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Quantitative MR Imaging of the Electric Properties and Local SAR based on Improved RF Transmit Field Mapping

Tobias,Voigt  著
Ingram 出版
2022/07/27 出版

This work presents three new quantitative methods for magnetic resonance imaging. A method for simultaneous mapping of B1 and T1 (MTM) is developed and validated. Electric Properties Tomography (EPT), a method for quantitative imaging of dielectric properties of tissue, is presented. Based on EPT, separate (phase-based) conductivity and (amplitude-based) permittivity measurements are introduced. Finally, a B1-based method for patient-specific local SAR measurements is presented.

9 特價2664
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Proceedings of the 9th fib International PhD Symposium in Civil Engineering

Ingram 出版
2022/07/27 出版

The fib International PhD Symposium in Civil Engineering is an established event in the academic calendar of doctoral students. It is held under the patronage of the International Federation for Structural Concrete (fib), one of the main international associations that disseminates knowledge about concrete and concrete structures. The 9th fib International PhD Symposium was held at the Karlsruhe Institute of Technology (KIT), Germany, from July 22 to 25, 2012.

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Model-based Interpretation of the Performance and Degradation of Reformate Fueled Solid Oxide Fuel Cells

Ingram 出版
2022/07/27 出版

Solid oxide fuel cells offer great prospects for the sustainable, clean and safe conversion of various fuels into electrical energy. In this thesis, the performance-determining loss processes for the cell operation on reformate fuels are elucidated via electrochemical impedance spectroscopy. Model-based analyses reveal the electrochemical fuel oxidation mechanism, the coupling of fuel gas transport and reforming chemistry and the impact of fuel impurities on the degradation of each loss process.

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Investigations on Joule heating applications by multiphysical continuum simulations in nanoscale systems

Ingram 出版
2022/07/27 出版

This work furthers the overall understanding of a 3ω-measurement, by considering previously unexamined macroscopic influence factors within measurement by Finite Element simulations (FES). Moreover, new measuring configurations are developed to determine (an)isotropic thermal conductivities of nanoscale samples. Since no analytic solutions are available for these configurations, a new evaluation methodology is presented to determine emergent thermal conductivities by FES and Neural Networks.

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Intelligent Systems Supporting the Use of Energy Systems and Other Complex Technical Objects, Modeling, Testing and Analysis of Their Reliability in the Operation Process

Ingram 出版
2022/07/27 出版

The book focuses on a novel application of Intelligent Systems for supporting the operation and maintenance of power systems or other technical facilities within wind farms. Indicating a different perception of the reliability of wind farm facilities led to the possibility of extending the operation lifetime and operational readiness of wind farm equipment. Additionally, the presented approach provides a basis for extending its application to the testing and analysis of other technical facilities.

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The Jewish Manual; Practical Information in Jewish and Modern Cookery with a Collection of Valuable Recipes & Hints Relating to the Toilette

Ingram 出版
2022/07/27 出版

This book has been considered important throughout the human history, and so that this work is never forgotten we have made efforts in its preservation by republishing this book in a modern format for present and future generations. This whole book has been reformatted, retyped and designed. These books are not made of scanned copies and hence the text is clear and readable.

9 特價1241
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Greenly's Model Steam Locomotive Designs and Specifications

Ingram 出版
2022/07/27 出版

Hints and tips, plus a listing of some of his designs from Henry Greenly, a well known writer on, and designer of, model and miniature steam locomotives and engineering subjects. This is a reprint of the last edition of this work, and was edited and augmented by Greenly's son-in-law Ernest A Steel, and is a useful technical reference book.

9 特價456
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About Time

David,Rooney  著
Ingram 出版
2022/07/27 出版

For thousands of years, people of all cultures have made and used clocks, from the city sundials of ancient Rome to the medieval water clocks of imperial China, hourglasses fomenting revolution in the Middle Ages, the Stock Exchange clock of Amsterdam in 1611, Enlightenment observatories in India, and the high-precision clocks circling the Earth on a fleet of GPS satellites that have been launched since 1978. Clocks have helped us navigate the world and build empires, and have even taken us to the brink of destruction. Elites have used them to wield power, make money, govern citizens, and control lives--and sometimes the people have used them to fight back.Through the stories of twelve clocks, About Time brings pivotal moments from the past vividly to life. Historian and lifelong clock enthusiast David Rooney takes us from the unveiling of al-Jazari's castle clock in 1206, in present-day Turkey; to the Cape of Good Hope observatory at the southern tip of Africa, where nineteenth-century British government astronomers moved the gears of empire with a time ball and a gun; to the burial of a plutonium clock now sealed beneath a public park in Osaka, where it will keep time for 5,000 years.Rooney shows, through these artifacts, how time has been imagined, politicized, and weaponized over the centuries--and how it might bring peace. Ultimately, he writes, the technical history of horology is only the start of the story. A history of clocks is a history of civilization.

9 特價648
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10th EASN International Conference on Innovation in Aviation & Space to the Satisfaction of the European Citizens

Ingram 出版
2022/07/27 出版

This Special Issue book contains selected papers from works presented at the 10th EASN (European Aeronautics Science Network) International Conference on Innovation in Aviation & Space, which was held from the 2nd until the 4th of September, 2020. About 350 remote participants contributed to a high-level scientific gathering providing some of the latest research results on the topic, as well as some of the latest relevant technological advancements. Eleven interesting articles, which cover a wide range of topics including characterization, analysis and design, as well as numerical simulation, are contained in this Special Issue.

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Coating and drying processes for functional films in polymer solar cells - from laboratory to pilot scale

Ingram 出版
2022/07/27 出版

Polymer solar cells can be produced by a continuous low cost coating and drying process. This work details a specialized experimental set-up to enable large scale roll to roll processing. Material properties such as surface energy, surface tension, and viscosity are presented and modelled. The impact of coating method, as well as process parameters (e.g. coating speed, shear rate, solvent composition) on process stability and film properties, is discussed.

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This Working-Day World

Routledge 出版
2022/07/26 出版

Originally published in 1994, This Working-Day World is lively collection of essays presenting a social, political and cultural view of British women's lives in the period 1914-45. The volume describes women's activities in many different areas, ranging from the weekly wash to the rescue of child refugees.

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The Great Thames Barrage

Ingram 出版
2022/07/26 出版

This book has been considered important throughout the human history, and so that this work is never forgotten we have made efforts in its preservation by republishing this book in a modern format for present and future generations. This whole book has been reformatted, retyped and designed. These books are not made of scanned copies and hence the text is clear and readable.

9 特價1038
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Lubrication Phenomenon

Anil  著
Eliva Press 出版
2022/07/26 出版

The present examination manages the investigation of the impact of presenting a little part of residue, by volume, to the fluid in a squeeze film on the thick protection from an unfaltering moving plate. Articulations are gotten for the fluid-stage and the residue stage velocity dispersions and the residue molecule number thickness. Investigation dependent on an iterative system demonstrates that the protection from movement experienced by the moving plate increments because of the nearness of residue. The squeeze film conduct between pivoting annular plates was investigated hypothetically when the bended upper plate with a uniform porous confronting drew nearer the impermeable and level lower plate, considering magnetic fluid grease within the sight of an outside magnetic field diagonal to the plates. Articulations were acquired for weight and load capacity; and reaction time is given by a differential condition. The increments in weight and load capacity depended uniquely on the polarization. In either case, the time of expansion depended on the charge, the fluid inactivity and the speed of rotation of the plates. The numerical pattern of ferrofluid greased up the level (parallel) of the annular circles (plates or surfaces) of the compressed film bearing is created with the impact of the porosity on the upper plate, the circumferential or elongated hardness on the lower circle and the dramatically factor magnetic field. The truth of Darcy's law is accepted as a fragile matrix. The subsequent modified Reynolds-Darcy situation is unraveled as far as Bessel's work is concerned. Articulations for dimensionless load-bearing capability shall be developed and registered.

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Computational Intelligence Application in Electrical Engineering

Ingram 出版
2022/07/26 出版

The Special Issue "Computational Intelligence Application in Electrical Engineering" deals with the application of computational intelligence techniques in various areas of electrical engineering. The topics of computational intelligence applications in smart power grid optimization, power distribution system protection, and electrical machine design and control optimization are presented in the Special Issue. The co-simulation approach to metaheuristic optimization methods and simulation tools for a power system analysis are also presented. The main computational intelligence techniques, evolutionary optimization, fuzzy inference system, and an artificial neural network are used in the research presented in the Special Issue. The articles published in this issue present the recent trends in computational intelligence applications in the areas of electrical engineering.

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Divertor Development for a Future Fusion Power Plant

Ingram 出版
2022/07/26 出版

Nuclear fusion is considered as a future source of sustainable energy supply. Since the H-mode discovery in ASDEX experiment "Divertor I" in 1982, the divertor has been an integral part of all modern tokamaks and stellarators. The major goal of this thesis is to develop a feasible divertor design for a fusion power plant to be built after ITER. The thesis describes the approach in the conceptual development of a helium-cooled divertor and the methods of verification and validation of the design.

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Turbulent open channel flow, sediment erosion and sediment transport

Ingram 出版
2022/07/26 出版

This thesis aims to contribute to a better understanding of turbulent open channel flow, sediment erosion and sediment transport. The thesis provides an analysis of high-fidelity data from direct numerical simulation of (i) open channel flow over an array of fixed spheres, (ii) open channel flow with mobile eroding spheres, (iii) open channel flow with sediment transport of many mobile spheres. An immersed boundary method is used to resolve the finite-size particles.

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System transferability of public hospital facility management between Germany and Iran

Ingram 出版
2022/07/26 出版

The subject of this PhD-thesis is the transferability of Facility Management (FM) by using the example of hospitals in Germany and Iran. The intention is to determine the status and significance of facility management in the project countries, to analyse similarities, semblances and differences in order to develop a system transferability model.

9 特價3257
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Experimental Investigations of Deformation Pathways in Nanowires

2022/07/26 出版

This work deals with the experimental investigation of the mechanical properties of nanowires. Experiments are conducted in a dedicated system inside the electron microscope. The mechanical response of various material systems is probed, the underlying deformation mechanisms are elucidated and subsequently put into context with mechanical size effects.

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Solving the inverse problem of electrocardiography in a realistic environment

Yuan,Jiang  著
Ingram 出版
2022/07/26 出版

Heart disease is a leading cause of death worldwide. Straightforward information about the cardiac electrophysiology can help to improve the quality of diagnosis of heart diseases. The inverse problem of electrocardiography and the intracardiac catheter measurement are two ways to get access to the electrophysiology in the heart. In this thesis six research topics related to these two techniques are included.

9 特價2072
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Treatment of phenolic wastewater in suspended and fixed bed bioreactors

Mini,Bajaj  著
Ingram 出版
2022/07/26 出版

Phenol and chlorophenols are among the most important class of raw materials in chemical industry. These compounds also list among priority pollutants. The main problem in treating phenol or chlorophenol containing wastewater is the toxicity it exerts to the microbial flora in biological treatment plants. This may lead to partial or complete treatment plant failure, when the microbial flora is not adapted to phenol concentrations in the influent. The purpose of this thesis was to adapt the microbial flora of domestic sewage sludge to phenol and 2-chlorophenol at high concentration under continuous feeding conditions for long time periods and to study the response of suspension and fixed biofilm systems to transient loading and operation.

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Sulfur-tolerant natural gas reforming for fuel-cell applications

Ingram 出版
2022/07/26 出版

An attractive simplification of PEM-FC systems operated with natural gas would be the use of a sulfur tolerant reforming catalyst, but such a catalyst has not been available thus far. In this work it is demonstrated that a tailor made rhodium catalyst retains useful activity for typical sulfur levels in the feed. A brief economic comparison showed however that this alternative process is still less economical than the traditional process employing removal of sulfur components by adsorption.

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SAR Prediction and SAR Management for Parallel Transmit MRI

Hanno,Homann  著
Ingram 出版
2022/07/26 出版

Parallel transmission enables control of the RF field in high-field Magnetic Resonance Imaging (MRI). However, the approach has also caused concerns about the specific absorption rate (SAR) in the patient body. The present work provides new concepts for SAR prediction. A novel approach for generating human body models is proposed, based on a water-fat separated MRI pre-scan. Furthermore, this work explores various approaches for SAR reduction.

9 特價2749
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Modelling the plastic deformation of iron

Zhiming,Chen  著
Ingram 出版
2022/07/26 出版

The 1/2 screw dislocations in bcc iron are studied by atomistic simulations. An analytical yield criterion captures correctly the non-Schmid plastic behavior. A model Peierls potential develops a link between the atomistic modeling at 0 K and the thermally activated dislocation motion. All predicted features agree well with experimental observations. This work establishes a consistent bottom-up model that provides an insight into the microscopic origins of the plastic behavior of bcc iron.

9 特價2961
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Stabilisation behaviour of cyclically loaded shallow foundations for offshore wind turbines

2022/07/26 出版

This work presents the results of model tests and numerical simulations of shallow foundations subjected to cyclic loads typical of offshore loadings. Main focus is spent on the accumulated rotational and settlement behaviour relevant in particular for fixed installed offshore wind turbines.

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Robot Assisted Laser Osteotomy

2022/07/26 出版

In the scope of this thesis world's first robot system was developed, which facilitates osteotomy using laser in arbitrary geometries with an overall accuracy below 0.5mm. Methods of computer and robot assisted surgery were reconsidered and composed to a workflow. Adequate calibration and registration methods are proposed. Further a methodology for transferring geometrically defined cutting trajectories into pulse sequences and optimized execution plans is developed.

9 特價2918
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Nitrification in Fixed Bed Reactors Treating Saline Wastewater

Sudarno  著
2022/07/26 出版

Two fixed bed reactors for nitrification with either polyethylene/clay sinter lamellas (FBR A) or porous ceramic rings (FBR B) were continously run for treating synthetic saline wastewater. Seawater from Hafen B羹sum was used as an inoculums. The performance of the system was evaluated under different operating conditions.A better overall nitrification without nitrite accumulation was observed in FBR B during continuous incubation. However, in term of ammonia (AOR) and nitrite oxidation rates (NOR) that were determined in batch incubations, FBR A revealed a higher AOR and NOR of 6 and 7 mg N L-1 h-1, compared to the AOR and NOR of 5 and 5.9 mg N L-1 h-1 in FBR B, respectively.For studies of the effect of fluctuating salinity on the nitrification, polyethylene/clay sinter lamellas or porous ceramic rings from FBR A and B, respectively, were used as a source of immobilized nitrifiers. Salt concentrations were decreased from 3.5% to 0.03% via 2, 1 and 0.5% and increased from 3.5% to 5, 7 and 9%.A similar result for AOR and NOR during batch incubation was obtained for both substrata in FBR A and FBR B. The salinity changes influenced more the nitrite oxidizing bacteria (NOB) than the ammonia oxidizing bacteria (AOB).Measurement of oxidation rates during changing conditions show that the NORs were always higher than the AORs in all reactors, especially in initial phase. However, NORs were more sensitive to the salinity fluctuation than AORs, especially at lower salinity. The AORs remained constant for 0.5-3.5% NaCl and dropped to 70% and 68.5% after the salt concentration was brought to 0.034 or 5%, respectively. The NORs decreased significantly to 62% and 87.5% of initial rates after the salt concentration was changed to 2 and 5%, respectively.Non-halotolerant nitrifiers reactors with fresh polyethylene/clay as supporting material were inoculated with water samples taken from a "Brackwasser"-location at the North Sea and were continuously run. The salt content in medium

9 特價2961
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Microstructural stability of nanostructured fcc metals during cyclic deformation and fatigue

Ingram 出版
2022/07/26 出版

Nanostructured metals with maximal grain or twin sizes of less than 100 nm have advanced properties like increased strength.As beneficial as these microstructures can be for the strength of materials, they are not infinitely stable. During mechanical loading these metals tend to coarsen and lose their beneficial structure. Besides electron microscopic analysis of fatigued samples, in situ cycling tests were conducted in order to observe structural degradation during mechanical loading.

9 特價3045
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Co-extrusion of piezoelectric ceramic fibres

Ingram 出版
2022/07/26 出版

The present work successfully developed a methodology for fabricating lead zirconate titanate [PZT] thin solid- and hollow-fibres by the thermoplastic co-extrusion process. The whole process chain, that includes: a) compounding, involving the mixing of ceramic powder with a thermoplastic binder, b) rheological characterizations, c) preform composite fabrication followed by co-extrusion, d) debinding and, finally, e) sintering of the body to near full density, is systematically descr

9 特價2664
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Sea Level Fluctuations

Ingram 出版
2022/07/25 出版

This thematic issue presents 11 scientific articles that are extremely useful for understanding the processes and phenomena of the interacting geospheres of the Earth. These processes have an important impact on the biosphere and many human activities. The results of scientific research presented in this book are fully united by the common theme "investigation of the fundamental foundations of the emergence, development, transformation, and interaction of hydroacoustic, hydrophysical and geophysical fields in the World Ocean." The book is recommended to a wide range of readers, as well as to specialists in the field of hydroacoustics, oceanology, and geophysics.

9 特價4599
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Effects of Time-Varying Magnetic Fields in the Frequency Range 1 kHz to 100 kHz upon the Human Body

Ingram 出版
2022/07/23 出版

In this work, the physiological effects of time-varying magnetic fields up to 100 kHz have been investigated, namely magnetic stimulation and body warming. Simulation studies were based on numerical calculations on sophisticated cell and body models. In addition, magnetic stimulation thresholds have been determined experimentally.The project was carried out within the scope of the development of Magnetic Particle Imaging, a new imaging technology for medical diagnostics.

9 特價3341
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Market Chain Analysis of Moringa Stenopetela. A Case of Konso Zone, SNNPRS, Ethiopia

Ingram 出版
2022/07/22 出版

Thesis (M.A.) from the year 2021 in the subject Agrarian Studies, grade: Very Good, Arba Minch University (Arba Minch University), course: AgriCultural Economics, language: English, abstract: In the last few years, the international and domestic demand for Moringa has increased. Despite Moringa market value and its increased production volume, its market potential has not been fully studied and quantified, results in poor prices among small-scale farmers and producers still experience marketing challenges. This research attempted to analyze the Moringa market chain in the Konso zone. A multistage sampling procedure was employed to contact 257 farmer respondents and a rapid market appraisal was made to select 31 traders. Semi-structured questionnaires and focus group discussions were used to collect data from small-scale Moringa farmers through face to face interviews. The data were analyzed using the descriptive statistics and econometrics model. The aim of this paper, therefore, intends to analyze the current Moringa marketing chain and its contribution to household income in the Konso zone because increasing market participation among smallholder producers has the potential to lift them to better income levels through increased productivity and surplus production. And also increased market participation by the poor rural people is important as a means of breaking from the traditional semi-subsistence farming. It has been argued that market-oriented production can achieve welfare gains through specialization and comparative advantage, economies of scale, and regular interaction and exchange of ideas. Unfortunately, poor farmers who need this kind of welfare boost constrained by several factors in their quest to participate in the market for their goods and services in the study area.

9 特價3321
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Lab-on-PCB Devices

Ingram 出版
2022/07/22 出版

Lab-on-PCB devices can be considered an emerging technology. In fact, most of the contributions have been published during the last 5 years. It is mainly focussed on both biomedical and electronic applications. The book includes an interesting guide for using the different layers of the Printed Circuit Boards for developing new devices; guidelines for fabricating PCB-based electrochemical biosensors, and an overview of fluid manipulation devices fabricated using Printed Circuit Boards. In addition, current PCB-based devices are reported, and studies for several aspects of research and development of lab-on-PCB devices are described.

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Discretisation techniques for large deformation computational contact elastodynamics

Ingram 出版
2022/07/22 出版

The present thesis deals with large deformation contact problems of flexible bodies in the field of nonlinear elastodynamics. Special emphasis will be placed on a consistent spatial and temporal discretization. For the spatial discretization of the underlying bodies, the finite element method will be used. For the contact boundaries the collocation type node-to-surface method as well as the variationally consistent Mortar method will be applied.

9 特價3553
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Cross (CLT) and diagonal (DLT) laminated timber as innovative ma-terial for beam elements

Ingram 出版
2022/07/22 出版

Cross laminated timber (CLT) is a plate-like multi layer element with crosswise arrangement of lamellas. CLT could be used for long-span beams in particular with tensile stresses perpendicular to the beam axis. Within this work, CLT beams were optimised, resulting in diagonal orientated timber (DLT). Both CLT and DLT beams were tested in edgewise bending. Their load-carrying behaviour was studied using experimental results and finite element analysis.

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State Estimation for Distributed Systems with Stochastic and Set-membership Uncertainties

Ingram 出版
2022/07/22 出版

State estimation techniques for centralized, distributed, and decentralized systems are studied. An easy-to-implement state estimation concept is introduced that generalizes and combines basic principles of Kalman filter theory and ellipsoidal calculus. By means of this method, stochastic and set-membership uncertainties can be taken into consideration simultaneously. Different solutions for implementing these estimation algorithms in distributed networked systems are presented.

9 特價3510
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Microstructure and Mechanical Behavior of Deep Drawing DC04 Steel at Different Length Scales

Ingram 出版
2022/07/22 出版

The deformation behavior of steels is strongly influenced by their microstructure which is a result of the alloying elements and thermal treatments. In this work, the microstructure and the deformation behavior of a non-alloyed deep drawing DC04 steel was investigated. The microstructure was analyzed during heat treatment by EBSD, then microcompression experiments were performed on selected microstructural units and then bulk steel samples were mechanically tested by tensile experiments.

9 特價3130
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New contributions to R-curves and bridging stresses - Applications of weight functions

Theo,Fett  著
Ingram 出版
2022/07/22 出版

Most ceramics show an increase of the crack growth resistance during crack propagation (R-curve behaviour). Reasons for such behaviour are bridging effects between opposite crack surfaces, phase transformations around the tip of a crack, and development of micro-cracking zones.This booklet predominantly deals with the bridging behaviour and the discussion of the observed effects in terms of the fracture mechanics weight function procedure.

9 特價3130
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The Fun of Cooking

Ingram 出版
2022/07/22 出版

This book has been considered important throughout the human history, and so that this work is never forgotten we have made efforts in its preservation by republishing this book in a modern format for present and future generations. This whole book has been reformatted, retyped and designed. These books are not made of scanned copies and hence the text is clear and readable.

9 特價1269
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Harper's Household Handbook

Ingram 出版
2022/07/22 出版

This book has been considered important throughout the human history, and so that this work is never forgotten we have made efforts in its preservation by republishing this book in a modern format for present and future generations. This whole book has been reformatted, retyped and designed. These books are not made of scanned copies and hence the text is clear and readable.

9 特價1153
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Fulton’s Steam Battery

Ingram 出版
2022/07/22 出版

This book has been considered important throughout the human history, and so that this work is never forgotten we have made efforts in its preservation by republishing this book in a modern format for present and future generations. This whole book has been reformatted, retyped and designed. These books are not made of scanned copies and hence the text is clear and readable.

9 特價1089
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The Khaki Kook Book

Ingram 出版
2022/07/22 出版

This book has been considered important throughout the human history, and so that this work is never forgotten we have made efforts in its preservation by republishing this book in a modern format for present and future generations. This whole book has been reformatted, retyped and designed. These books are not made of scanned copies and hence the text is clear and readable.

9 特價1085
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Usefulness of Adopting the last Planner System in the Construction Process of Addis Ababa Road Projects

Ingram 出版
2022/07/21 出版

Master's Thesis from the year 2022 in the subject Engineering - Civil Engineering, grade: 3.56, University of Gondar (Institute of Technology), language: English, abstract: Modern construction is characterized by its efficient utilization of construction resources to accomplish numerous construction activities without waste. But, Addis Ababa's Road construction projects fail to be executed on time, within the allocated budget, and with the desired quality. To solve this problem, a new management concept is introduced, namely lean construction. It is known to increase productivity and minimize waste. To realize this solution, last planner system (LPS) is used; it is one tool of lean construction. It is a person or group of people with the task to control the production unit. The main objective of this study is to assess usefulness of the last planner system implementation to advance the current construction process management in Addis Ababa city road projects. The research was conducted on selected asphalt road construction projects located in Addis Ababa city. To address the problems Questioners, observations, interviews, focus group discussion, and recently published journals were employed as a qualitative and quantitative data collection tools and analyzed using statistical package for the social science version 26 and super decision model version 3.2. The finding shows that; the construction management process adopted in all three sites is more or less similar they use a push planning system and critical path method to determine the duration following the master schedule but have no weekly work plan and lookahead schedule to forecast the coming week's duty. The LPS implementation expected barriers are also ranked from one to five: as Labor-related, internal working environment-related, stakeholders-related, exogenous related, and material related expected barriers respectively. The last planner system has many benefits as agreed by different scholar's those ar

9 特價3464
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Population Status and Resin Quality of Frankincense Boswellia neglecta (Burseraceae) Growing in South Omo, Southwestern Ethiopia

Ingram 出版
2022/07/21 出版

Master's Thesis from the year 2018 in the subject Forestry / Forestry Economics, grade: Excellent, language: English, abstract: Boswellia neglecta is a small tree that produces commercially important oleo-resin known as frankincense. This frankincense has been used for varied purposes, and it is a source of income for rural households in southern and south-eastern Ethiopia. The study was carried out in dry lands of Bena-Tsemay Woreda in South Omo, South Western Ethiopia aimed to assess the population status of Boswellia neglecta and to test its resin quality. A total of 45 sample quadrats, measuring 1600m2 each and 300m apart had been laid out by using systematic sampling techniques. Quadrats were distributed in east-west compass directions along established transect lines located at approximately 500m from each other. In each quadrat, vegetation data such as identity, DBH, height, and counting of seedlings and saplings were made. To test the resin quality, sample was collected from systematically assigned matured trees in the study area. The status of populations of B. neglecta and other woody species in the study area were examined by estimating density, abundance, frequency, dominance, and importance value index and population structure. The physicochemical analysis of the resin: moisture, ash, pH, N content, optical rotation and essential oil extraction were determined using standard laboratory procedures.

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Artificial Intelligence in the Energy Industry

Ingram 出版
2022/07/20 出版

This book showcases all the various research approaches focused on the relationship between the use of artificial intelligence and its direct application in the field of the energy sector, or so-called smart energy. The different chapters address the high incidence of contributions from the perspective of energy efficiency in energy management, production, and consumption. The use of AI will therefore make it possible to produce, consume and manage energy and energy products better, with fewer resources and less environmental impact.

9 特價3525
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Intelligent Mobility in Smart Cities

Ingram 出版
2022/07/20 出版

Smart Cities seek to optimize their systems by increasing integration through approaches such as increased interoperability, seamless system integration, and automation. Thus, they have the potential to deliver substantial efficiency gains and eliminate redundancy. To add to the complexity of the problem, the integration of systems for efficiency gains may compromise the resilience of an urban system. This all needs to be taken into consideration when thinking about Smart Cities.The transportation field must also apply the principles and concepts mentioned above. This cannot be understood without considering its links and effects on the other components of an urban system. New technologies allow for new means of travel to be built, and new business models allow for existing ones to be utilized. This Special Issue puts together papers with different focuses, but all of them tackle the topic of smart mobility.

9 特價4062
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Fracture, Fatigue, and Structural Integrity of Metallic Materials and Components Undergoing Random or Variable Amplitude Loadings

Ingram 出版
2022/07/20 出版

Most metallic components and structures are subjected, in service, to random or variable amplitude loadings. There are many examples: vehicles subjected to loadings and vibrations caused by road irregularity and engine, structures exposed to wind, off-shore platforms undergoing wave-loadings, and so on. Just like constant amplitude loadings, random and variable amplitude loadings can make fatigue cracks initiate and propagate, even up to catastrophic failures. Engineers faced with the problem of estimating the structural integrity and the fatigue strength of metallic structures, or their propensity to fracture, usually make use of theoretical, numerical, or experimental approaches. This reprint collects a series of recent scientific contributions aimed at providing an up-to-date overview of approaches and case studies-theoretical, numerical or experimental-on several topics in the field of fracture, fatigue strength, and the structural integrity of metallic components subjected to random or variable amplitude loadings.

9 特價4062
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East Caucasian Tur (Capra cylindricornis) in two ranges of Kazbegi (Georgia). Ground survey

Ingram 出版
2022/07/20 出版

Bachelor Thesis from the year 2013 in the subject Nature Protection, Landscape Conservation, language: English, abstract: The tur is a species of economic interest and concidered a bioindicator. In 2008, tur's status has improved from 'vulnerable' to 'nearly threatened' (IUCN4 red-list), nevertheless it remain a species of global conservation concerns. Indeed, the tur habitat is part of a world biodiversity hotspot: the Caucasian region. The loss of quality of its habitat as well as illegal hunting have been identified as threats to the turs population. As a contribution to the monitoring of biodiversity this work aim to design a ground survey method and perform an estimation of turs' density on two sites situated in the north east district of Georgia known as Kazbegi. The implementation of monitoring of biodiversity is one of the priorities of Georgia's Ministery of Environment and Natural Ressources Protection.

9 特價2195
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Writing for Publication in Nursing

Ingram 出版
2022/07/20 出版

Designated a Doody's Core Title! "Writing for publication is essential for disseminating nursing knowledge, and this book will surely prepare budding authors and serve as a resource for experienced authors. It is a great reference for authors at all levels." Score: 100, Five Stars -Doody's Medical Reviews "Teaching writing is the biggest challenge when teaching these courses including the mechanics of writing and how to organize...manuscripts. Manuscript writing is so much different than writing a paper for a grade. Students don't always appreciate the amount of time and attention to detail that a manuscript takes. [This book is] excellent. Gives the students a broad overview of writing yet includes specifics, such as how to create tables." -Kimberly Whiteman, DNP, MSN Waynesburg University Praise for previous edition This award-winning book has helped thousands of nursing students and nurses produce high quality work, with its focus on all aspects of writing for professional publication. The new fifth edition offers two-color design to enhance the reading experience, expanded coverage on selecting a journal, conducting and reporting a literature review, reporting evidence syntheses, and preparing DNP projects as manuscripts, as well as a greater variety of journal examples. A full chapter on writing research reports makes this edition particularly useful for PhD students and researchers. Designed for nursing students in MSN, DNP, and PhD programs along with faculty and practitioners interested in disseminating their scholarship, this comprehensive resource demystifies the process of writing for publication with easy-to-follow examples and expert guidance. It leads nurses step-by-step through scholarly writing from idea to publication with clear direction for a multitude of writing formats, including case reports, editorials, chapters, books, and more. Instructor Resources include a sample course syllabus, an online course with 17 modules, and PowerPoints for each module. New to the Fifth Edition: Enhanced reading experience with two-color design Expanded coverage of literature reviews, writing research reports and manuscripts on quality improvement, and content related to publishing DNP scholarly projects Types of evidence syntheses, steps to follow, and reporting guidelines Increased guidance on selecting a journal and open access Responding to peer reviews Greater variety of journal examples reflecting expanded publishing options Key Features: Takes readers through the entire process of writing for publication from idea to completion Delivers strategies for conducting and writing literature reviews, research reports, evidence syntheses, quality improvement and clinical practice articles, chapters, books, and more Includes learner exercises to guide development of competencies in each chapter Offers tips for turning dissertations, DNP scholarly projects, and course assignments into manuscripts Details submission, editorial review, and publication processes

9 特價6493
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