Synthèse de Nanoparticules D'argent a L'aide D'un Procédé Plasma-liquide

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (117 download)

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Book Synopsis Synthèse de Nanoparticules D'argent a L'aide D'un Procédé Plasma-liquide by : Mine Er

Download or read book Synthèse de Nanoparticules D'argent a L'aide D'un Procédé Plasma-liquide written by Mine Er and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objectives of this thesis are to develop a plasma liquid immersion (PLI) method for the synthesis of silver nanoparticles. Synthesis of silver nanoparticles is first investigated with respect to chemical parameters (concentration of precursor and of stabilizing agent, and initial pH of the precursor solution) in the aim of optimizing PLI process and silver nanoparticles in order to synthesize spherical, small-sized, and uniformly-distributed silver nanoparticles. This investigation is performed using a MARX pulse generator. Secondly, synthesis of silver nanoparticles is investigated with respect to physical parameters (pulse duration, applied voltage, and applied voltage over the interelectrode distance for a constant ratio). For this investigation, a solid-state BEHLKE switch is used in the generation of plasma pulses. The study showed that the synthesis and morphology of silver nanoparticles are process dependent. Differences in the generation of plasma discharges are observed, when using two types of pulse generators, and are further explained. Optimized silver nanoparticles, synthesized using the MARX pulse generator, are spherical and uniformly distributed with an average hydrodynamic diameter of 10nm. These silver nanoparticles were produced by injecting only 40mJ energy into pulsed plasma discharges of the PLI process with 2W in power consumption. Synthesis of silver nanoparticles at similar synthesis conditions using the BEHLKE pulse generator resulted in the production of larger-sized polyhedral-shaped silver nanoparticles.

ICREEC 2019

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Publisher : Springer Nature
ISBN 13 : 9811554447
Total Pages : 659 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis ICREEC 2019 by : Ahmed Belasri

Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.

Biotransformation of Waste Biomass into High Value Biochemicals

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Publisher : Springer Science & Business Media
ISBN 13 : 1461480051
Total Pages : 500 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Biotransformation of Waste Biomass into High Value Biochemicals by : Satinder Kaur Brar

Download or read book Biotransformation of Waste Biomass into High Value Biochemicals written by Satinder Kaur Brar and published by Springer Science & Business Media. This book was released on 2013-09-24 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agro-industrial wastes are end-products emerging after industrial processing operations and also from their treatment and disposal e.g. solid fruit wastes and sludge. The agro-industrial wastes are often present in multiphase and comprise multicomponent. Nevertheless, these wastes are a goldmine as they possess valuable organic matter which can be diverted towards high value products ranging from polymers to antibiotics to platform chemicals. There have been plenty of books published on bioenergy, enzymes and organic acids, among others. However, this emerging field of biochemical has not yet been covered so far which is an important entity of the biorefinery model from waste biomass and needs to be understood from fundamental, applied as well as commercial perspective which has been laid out in this book.

Flexoelectricity in Liquid Crystals

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Publisher : World Scientific
ISBN 13 : 1848167997
Total Pages : 299 pages
Book Rating : 4.8/5 (481 download)

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Book Synopsis Flexoelectricity in Liquid Crystals by : Agnes Buka

Download or read book Flexoelectricity in Liquid Crystals written by Agnes Buka and published by World Scientific. This book was released on 2013 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.

Biocontrol

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Publisher :
ISBN 13 : 9781619428034
Total Pages : 0 pages
Book Rating : 4.4/5 (28 download)

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Book Synopsis Biocontrol by : Satinder Kaur Brar

Download or read book Biocontrol written by Satinder Kaur Brar and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural and forest pests lead to many plant diseases resulting in poor yield and productivity. Traditionally, chemical pesticides have been used to control these pests. However, the adverse health impacts of chemical pesticides have triggered parallel research in safe biological options. Nevertheless, biocontrol has come a long way ever since the commercialisation of the first Bacillus thuringiensis based biopesticide (sporeine) in the 1940s, however, still there are research gaps. New knowledge and practical experiences have been added over the last few decades. This book reviews research on biological control agents, including bacterial, fungal and viral biopesticides along with their advanced formulation options.

Diffusion in Materials - DIMAT 2011

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Publisher : Trans Tech Publications Ltd
ISBN 13 : 3038137030
Total Pages : 600 pages
Book Rating : 4.0/5 (381 download)

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Book Synopsis Diffusion in Materials - DIMAT 2011 by : Igor Bezverkhyy

Download or read book Diffusion in Materials - DIMAT 2011 written by Igor Bezverkhyy and published by Trans Tech Publications Ltd. This book was released on 2012-04-12 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Conference on Diffusion in Materials (DIMAT) is the benchmark conference series for diffusion in solids. DIMAT 2011 was organized by the University of Bourgogne in association with CNRS, Dijon (France). The conference showcased new results concerning theoretical tools as well as applied research approaches. Diffusion processes affect all types of materials: nanomaterials, materials for energy, metallurgy, glasses and ceramics, but each requires its own numerical tools. Volume is indexed by Thomson Reuters CPCI-S (WoS). This volume comprises most of the contributions presented at DIMAT 2011: 4 plenary lectures delivered by famous high-level scientists plus 88 contributions in the form of keynote lectures, talks and posters.

Anticancer Molecules

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Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.X/5 (4 download)

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Book Synopsis Anticancer Molecules by : Hiroshi Maruta

Download or read book Anticancer Molecules written by Hiroshi Maruta and published by . This book was released on 1999 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume discusses the value of research on tumor suppressor genes and the structure-function relationship of the corresponding proteins. The applicability of these non-peptide molecules to anti-cancer drugs is also taken up; and by focusing on contemporary research issues in the field, the book aims to promote understanding and cooperation between industrial and academic researchers.

Shadows from the Walls of Death

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781502703170
Total Pages : 0 pages
Book Rating : 4.7/5 (31 download)

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Book Synopsis Shadows from the Walls of Death by : Robert Clark Kedzie

Download or read book Shadows from the Walls of Death written by Robert Clark Kedzie and published by Createspace Independent Publishing Platform. This book was released on 2014-11-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This version of 'Shadows from the Walls of Death' is a tribute to Robert Clark Kedzie, who produced the originals of which there are now only two left in existence. They are located at the University of Michigan and Michigan State University. The originals are approximately 22 x 30 inches containing a title page and an 8 page preface followed by 86 samples cut from rolls of arsenic impregnated wallpaper. The book is sealed in a protective container and each individual page is encapsulated. This particular edition does not actually contain any arsenic. Further to that the content of this volume including both text and images are for entertainment purposes.

Scientific Canadian Mechanics' Magazine and Patent Office Record

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Publisher :
ISBN 13 :
Total Pages : 1070 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Scientific Canadian Mechanics' Magazine and Patent Office Record by : Canada. Patent Office

Download or read book Scientific Canadian Mechanics' Magazine and Patent Office Record written by Canada. Patent Office and published by . This book was released on 1966-03 with total page 1070 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Confronting Poverty in Iraq

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Publisher : World Bank Publications
ISBN 13 : 0821385631
Total Pages : 114 pages
Book Rating : 4.8/5 (213 download)

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Book Synopsis Confronting Poverty in Iraq by : World Bank

Download or read book Confronting Poverty in Iraq written by World Bank and published by World Bank Publications. This book was released on 2011-01-10 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides the most comprehensive and rigorous analysis of Iraqi income and expenditure in several decades. The report makes extensive use of the Iraq Household Socio-Economic Survey, the first nationwide income and expenditure survey since 1988. IHSES data is complemented income and expenditure data from a wide range of other measures of living standards, allowing us to analyze living standards in a holistic way. The analysis presented here was performed with two main goals first, to inform the Government s Poverty Reduction Strategy; and second, to serve as a baseline for future assessments of changes in living standards and the identification of critical issues for deeper examination. Iraqi living standards have two unusual characteristics. First, they have fallen over the past generation. Second, they feature surprisingly little inequality. These characteristics are both rooted in Iraq s recent history of authoritarian government, war, military occupation, insurgency, and civil strife leading to infrastructure destruction and population displacement. There have been few opportunities for individuals to prosper from professional or entrepreneurial activities. Decades of neglected investment have resulted in deterioration of social services and economic infrastructure. Consequently, individuals have lacked capabilities to prosper and an investment climate conducive to prosperity. School enrollment and life expectancy have declined. Extremely low returns to education reflect the combination of poor educational quality and lack of employment opportunities. In terms of economic infrastructure, access to reliable electricity and water, and even access to paved roads are low, are further reflections of decades of neglect. While the upper end of the distribution has been pulled down by a lack of opportunities, the lower end has been supported by direct government provision of food. The Public Distribution System (PDS) provides 85 percent of food needs. While PDS has been useful as a safety net for the poor and the vulnerable, the system is expensive, inefficient, and fiscally risky. Indeed, PDS food rations account for a far greater share of public spending than does education or health. Going forward, Iraq faces two main challenges. First, although Iraq does not have to develop from scratch, it faces a formidable challenge in re-development. Second, a shift by the Government is required from direct provision of basic subsistence toward investment in human capacities. The Government can provide an enabling environment through investments in economic infrastructure and services to business and citizens, thus allowing the population to make productive use of education and their own labor. Both challenges are now being taken up by the Poverty Reduction Strategy, which articulates a detailed set of required actions and outlines priorities for government spending.

Citric Acid

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Publisher : Nova Science Publishers
ISBN 13 : 9781621003533
Total Pages : 0 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Citric Acid by : Dominic A. Vargas

Download or read book Citric Acid written by Dominic A. Vargas and published by Nova Science Publishers. This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, the authors present topical research in the study of the synthesis, properties and applications of citric acid. Some of the topics discussed include fungal and yeast production of citric acid; mitochondrial production and applications in food and pharmaceutical industries; synthesis of the CuO/CeO2 catalytic system by polymerisation with citric acid; citric acid as a useful tool in artificial enamel formation and regeneration; the impact of citrate on glycolysis in brain tumours and applications of citrus fruits and their extracts for detection of food poisoning caused by bacteria.

Nonlinear Optical Materials

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Publisher : Springer Science & Business Media
ISBN 13 : 9780387985817
Total Pages : 270 pages
Book Rating : 4.9/5 (858 download)

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Book Synopsis Nonlinear Optical Materials by : Jerome V. Moloney

Download or read book Nonlinear Optical Materials written by Jerome V. Moloney and published by Springer Science & Business Media. This book was released on 1998-08-13 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematical methods play a significant role in the rapidly growing field of nonlinear optical materials. This volume discusses a number of successful or promising contributions. The overall theme of this volume is twofold: (1) the challenges faced in computing and optimizing nonlinear optical material properties; and (2) the exploitation of these properties in important areas of application. These include the design of optical amplifiers and lasers, as well as novel optical switches. Research topics in this volume include how to exploit the magnetooptic effect, how to work with the nonlinear optical response of materials, how to predict laser-induced breakdown in efficient optical devices, and how to handle electron cloud distortion in femtosecond processes.

Polymer Initiators

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Publisher :
ISBN 13 : 9781617613043
Total Pages : 0 pages
Book Rating : 4.6/5 (13 download)

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Book Synopsis Polymer Initiators by : Whitney J. Ackrine

Download or read book Polymer Initiators written by Whitney J. Ackrine and published by . This book was released on 2010-10 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anionic polymerisation techniques offer powerful methods for the controlled manipulation of macromolecular architecture, and are still today unique for the synthesis of a wide variety of model polymeric materials. This book presents current research data from across the globe in the study of polymer initiators including: advanced organocobalt initiators in radical polymerisation; surface-initiated polymerisation techniques; citric acid and biopolymers; oliogomeric azo-initiators for grafting of polymers on clay surfaces and photopolymerisation.

Conceptual Modeling for Traditional and Spatio-Temporal Applications

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Publisher : Springer Science & Business Media
ISBN 13 : 354030326X
Total Pages : 475 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Conceptual Modeling for Traditional and Spatio-Temporal Applications by : Christine Parent

Download or read book Conceptual Modeling for Traditional and Spatio-Temporal Applications written by Christine Parent and published by Springer Science & Business Media. This book was released on 2006-09-02 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: From environmental management to land planning and geo-marketing, the number of application domains that may greatly benefit from using data enriched with spatio-temporal features is expanding very rapidly. This book shows that a conceptual design approach for spatio-temporal databases is both feasible and easy to apprehend. While providing a firm basis through extensive discussion of traditional data modeling concepts, the major focus of the book is on modeling spatial and temporal information.

Unidentified

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Publisher : Career Press
ISBN 13 : 9781601633422
Total Pages : 0 pages
Book Rating : 4.6/5 (334 download)

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Book Synopsis Unidentified by : Robert Salas

Download or read book Unidentified written by Robert Salas and published by Career Press. This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1969 the U.S. Air Force issued a statement that read' "No UFO reported, investigated and evaluated by the Air Force was ever an indication of threat to our national security." This statement is patently false. It has been proven untrue by the testimony of many military officers and airmen and documentation of incidents involving UFOs and nuclear weapons, testimonies of which the U.S. Air Force was fully aware. Unidentified details many of these testimonies, some for the first time. As partial justification for its position, the Air Force cites a University of Colorado study that was contracted and paid for by federal funds. Unidentified reveals how this study was actually just another part of the plan to cover up the reality of the UFO phenomenon. For the first time, Unidentified publishes evidence that the investigators for the Colorado study knew about the UFO-related missile shutdown incidents but did not investigate them or include them in their final report.

Gas Geochemistry

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Publisher :
ISBN 13 :
Total Pages : 614 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Gas Geochemistry by : Claude Dubois

Download or read book Gas Geochemistry written by Claude Dubois and published by . This book was released on 1995 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lost Secrets of the Sacred Ark

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Publisher : HarperCollins UK
ISBN 13 : 000714296X
Total Pages : 466 pages
Book Rating : 4.0/5 (71 download)

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Book Synopsis Lost Secrets of the Sacred Ark by : Laurence Gardner

Download or read book Lost Secrets of the Sacred Ark written by Laurence Gardner and published by HarperCollins UK. This book was released on 2004 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Ark of the Covenant is the source of one of the deepest mysteries of the Western world. Laurence Gardner has accessed Rosicrucian archives to reveal where the Ark is, what it is and how this lost secret of the distant past has led to the phenomenal new science of space-time manipulation.