Academic literature on the topic 'Angel sharks'

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Journal articles on the topic "Angel sharks"

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Giovos, Ioannis, Dimitra Katsada, Roxani Naasan Aga Spyridopoulou, et al. "Strengthening Angel Shark Conservation in the Northeastern Mediterranean Sea." Journal of Marine Science and Engineering 10, no. 2 (2022): 269. http://dx.doi.org/10.3390/jmse10020269.

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Angel sharks are among the most threatened species of sharks globally. Twenty-two species have been identified globally so far, with three species being present in the Mediterranean Sea: Squatina aculeata, Squatina oculata, and Squatina squatina. The Mediterranean populations of all three species have been assessed as Critically Endangered by the IUCN Red List of Threatened Species due to the steep decline of their populations as a result of their historical and current overexploitation by demersal fisheries. Therefore, currently there is an ongoing increasing effort for advancing the conserva
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Egeberg, Channing A., Ryan M. Kempster, Susan M. Theiss, Nathan S. Hart, and Shaun P. Collin. "The distribution and abundance of electrosensory pores in two benthic sharks: a comparison of the wobbegong shark, Orectolobus maculatus, and the angel shark, Squatina australis." Marine and Freshwater Research 65, no. 11 (2014): 1003. http://dx.doi.org/10.1071/mf13213.

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Electroreception is an ancient sense found in many aquatic animals, including sharks, which may be used in the detection of prey, predators and mates. Wobbegong sharks (Orectolobidae) and angel sharks (Squatinidae) represent two distantly related families that have independently evolved a similar dorso-ventrally compressed body form to complement their benthic ambush feeding strategy. Consequently, these groups represent useful models in which to investigate the specific morphological and physiological adaptations that are driven by the adoption of a benthic lifestyle. In this study, we compar
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LAST, PETER R., and WILLIAM T. WHITE. "Three new angel sharks (Chondrichthyes: Squatinidae) from the Indo-Australian region." Zootaxa 1734, no. 1 (2008): 1. http://dx.doi.org/10.11646/zootaxa.1734.1.1.

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Four species of angel sharks (family Squatinidae) occur in temperate and subtropical Australian waters. Two of these, Squatina albipunctata sp. nov. and S. pseudocellata sp. nov., which occur mainly off subtropical eastern and western Australia respectively, are formally described and illustrated. The new species differ from temperate Australian species, S. australis and S. tergocellata, in morphometrics, meristics, squamation, and coloration. Another new angel shark, S. legnota sp. nov. from eastern Indonesia, is compared to these species. Unlike Australian Squatina, it has unfringed (rather
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Natanson, Lisa J., and Gregor M. Cailliet. "Vertebral Growth Zone Deposition in Pacific Angel Sharks." Copeia 1990, no. 4 (1990): 1133. http://dx.doi.org/10.2307/1446499.

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Boulton, Thomas J., Thomas D. Shohfi, and Pengcheng Zhu. "Angels or Sharks? The Role of Personal Characteristics in Angel Investment Decisions." Journal of Small Business Management 57, no. 4 (2018): 1280–303. http://dx.doi.org/10.1111/jsbm.12409.

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Gonzalez-Pestana, Adriana, Carlos Kouri J., and Ximena Velez-Zuazo. "Shark fisheries in the Southeast Pacific: A 61-year analysis from Peru." F1000Research 3 (July 21, 2014): 164. http://dx.doi.org/10.12688/f1000research.4412.1.

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Peruvian waters exhibit high conservation value for sharks. This contrasts with a lag in initiatives for their management and a lack of studies about their biology, ecology and fishery. We investigated the dynamics of Peruvian shark fishery and its legal framework identifying information gaps for recommending actions to improve management. Further, we investigated the importance of the Peruvian shark fishery from a regional perspective. From 1950 to 2010, 372,015 tons of sharks were landed in Peru. From 1950 to 1969, we detected a significant increase in landings; but from 2000 to 2011 there w
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Gonzalez-Pestana, Adriana, Carlos Kouri J., and Ximena Velez-Zuazo. "Shark fisheries in the Southeast Pacific: A 61-year analysis from Peru." F1000Research 3 (April 12, 2016): 164. http://dx.doi.org/10.12688/f1000research.4412.2.

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Peruvian waters exhibit high conservation value for sharks. This contrasts with a lag in initiatives for their management and a lack of studies about their biology, ecology and fishery. We investigated the dynamics of Peruvian shark fishery and its legal framework identifying information gaps for recommending actions to improve management. Further, we investigated the importance of the Peruvian shark fishery from a regional perspective. From 1950 to 2010, 372,015 tons of sharks were landed in Peru. From 1950 to 1969, we detected a significant increase in landings; but from 2000 to 2011 there w
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Braccini, Matias, and Hilario Murua. "Quantifying shark and ray discards in Western Australia’s shark fisheries." Marine and Freshwater Research 73, no. 3 (2021): 283–91. http://dx.doi.org/10.1071/mf21159.

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Commercial fisheries can discard a considerable volume of sharks and rays, which, as a group, are of high conservation concern. In Western Australia (WA), commercial shark fishing commenced in the 1940s; however, catch time series are not available for discarded species. The present study quantified catch (i.e. dead individuals) time series of discarded sharks and rays in WA’s shark fisheries using on-board observer information collected since 1993 and testing assumptions through sensitivity analysis. Overall, 18 shark and ray taxonomic groups were discarded, comprising ~20% of the observed ca
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Lapinski, Matthieu, and Ioannis Giovos. "New records of the critically endangered Squatina squatina(Linnaeus, 1758) from Corsica, France." Acta Adriatica 60, no. 2 (2019): 205–10. http://dx.doi.org/10.32582/aa.60.2.10.

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Angel Sharks are among the most threatened families of fish in the world. In the Mediterranean three species are present facing a severe depletion with several local extinction events as a result of over exploitation by fisheries. Hereby, we present 7 additional records of Squatina squatina from Corsica contributing to the new regional action plan for Angel Sharks in the Mediterranean Sea. Most records include juvenile specimens, indicating that the area might be a nursery ground for the species.
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Sunyem, P. S., and C. M. Vooren. "On cloacal gestation in angel sharks from southern Brazil." Journal of Fish Biology 50, no. 1 (1997): 86–94. http://dx.doi.org/10.1111/j.1095-8649.1997.tb01341.x.

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Dissertations / Theses on the topic "Angel sharks"

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Fitzpatrick, Cristin Keelin. "Genetic Population and Evolutionary Dynamics of the Angel Sharks, Squatina spp." Thesis, NSUWorks, 2018. https://nsuworks.nova.edu/occ_stuetd/478.

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Once so abundant as to be called the ‘common’ angelshark, Squatina squatina has been extirpated from nearly the entirety of its historical range, from the eastern North Atlantic, to the Mediterranean Sea [International Union for the Conservation of Nature (IUCN) Red List: Critically Endangered]. The angelshark now only occurs in any abundance in the waters surrounding the Canary Islands. I present the first genetic assessment of the angelshark’s population dynamics and diversity from three locations within the Canary Islands archipelago: Gran Canaria, Tenerife, and Lanzarote. Using a suite of
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Lyons, Sara J. "The sacrifice of honey (fiction) ; The depiction of the media in The shark net, Evil angels and The sacrifice of honey (thesis)." University of Western Australia. English, Communication and Cultural Studies Discipline Group, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0055.

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Lyons, Sara J. Lyons Sara J. "The sacrifice of honey (fiction) : The depiction of the media in The shark net, Evil angels and The sacrifice of honey (thesis) /." Connect to this title, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0055.

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Sinyukov, Dmitry Aleksandrovich. "Semi-autonomous robotic wheelchair controlled with low throughput human- machine interfaces." Digital WPI, 2017. https://digitalcommons.wpi.edu/etd-dissertations/242.

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For a wide range of people with limited upper- and lower-body mobility, interaction with robots remains a challenging problem. Due to various health conditions, they are often unable to use standard joystick interface, most of wheelchairs are equipped with. To accommodate this audience, a number of alternative human-machine interfaces have been designed, such as single switch, sip-and-puff, brain-computer interfaces. They are known as low throughput interfaces referring to the amount of information that an operator can pass into the machine. Using them to control a wheelchair poses a number
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Schneider, Tobias [Verfasser]. "Optisches Messverfahren zur gleichzeitigen Erfassung von Absolutdrehwinkel und Drehmoment an Wellen : Optical system for measuring simultaneously the absolute angle of rotation and the torque of shafts / Tobias Schneider." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2020. http://d-nb.info/1220422649/34.

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Karlsson, Axel. "Framtagning av beräkningsmall för rullaxlar." Thesis, Högskolan Väst, Avdelningen för maskinteknik och naturvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-7973.

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Möjligheter att förbättra Hofpartner ABs beräkningsmall för rullaxlar har undersökts. Undersökningen har fokuserat på användarvänlighet, ekonomi samt hållfasthet. Målet var att göra mallen mer lättanvänd. Nuvarande mall undersöks med resultat att den är väldigt svår att följa samt att dess värden inte överensstämmer särskilt bra med verkligheten i de flesta avseenden. Arbetet koncentreras därmed på att identifiera de existerande problemen och att åtgärda dem. Mallens funktioner utvärderas och beslut fattas om att reducera mallen till att endast hantera information som regelbundet används av fö
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Jacobsson, Madeleine. "Dr. Eleine Mad." Thesis, Kungl. Konsthögskolan, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kkh:diva-587.

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Dr. Eleine Mad är Madeleine Jacobsssons talesperson för dom vetenskapliga och paranormala upptäckter som uppstår i hennes världar. Hon beskriver innehåll, teknik och estetik utifrån ett kategoriseringssytem där konsten delas upp som olika typer av komponenter och därefter avkodas dessa allteftersom. För att förstå intuitionens inblandning i arbetsprocessen omförvandlas den till tre separata roller av en Sökare, Samlare och Myntare. Med rollerna försöker jag beskriva på vilka sätt som intuitionen är till gagn eller av förödelse för det konstnärliga arbetet. Sagan om M handlar om en grodlik ka
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Claeson, Kerin Michele. "Trends in evolutionary morphology : a case study in the relationships of angel sharks and batoid fishes." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-05-1347.

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Chondrichthyans are cartilaginous fishes that include the extant chimaeras, sharks, and batoids, and their extinct relatives. In this dissertation, I examined the growth, development, and relationships of extinct and extant chondrichthyans. I reexamined the skeleton of fossil and fetal specimens of the angel sharks (Squatiniformes) and reanalyzed the current morphologically based hypothesis of chondrichthyan evolution, which conflicts with the current molecular based hypothesis. I did this by including extinct taxa and new characters based on dentition, and the ethmoid, occipital, pectoral, an
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Lai, Ting-Yin, and 賴亭吟. "Contact Angle Measurement from analysis of Sessile Drop Shapes." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/25754377237830749116.

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碩士<br>國立中正大學<br>化學工程所<br>95<br>In contact angle measurement from analysis of sessile drop shapes, the quality of drop images and the analysis of drop shapes determine accuracy of the contact angle. High quality drop images should have large contrast in brightness at the edges. We improved the image quality by adjusting the elements of the homemade contact angle goniometer, and found a better technique for contact angle measurement. Then we determined the drop edges consistant with the real image by gradient method and analyzed the drop shape by circle fitting. Contact angle can be obtained fro
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Tseng, Chi-Yi, and 曾竹毅. "Selection of Semi-angle and Analysis of Inhomogeneous Deformation for Skin-pass Drawing ofRectangular Shapes." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/wsmveg.

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碩士<br>國立虎尾科技大學<br>機械與機電工程研究所<br>96<br>Transmission components used in precision machines like rails or sliders for linear motion guide demand high straightness and shape precision. The precision of these components affect the precision of machine movement and subsequent machining or measuring precision. Prior to machining, workpiece for the rails or sliders has to be rolled or drawn. Cold skin-pass drawing is usually applied on the preform, which may be produced by multiple shape rolling or drawing, with light reduction of cross-section. The cross-section of the shaped workpiece can be conside
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Books on the topic "Angel sharks"

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Szymanski, Adam. Cinemas of Therapeutic Activism. Amsterdam University Press, 2020. http://dx.doi.org/10.5117/9789463723121.

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The hegemonic meaning of depression as a universal mental illness embodied by an individualized subject is propped up by psychiatry’s clinical gaze. Cinemas of Therapeutic Activism turns to the work of contemporary filmmakers who express a shared concern for mental health under global capitalism to explore how else depression can be perceived. In taking their critical visions as intercessors for thought, Adam Szymanski proposes a thoroughly relational understanding of depression attentive to eventful, collective and contingent qualities of subjectivity. What emerges is a melancholy aesthetics
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3DO Games Secrets: Book Two. Sandwich Islands Publishing, 1996.

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Hansen, Grace. Angel Sharks. ABDO Publishing Company, 2015.

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Angel Sharks. Blastoff! Readers, 2020.

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Pettiford, Rebecca. Angel Sharks. Bellwether Media, 2020.

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Silverman, Buffy. Angel Sharks in Action. Lerner Publishing Group, 2017.

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Silverman, Buffy. Angel Sharks in Action. Lerner Publishing Group, 2017.

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Silverman, Buffy. Angel Sharks in Action. Lerner Publishing Group, 2017.

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Silverman, Buffy. Angel Sharks in Action. Lerner Publishing Group, 2017.

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Silverman, Buffy. Angel Sharks in Action. Lerner Publishing Group, 2017.

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Book chapters on the topic "Angel sharks"

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Schrooten, Ann F., and Barry P. Markovitz. "Is Not Anger." In Shared Struggles. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68020-6_31.

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Sano, Yoh. "Small-Angle Neutron Scattering Studies of Proteoglycan from Shark Fin Cartilage." In Food Hydrocolloids. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2486-1_35.

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Ban, Yuki, Takashi Kajinami, Takuji Narumi, Tomohiro Tanikawa, and Michitaka Hirose. "Modifying an Identified Angle of Edged Shapes Using Pseudo-haptic Effects." In Haptics: Perception, Devices, Mobility, and Communication. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-31401-8_3.

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Iannizzotto, Giancarlo, and Lorenzo Vita. "A Multiscale Turning Angle Representation of Object Shapes for Image Retrieval." In Visual Information and Information Systems. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/3-540-48762-x_75.

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Jeffries, Cy M., and Dmitri I. Svergun. "High-Throughput Studies of Protein Shapes and Interactions by Synchrotron Small-Angle X-Ray Scattering." In Methods in Molecular Biology. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-2230-7_15.

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Bouwmeester, Onno. "Jokes That Illustrate Unethical Business Behaviour." In SpringerBriefs in Ethics. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-10201-1_2.

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AbstractThis chapter explores a new jokes-based illustration method targeting ethical transgressions in the business context. The method question is how well public business jokes published on the Internet can illustrate common ethical business transgressions. The result is that ten common unethical business practices mentioned in interviews with over 100 consultants, can all be illustrated with public business jokes. That shows that jokes are a good source for illustrating common unethical business behaviour. As jokes activate normative standards, they also point at what the ethical issue is. This gives them illustrative value for answering both descriptive and evaluative research questions. Still, the jokes-based illustration method has its limitations. First, it takes time for jokes to be published on the Internet and to get shared. Second, jokes can only be experienced as funny when they illustrate mild norm violation. When behaviour gets very unethical our emotional response turns into anger, and fun gets lost. Third, ethical transgressions need to be somewhat common and recognizable to be good joking material. Fourth, not everyone “gets” a joke. That means, the audience needs to be sufficiently able to interpret well. Finally, for illustration purpose, a topical match between the joke and the ethical issue is important, which puts high demands on searching and selection.
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"Angle Shades." In Owlet Caterpillars of Eastern North America. Princeton University Press, 2011. http://dx.doi.org/10.1515/9781400838295.401.

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"The Angel of the Prisons." In Shades of the Prison House. Boydell & Brewer, 2019. http://dx.doi.org/10.2307/j.ctvb6v4zm.20.

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"The Angel of the Prisons." In Shades of the Prison House. Boydell and Brewer Limited, 2019. http://dx.doi.org/10.1017/9781787445154.016.

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Lyons, Nathan. "Dust." In Signs in the Dust. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190941260.003.0009.

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This chapter conducts a thought experiment, which compares the immaterial culture of Thomistic angels with the corporeal culture of humans to clarify the particular contribution that matter makes to cultural life. This suggests two perfections of matter. First is the ‘detour through the real’ that is enforced by matter. Whereas angels use purely intentional signs to know and communicate, corporeal creatures necessarily use material signs, which are not intentional but real. This reflects Trinitarian knowledge and expression, which proceeds through the real sign of the divine Word. Second is the process of biological generation. Whereas an individual angel sustains its own species, organisms must generate one from another within the one shared nature, and this ontological dependence and mutuality reflects the Trinitarian procession of persons within the one divine nature. These perfections of material existence mean that dust is a blessing to the sign, just as signs are a blessing to dust.
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Conference papers on the topic "Angel sharks"

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Kroll, P. "GPDs: The Structure of the Proton and Wide-angle Compton Scattering." In SHAPES OF HADRONS. AIP, 2007. http://dx.doi.org/10.1063/1.2734293.

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Aghbali, Behnam, and Aghil Yousefi-Koma. "Design and Fuzzy Control of the Shark Robot-Fish Dorsal Fin Using SMA." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-24209.

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This contribution presents the experimental investigations on design and fabrication of the dorsal fin of the shark robot-fish mechanism which is controlled using NiTi Shape Memory Alloy (SMA) actuators by a Fuzzy controller. The dorsal fin helps the shark not only to turn around, but also it helps shark to roll. This fin contains two main parts, a rigid part; is connected to the shark’s body and another part is mounted on the latter one which can be rotated. The rotation angle of the second part is controlled by two parallel SMA wires. The subtlety of this installation is the tension of the r
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Ashton, Andrew D., A. Brad Murray, and Ryan Littlewood. "The Response of Spit Shapes to Wave-Angle Climates." In Sixth International Symposium on Coastal Engineering and Science of Coastal Sediment Process. American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40926(239)27.

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Jeong, Hyeon-Ho, Andrew G. Mark, John G. Gibbs, et al. "3D nanofabrication on complex seed shapes using glancing angle deposition." In 2014 IEEE 27th International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2014. http://dx.doi.org/10.1109/memsys.2014.6765670.

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Alipoor, Mehdi, and Mehdi Bahadorzadeh Ghandehari. "High polarization and wide angle independent hexagonal shapes metamaterial absorber." In 2015 International Congress on Technology, Communication and Knowledge (ICTCK). IEEE, 2015. http://dx.doi.org/10.1109/ictck.2015.7582645.

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Du, Dongmei, Zhi Zhang, and Qing He. "A System of Calculation and Analysis of Torsional Vibration for Turbine-Generator Shafts." In ASME 2007 Power Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/power2007-22019.

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Due to the disturbance of electric power system or other shock load, the torsional vibration of turbine-generator shafts occurs. Alternative shear stress due to torsional vibration decreases the shafts life, even results in shafts broken. It is significant to calculate and analyze natural properties and the responses of tosional vibration excited by the disturbance of electric power system in order to analyze and prevent catastrophic accident. The calculation and analysis system of torsional vibration of turbine-generator shafts is developed. With multi-mass lumped model, the model of torsiona
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White, Paul J., Chris E. Thorne, and Mark Yim. "Right Angle Tetrahedron Chain Externally-Actuated Testbed (RATChET): A Shape-Changing System." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-87657.

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Modular robotic systems can form arbitrary shapes that best suit task requirements. Such a system comprised of microscale components could form reconfigurable microstructures or high resolution physical prototypes. This paper presents methods aimed at miniaturization of this programmable matter system towards the millimeter scale or smaller. The Right Angle Tetrahedron Chain Externally-actuated Testbed (RATChET) can be folded into arbitrary 3D shapes. The tetrahedron shaped modules are designed to have limited complexity and employ technologies which can be realized at the microscale. The tool
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Vafaei, Saeid, Dongsheng Wen, Ganapathiraman Ramanath, and Theodorian Borca-Tasciuc. "Surface Wettability Through Asymptotic Contact Angle." In ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78361.

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The purpose of this investigation is to find a unique and accurate criterion to measure surface wettability. The asymptotic contact angle (droplet contact angle in no gravity condition), which is independent of droplet size, is used to identify the surface wettability in this work. The asymptotic contact angle is calculated by equating the normal component of interfacial force on an axisymmetric droplet and spherical droplet. The effect of 2.5 nm bismuth telluride nanoparticles on surface wettability is measured and evaluated by asymptotic contact angles as a sample. This paper also studies th
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Shi, Xuefeng, Wulang Chriswindarto, and David Boyce. "Application of CFD Modeling in HRSG Evase Design." In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81156.

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Computational simulation of flow, heat transfer and combustion in a vertical tube heat recovery system generator (HRSG) with a single angel roof, a dual angle roof and an air flow optimized evase are studied. Existing theoretical models for flow and gas combustion [1] are used to predict how the three kinds of roof shapes influence the flue gas and temperature distribution in the whole HRSG System, and particularly the flue gas distribution upstream of first heat exchanger bundles (superheater 3 and reheater 2) and duct burner as well as the temperature distribution downstream of the duct burn
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Choi, Siu-Tong, and Sheng-Yang Mau. "Dynamic Analysis of Geared Rotor-Bearing Systems by the Transfer Matrix Method." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0491.

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Abstract In this paper, an analytical study of the dynamic characteristics of geared rotor-bearing systems by the transfer matrix method is presented. Rotating shafts are modeled as Timoshenko beam with shear deformation and gyroscopic effects taken into account. The gear mesh is modeled as a pair of rigid disks connected by a spring-damper set and a transmission-error exciter. The transfer matrix of a gear mesh is developed. The coupling motions of the lateral and torsional vibration are studied. In free vibration analysis of geared rotor systems, natural frequencies and corresponding mode sh
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Reports on the topic "Angel sharks"

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Bihrle, W., Barnhart Jr., Dickes B., and E. Static and Rotational Aerodynamic Data from O deg to 90 deg Angle of Attack for a Series of Basic and Altered Forebody Shapes. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada216582.

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LOCAL BUCKLING STRENGTH OF CORRODED ANGLE AND CHANNEL STEEL SHAPES AND ITS EVALUATION USING EFFECTIVE WIDTH THEORY. The Hong Kong Institute of Steel Construction, 2018. http://dx.doi.org/10.18057/icass2018.p.002.

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