Relevant bibliographies by topics / Dupex

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Dupex'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Dupex"

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Vucaj-Cirilovic, Viktorija, Olivera Nikolic, Kosta Petrovic, Mira Govorcin, Dusan Hadnadjev, and Sanja Stojanovic. "Basic characteristics of duplexsonographyin the assessment of lower limb arterial circulation." Medical review 59, no. 5-6 (2006): 287–90. http://dx.doi.org/10.2298/mpns0606287v.

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Introduction. Dulpex and color duplex ultrasonography of lower limb arteries are valuable non-invasive diagnostic methods in the pathology of vascular diseases and a major step in diagnostics and in follow-up of hemodynamic and morphologic characteristics. Color Duplex Sonography. The method consists of image analysis and analysis of Doppler information. Real-time-B mode is used to visualize the anatomy of blood vessels and other pathological lesions. Doppler information based on the Doppler effect determine the pulse wave i.e. the shape of flow velocity - hemodynamic characteristics. Spectral analysis is the most important element ofDoppler examination of the lower limb peripheral arteries. Based on the spectral analysis, there are four stages of lower limb arterial disease: normal findings - 1%-19% diameter reduction; medium stenosis - artery diameter reduction of 20%-49%; high level stenosis - artery diameter reduction of 50%-100%; occlusion - no flow detected within the imaged arterial segment. In the first place, both iliac arteries are examined, which is followed with femoral, popliteal and crural arteries. The examination of iliac arteries is carried out with a 3.5 MHz transducer, and other peripheral arteries of the lower limbs are examined with a 7,5 or 5 MHz transducer. Conclusion. Color Doppler is an extremely valuable diagnostic method in detecting pathology of the lower limb arteries. With high reliability level arterial insufficiency and pathological arterial segments are diagnosed by a duplex-Doppler. .
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KIRAN, Rebiay, Evren ODYAKMAZ DEMİRSOY, Ufuk GÜLEÇ, and Aysun ŞİKAR AKTÜRK. "Bilateral Herpes Zoster Dupleks." Turkiye Klinikleri Journal of Dermatology 27, no. 3 (2017): 128–30. http://dx.doi.org/10.5336/dermato.2017-56484.

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Yang, Hyun Jong. "Survey on MIMO Full-Duplex." Journal of Korean Institute of Communications and Information Sciences 40, no. 7 (July 31, 2015): 1286–92. http://dx.doi.org/10.7840/kics.2015.40.7.1286.

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K R, Ashok, Rohini K R, and Kiran T V. "Horseshoe Kidney with Bilateral Duplex Ureters." Academia Anatomica International 5, no. 2 (October 6, 2019): 52–54. http://dx.doi.org/10.21276/aanat.2019.5.2.14.

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Kim, Young-Min, and In-Hyuk Moon. "DULEX, A Wearable Hand Rehabilitation Device for Stroke Survivals." Journal of Institute of Control, Robotics and Systems 16, no. 10 (October 1, 2010): 919–26. http://dx.doi.org/10.5302/j.icros.2010.16.10.919.

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Woo, Choong-Chae, and Hyung-Sik Ju. "Echo Cancellation in Relay Systems." Journal of IKEEE 16, no. 2 (June 30, 2012): 76–80. http://dx.doi.org/10.7471/ikeee.2012.16.2.076.

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Monecke, Stefanie, Judy McKinley Brewer, Stefanie Krug, and Eric L. Bittman. "Duper." Journal of Biological Rhythms 26, no. 4 (July 19, 2011): 283–92. http://dx.doi.org/10.1177/0748730411411569.

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Yao, Chao, Lingyang Song, and Yonghui Li. "X-Duplex Radios: Flexible Switching Between Full-Duplex and Half-Duplex." IEEE Wireless Communications Letters 7, no. 1 (February 2018): 94–97. http://dx.doi.org/10.1109/lwc.2017.2756052.

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Lee, Dong-Hyeon, Sun-Keun Lee, Hye-Jeong Kim, Sang-Hyun Lee, Sang-Yong Lee, and Jong-Kyu Lee. "A Duplex PCR for Detection of Phytophthora katsurae Causing Chestnut Ink Disease." Research in Plant Disease 18, no. 2 (June 30, 2012): 73–79. http://dx.doi.org/10.5423/rpd.2012.18.2.073.

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Karlsson, Leif. "Welding duplex and super duplex stainless steels." Anti-Corrosion Methods and Materials 42, no. 6 (June 1995): 30–35. http://dx.doi.org/10.1108/eb007380.

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Dissertations / Theses on the topic "Dupex"

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Fjeldstad, Erica, Madelene Svanbäck, and Julia Svensson. "MILJÖVÄNLIGT BYGGANDE I SKÅNE : Planering och utformning av en ekoby i Glimåkra." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-44779.

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The idea for this project is to design an eco-village on a property in Glimåkra in Skåne of southern Sweden, which is owned by the municipality of Östra Göinge. All of the designs in this eco-village would be built with materials that will benefit the environment and the people living there. This community would also have low energy consumption and will achieve the Miljöbyggnad Gold certification. Initially, a few eco-villages in Sweden were studied and reviewed in order to get more experience in the subject and to find inspiration. Three different types of housing units were chosen to be compared to one another to determine the two most efficient candidates.  Two townhouses, two duplexes, and two villas were designed. One of each type was a simple and square compact design while the other was a more aesthetic shaped design. While reviewing the energy consumption calculations, the aesthetically designed duplex and the aesthetically designed townhouse proved to consume smaller amounts of energy than the remaining building designs. These two designs consumed smaller amounts of energy to heat the buildings and provided additional space for solar cells. The compact duplex design ended up being the only design to be able to achieve the Miljöbyggnad Gold certification, but the energy consumption of the building did not compete with the aforementioned designs. The exterior materials to be used were chosen because of their low ecological impact and how well they blend with the surroundings. The comparisons of three different types of buildings with two different designs of each helps highlight the many factors that affect the efficiency and sustainability of a building. After studying and comparing many real-world examples of energy efficient housing with these theoretical designs, the aesthetically designed duplex and townhouse will be the best performing floor plans for the eco-village in Glimåkra, Skåne.
Detta examensarbete har gått ut på att planera en ekoby i Skåne. En situationsplan innehållande radhus och parhus har tagits fram med diverse vägar, grönska och gemensamma byggnader. Arbetets övergripande syfte är att uppmärksamma ekobyar och dess miljövänliga ekohus. Det är beräkningar, modellering, extern och intern handledning samt diskussioner kring energi, miljöbyggnad och estetik som genomsyrat arbetet. För att nå ett resultat dras kopplingar från tidigare forskning och publiceringar med detta arbete. Litteraturstudien innehåller certifieringssystemet Miljöbyggnad, där betygskriterierna för Guld är det som arbetet har strävat mot för byggnaderna som modellerades. I Miljöbyggnad finns även nivåerna Brons och Silver, men om någon av indikatorerna ger nivå Brons är det inte möjligt att uppnå Guld som slutgiltig nivå. En av två studerade fasadmaterial valdes till byggnaderna i ekobyn och trä valdes på grund av dess fördelar och användningsgrad i området. Den uppvärmningskälla som studerades var pelletspanna och vid valet av elkälla genomfördes en kritisk granskning av solceller samt en mer grundläggande faktainsamling av direktverkande el. Genom platsbesök, ritningar och kartor samt diskussion och revidering modellerades två utformningar av parhus, radhus och villa. Det blev tre kompakta byggnader och tre mer estetiskt utformade och dessa modellerades i Autodesk Revit. Beräkningar genomfördes både manuellt och digitalt och hjälpmedel som formler, tabeller och antagna värden användes. Parhus Estetisk och Radhus Estetisk valdes ut för att placeras i ekobyn. Dessa valdes ut på grund av dess energiförbrukning, antal bostäder och dess estetik. Parhus Estetisk på 113m² och Radhus Estetisk på 114m² hade en total energianvändning per år på 10 500 kWh respektive 10 100 kWh, där ingår uppvärmning, tappvarmvatten och hushållsel. Det får plats 20 bostäder och 80 personer för den valda situationsplanen. Utifrån beräkning och simulering resulterade parhuset och radhuset i den slutgiltiga nivån Silver. Slutsatserna av detta arbete var att det var svårare än tänkt att uppfylla betygskriterierna för Guld i certifieringen Miljöbyggnad, endast Parhus Kompakt nådde nivån Guld. De valda byggnaderna i ekobyn var de bästa alternativen och en övergripande slutsats var att arbetet blev mer som ett förarbete som måste tas vid och utvecklas.
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Tate, William R. "Full-duplex underwater networking." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03sep%5FTate.pdf.

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Chen, Lu. "Full Duplex Relay Clusters." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1562411023502331.

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Almradi, Ahmed Mohamed Ahmed. "Design and analysis of MIMO cooperative relaying systems." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/design-and-analysis-of-mimo-cooperative-relaying-systems(07eae61a-0990-41a6-a988-46652e2cced0).html.

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Cooperative relaying techniques have recently received significant interests from both academia and industry due to their ability to provide spatial diversity to address the ever increasing demand for extended network coverage, higher data rates without sacrificing extra power resources, greater mobility and enhanced reliability. This thesis mainly considers two themes. Firstly, in the context of self-powered multiple-input-multiple-output (MIMO) full-duplex (FD) relaying, our research focuses on design and performance analysis of MIMO FD relaying systems in the presence of practical transmission impairments. Namely, the impact of spatial fading correlation, imperfect channel state information (CSI), loopback self-interference (LI), and co-channel interference (CCI) on the system performance are investigated. Secondly, in the context of wirelessly-powered MIMO HD relaying, our research focuses on energy beamforming which is used to maximize the overall harvested energy so as to enable longer-distance wireless power transfer when compared to the single antenna nodes. Namely, in the presence of MIMO relaying systems, hop-by-hop information and energy beamforming is proposed where the transmitted signal is steered along the strongest eigenmode of each hop. The wirelessly powered relay scavenge energy from the source information radio-frequency (RF) signal through energy beamforming, where both the time-switching receiver (TSR) and power-splitting receiver (PSR) are considered, then uses the harvested energy to forward the source message to the destination. Our research focuses on developing a comprehensive analytical framework for deriving new closed-form expressions for the outage probability and ergodic capacity for amplify-and-forward (AF) relaying systems, including simpler tight bounds and asymptotic high signal-to-noise (SNR) ratio analysis. First, the optimization problem for the design of source, relay, and destination precoding and/or decoding weight vectors which maximizes the overall signal-to-interference-plus-noise ratio (SINR) is formulated. Then, in order to get closed-form precoding and decoding weight vectors, a sub-optimal solution based on null space projection designed to completely suppress the LI and/or CCI is proposed, through which a closed-form overall SINR is presented. Simulation results show the exactness and tightness of the proposed exact and bound analytical expressions, respectively.
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Drewe, L. J. "Probing strategies for duplex DNA." Thesis, University of Cambridge, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.598653.

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Two main approaches have been adopted for the specific detection of the duplex PCR amplicon. The first investigates the potential of denaturing the amplicon so that the resulting single-strand DNA can be applied to the biosensor interface derived with a DNA probe. The work in this thesis validated such an approach using a model single-strand DNA target-probe system and demonstrated that the extent of hybridisation could be improved 3.5-fold by replacing the immobilised DNA with a peptide nucleic acid (PNA) probe of the same sequence. Hybridisation was not, however, demonstrated when the analyte consisted of denatured duplex DNA. The second approach investigated a novel method for detecting duplex PCR amplicons without their prior denaturation. By exploiting the charge properties of PNA this nucleic acid may be manipulated to strand invade duplex DNA at polypurine stretches within the target molecule. A method for the universal incorporation of polypurine motifs into any amplicon using a polypyrimidine rich 5'-tail on the specific PCR primer was adopted to both confer and control the location of strand invasion sites. PNA strand invasion of PCR amplicons generated in this manner was demonstrated both in solution and on the sensor surface and was generally observed within 10 minutes. The relative merits of adopting such an approach for the sensitive, rapid and specific detection and identification of microorganisms is critically discussed in context with alternative methods for detecting microorganisms and further DNA hybridisation formats.
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Pawlik, Aleksandra Karolina. "Duplex emulsions for healthy foods." Thesis, University of Birmingham, 2012. http://etheses.bham.ac.uk//id/eprint/3713/.

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Clear scientific links between major diseases and diet are the main reasons for a change in food processing technology and products. Duplex emulsions offer the possibility of reduction of the fat content, and also encapsulation of bio-components and their targeted delivery within the human body. In this work the formulation and production/processing of food grade W\(_1\)/O/W\(_2\) duplex emulsions were investigated in relation to emulsion’s stability. It was shown that when the osmotic pressures between the two water compartments in duplex W\(_1\)/O/W\(_2\) emulsions were balanced, there was still a release of salt in storage. The extent and rate of release was proportional to glucose concentration in the W\(_2\). Duplex emulsions are shear-sensitive and shear-intensive processing could lead to their considerable damage. By using three secondary emulsification techniques: Shirasu Porous Glass (SPG) cross-flow membranes, SPG rotating membrane and high-shear mixer, it was shown that the amount of salt released during storage depends on the emulsification technique. The SPG rotating membrane technique was used to investigate its emulsifying potential. Droplet sizes of simple O/W emulsions were independent of the dispersed phase volume, increasing with the viscosity of the continuous phase and size of the membrane pores. It was also shown that droplet size could be controlled by the concentration and properties of an emulsifier.
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Garfias-Mesias, Luis Francisco. "Pitting corrosion of duplex stainless steels." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318008.

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Ho, F. M. "Strand exchange for duplex DNA detection." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.604106.

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The phenomenon of strand exchange between an unlabelled double-stranded target oligonucleotide and a single-stranded, fluorophore labelled probe oliognucleotide was investigated. This behaviour was characterised using fluorescence resonance energy transfer (FRET). The individual fluorescence characteristics of the fluorophores the minor-groove binder Hoechst 33258 and the dye Oregon Green 488 were studied, as well as their properties in combination as a FRET pair. These dyes allowed the use of FRET for the study of duplex DNA without the need for covalently attaching two labels on the component strands. Two strategies were studied for the detection of a duplex target. Firstly, detection could be by monitoring the FRET process as a function of time, monitoring the fluorescence intensities at both the donor and acceptor emission peak wavelengths. Single base pair discrimination was achieved, with very high reproducibility, especially if ratiometric analysis of the emission signals was employed. The mechanism of this process was examined using mathematical modelling, and comparisons made with the experimental results. Secondly, an in-gel detection technique was investigated for the detection of the target duplex within a complex mixture. The target sequence was successfully detected from within the enzyme digestion products of plasmids extracted from cloned E. coli cells. This was performed directly from a polyacrylamide electrophoresis gel without the need for blotting, and was possible with or without polymerase chain reaction amplification. Multiplexing was also demonstrated using this in-gel strategy, giving simultaneous detection of two targets of different base sequences and lengths. Finally, the synthesis of an acceptor fluorophore labelled dendrimer was proposed. This opened up the prospect of exploiting the properties of the dendrimer to enhance the FRET signal upon strand exchange.
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Chen, Shixiang. "Division-free duplex for wireless applications." Thesis, University of Bristol, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361075.

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Hutchings, D. "Hydrogen embrittlement of duplex stainless steel." Thesis, University of Manchester, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.631722.

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Duplex stainless steels (DSS's) are frequently used in oil and gas production and are subsequently subjected to cathodic protection. There is now growing concern about the cathodic evolution of hydrogen produced from this protection system, which may diffuse into the alloy and cause an embrittled condition. DSS's have a microstructure that is a mixture of austenite and ferrite and combines the advantages of these grades, whilst minimising their deficiences. In this research, Zeron 100 DSS was studied in six conditions to investigate the effects of hydrogen embrittlement (HE) on the various strengths and microstructures. The six conditions wer~ as follows: as-received, cold worked, age-hardened (475°C embrittlement), high temperature heat treated, rod and powder. To simulate service environments, 3.5% wt NaCI solution at ambient temperature with an applied potential of -1.1 V (SCE) was used. The effect of pre-charging for up to 550 hours at 80°C was also investigated. Test methods included slow strain rate testing (SSRT), monitoring of transient crack propagation (TCP) using circumferentially notched tensile specimens using a DC potential drop method, acoustic emission CAE) and some conventional bolt loaded fracture mechanics specimens. Test results were correlated with the varying microstructures and environmental conditions and consisted of mechanical properties, threshold crack growth including transient effects and AE data. In this work transgranular cleavage cracks were obtained in the susceptible ferrite phase as a direct result of HE; the depth of these cracks implied a high hydrogen concentration throughout the specimen. The austenite failed by ductile tearing and acted as a physical barrier to the propagation of cleavage cracks. As a result of SSR testing the best material was found to be the powder material; the fine equally dispersed austenite phase caused a lowering of the effective K value. The worst material was the high temperature heat treated type because it contained more ferrite (11:1 72%). The age-hardened material was also susceptible because of the hard and brittle ex' phase. However, regardless of the environment the UTS remained virtua]]y unchanged for each individual material, indicating that most cracking occurred in the post-UTS stage of the test. With the TCP test a lowering of the fracture load was found when an HE environment was used; daldt vs Kq curves were produced, however the DC potential drop equipment could not accurately measure crack growth because of the bridging effect of the austenite phase. The most susceptible microstructures were again the age-hardened and heat treated types. The hydrogen evolution reaction (HER) was also investigated by creating a fresh surface on the as-received DSS and studying the changes in the HER. This work showed that the effect of scratching is irreversible. Also the oxide film can not be totaHy reduced electrochemica]]y and only mechanical methods can remove the oxide films entirely. Fina]]y a means of detecting "475°C embrittlement" of DSS's was investigated using an electrochemical technique in 5M HCI. i-E curves were produced which showed the reactivation of the ferrite and austenite phases in the as-received material. By age-hardening at 475°C the two reactivation peaks merged.
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Books on the topic "Dupex"

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Dartevelle, Alain. Duplex. France: Naturellement, 1999.

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Dupe! Burnaby, B.C: LINEbooks, 2010.

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Dupe. Bath [Avon] England: Chivers Press, 1985.

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Greenberger, David. Duplex planet. Boston: Faber and Faber, 1994.

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Götting, Jean-Claude. Le duplex. [France?]: Le Castor astral, 1994.

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Grant, Edward G., and E. Maureen White, eds. Duplex Sonography. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3750-1.

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The duplex. Kansas City [Mo.]: Andrews McMeel Pub., 1998.

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illustrator, Carter Abby, ed. Super-duper sandwich. New York, NY: Scholastic, 2003.

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Nicci French. Jeux de dupes. Paris: Pocket, 2007.

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Nicci French. Jeux de dupes. Paris: Ed. France loisirs, 2000.

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Book chapters on the topic "Dupex"

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Kremkau, Frederick W. "Technical Considerations, Equipment, and Physics of Duplex Sonography." In Duplex Sonography, 1–6. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3750-1_1.

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Grant, Edward G. "Duplex Sonography of the Cerebrovascular System." In Duplex Sonography, 7–68. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3750-1_2.

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Doherty, Frederick J., and Kevin P. McInerney. "Cardiac Doppler." In Duplex Sonography, 69–128. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3750-1_3.

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White, E. Maureen, and Peter L. Choyke. "Duplex Sonography of the Abdomen." In Duplex Sonography, 129–90. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3750-1_4.

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Hill, Michael C., Ian M. Lande, and John H. Grossman. "Duplex Evaluation of Fetoplacental and Uteroplacental Circulation." In Duplex Sonography, 191–209. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3750-1_5.

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Grant, Edward G. "Duplex Sonography of Peripheral Arteries." In Duplex Sonography, 211–37. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3750-1_6.

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White, E. Maureen. "Duplex Sonography of the Lower Extremity Venous System." In Duplex Sonography, 239–59. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3750-1_7.

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Weik, Martin H. "duplex." In Computer Science and Communications Dictionary, 469. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_5687.

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Sidibe, Myriam. "Durex." In Brands on a Mission, 63–76. Abingdon, Oxon ; New York, NY : Routledge, 2020.: Routledge, 2020. http://dx.doi.org/10.4324/9780367855437-4.

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Nyman, Mattias. "Duplex." In Edition PAGE, 44–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-00768-6_16.

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Conference papers on the topic "Dupex"

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Yao, Chao, Kun Yang, Lingyang Song, and Yonghui Li. "X-Duplex: Adapting of Full-Duplex and Half-Duplex." In IEEE INFOCOM 2015 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS). IEEE, 2015. http://dx.doi.org/10.1109/infcomw.2015.7179340.

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An, X., A. Dobson, I. Probyn, and P. Fellow. "Super Duplex/Duplex Stainless Steel Umbilical Tube Resistance to HISC." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20137.

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Super duplex/duplex stainless steel is susceptible to Hydrogen Induced Stress Cracking (HISC) whilst under the influence of Cathodic Protection (CP) systems. Field failure experiences have been reported on super duplex stainless steel components in subsea applications. However, HISC is a non ductile mode of failure caused by combinations of particular conditions associated with hydrogen charging, metallurgical factors of the alloy, stress/strain level and service conditions. DNV RP F112 [4] has been introduced recently and is a guideline for the design of duplex stainless steel components for offshore applications operating under CP systems. Super duplex/duplex stainless steel tubes have been used as components in DUCO umbilical systems for more than 15 years without any failure feedback. A combination of controlling the material microstructure, welding operation design, component stress design, and surface condition design have contributed to this record. This paper describes the design methodology applied by DUCO for the super duplex/duplex umbilical tubes for optimum mitigation against HISC. The influences of the microstructure, stress/strain condition, surface condition and cathodic potential on the seamless super duplex stainless steel (UNS 32750) umbilical tubes resistance to HISC are discussed. Results of laboratory tests using Slow Strain Rate Testing (SSRT), stepwise uni-axial and constant load methods, with reference to offshore oil field application best practice, are presented.
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Pacull, François, Alain Sandoz, and André Schiper. "Duplex." In the 1994 ACM conference. New York, New York, USA: ACM Press, 1994. http://dx.doi.org/10.1145/192844.192900.

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Ahmadyan, Seyed Nematollah, and Shobha Vasudevan. "Duplex." In ICCAD '16: IEEE/ACM INTERNATIONAL CONFERENCE ON COMPUTER-AIDED DESIGN. New York, NY, USA: ACM, 2016. http://dx.doi.org/10.1145/2966986.2967026.

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Guimarães, Lucas de M., and Jacir L. Bordim. "FDT-MAC: Reduzindo a latência das comunicações full-duplex em redes móveis sem fio." In Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos. Sociedade Brasileira de Computação - SBC, 2018. http://dx.doi.org/10.5753/sbrc.2018.2417.

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A crescente demanda por largura de banda impulsionou o estudo e o desenvolvimento da quinta geração (5G) de redes móveis. Espera-se que as redes 5G criem mecanismos que permitam uma melhoria no uso do espectro. Antenas full-duplex e técnicas de controle de acesso ao meio (MAC) tendem a ser fundamentais no panorama de redes 5G. Este trabalho propõe uma técnica MAC que reduz a latência da reserva de canal quando se considera o uso de antenas full-duplex. Resultados analíticos indicaram que a técnica proposta obteve ganhos de vazão de até 156% quando comparado com um protocolo do estado da arte projetado para comunicações full-duplex. Quando comparado com esquemas tradicionais half-duplex, o ganho de vazão superou 400%.
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Paranthaman, Venkatesan, and K. Shanmuga Sundaram. "Assessment of Dissimilar Weld Between Duplex Stainless Steel Grades for Severe Corrosive Applications." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72569.

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This paper deals with the investigations on dissimilar weld between two duplex stainless steel grades AISI 2205 and AISI 2507. Increasing use of duplex stainless steel grades instead of austenitic stainless steel grades are growing day by day. This study is an effort in this direction in particularly focusing the dissimilar welding of super duplex stainless steel (AISI 2507) and commercial duplex stainless steel (AISI 2205) grades. Gas tungsten arc welding process was used in this study to fabricate the defect free weld plate. Microstructural analysis on dissimilar weld was carried out to study the diffusion of alloying elements. Micro hardness analysis, Charpy impact toughness test, tensile test and formability test were carried out and the properties were compared with their corresponding base metal properties. Hot corrosion test was carried out to study the feasibility of dissimilar weld in severe corrosive applications. The findings of this paper try to fulfill the applications where commercial duplex stainless steel grades are frequently gets affected in the weld region due to the severity of corrosive environments and due to the sacrificing weld properties.
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Vogt, Hendrik, and Aydin Sezgin. "Full-duplex vs. half-duplex secret-key generation." In 2015 IEEE International Workshop on Information Forensics and Security (WIFS). IEEE, 2015. http://dx.doi.org/10.1109/wifs.2015.7368602.

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Shojaeifard, Arman, Kai-Kit Wong, Marco Di Renzo, Gan Zheng, Khairi Ashour Hamdi, and Jie Tang. "Full-duplex versus half-duplex large scale antenna system." In 2017 IEEE International Conference on Communications Workshops (ICC Workshops). IEEE, 2017. http://dx.doi.org/10.1109/iccw.2017.7962747.

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Vargas, Pedro M., Stig Wa¨stberg, and Paul Woollin. "Stress Based Design Guidelines for Hydrogen Induced Stress Cracking (HISC) Avoidance in Duplex Materials." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79504.

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Following the failure of several subsea components made of duplex steel, two JIPs were formed, one by TWI and another by DNV and Sintef to address the failure mechanism and to formulate design guidance for the industry. (TWI: The Effects of Notches and Welds on Hydrogen Embrittlement Stress Cracking of Duplex Stainless Steels, Sintef/DNV: HISC) Hydrogen charging from the cathodic protection system in the presence of creep strains embrittles the duplex steel, making the duplex susceptible to cracking (hydrogen-induced-stress-cracking, HISC). Creep effects focused on strain measurements in the test specimens from early work at TWI, favoring a strain based approach in the development of early versions of the design guidance for the industry. This paper summarizes the relevant content from the two JIPs to formulate a stress based design criteria, and provides new FEA assessment of the Foinhaven Hubs to better quantify the effect of residual stresses. The basis for the stress-based design guidelines in DNV-RP-F112 is presented that promises to be easier to apply and equally robust as the strain-based approach.
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Gonzalez-Perez, Ignacio, Alfonso Fuentes, and Kenichi Hayasaka. "Computerized Design and Tooth Contact Analysis of Spiral Bevel Gears Generated by the Duplex Helical Method." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47108.

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The duplex helical method, among the different generation methods of spiral bevel gears, has shorter times of manufacturing since both sides of the gear tooth are generated simultaneously. The duplex helical method is based on the application of a helical motion of the cradle respect to the gear blank during the infeed of the sliding base on which the work spindle is mounted. Computerized design and generation of spiral bevel gears by the duplex helical method is a complex problem since the machine-tool settings are specific for each hypoid generator and optimization of the contact pattern and the function of transmission errors is not straightforward. The proposed goals in this research paper are as follows: (i) conversion of the specific machine-tool settings of a given hypoid generator to the so-called neutral machine-tool settings that can be applied at any hypoid generator, (ii) computerized generation of the generated spiral bevel gears by the duplex helical method considering the neutral-machine tool settings, (iii) illustration of results of tooth contact analysis of a spiral bevel gear drive where the pinion has been generated by the duplex helical method for investigation of the contact pattern and the function of transmission errors, and (iv) adjustment of the contact pattern by considering parabolic profiles on the blades of the head-cutter. A numerical example is represented considering a spiral bevel gear drive generated at the Hypoid Generator 106 of Gleason.
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Reports on the topic "Dupex"

1

Hua, Yingbo. Feasibility of Full-Duplex Radio. Fort Belvoir, VA: Defense Technical Information Center, August 2013. http://dx.doi.org/10.21236/ada603558.

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2

Steinhoff, R. G. Lubrication for high load duplex bearings. Office of Scientific and Technical Information (OSTI), August 1997. http://dx.doi.org/10.2172/650157.

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Kim, Yoon-Jun. Phase Transformations in Cast Duplex Stainless Steels. Office of Scientific and Technical Information (OSTI), January 2004. http://dx.doi.org/10.2172/837274.

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J. H. Jackson, D. L. Porter, and W. R. Lloyd. JAEA Fatigue Analysis of EBR-II Duplex Tubing. Office of Scientific and Technical Information (OSTI), July 2009. http://dx.doi.org/10.2172/966150.

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Steinhoff, R. G. ES and H-compatible lubrication for duplex bearings. Office of Scientific and Technical Information (OSTI), October 1997. http://dx.doi.org/10.2172/650310.

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Brininstool, M. R., S. J. Cowen, W. H. Marn, and M. C. Scallon. Long-Distance Repeaterless Duplex Fiber-Optic Demonstration System. Update. Fort Belvoir, VA: Defense Technical Information Center, February 1991. http://dx.doi.org/10.21236/ada238848.

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Harmer, Martin P. Mechanical Properties of Ceramic Composites Exhibiting Tailored Duplex-Bimodal Microstructures. Fort Belvoir, VA: Defense Technical Information Center, May 1995. http://dx.doi.org/10.21236/ada306165.

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Jayaraman, Vijaysekhar. Vertical-Cavity Laser-Based Duplex Modules for Distributed Information Systems. Fort Belvoir, VA: Defense Technical Information Center, April 1996. http://dx.doi.org/10.21236/ada314959.

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Subramaniam, Ramnath. Safe and efficient technique of ureterocele excision in duplex systems. BJUI Knowledge, April 2020. http://dx.doi.org/10.18591/bjuik.v033.

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Gibson, John, Geoffrey G. Xie, and Andy Kaminski. Demand Assigned Channel Allocation Applied to Full Duplex Underwater Acoustic Networking. Fort Belvoir, VA: Defense Technical Information Center, June 2005. http://dx.doi.org/10.21236/ada486950.

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