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Polymer Characterization: Rheology, Laser Interferometry, Electrooptics
ISBN: 9783642264221 / Angielski / Miękka / 286 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. -Shear-Induced Transitions and Instabilities in Surfactant Wormlike Micelles By S. Lerouge, J.-F. Berret -Laser-Interferometric Creep Rate Spectroscopy of Polymers By V. A. Bershtein, P. N. Yakushev -Polymer Nanocomposites for Electro-Optics: Perspectives on Processing Technologies, Material Characterization, and Future Application K. Matras-Postolek, D. Bogdal
-Shear-Induced Transitions and Instabilities in Surfactant Wormlike Micelles By S. Lerouge, J.-F. Berret -Laser-Interferometric Creep Rate Spectroscop...
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cena:
805,10 |
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Optimization of Electric water pump for high volume application
ISBN: 9783639458695 / Angielski / Miękka / 112 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. For an automotive application, the electrical water pumps are based on two concepts: Brushed and brushless concepts. A life time study is made and a Brushless Direct current (BLDC) permanent magnet motor is considered for the proceedings of the development, which is discussed in this book. From the pump characteristic curve and customer requirement curve, the requirements of the motor in the form of torque and speed, is found out using the mathematical model. Apparently, using these boundary conditions an Axial Flux BLDC concept is developed and the model is simulated for a FEM analysis in...
For an automotive application, the electrical water pumps are based on two concepts: Brushed and brushless concepts. A life time study is made and a B...
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cena:
147,39 |
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Gas to Power: Imperatives for Development of Nigeria's Power Sector
ISBN: 9783659278273 / Angielski / Miękka / 60 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Nigeria has been described as a gas basin with some oil in it. With proven gas reserves in excess of 176 trillion cubic feet, Nigeria ranks among the first 10 countries worldwide in terms of gas deposits. Since commencement of commercial oil production in 1956, the Nigerian economy has relied heavily on oil as its mainstay, currently accounting for about 95% of foreign exchange earnings, 65% of budgetary revenues and about 20% of GDP. Most of Nigeria's oil is produced with associated gas, which until recently was flared to create room for oil production. As Nigeria strives to commercialize...
Nigeria has been described as a gas basin with some oil in it. With proven gas reserves in excess of 176 trillion cubic feet, Nigeria ranks among the ...
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cena:
219,18 |
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Semiconductor Metal Oxides for Hydrogen Gas Sensing
ISBN: 9783659278716 / Angielski / Miękka / 164 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The only practical way to imitate human nose function is via gas sensors which monitor air quality and provide a mean to premature alert of potential risk. A gas sensor can form a part of an early warning system, notifying the appropriate authorities or provide the feedback signal to a process control system. To achieve this, the gas sensor must be accurate and stable in-situ real time measurements. It is foreseen that hydrogen energy will form the infrastructure that will power future societies since it is a clean, cost-effective and renewable source of energy. However, hydrogen, being...
The only practical way to imitate human nose function is via gas sensors which monitor air quality and provide a mean to premature alert of potential ...
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cena:
304,16 |
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Black Box Modeling of RF Amplifiers
ISBN: 9783659284953 / Angielski / Miękka / 116 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Black-box or behavioral models (BM) are obtained from input/output observations of a system, without knowledge of its inner structure. They can be optimized for a specific system, and so it is possible to represent the physical component behavior by this model (e.g., RF power amplifiers). The principal applications of PA BMs are linearization and circuit simulation tools. PAs are nonlinear devices with memory effects, therefore, it is a challenging task to extract their equivalent BM. The work starts with a brief overview of BMs excitation signals and partitioning of data used in the modeling...
Black-box or behavioral models (BM) are obtained from input/output observations of a system, without knowledge of its inner structure. They can be opt...
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cena:
219,18 |
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A First Course on Electrical Engineering
ISBN: 9783659290824 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This hallmark text provides concise and balanced account of all key concepts as well as applications in the field. It offers unparalleled exposure to electricity fundamentals, network theory, electric machines and transformers. It is written in a style lends itself to easy adaptation to the exact syllabi of various universities and teaching plans of individual teachers. The author has presented the topics in a lucid manner.
This hallmark text provides concise and balanced account of all key concepts as well as applications in the field. It offers unparalleled exposure to ...
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cena:
263,91 |
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Shunt Active Filter Control Strategies for Power Quality Improvement
ISBN: 9783659293283 / Angielski / Miękka / 92 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Instantaneous active and reactive power (p-q) and current (Id-Iq) Control strategies for extracting the three-phase reference currents for shunt active power filters are compared, evaluating their performance under different source voltage conditions with PI and Fuzzy logic Controllers in MATLAB/SIMULINK environment and also implemented using RTDS Hardware. This book is organized as Section-1 introduces the importance of active power filters and solid state devices; section-2 provides the classifications of active power filter; section-3 provides the details of shunt active filter basic...
Instantaneous active and reactive power (p-q) and current (Id-Iq) Control strategies for extracting the three-phase reference currents for shunt activ...
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cena:
219,18 |
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Principles of Terahertz Surface Plasmon-Polariton Spectroscopy
ISBN: 9783846587386 / Angielski / Miękka / 64 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Mastering of the terahertz (THz) spectral range has motivated intensive studies aimed at developing applications of THz radiation. Spectroscopy is one of them, as molecular absorption lines corresponding to the vibrational and/or rotational frequencies belong to the THz range. Subwavelength sample thicknesses impose great difficulties to conventional THz spectroscopy, yet sensing of such samples is essential. Potentialities of thin film THz spectroscopy are considerably enlarged if a sample is probed by surface plasmon-polaritons (SPP) - the complex of an evanescent EM wave coupled to a wave...
Mastering of the terahertz (THz) spectral range has motivated intensive studies aimed at developing applications of THz radiation. Spectroscopy is one...
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cena:
219,18 |
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Redes Energizadas, Seguridad y Capacitacion En El Siglo XXI
ISBN: 9783848477920 / Hiszpański / Miękka / 64 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Este libro esta dirigido a trabajadores de redes, empresas de energia, centros de capacitacion, educadores tecnicos, estudiantes, tecnicos y a profesionales de la industria representando una introduccion indispensable para contribuir a implementar practicas, cumplir normas y seguir pasos necesarios para trabajar de una manera segura con tension en redes de distribucion y transmision una fuerza de talento tecnico-artesanal especializada utilizando equipos y herramientas modernas, aumentando asi la seguridad laboral, la eficiencia de maniobras y poder ofrecer un valor agregado a empresas de...
Este libro esta dirigido a trabajadores de redes, empresas de energia, centros de capacitacion, educadores tecnicos, estudiantes, tecnicos y a profesi...
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cena:
129,72 |
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Coal Power Technologies Explained Simply: Energy Technologies Explained Simply
ISBN: 9781479384792 / Angielski / Miękka / 90 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book discusses everything which decision-makers and citizens need to know about Coal Power. The major topic areas include: Coal Mining Operations, Mining Safety, Operation of Coal Power Plants, Environmental Effects, and Clean Coal Technologies. Importance of this book: In our society today many aspects of coal power are vigorously debated. However, too often people with an agenda present lies about coal power as absolute truth. Too often the policy-makers make bad decisions based on emotions or on myths rather than on evidence. Too often the citizens are bombarded with conflicting...
This book discusses everything which decision-makers and citizens need to know about Coal Power. The major topic areas include: Coal Mining Operations...
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cena:
84,21 |
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Economic Integration of Wind Farms to Modern Power Networks
ISBN: 9783659304347 / Angielski / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This project presents a differential evolution (DE) based methodology to relieve congestion and improve quality and cost efficacy of generated power, formulating a penalty based congestion constrained OPF problem' in a hybrid thermal-wind power farm. Employing an approach of 'Demand sensitive loss factor' (DSLF) to select the worst possible inadvertent states of the system and the weakest bus of the system in active, reactive loading the algorithm attempts to reschedule the generators to bring down the individual line flows to provide better congestion management keeping in view of...
This project presents a differential evolution (DE) based methodology to relieve congestion and improve quality and cost efficacy of generated power, ...
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cena:
219,18 |
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La enseñanza y el aprendizaje del color y la visión
ISBN: 9783659035043 / Hiszpański / Miękka / 404 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Este trabajo es una tesina de la Maestria en ensenanza de las ciencias (area Fisica) de la Universidad Nacional de Tucuman. Se estudian las concepciones de los alumnos universitarios de la Argentina sobre el color y la vision y se disena una propuesta de ensenanza superadora (muestras de estudiantes de ingenieria de la UBA y de los profesorados terciarios no universitarios de Matematica, Fisica, Historia y la carrera de Psicopedagogia del IES N 1 Dra Moreau de Justo). El objetivo es una mejor conceptualizacion de los temas de Optica. Se analiza el color desde la historia, desde la filosofia...
Este trabajo es una tesina de la Maestria en ensenanza de las ciencias (area Fisica) de la Universidad Nacional de Tucuman. Se estudian las concepcion...
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cena:
398,10 |
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Effect of Hydrogen on the Structural of Transition Metal Surfaces
ISBN: 9783659304859 / Angielski / Miękka / 124 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This work presents the interaction of hydrogen atoms with surface layers of transition metal surfaces at the (001) orientation, (V, Fe, Co, Ni, Cu, and Ag), and Fe, Co and Ni overlayer on Cu(001) and Ag(001) substrate using first principles calculations. I performed these calculations using full-potential linearized augmented plane wave (FP-LAPW) method within the generalized gradient approximation (GGA) of density functional theory (DFT) as implemented in Wien2kcode. Now, I am working on hydrogen dissociation and diffusion on transition metal surfaces to designing the fuel cell by using DFT...
This work presents the interaction of hydrogen atoms with surface layers of transition metal surfaces at the (001) orientation, (V, Fe, Co, Ni, Cu, an...
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cena:
263,91 |
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Antenna Measurements at Millimeter Wavelengths
ISBN: 9783659211133 / Angielski / Miękka / 316 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book approaches the antenna measurement tasks at millimeter wavelengths, with focus on a particular antenna measurement system: the compact range. Several techniques are described, covering analysis, design and assessment. The proposed methods follow the sequential steps involved in the tests of an antenna. First contributions cover the Electromagnetic analysis, proposing two hybrid formulations which offer complementary points of view about the ranges study. These algorithms are used to reach design conclusions on the ranges field collimator. Also, the assessment stage is studied at...
This book approaches the antenna measurement tasks at millimeter wavelengths, with focus on a particular antenna measurement system: the compact range...
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cena:
353,37 |
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Microgrid Architectures and Maintenance
ISBN: 9783659277979 / Angielski / Miękka / 220 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Over the past several years, power demand is immensely increasing in isolated mode or grid connected mode of applications continuously due to the growth in demand of various classes of consumers like domestic, industrial, agricultural, and etc. To meet this, various conventional power plants are operating by using fossil fuels as major resource. But in future, these resources may evaporate, and need to look for the availability of alternative energy sources, and hence renewable energy based hybrid power system is designed. Combining several different types of power sources will forms a...
Over the past several years, power demand is immensely increasing in isolated mode or grid connected mode of applications continuously due to the grow...
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cena:
353,37 |
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Assessment of Customer Service Satisfaction of ECG Ashanti East Region
ISBN: 9783659307386 / Angielski / Miękka / 92 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Customer satisfaction is one of the ways to measure whether an organisation is performing or underperforming. Customers expect organizations to offer a product or service which gives them maximum value for money. Electricity Company of Ghana (ECG) has been subjected to incessant criticisms from the end users because of continuous power failures, incessant/unannounced power outages, poor meter reading, malfunction meters, transformer breakdowns and power rationing. Electricity Company of Ghana (ECG) in the quest to address this situation adopted the use of prepaid meters, improved distribution...
Customer satisfaction is one of the ways to measure whether an organisation is performing or underperforming. Customers expect organizations to offer ...
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cena:
219,18 |
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Nigerias Power Structure: Competition or Monopoly?
ISBN: 9783838349121 / Angielski / Miękka / 88 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Written in simple language, Nigerias Power Structure: Competition or Monopoly, is a work on power policies and structure between Nigeria and Canada. This text: Gives a detailed analysis of power policies in both jurisdictions; Carries out a comparative analysis to determine and provide the Nigerian government with a suitable option of which structure to implement and Covers the provisions of the Nigerian Electric Power Sector Reform Act 2005 and other Acts. In general, this text gives the reader an understanding of the foundations of a power sector.
Written in simple language, Nigerias Power Structure: Competition or Monopoly, is a work on power policies and structure between Nigeria and Canada. T...
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cena:
219,18 |
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Simulacion y Analisis de Redes Subterraneas Usando El Software Etap
ISBN: 9783844348644 / Hiszpański / Miękka / 172 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Las empresas de distribucion de energia electrica, en ocasiones suministran el servicio de energia electrica usando las redes subterraneas. Estas redes subterraneas estan expuestas a problemas de funcionamiento derivados al comportamiento del aislamiento del conductor o cable o instalacion de la red subterranea, los cuales pueden originar fenomenos que afectan la prestacion del servicio. Para mejorar la calidad de servicio a los clientes, las empresas de distribucion hacen uso de herramientas de simulacion que permiten el modelamiento de cables y que ademas permitan realizar distintos tipos...
Las empresas de distribucion de energia electrica, en ocasiones suministran el servicio de energia electrica usando las redes subterraneas. Estas rede...
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cena:
263,91 |
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Heterolaseres de Semiconductor
ISBN: 9783845486765 / Hiszpański / Miękka / 76 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Este libro esta dedicado a los laseres de semiconductor. Debido a su muy alta eficiencia, rapidez, bajo consumo de energia, tamano diminuto y confiabilidad, asi como por su bajo costo de produccion en masa, hoy en dia estos dispositivos tienen numerosas y variadas aplicaciones. Los principales fenomenos y efectos fisicos que toman lugar dentro de un laser durante su operacion son complejos y su descripcion rigurosa requiere de un gran aparato matematico. Debido a que el objetivo de los autores del presente libro es discutir el tema de los laseres de semiconductor utilizando un lenguaje...
Este libro esta dedicado a los laseres de semiconductor. Debido a su muy alta eficiencia, rapidez, bajo consumo de energia, tamano diminuto y confiabi...
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cena:
129,72 |
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Transformation Electromagnetics and Metamaterials: Fundamental Principles and Applications
ISBN: 9781447149958 / Angielski / Twarda / 499 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Transformation electromagnetics is a systematic design technique for optical and electromagnetic devices that enables novel wave-material interaction properties. The associated metamaterials technology for designing and realizing optical and electromagnetic devices can control the behavior of light and electromagnetic waves in ways that have not been conventionally possible. The technique is credited with numerous novel device designs, most notably the invisibility cloaks, perfect lenses and a host of other remarkable devices. Transformation Electromagnetics and Metamaterials:... Transformation electromagnetics is a systematic design technique for optical and electromagnetic devices that enables novel wave-material interacti... |
cena:
603,81 |
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