Tesis sobre el tema "Monolithics"
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Sachse, Alexander. "Synthèses de microréacteurs à base de monolithes siliciques et zéolithiques à porosité hiérarchique pour le développement de la catalyse en flux". Thesis, Montpellier, Ecole nationale supérieure de chimie, 2011. http://www.theses.fr/2011ENCM0006/document.
Texto completoThe aim of this work is the synthesis and the functionalization of silica monoliths with hierarchical porosity and their use as catalytic microreactors for flow-through chemistry. A reproducible synthesis of the silica monoliths was elaborated. The functionalization with a variety of functions has been performed, such as aminopropyl groups, aluminium oxide, MOFs (CuBTC), and palladium nanoparticles. These functionalized silica monoliths have been used for the Knoevenagel condensation, Diels-Alder reaction and Fiedländer reaction, where they show increasing productivities compared to classically used reactors (batch, packed-bed) and enable process automation. The pseudomorphic transformation of silica monoliths in zeolite monoliths in the SOD and LTA phase has been elaborated. We have preformed the first implementation of a macroporous zeolite monolith as microreactor for the fine chemical production in flow continuous conditions. The zeolite monoliths have been tested for dynamic ion exchange and are promising materials for the use as decontaminants of radioactive discharges
Månsdotter, Matilda. "Monolithic Living". Thesis, KTH, Arkitektur, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-223636.
Texto completoArnold, Peter Thomas. "A monolithic biosensor". Thesis, University of Cambridge, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307060.
Texto completoRabjohn, Gordon G. (Gordon Glen) Carleton University Dissertation Engineering Electrical. "Monolithic microwave transformers". Ottawa, 1991.
Buscar texto completoPereira, Carlos M. y Craig D. Sandberg. "MONOLITHIC MINIATURIZED TELEMETRY SYSTEM". International Foundation for Telemetering, 1993. http://hdl.handle.net/10150/608867.
Texto completoThis paper describes developments in miniature, high shock telemetry at ARDEC using monolithic millimeter wave integrated circuit (MMIC) technology. Telemetry systems using this technology have been fabricated and gun tested at 60,000 g's with excellent results. Efforts to develop rugged telemetry systems to support testing at very high "G" levels have been underway since 1984. The initial effort was targeted at developing rugged telemetry instrumentation to engineer high performance munitions such as the 105mm and the 120mm Armor Piercing Fin Stabilized Discarding Sabot (APFSDS) which produce very high in-bore accelerations. The initial result demonstrated circuit stability and operation during very high accelerations (60,000 g's). A second phase was launched to develop a telemetry system consisting of an FM multiplex, a summing amplifier and a transmitter. These efforts demonstrated that telemetry data could be transmitted during acceleration thrust, through the ionized gases and could provide the real time projectile performance data. This paper presents the results of the work done to date and the potential for broad application in families of high performance munitions systems throughout the testing community.
Said, Bilel. "Elaboration de monolithes zéolithiques à porosité hiérarchique pour le piégeage des ions strontium et césium en flux continu". Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS079/document.
Texto completoThe aim of this thesis is the implementation of monolithic materials with hierarchical porosity for trapping strontium and caesium ions from nuclear wastewater in continuous flow. LTA and FAU-X zeolites are known to selectively trap these cations, respectively. This work is focused on the materials synthesis and their application in cation-exchange. We first optimized the synthesis of silica monoliths with hierarchical porosity meso-/macroporous that constitute our starting material and which have excellent mass-transfer properties. Then, we developed the synthesis of zeolite monoliths by pseudomorphic transformation of silica monoliths. Aging and crystallization times and temperatures were studied to follow and control the processes of nucleation and crystal growth of the zeolites in the skeleton of the monoliths. Zeolite A monoliths with skeleton featuring 100 nm nanoparticles in the core and 400 nm in the shell were obtained, giving rise to LTA monoliths with trimodal hierarchical porosity (micro-/meso-/macropores). Mixed LTA/FAU zeolite monoliths featuring micro-/macropores were also synthesized. Pure FAU-X monoliths were obtained, but were very fragile and crushed. Na-LTA and Na-LTA/FAU monoliths were used in cation-exchange in continuous flow processes to capture from aqueous solutions Sr2+ and simultaneously Cs+ and Sr2+, respectively. LTA monoliths with trimodal hierarchical porosity have shown outstanding performance for the capture of Sr2+ with almost ideal breakthrough curves. The addition of mesoporosity in LTA monoliths has enabled faster access to the exchange sites of the zeolite and has allowed to increase the flow rate of the process. First results obtained with LTA/FAU monoliths for simultaneous Sr2+/Cs+ capture are encouraging and must be improved by adding mesoporosity in these monoliths to increase their cation-exchange rate to be used in rapid continuous flow processes
Yakimov, Audrey-Olga. "Processing of fibrous monolithic ceramics". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0020/NQ45653.pdf.
Texto completoDhirhe, Devnath. "Monolithic tuneable quantum cascade lasers". Thesis, University of Glasgow, 2013. http://theses.gla.ac.uk/4604/.
Texto completoLi, Yuan-Yao. "Air separation with monolithic adsorbents". Thesis, University of Bath, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242787.
Texto completoSebag, J., W. Gressler, M. Liang, D. Neill, C. Araujo-Hauck, J. Andrew, G. Angeli et al. "LSST primary/tertiary monolithic mirror". SPIE-INT SOC OPTICAL ENGINEERING, 2016. http://hdl.handle.net/10150/622513.
Texto completoSUN, JING. "THREE-DIMENSIONAL MONOLITHIC MEMS COIL". University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1067624824.
Texto completoSandhu, Muhammad Yameen. "Monolithic integrated ceramic waveguide filters". Thesis, University of Leeds, 2014. http://etheses.whiterose.ac.uk/7489/.
Texto completoÖjefors, Erik. "Integrated Antennas : Monolithic and Hybrid Approaches". Doctoral thesis, Uppsala University, Department of Engineering Sciences, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7142.
Texto completoThis thesis considers integration of antennas and active electronics manufactured on the same substrate. The main topic is on-chip antennas for commercial silicon processes, but hybrid integration using printed circuit board technology is also addressed.
The possible use of micromachining techniques as a means of reducing substrate losses of antennas manufactured on low resistivity silicon wafers is investigated. Compact dipole, loop, and inverted-F antennas for the 20-40 GHz frequency range are designed, implemented, and characterized. The results show significantly improved antenna efficiency when micromachining is used as a post-processing step for on-chip antennas manufactured in silicon technology.
High resistivity wafers are used in a commercial silicon germanium technology to improve the efficiency of dipole antennas realized using the available circuit metal layers in the process. Monolithically integrated 24 GHz receivers with on-chip antennas are designed and evaluated with regard to antenna and system performance. No noticeable degradation of the receiver performance caused by cross talk between the antenna and the integrated circuit is observed.
For low frequency antenna arrays, such as base station antennas, hybrid integration of active devices within the antenna aperture is treated. A compact varactor based phase shifter for traveling wave antenna applications is proposed and evaluated. Electrically steerable traveling wave patch antenna arrays, with the phase shifters implemented in the same conductor layer as the radiating elements, are designed and manufactured in microstrip technology. It is experimentally verified that the radiation from the feed network and phase shifters in the proposed antenna configuration is small.
Öjefors, Erik. "Integrated antennas : monolithic and hybrid approaches /". Uppsala : Acta Universitatis Upsaliensis, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7142.
Texto completoFurst, Sandor. "Monolithic integration of semiconductor ring lasers". Thesis, University of Glasgow, 2008. http://theses.gla.ac.uk/447/.
Texto completoLohith, Penmetsa Neela. "Monolithic 3D integration of asynchronous systems". Thesis, Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53113.
Texto completoTayrani, R. "GaAs monolithic control devices and circuits". Thesis, University of Kent, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376796.
Texto completoLoga, Rodney Izzat. "HBT/DHBTs for monolithic optoelectronic interfaces". Thesis, King's College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268719.
Texto completoFerguson, D., D. Meyers, P. Gemmill y C. Pereira. "A MONOLITHIC HIGH-G TELEMETRY TRANSMITTER". International Foundation for Telemetering, 1990. http://hdl.handle.net/10150/613752.
Texto completoInstrumentation for taking dynamic in-bore measurements during high accelerations typically has been limited to accelerations under 20,000 g’s. In munition development and testing, there is a need for telemetry instrumentation that can relay dynamic performance data at 100,000 g’s. This paper describes the development and testing of a stable, regulated, telemetry transmitter that has been successfully tested to 67,400 g’s.
Fernandes, Telma Godinho Barroso Maciel. "Functional monolithic platforms for antibody purification". Doctoral thesis, Faculdade de Ciências e Tecnologia, 2014. http://hdl.handle.net/10362/11550.
Texto completoFundação para a Ciência e Tecnologia - contracts PEst-C/EQB/LA0006/2011, MIT-Pt/BS-CTRM/0051/2008, PTDC/EBB-BIO/102163/2008, PTDC/EBBBIO/ 098961/2008, PTDC/EBB-BIO/118317/2010 and doctoral grant SFRH/ BD/62475/2009, and Fundação Calouste Gulbenkian
Owen, Mark. "Monolithic integration of optical space switches". Thesis, University of Bristol, 1998. http://hdl.handle.net/1983/24cce4d9-04e1-4363-843b-c0e24f547dea.
Texto completoLuo, Jiafu Psaltis Demetri. "Monolithic GaAs VLSI optoelectronic neuron arrays /". Diss., Pasadena, Calif. : California Institute of Technology, 1996. http://resolver.caltech.edu/CaltechETD:etd-05012006-124513.
Texto completoMcGee, Jonathan Adam. "Monolithic in-plane tunable optical filter". College Park, Md.: University of Maryland, 2008. http://hdl.handle.net/1903/8566.
Texto completoThesis research directed by: Dept. of Electrical and Computer Engineering . Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Rosenberg, Glenn Alan 1960. "Monolithic series connected solar cell array". Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/276950.
Texto completoDel'Haye, Pascal. "Optical Frequency Comb Generation in Monolithic Microresonators". Diss., lmu, 2011. http://nbn-resolving.de/urn:nbn:de:bvb:19-130491.
Texto completoElSayed, Ayman M. A. "Monolithic RF frequency synthesis for wireless communications". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0024/NQ51193.pdf.
Texto completoEeltink, Sebastiaan. "Packed and monolithic capillary columns for LC". [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2005. http://dare.uva.nl/document/79351.
Texto completoMunné, Vicente. "Monolithic structures formed from alumina hollow microspheres". Thesis, Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/8636.
Texto completoAga, Arshan. "Monolithic reconstruction filters for delta-sigma applications". Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31042.
Texto completoThe functionality of the design-far-testability circuitry incorporated in the active-RC filter will be validated experimentally. In addition, the current steering semidigital approach to designing reconstruction filters will be validated and the various pros and cons of such an approach will be examined.
Dudek, Frank. "Investigation of monolithic transconductor-capacitor video-filters". Thesis, Staffordshire University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285307.
Texto completoPanth, Shreepad Amar. "Physical design methodologies for monolithic 3D ICs". Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53542.
Texto completoElgaid, Khaled Ibrahim. "A Ka-Band GaAs MESFET monolithic downconverter". Thesis, University of Glasgow, 1998. http://theses.gla.ac.uk/1730/.
Texto completoYu, Zhengbo. "Monolithic and composite Li-#alpha#-sialon ceramics". Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324806.
Texto completoFirth, Benjamin. "Biodiesel production in fixed-bed monolithic reactors". Thesis, University of Bath, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619245.
Texto completoGoswami, Sushmit. "Monolithic RF frontends for ubiquitous wireless connectivity". Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/87920.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references (pages 137-144).
The desire for ubiquitous connectivity is pushing radios towards highly-integrated, multi-standard and multi-band implementations. This thesis explores architectures for next-generation RF frontends, which form the interface between the RF transceiver and antenna. RF frontend performance has important implications for the energy efficiency, frequency range and sensitivity of the radio. Ubiquitous connectivity requires bringing online previously unconnected, closed-circuit systems. Case in point, the recently ratified 802.11p standard targets wireless access in vehicular environments. The first part of this thesis presents an RF frontend for 802.11p applications. Gallium Nitride is used as an enabling technology platform for monolithic integration of high-power RF functions. A number of architectural techniques are proposed to enhance energy efficiency. Even in relatively mature use cases like smartphones, significant evolution is needed to address future needs. Emerging wireless standards specify dozens of bands covering several octaves for worldwide connectivity, which need to be supported with a single device. However, in current multi-band radio implementations, significant redundancy is still the norm in the RF frontend. In the second part of this thesis, an improved architecture for multi-band, time-division duplexed radios is introduced, which replaces multiple narrowband frontends with a frequency-agile solution, tunable over a wide frequency range. A highly digital architecture is adopted, leading to a fully integrated solution wherein both efficiency and achievable frequency range benefit from CMOS scaling.
by Sushmit Goswami.
Ph. D.
Madsen, John (John David) Carleton University Dissertation Engineering Electrical. "Analysis of monolithic, fractional-n frequency synthesizers". Ottawa, 1992.
Buscar texto completoZah, Chung-en Rutledge David B. "Millimeter-wave monolithic Schottky diode imaging arrays /". Diss., Pasadena, Calif. : California Institute of Technology, 1986. http://resolver.caltech.edu/CaltechETD:etd-03112008-080410.
Texto completoDe, Lisio Michael Peter Rutledge David B. Rutledge David B. "Hybrid and monolithic active quasi-optical grids /". Diss., Pasadena, Calif. : California Institute of Technology, 1996. http://resolver.caltech.edu/CaltechETD:etd-12132007-090419.
Texto completoKelly, Daniel P. "Monolithic suspended optical waveguides for InP MOEMS". College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/2941.
Texto completoThesis research directed by: Dept. of Electrical and Computer Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Hofmann, Peter. "Monolithic Soft Glass Single Frequency Fiber Lasers". Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/268515.
Texto completoAkande, Wuraola. "Macroporous monolithic cryogels for extracorporeal medical devices". Thesis, University of Brighton, 2012. https://research.brighton.ac.uk/en/studentTheses/edee7477-1e0f-468c-aa28-ce649d2a1675.
Texto completoWeimer, Steven M. "Monoliths, an orchestral work". University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1399624092.
Texto completoTopalli, Kagan. "A Monolithic Phased Array Using Rf Mems Technology". Phd thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/2/12608436/index.pdf.
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2.1 mm. The performance of the phase shifters is improved using high-Q metal-air-metal capacitors in addition to MEMS switches as loading elements on a high-impedance coplanar waveguide transmission line. The phased array is fabricated monolithically using an in-house surface micromachining process, where a 1.2-&
#61549
m thick gold structural layer is placed on a 500-µ
m thick glass substrate with a capacitive gap of 2 &
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m. The fabrication process is simple, requires only 6 masks, and allows the implementation of various RF MEMS components on the same substrate, such as RF MEMS switches and phase shifters. The fabricated monolithic phased array occupies an area of only 6 cm &
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5 cm. The measurement results show that the phase shifter can provide nearly 20&
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/50&
#61616
/95&
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phase shifts and their eight combinations at the expense of 1.5 dB average insertion loss at 15 GHz. The phase shifters can be actuated with 16 V, while dissipating negligible power due to its capacitive operation. It is also shown by measurements that the main beam can be steered to 4&
#61616
and 14&
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by suitable settings of the RF MEMS phase shifters.
Flygare, Robin y Anthon Holmqvist. "Performance characteristics between monolithic and microservice-based systems". Thesis, Blekinge Tekniska Högskola, Institutionen för programvaruteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-14888.
Texto completoMacedo, José A. "Monolithic silicon receiver front-ends for portable radio". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0004/NQ32343.pdf.
Texto completoDanesh, Mina. "Monolithic inductors for silicon radio frequency integrated circuits". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0007/MQ45607.pdf.
Texto completoHafez, Amr N. "Low-noise monolithic frequency synthesizers for wireless transceivers". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0023/NQ51200.pdf.
Texto completoMalmqvist, Robert. "Tuneable recursive active monolithic microwave integrated circuit filters /". Linköping : Univ, 2001. http://www.bibl.liu.se/liupubl/disp/disp2001/tek698s.pdf.
Texto completoEriksson, Urban. "Technologies for monolithic indium phosphide optoelectronic integrated circuits /". Stockholm, 1999. http://www.lib.kth.se/abs99/erik0623.pdf.
Texto completoMokhtari, Mehran. "High frequency monolithic integrated circuits for communication systems /". Stockholm, 1998. http://www.lib.kth.se/abs98/mokh1218.pdf.
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