁCIDO -- 4.4. OPTIMIZACIÓN EXPERIMENTAL DE UNA CURTICIÓN BAJA EN CLORURO SÓDICO -- 4.4.1. …”
    Libro electrónico
  9. 1689
    Publicado 2021
    Tabla de Contenidos: “…25.2 Active Magnetic Bearing -- 25.3 Closed Loop System of Amb -- 25.4 Power Amplifier -- 25.4.1 Full bridge switch mode power amplifier -- 25.5 Pulse With Modulation -- 25.6 Simulation Results -- 25.7 Conclusion -- Acknowledgement -- References -- Chapter 26 ▪ Design and Analysis of High-Speed Phase Locked Loop in 180 nm Technology -- 26.1 Introduction -- 26.2 Mathematical Model for Pll -- 26.3 Transistor Level Implementation and Results -- 26.3.1 Phase Frequency Detector (PFD) -- 26.4 Charge Pump (Cp) -- 26.5 Loop Filter Design (Lf) -- 26.6 Voltage Controlled Oscillator (VCO) -- 26.7 Divider (DIV)\ -- 26.8 Conclusion -- Acknowledgements -- References -- Chapter 27 ▪ Design of APOD-PWM Based Multi-level Inverter using Cuk DC-DC Converter with MPPT -- 27.1 Introduction -- 27.2 System Design and Analysis -- 27.2.1 Tracking of MPPT -- 27.2.2 DC-DC Circuit -- 27.2.3 Proposed Multi-Level Inverter -- 27.2.4 Proposed Pwm Technique -- 27.3 Simulation Result and Analysis -- 27.4 Conclusion -- References -- Chapter 28 ▪ Battery Storage Technologies: A Review -- 28.1 Introduction -- 28.2 Methodology -- 28.2.1 Lead Acid Battery -- 28.3 Sodium Sulfur Battery -- 28.4 Nickel Cadmium Battery -- 28.5 Lithium-Ion Battery -- 28.6 Vanadium Redox Flow Battery -- 28.7 Zinc Bromide Battery -- 28.8 Polysulphide Bromine -- 28.9 Sodium-Nickel Chloride -- 28.10 Discussion -- 28.11 Conclusion -- References -- Chapter 29 ▪ Experimental Investigation of Solar Energy-Assisted DC Refrigerator -- 29.1 Introduction -- 29.2 Design of Solar Photovoltaic Plant -- 29.3 Experimental Studies -- 29.4 Results and Discussion -- 29.5 Conclusion -- References -- Chapter 30 ▪ Automatic Speed Control of a Three Phase Induction Motor by Variable Frequency Drive -- 30.1 Motivation -- 30.2 V/F Speed Control Method -- 30.3 Variable Frequency Drive…”
    Libro electrónico
  10. 1690
    Publicado 2017
    Tabla de Contenidos: “…8-9 Formation of Halohydrins 421 -- 8-10 Catalytic Hydrogenation of Alkenes 425 -- 8-11 Addition of Carbenes to Alkenes 427 -- 8-12 Epoxidation of Alkenes 429 -- 8-13 Acid-Catalyzed Opening of Epoxides 431 -- 8-14 Syn Dihydroxylation of Alkenes 434 -- 8-15 Oxidative Cleavage of Alkenes 436 -- 8-16 Polymerization of Alkenes 439 -- 8-17 Olefin Metathesis 443 -- PROBLEM-SOLVING STRATEGY: Organic Synthesis 446 -- Summary: Reactions of Alkenes 448 -- Summary: Electrophilic Additions to Alkenes 451 -- Summary: Oxidation and Cyclopropanation Reactions of Alkenes 452 -- Essential Terms 453 -- Study Problems 457 -- 9 ALKYNES 464 -- 9-1 Introduction 464 -- 9-2 Nomenclature of Alkynes 465 -- 9-3 Physical Properties of Alkynes 467 -- 9-4 Commercial Importance of Alkynes 467 -- 9-5 Electronic Structure of Alkynes 469 -- 9-6 Acidity of Alkynes -- Formation of Acetylide Ions 470 -- 9-7 Synthesis of Alkynes from Acetylides 472 -- 9-8 Synthesis of Alkynes by Elimination Reactions 475 -- Summary: Syntheses of Alkynes 477 -- 9-9 Addition Reactions of Alkynes 477 -- 9-10 Oxidation of Alkynes 486 -- PROBLEM-SOLVING STRATEGY: Multistep Synthesis 488 -- Summary: Reactions of Alkynes 490 -- Summary: Reactions of Terminal Alkynes 491 -- Essential Terms 492 -- Study Problems 493 -- 10 STRUCTURE AND SYNTHESIS OF ALCOHOLS 496 -- 10-1 Introduction 496 -- 10-2 Structure and Classification of Alcohols 496 -- 10-3 Nomenclature of Alcohols and Phenols 497 -- 10-4 Physical Properties of Alcohols 502 -- 10-5 Commercially Important Alcohols 504 -- 10-6 Acidity of Alcohols and Phenols 506 -- 10-7 Synthesis of Alcohols: Introduction and Review 510 -- Summary: Previous Alcohol Syntheses 510 -- 10-8 Organometallic Reagents for Alcohol Synthesis 511 -- 10-9 Reactions of Organometallic Compounds 514 -- Summary: Grignard Reactions 520.…”
    Libro electrónico
  11. 1691
    Publicado 2021
    Tabla de Contenidos: “…9.8 Influence of the Oil Aging Process -- 9.9 Influence of Oil Composition -- 9.10 Conclusions -- Acknowledgments -- References -- Chapter 10 Nanostructured TiO2‐Based Hydrogen Evolution Reaction (HER) Electrocatalysts: A Preliminary Feasibility Study in Electrodialytic Remediation with Hydrogen Recovery -- 10.1 Introduction -- 10.1.1 Electrokinetic Technologies: Electrodialytic Ex Situ Remediation -- 10.1.2 Nanostructured TiO2 Electrocatalysts Synthesized Through Electrochemical Methods -- 10.2 Case Study -- 10.2.1 Aim and Scope -- 10.2.2 Experimental -- 10.2.2.1 TiO2 Based Electrocatalyst Synthesis and Characterization -- 10.2.2.2 ED Experiments -- 10.2.3 Discussion -- 10.2.3.1 Blank Tests: Electrocatalysts Effectiveness toward HER -- 10.2.3.2 ED Remediation for Sustainable CRMs Recovery -- 10.3 Final Considerations -- Acknowledgments -- References -- Chapter 11 Hydrogen Recovery in Electrodialytic‐Based Technologies Applied to Environmental Contaminated Matrices -- 11.1 Scope -- 11.2 Technology Concept -- 11.2.1 Potential Secondary Resources -- 11.2.2 Electrodialytic Reactor -- 11.2.2.1 Electrodes -- 11.2.2.2 Ion‐Exchange Membranes -- 11.2.2.3 PEMFC System -- 11.3 Economic Assessment of PEMFC Coupled with Electroremediation -- 11.3.1 Scenario Analysis -- 11.3.2 Hydrogen Business Model Canvas -- 11.3.3 SWOT Analysis -- 11.4 Final Remarks -- Acknowledgments -- References -- Chapter 12 Electrokinetic‐Phytoremediation of Mixed Contaminants in Soil -- 12.1 Soil Contamination -- 12.2 Phytoremediation -- 12.3 Electroremediation -- 12.3.1 EK Process Coupled with Phytoremediation -- 12.3.2 EK‐Assisted Bioremediation in the Treatment of Inorganic Contaminants -- 12.3.3 EK‐Assisted Bioremediation in the Treatment of Organic Contaminants -- 12.4 Case Study of EK and Electrokinetic‐Assisted Phytoremediation -- 12.5 Conclusions -- Acknowledgments -- References…”
    Libro electrónico
  12. 1692
    por Iones, Guilielmo
    Publicado 1777
    Accés Lliure
    Libro
  13. 1693
    por Martín Rodríguez, Eduardo
    Publicado 2012
    “…Se trata de realizar una evaluación, a escala de laboratorio, de transistores orgánicos de capa fina (OTFTs) como fototransistores, así como en la detección de variaciones de concentración de iones en soluciones…”
    Enlace del recurso
    Libro electrónico
  14. 1694
  15. 1695
    “…Un minimum de quatre concentrations connues du produit chimique étudié, et une concentration connue en ions métalliques devraient être employées. Le produit chimique à étudier doit normalement avoir une concentration au moins 25 fois supérieure à celle des ions métalliques. …”
    Libro electrónico
  16. 1696
    “…En la memoria se presenta la influencia de iones de los metales de transición y elementos representativos, en la estabilidad del silicato bicálcico en forma beta y la importancia que dicha estabilización puede tener en la actividad hidráulica de cementos comerciales…”
    Tesis
  17. 1697
    Publicado 1984
    Tabla de Contenidos: “…Correlation of X-ray studies with kinetic data / 13C-NMR study on the active sites of lipoamide dehydrogenase and glutathione reductase / X-ray crystallographic studies on lipoamide dehydrogenase from Azotobacter vinelandii / Mobility of lipoamide dehydrogenase in and out of the pyruvate dehydrogenase complex from Azotobacter vinelandii / Partial amino acid sequence of pig heart lipoamide dehydrogenase / The amino acid sequence encompassing the active site histidine residue of lipoamide dehydrogenase from Escherichia coli labelled with a bifunctional arsenoxide / Inactivation of pig heart lipoamide dehydrogenase by 1,3-dibromoacetone / The evolution of mercuric reductase, and a redox transfer model for mercuric ion detoxification in bacteria / Structural studies on ferredoxin-NADP+ oxidoreductase from Spirulina, a blue-green alga / The amino acid sequence and partial tertiary structure of ferredoxin-NADP+ oxidoreductase from spinach / On the nature of ferredoxin: ferredoxin-NADP+ reductase complex / Properties of a cross-linked complex between ferredoxin-NADP+ reductase and ferredoxin / On the enigma of old yellow enzyme's spectral properties / "On the enigma of old yellow enzyme's spectral properties" / NMR studies on the old yellow enzyme / Structural and kinetic characteristics of dimethylglycine dehydrogenase and sarcosine dehydrogenase / Evidence for two spatially distinct domains on each subunit of methylenetetrahydrofolate reductase / Structure of NADH-cytochrome b5 reductase of human erythrocytes / Structural comparison of the succinate dehydrogenase and fumarate reductase of Escherichia coli / Lack of assembly of succinate and NADH-ubiquinone oxidoreductases in iron-deficient rat skeletal muscle mitochondria / Crystal structure study of trimethylamine dehydrogenase / The flavin domain of assimilatory NADH: nitrate reductase from Chlorella vulgaris / Polarized absorption spectra of flavocytochrome b2 single crystals / FMN-protein interactions in flavodoxin from A. nidulans / Photochemical formation of a stable red derivative of flavodoxin / Desulfovibrio vulgaris flavodoxin. …”
    Libro electrónico
  18. 1698
    Publicado 2015
    Tabla de Contenidos: “…Intro -- Half Title -- River publishers series in standardisation -- Title - GenerationandApplicationsofExtra-TerrestrialEnvironmentsonEarth -- Copyright -- Contents -- Preface -- List of Contributors -- List of Figures -- List of Tables -- List of Abbreviations -- Introduction -- 1 - The Space Environment -- Chapter_1-The Space Gravity Environment -- 1.1 Open Space -- 1.2 Satellites and Rockets -- 1.3 Typical Gravity at Some Celestial Objects -- 1.4 Conclusion -- References -- Chapter_2.Cosmos: Violent and Hostile Environment -- 2.1 Introduction -- 2.2 Beliefs and Truths -- 2.3 Where Space Begins -- 2.4 Satellite Environment -- 2.4.1 Temperature -- 2.4.2 Atmospheric Drag -- 2.4.3 Outgassing -- 2.4.4 Atomic Oxygen Oxidation -- 2.5 Conclusions -- References -- Chapter_3 Radiation, SpaceWeather -- 3.1 Facilities for Space Radiation Simulation -- 3.2 Protons -- 3.3 Neutrons -- 3.4 Heavy Ions -- 3.5 Facilities Planned -- 3.6 Conclusions -- References -- Chapter_4 Interstellar Chemistry -- References -- Chapter_5 Celestial Bodies -- 5.1 Introduction -- 5.2 General Planetary Simulation Facilities -- 5.2.1 The Centre for Astrobiology Research (CAB), Madrid, Spain -- 5.2.2 Deutsches Zentrum fur Luft-und Raumfahrt (DLR), Berlin,Germany -- 5.2.3 The Open University, Milton Keynes, UK -- 5.2.4 Mars Environmental Simulation Chamber (MESCH),Aarhus University, Denmark -- 5.2.5 The Planetary Analogues Laboratory for Light, Atmosphereand Surface Simulations (PALLAS), Utrecht University,The Netherlands -- 5.3 Mars Wind Tunnels -- 5.3.1 The Planetary Aeolian Laboratory (PAL), NASA AmesResearch Center, Moffett Field, CA, USA -- 5.3.2 The Arizona State University Vortex Generator (ASUVG),Moffett Field, CA, USA -- 5.3.3 The Aarhus Wind Tunnel Simulator (AWTS), Aarhus,Denmark -- 5.4 Instrument Testing Facilities -- 5.4.1 ChemCam Environmental Chamber…”
    Libro electrónico
  19. 1699
    Publicado 2007
    Tabla de Contenidos: “…3.4 Leaving Group in SN2 Reaction -- 3.5 Interm olecular versus Intram olecular Reactions -- 3.5.1 Baldwin's Rules -- 3.6 Mechanism of SN1 Reaction -- 3.7 Leaving Group in SN1 Reaction -- 3.8 Nucleophile in SN1 Reaction -- 3.9 Carbocation Rearrangements -- 3.10 Stereochemistry of SN2 and SN1 Reactions -- 3.11 Role of Solvent in SN2 and SN1 Reactions -- 3.12 Solvation Effect -- 3.13 Effect of Solvent on Rate of Reaction -- 3.13.1 Effect of solvent on Rate of SN1 Reaction -- 3.13.2 Effect of Solvent on Rate of SN2 Reaction -- 3.14 Benzylic, Allylic, Vinylic and Aryl Halides -- 3.15 Competition between SN2 and SN1 Reactions -- 3.16 Mixed SN1 and SN2 Mechanism -- 3.17 Neighbouring Group Participation -- 3.18 Summary -- Problems -- Objective Type Questions -- Chapter 4: Elimination Reactions -- 4.1 Introduction -- 4.1.1 Substitution and Elimination -- 4.2 a-Elimination -- 4.2.1 Elimination When Nucleophile Attacks Hydrogen -- 4.2.2 Nucleophile Effects on Elimination and Substitution -- 4.3 E1 and E2 Mechanism s -- 4.4 Orientation of Double Bond -- 4.5 Role of Leaving Group -- 4.5.1 Stereoselective E1 Reactions -- 4.5.2 Regioselective E1 Reactions -- 4.5.3 Anti-periplanar Transition States of E2 Eliminations -- 4.5.4 Stereospecific E2 Eliminations -- 4.6 E2 Eliminations from Cyclohexanes -- 4.7 Regioselectivity of E2 Elim inations -- 4.8 E2 Elimination from Vinyl Halides: How to Make Alkynes -- 4.9 Anion-stabilizing Groups Allow E1cB -- 4.10 E1cB Rate Equation -- 4.11 E1cB Eliminations in Context -- 4.12 E1-E2 -E1cB Spectrum -- 4.13 Pyrolytic or Thermal Eliminations -- 4.14 Summary -- Problems -- Objective Type Questions -- Chapter 5: Addition Reactions -- 5.1 Introduction -- 5.2 Electrophilic Addition of HX and H2 to Alkenes -- 5.2.1 Experimental evidence -- 5.2.2 Product Analysis -- 5.3 M echanism of Electrophilic Addition -- 5 .3.1 Halonium Ions…”
    Libro electrónico
  20. 1700
    Publicado 2023
    Tabla de Contenidos: “…Ionic liquids in green energy -- 3.1 Conversion of CO2 into fuel or fuel components -- 3.2 Conversion of CO2 -- 3.2.1 Carbon monoxide -- 3.2.2 Formic acid -- 3.2.3 Alcohols -- 3.3 Biomass conversion to biofuels -- 3.4 Biodiesel -- 3.5 Electrochemical sensors -- 3.6 Carbon nanotubes -- 3.7 Energy storage devices -- 3.7.1 Li-ion batteries -- 3.7.2 Vanadium redox flow batteries -- 4. …”
    Libro electrónico