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Design Et Realisation Dun Reacteur Plasma A Pression Atmospherique Pour Des Traitements De Surfaces Dans Le Domaine Des Biomateriaux
Download Design Et Realisation Dun Reacteur Plasma A Pression Atmospherique Pour Des Traitements De Surfaces Dans Le Domaine Des Biomateriaux full books in PDF, epub, and Kindle. Read online Design Et Realisation Dun Reacteur Plasma A Pression Atmospherique Pour Des Traitements De Surfaces Dans Le Domaine Des Biomateriaux ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
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.
Book Synopsis Decisions of the Commissioner of Patents by :
Download or read book Decisions of the Commissioner of Patents written by and published by . This book was released on 1871 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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:
Book Synopsis Forest Fire Research by : Universidade de Coimbra
Download or read book Forest Fire Research written by Universidade de Coimbra and published by . This book was released on 2010 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Source plasma pour la décontamination microbiologique des liquides by : Ibtissam Courti
Download or read book Source plasma pour la décontamination microbiologique des liquides written by Ibtissam Courti and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: De nos jours, la sécurité sanitaire est au centre des préoccupations des acteurs socio-économiques. L'un des problèmes sanitaires émergeant est la libération des bactéries pathogènes et résistantes aux antibiotiques dans l'environnement aquatique. Les décharges plasma à la pression atmosphérique sont d'un grand intérêt pour de nombreuses applications. L'une de ces applications est la décontamination microbiologie des liquides. Les travaux développés dans cette thèse participent à mieux appréhender l'intérêt du plasma pour la décontamination microbiologie de liquides et pour la dégradation des gènes de résistance aux antibiotiques. La source utilisée est un multi-jets plasma généré à partir d'un mélange hélium-oxygène à la pression atmosphérique. Différents diagnostics ont été réalisés pour la caractérisation de la décharge plasma. Les mesures de courant et de tension réalisées nous ont permis de déterminer l'énergie du plasma. La spectroscopie d'émission optique mise en oeuvre nous a permis de mettre en évidence et d'identifier les espèces réactives de l'oxygène et de l'azote (RONS) dans le plasma. La création des RONS tels que le peroxyde d'hydrogène, les nitrites et les nitrates dans le liquide modifie la chimie du liquide. Dans ce contexte nous avons quantifié la production de ces espèces dans le liquide. L'interaction plasma-bactérie pour la décontamination microbiologie des liquides a été évaluée à travers trois études distinctes. La première consiste à comprendre l'influence de la phase de croissance des bactéries sur l'efficacité du procédé de décontamination par plasma. Nous avons montré que les bactéries en phase exponentielle sont plus sensibles au traitement plasma que les bactéries issues de la phase stationnaire. De plus, les cellules en phase exponentielle sont plus susceptibles de réduire leur activité métabolique en passant à l'état de bactéries viables mais non-cultivables (VBNC) après un court temps d'exposition au plasma tandis que celles en phase stationnaire acceptent un temps plus long d'exposition au plasma avant d'entrer dans cet état. Pour mieux appréhender les raisons qui peuvent expliquer ces différences, nous avons évalué l'effet du plasma sur l'intégrité de la membrane cellulaire et de l'ADN. Dans la seconde étude, nous avons évalué l'effet de la présence du plasmide sur la sensibilité des bactéries au traitement par plasma. Cette étude a révélé que les bactéries portant un plasmide sont plus sensibles au plasma que celles qui en sont dépourvues. Les bactéries soumises à une intégration de plasmide ont subi plus de dommages membranaires et un taux de ROS intracellulaires plus élevé après exposition au plasma. Nous suggérons que la présence de plasmides présente des inconvénients pour les bactéries en diminuant leur croissance et en imposant un état d'affaiblissement. La dernière étude consiste à évaluer l'effet du plasma sur la dégradation des gènes de résistance aux antibiotiques et sur la réduction des mécanismes de transfert horizontal des gènes (HGT) entre les bactéries donneuses traitées par plasma et celles réceptrices non traitées par plasma. Nous avons démontré que le plasma réduit le nombre de cellules donneuses, ce qui par conséquent diminue la fréquence de transfert conjugatif. Nous avons également conclu que le transfert de plasmides pouvait se produire chez les bactéries VBNC. Toutefois, la prolongation du temps d'exposition entraîne une inhibition de HGT. Bien que le plasma semble être une solution pour la décontamination des liquides et la dégradation des gènes de résistance aux antibiotiques, il serait pertinent de réaliser des études intégrant des conditions qui se rapprochent de l'environnement réel avec la présence de matière organique et en augmentant le volume du liquide traitement.
Book Synopsis Plasma Technology for Hyperfunctional Surfaces by : Hubert Rauscher
Download or read book Plasma Technology for Hyperfunctional Surfaces written by Hubert Rauscher and published by John Wiley & Sons. This book was released on 2010-04-16 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a project backed by the European Union, this is a must-have resource for researchers in industry and academia concerned with application-oriented plasma technology research. Clearly divided in three sections, the first part is dedicated to the fundamentals of plasma and offers information about scientific and theoretical plasma topics, plasma production, surface treatment process and characterization. The second section focuses on technological aspects and plasma process applications in textile, food packaging and biomedical sectors, while the final part is devoted to concerns about the environmental sustainability of plasma processes.
Book Synopsis Cold Atmospheric Plasmas: Their Use In Biology And Medicine by : Spencer P Kuo
Download or read book Cold Atmospheric Plasmas: Their Use In Biology And Medicine written by Spencer P Kuo and published by World Scientific. This book was released on 2019-01-25 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cold atmospheric plasma (CAP) generators have been actively developed as a new device for medical treatment. The applications of plasma treatment include 1) disinfection, sterilization, and decontamination, which inactivates or kills bacteria, fungi, viruses and spores; 2) bleeding control, which coagulates blood swiftly; 3) wound healing, which shortens the healing period and benefits the regeneration of the epithelization of tissue to avoid scar formation; etc.Biomedical applications of CAPs are explored via either in-vitro assays, or in-vivo tests using pigs as animal models; tests include sterilization of oral pathogens and biofilm, decontamination of biological warfare agent, blood clotting and rapid control of active life-threatening hemorrhage, and post-operative observation of wound healing after plasma treatment. The conventional approaches in each application are first introduced, then the advantages of plasma treatments are discussed and demonstrated by the test results. The mechanisms of CAPs' biocidal effect, blood clotting effect, and wound healing effect are presented and discussed.
Book Synopsis Stress Analysis in Atmospheric Plasma Spraying by Submodelling Technique by : Venancio Martínez García
Download or read book Stress Analysis in Atmospheric Plasma Spraying by Submodelling Technique written by Venancio Martínez García and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plasma for Bio-Decontamination, Medicine and Food Security by : Zdenko Machala
Download or read book Plasma for Bio-Decontamination, Medicine and Food Security written by Zdenko Machala and published by Springer Science & Business Media. This book was released on 2012-02-03 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-thermal (cold) plasmas at atmospheric pressure have recently found many breakthrough applications in biology, medicine, and food security. Plasmas can efficiently kill bacteria, yeasts, moulds, spores, biofilms and other hazardous microorganisms, including potential bio-terrorism agents. They can be employed for bio-decontamination and sterilization of surfaces, medical instruments, water, air, food, even of living tissues without causing their damage. Direct or indirect plasma interaction with living cells of microorganisms or even humans enables novel bio-medical applications, e.g. treatment of skin diseases and ulcers. Plasma-enhanced blood coagulation coupled with its antiseptic properties proved success in wound healing and opens new possibilities in surgery, emergency medicine and military applications. Plasma treatment allows cell manipulations, their removal and targeted transfer into the injured area, which can accelerate wound healing. Plasma induced apoptosis (programmed cell death) of tumor cells brings forth a great potential for cancer treatment. Besides, plasma enables painless treatment of dental caries, root canal disinfection, and other dentistry applications. This book is a selection of reviewed manuscripts issuing from the NATO Advanced Research Workshop Plasma for bio-decontamination, medicine and food security held in Jasná, Slovakia, on 15-18 March 2011. It provides a comprehensive overview of the current knowledge and research activities focused at the plasma applications in areas such as bio-decontamination, water chemistry, effects on cells; biofilm inactivation, UV sterilization, and medicine, especially tissue treatment and wound healing, as well as dentistry and food security.
Book Synopsis Advanced Plasma Spray Applications by : Hamidreza Salimi Jazi
Download or read book Advanced Plasma Spray Applications written by Hamidreza Salimi Jazi and published by BoD – Books on Demand. This book was released on 2012-03-21 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, plasma spray has been received a large number of attentions for various type of applications due to the nature of the plasma plume and deposition structure. The plasma gas generated by the arc, consists of free electrons, ionized atoms, some neutral atoms, and undissociated diatomic molecules. The temperature of the core of the plasma jet may exceed up to 30,000 K. Gas velocity in the plasma spray torch can be varied from subsonic to supersonic using converging-diverging nozzles. Heat transfer in the plasma jet is primarily the result of the recombination of the ions and re-association of atoms in diatomic gases on the powder surfaces and absorption of radiation. Taking advantages of the plasma plume atmosphere, plasma spray can be used for surface modification and treatment, especially for activation of polymer surfaces. I addition, plasma spray can be used to deposit nanostructures as well as advanced coating structures for new applications in wear and corrosion resistance. Some state-of-the-art studies of advanced applications of plasma spraying such as nanostructure coatings, surface modifications, biomaterial deposition, and anti wear and corrosion coatings are presented in this book.
Book Synopsis Plasma Deposition, Treatment, and Etching of Polymers by : Riccardo d'Agostino
Download or read book Plasma Deposition, Treatment, and Etching of Polymers written by Riccardo d'Agostino and published by Elsevier. This book was released on 2012-12-02 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma Deposition, Treatment, and Etching of Polymers takes a broad look at the basic principles, the chemical processes, and the diagnostic procedures in the interaction of plasmas with polymer surfaces. This recent technology has yielded a large class of new materials offering many applications, including their use as coatings for chemical fibers and films. Additional applications include uses for the passivation of metals, the surface hardening of tools, increased biocompatibility of biomedical materials, chemical and physical sensors, and a variety of micro- and optoelectronic devices. - Appeals to a broad range of industries from microelectronics to space technology - Discusses a wide array of new uses for plasma polymers - Provides a tutorial introduction to the field - Surveys various classes of plasma polymers, their chemical and morphological properties, effects of plasma process parameters on the growth and structure of these synthetic materials, and techniques for characterization - Interests scientists, engineers, and students alike
Book Synopsis Plasma Surface Modification and Plasma Polymerization by : Norihiro Inagaki
Download or read book Plasma Surface Modification and Plasma Polymerization written by Norihiro Inagaki and published by CRC Press. This book was released on 2014-07-22 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: In current materials R&D, high priority is given to surface modification techniques to achieve improved surface properties for specific applications requirements. Plasma treatment and polymerization are important technologies for this purpose. This book provides a basic and thorough presentation of this subject. This is probably the first book
Book Synopsis Advanced Plasma Spray Applications by : Hamidreza Salimi Jazi
Download or read book Advanced Plasma Spray Applications written by Hamidreza Salimi Jazi and published by . This book was released on 2012 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, plasma spray has been received a large number of attentions for various type of applications due to the nature of the plasma plume and deposition structure. The plasma gas generated by the arc, consists of free electrons, ionized atoms, some neutral atoms, and undissociated diatomic molecules. The temperature of the core of the plasma jet may exceed up to 30,000 K. Gas velocity in the plasma spray torch can be varied from subsonic to supersonic using converging-diverging nozzles. Heat transfer in the plasma jet is primarily the result of the recombination of the ions and re-association of atoms in diatomic gases on the powder surfaces and absorption of radiation. Taking advantages of the plasma plume atmosphere, plasma spray can be used for surface modification and treatment, especially for activation of polymer surfaces. I addition, plasma spray can be used to deposit nanostructures as well as advanced coating structures for new applications in wear and corrosion resistance. Some state-of-the-art studies of advanced applications of plasma spraying such as nanostructure coatings, surface modifications, biomaterial deposition, and anti wear and corrosion coatings are presented in this book.
Book Synopsis Plasma Electronics by : Toshiaki Makabe
Download or read book Plasma Electronics written by Toshiaki Makabe and published by CRC Press. This book was released on 2006-03-27 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Without plasma processing techniques, recent advances in microelectronics fabrication would not have been possible. But beyond simply enabling new capabilities, plasma-based techniques hold the potential to enhance and improve many processes and applications. They are viable over a wide range of size and time scales, and can be used for deposition, etching, and even process monitoring and diagnosis. Plasma Electronics: Applications in Microelectronic Device Fabrication explains the fundamental physics and numerical methods necessary to bring these technologies from the laboratory to the factory. Beginning with an overview of the basic characteristics and applications of low-temperature plasma, preeminent experts Makabe and Petrovic explore the physics underlying the complex behavior of non-equilibrium (or low temperature) plasma. They discuss charged particle transport in general and in detail as well as macroscopic plasma characteristics and elementary processes in gas phase and on surfaces. After laying this groundwork, the book examines state-of-the-art computational methods for modeling plasma and reviews various important applications including inductively and capacitively coupled plasma, magnetically enhanced plasma, and various processing techniques, while numerous problems and worked examples reinforce the concepts. Uniquely combining physics, numerical methods, and practical applications, Plasma Electronics: Applications in Microelectronic Device Fabrication equips you with the knowledge necessary to scale up lab bench breakthroughs into industrial innovations.
