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Literatura académica sobre el tema "Round body"

Autor: Grafiati

Publicado: 31 de julio de 2021

Última modificación: 1 de febrero de 2022

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Artículos de revistas sobre el tema "Round body"

Abian-Vicen, Javier, Adrián Castanedo, Pablo Abian, Cristina Gonzalez-Millan, Juan José Salinero y Juan Del Coso. "Influence of Successive Badminton Matches on Muscle Strength, Power, and Body-Fluid Balance in Elite Players". International Journal of Sports Physiology and Performance 9, n.º 4 (julio de 2014): 689–94. http://dx.doi.org/10.1123/ijspp.2013-0269.

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The aim was to analyze the influence of competitive round on muscle strength, body-fluid balance, and renal function in elite badminton players during a real competition. Body mass, jump height during a countermovement jump, handgrip force, and urine samples were obtained from 13 elite badminton players (6 men and 7 women) before and after the 2nd-round and quarterfinal matches of the national Spanish badminton championship. Sweat rate was determined by using prematch-to-postmatch body-mass change and by weighing individually labeled fluid bottles. Sweat rates were 1.04 ± 0.62 and 0.98 ± 0.43 L/h, while rehydration rate was 0.69 ± 0.26 and 0.91 ± 0.52 L/h for the 2nd round and quarterfinals, respectively. Thus, dehydration was 0.47% ± 1.03% after the 2nd round and 0.23% ± 0.43% after the quarterfinals. There were no differences in prematch-to-postmatch jump height, but jump height was reduced from 37.51 ± 8.83 cm after the 2nd-round game to 34.82 ± 7.37 cm after the quarterfinals (P < .05). No significant differences were found in handgrip force when comparing prepost matches or rounds, although there were significant differences between dominant and nondominant hands (P < .05). The succession of rounds caused the appearance of proteinuria, hematuria, glycosuria, and higher nitrite and ketone concentrations in urine. Rehydration patterns during a real badminton competition were effective to prevent dehydration. A badminton match did not affect jump height or handgrip force, but jump height was progressively reduced by the competitive round. Badminton players’ renal responses reflected diminished renal flux due to the high-intensity nature of this racket sport.

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Mehrani, Mohammad, Iman Attarzadeh y Mehdi Hosseinzadeh. "Deep-learning based forecasting sampling frequency of biosensors in wireless body area networks". Journal of Intelligent & Fuzzy Systems 39, n.º 3 (7 de octubre de 2020): 3195–227. http://dx.doi.org/10.3233/jifs-191622.

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Wireless Body Area Networks (WBANs) have been introduced as a useful way in controlling health status of the monitored patients, during recent years. Each WBAN includes a number of biosensors attached to the patient’s body, collecting his vital sign features and communicating them to the coordinator to make appropriate decisions. Managing energy consumption of biosensors and continuous monitoring of the patients are two main issues in WBANs. Hence, denoting efficient sampling frequency of biosensors is very important in WBANs. In this paper, we propose a scheme which aims at determining and forecasting sampling rate of active biosensors in WBANs. In this regard, from the first round until a certain round, the sampling rate of biosensors would be determined. Accordingly, we introduce our modified Fisher test, develop spline interpolation method and introduce three main parameters. These parameters are information of patient’s activity, patient’s risk and pivot biosensor’s value. Then, by employing mentioned parameters in addition to the introduced statistical and mathematical based strategies, the sampling rate of active biosensors in the next round would be determined at the end of each entire round. By reaching a pre-denoted round, the sampling rate of biosensors would be predicted through forecasting methods. For this purpose, we develop two machine learning based techniques namely Adaptive Neuro Fuzzy Inference System (ANFIS) and Long Short Term Memory (LSTM). For estimation our approaches we simulate them in MATLAB R2018b software. Simulation results demonstrate that our methods can decrease the number of communicated data by 81%, reduce energy expenditure of biosensors by 73% and forecast the sampling rate of biosensors in the future rounds with 97% accuracy and 2.2753 RMSE.

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Vilmart, Gilles. "Reducing round-off errors in rigid body dynamics". Journal of Computational Physics 227, n.º 15 (julio de 2008): 7083–88. http://dx.doi.org/10.1016/j.jcp.2008.04.013.

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Bruneau, Charles-Henri. "Computation of hypersonic flows round a blunt body". Computers & Fluids 19, n.º 2 (enero de 1991): 231–42. http://dx.doi.org/10.1016/0045-7930(91)90035-g.

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Lavy, A. "Foreign Body Extraction Device". Diagnostic and Therapeutic Endoscopy 5, n.º 4 (1 de enero de 1999): 253–55. http://dx.doi.org/10.1155/dte.5.253.

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Foreign bodies in the gastrointestinal tract are common. Mostly they are swallowed accidentally by children but also by adults. When round and slippery, foreign bodies cause a technical problem for removal. After several days in the stomach they are covered with mucus and extraction becomes even harder. There are various devices designed for use through the flexible endoscope for grasping foreign bodies but due to the great variety of objects, one may face a real problem while trying to remove them. We faced a challenge in a woman who underwent vertical band gastroplasty and was obstructed by a round and slippery hazelnut. We managed to remove the nut using a simple homemade device. This device is easy to make, cheap, and simple to use and maybe useful for various foreign bodies.

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Bridge, Craig A., Michelle A. Jones y Barry Drust. "Physiological Responses and Perceived Exertion During International Taekwondo Competition". International Journal of Sports Physiology and Performance 4, n.º 4 (diciembre de 2009): 485–93. http://dx.doi.org/10.1123/ijspp.4.4.485.

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Purpose:To investigate the physiological responses and perceived exertion during international Taekwondo competition.Methods:Eight male Taekwondo black belts (mean ± SD, age 22 ± 4 y, body mass 69.4 ± 13.4 kg, height 1.82 ± 0.10 m, competition experience 9 ± 5 y) took part in an international-level Taekwondo competition. Each combat included three 2-min rounds with 30 s of recovery between each round. Heart rate (HR) was recorded at 5-s intervals during each combat. Capillary blood lactate samples were taken from the fingertip 1 min before competition, directly after each round and 1 min after competition. Competitors’ rating of perceived exertion (RPE) was recorded for each round using Borg’s 6-to-20 scale.Results:HR (round 1: 175 ± 15 to round 3: 187 ± 8 beats·min−1; P < .05), percentage of HR maximum (round 1: 89 ± 8 to round 3: 96 ± 5% HRmax; P < .05), blood lactate (round 1: 7.5 ± 1.6 to round 3: 11.9 ± 2.1 mmol·L-1; P < .05) and RPE (round 1: 11 ± 2 to round 3: 14 ± 2; P < .05; mean ± SD) increased significantly across rounds.Conclusions:International-level Taekwondo competition elicited near-maximal cardiovascular responses, high blood lactate concentrations, and increases in competitors' RPE across combat. Training should therefore include exercise bouts that sufficiently stimulate both aerobic and anaerobic metabolism.

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Schultz, Michael C. y C. P. Leblond. "Three structures associated with the nucleolus in male rat germinal cells: Round body, coiled body, and ?nubecula? and general presence of round body at male meiosis". American Journal of Anatomy 189, n.º 1 (septiembre de 1990): 11–23. http://dx.doi.org/10.1002/aja.1001890103.

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Ruan, Lihua, Maluge P. I. Dias, Ye Feng y Elaine Wong. "Round-Trip Delay Modeling for Smart Body Area Networks". IEEE Communications Letters 21, n.º 11 (noviembre de 2017): 2528–31. http://dx.doi.org/10.1109/lcomm.2017.2733536.

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Dhaulakhandi, Dhara B., Alok K. Ravi, Lalit C. Garg y Karvita B. Ahluwalia. "Complex disposition of an enigmatic pathogen: rare electron microscopic manifestations in nasal rhinosporidiosis". Romanian Journal of Rhinology 7, n.º 27 (27 de septiembre de 2017): 169–80. http://dx.doi.org/10.1515/rjr-2017-0019.

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Abstract Rhinosporidiosis is a polypoidal disease of the nose and mucocutaneous tissues, the diagnosis of which is based on the presence of round bodies believed to be causative agents of the disease. Historically, the round body has been considered to be a sporangium of a fungus Rhinosporidium seeberi but without any convincing evidence. Round bodies contain numerous daughter cells, which are likely in the infective stage and are shed through a rupture in the wall of the round body. The released single-celled organisms eventually develop into round bodies on availability of suitable transformative trigger and favourable environment. Surgical excision of the polyp by electrocautery is the only effective treatment; however, recurrence may occur due to spillage of infective endospores in the surrounding mucosa during removal. There are many enigmatic features of the causative agent of this disease, which have been baffling researchers for more than a century. Here we present some rare electron microscopic and previously unreported features of the coat of the round body and single-celled organism in nasal rhinosporidiosis.

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El-Ashker, Said, Helmi Chaabene, Yassine Negra, Olaf Prieske y Urs Granacher. "Cardio-Respiratory Endurance Responses Following a Simulated 3 × 3 Minutes Amateur Boxing Contest in Elite Level Boxers". Sports 6, n.º 4 (15 de octubre de 2018): 119. http://dx.doi.org/10.3390/sports6040119.

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This study aimed at examining physiological responses (i.e., oxygen uptake [VO2] and heart rate [HR]) to a semi-contact 3 × 3-min format, amateur boxing combat simulation in elite level male boxers. Eleven boxers aged 21.4 ± 2.1 years (body height 173.4 ± 3.7, body mass 74.9 ± 8.6 kg, body fat 12.1 ± 1.9, training experience 5.7 ± 1.3 years) volunteered to participate in this study. They performed a maximal graded aerobic test on a motor-driven treadmill to determine maximum oxygen uptake (VO2max), oxygen uptake (VO2AT) and heart rate (HRAT) at the anaerobic threshold, and maximal heart rate (HRmax). Additionally, VO2 and peak HR (HRpeak) were recorded following each boxing round. Results showed no significant differences between VO2max values derived from the treadmill running test and VO2 outcomes of the simulated boxing contest (p > 0.05, d = 0.02 to 0.39). However, HRmax and HRpeak recorded from the treadmill running test and the simulated amateur boxing contest, respectively, displayed significant differences regardless of the boxing round (p < 0.01, d = 1.60 to 3.00). In terms of VO2 outcomes during the simulated contest, no significant between-round differences were observed (p = 0.19, d = 0.17 to 0.73). Irrespective of the boxing round, the recorded VO2 was >90% of the VO2max. Likewise, HRpeak observed across the three boxing rounds were ≥90% of the HRmax. In summary, the simulated 3 × 3-min amateur boxing contest is highly demanding from a physiological standpoint. Thus, coaches are advised to systematically monitor internal training load for instance through rating of perceived exertion to optimize training-related adaptations and to prevent boxers from overreaching and/or overtraining.

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Más fuentes

Tesis sobre el tema "Round body"

Reid, Ann-Aubrey Kaiwilani. "Susceptibility of Borrelia burgdorferi Morphological Forms to Chemical Antimicrobials". BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/9094.

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Borrelia burgdorferi is the etiological agent of Lyme disease. Not much is known about the susceptibility of this organism to chemical disinfection. Current antimicrobial susceptibility test methods, such as those published by the American Society for Testing and Materials (ASTM), usually require assessment of the number of colony forming units (cfu) of growing organisms on plates following exposure to an agent. For fast-growing organisms, plates are ready for counting 1-2 days post plating, while several weeks may be needed for slower growing organisms. Spirochetes, like B. burgdorferi are difficult to grow on solid media and typically require long incubation periods, sometimes up to several weeks, to generate visible colonies. These issues make B. burgdorferi cfu assessment by plate counting difficult and unreliable. Furthermore, Borrelia have a demonstrated capacity for pleomorphic forms, and can exist in spirochete, round body, or biofilm forms, depending on culture conditions. Plate counts, by nature, do not allow for assessment of morphological form changes. Additionally, the susceptibility of B. burgdorferi pleomorphic forms to chemical disinfectants has not been tested. In this study, we used the SYBR GREEN I/Propidium Iodide (SG I/PI) viability assay to rapidly estimate the percent kill of B. burgdorferi pleomorphic forms to chemical disinfection. Planktonic spirochete populations in 30-second treated samples showed viability percent values of: >95% for Hanks balanced salt solution (HBSS), ~60% for distilled deionized H2O (dd H2O), <5% for ACS 200, and 1% for 1% glutaraldehyde (GTA). Solutions containing 70% ethanol (ETH) and 1% hypochlorite (HC) showed no viable spirochetes following treatment. The percent of live round body cells following different treatments were: >99% for HBSS and <25% for dd H2O. ACS 200, 1% GTA, and 70% ETH treatments resulted in <1% live round body forms, whereas HC showed no live round cell forms. The susceptibility of B. burgdorferi biofilms to various treatments was also assayed using a SG I/PI viability stain after 30-minute contact times. The percent of viable organisms (green) in the treated biofilms was estimated by microscopic observations. HBSS controls showed >98% of bacteria in the biofilm were alive, while treated biofilms showed the following percent viabilities: ACS 200 - ~2%, 1% HC - <1%, 5% HC - <1%, 1% GTA - ~10%, 70% ETH - ~ 2%, and dd H2O ~40%. These techniques merged standardized assessment of antimicrobial activity in liquid culture using an ASTM-type kill-time procedure with viability techniques used in antibiotic susceptibility testing to rapidly evaluate the percent kill of B. burgdorferi pleomorphic forms in vitro following disinfectant exposure. These results showed that B. burgdorferi biofilm forms are orders of magnitude more resistant to chemical disinfection than other morphological forms of this organism.

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Pospíšil, Petr. "Optimalizace predikce pozice v síti". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217436.

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This work is about position prediction in network, it is focused to find Landmark closest to the Host in the network (with lowest distance vector). The algorithm is based on GNP system. In terms of GNP system simulation was selected method for mathematical part of position prediction. The method was Simplex Downhill. The designed algorithm was implemented in Java. In the first step chose Host continent by meassuring the distance vector. In next step is selected nearest part in the continent. In conclusion estimate Host its position and then closest Landmark. Results from this work is important for designing TTP protocol. The verdict is that the GNP can be used for TTP, but Landmarks must be located in uniform density.

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Libros sobre el tema "Round body"

Signs round a dead body. Bridgend, Wales: Seren, 1998.

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Christine, Michael, ed. Dare to bare: The complete diet and fitness programme for year-round body confidence. London: Vermilion, 1998.

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Bullets, United Campaign Against Plastic. A Report on the misuse of the baton round in the North of Ireland: Submission to the Mitchell Commission on Arms Decommissioning. Belfast: United Campaign Against Plastic Bullets, 1996.

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James, Booth. The theory of elliptic integrals: And the properties of surfaces of the second order, applied to the investigation of the motion of a body round a fixed point. London: Bell, 1991.

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Kameroski, Thomas A. 80 years of scouting 'round the pond: A history of Goose Pond Scout Reservation and related topics : 1920-2000. [Jermyn, Pa: T.A. Kameroski], 1999.

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Simple Pleasures: Soothing Suggestions and Small Comforts for Living Well Year Round. Conari Press, 2002.

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Seton, Susannah, Robert Taylor y David Greer undifferentiated. Simple Pleasures: Soothing Suggestions & Small Comforts for Living Well Year Round. Conari Press, 1997.

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Student Body Shots - Another Round: More Sarcasm On The Best Four To Six Years Of Your Life. Writers' Collective, 2004.

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Cherlin, Andrew J. The Marriage-Go-Round: The State of Marriage and the Family in America Today (Vintage). Vintage, 2010.

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Cassey Ho's hot body year-round: The pop pilates plan to get slim, eat clean, and live happy through every season. Harmony, 2015.

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Capítulos de libros sobre el tema "Round body"

Guz, A. N. "All-round compression of isotropic simply connected body. Application of the integral stability criteria". En Foundations of Engineering Mechanics, 389–411. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-540-69633-9_16.

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Behuet, Sabrina, Sebastian Bludau, Olga Kedo, Christian Schiffer, Timo Dickscheid, Andrea Brandstetter, Philippe Massicotte, Mona Omidyeganeh, Alan Evans y Katrin Amunts. "A High-Resolution Model of the Human Entorhinal Cortex in the ‘BigBrain’ – Use Case for Machine Learning and 3D Analyses". En Lecture Notes in Computer Science, 3–21. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-82427-3_1.

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AbstractThe ‘BigBrain’ is a high-resolution data set of the human brain that enables three-dimensional (3D) analyses with a 20 µm spatial resolution at nearly cellular level. We use this data set to explore pre-α (cell) islands of layer 2 in the entorhinal cortex (EC), which are early affected in Alzheimer’s disease and have therefore been the focus of research for many years. They appear mostly in a round and elongated shape as shown in microscopic studies. Some studies suggested that islands may be interconnected based on analyses of their shape and size in two-dimensional (2D) space. Here, we characterized morphological features (shape, size, and distribution) of pre-α islands in the ‘BigBrain’, based on 3D-reconstructions of gapless series of cell-body-stained sections. The EC was annotated manually, and a machine-learning tool was trained to identify and segment islands with subsequent visualization using high-performance computing (HPC). Islands were visualized as 3D surfaces and their geometry was analyzed. Their morphology was complex: they appeared to be composed of interconnected islands of different types found in 2D histological sections of EC, with various shapes in 3D. Differences in the rostral-to-caudal part of EC were identified by specific distribution and size of islands, with implications for connectivity and function of the EC. 3D compactness analysis found more round and complex islands than elongated ones. The present study represents a use case for studying large microscopic data sets. It provides reference data for studies, e.g. investigating neurodegenerative diseases, where specific alterations in layer 2 were previously reported.

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Richler, Nancy. "Second Round". En Body & Soul, editado por Allison Crawford, Rex Kay, Allan D. Peterkin, Robin Roger y Ronald Ruskin. Toronto: University of Toronto Press, 2011. http://dx.doi.org/10.3138/9781442661813-044.

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"2. How to Round a Convex Body". En An Algorithmic Theory of Numbers, Graphs and Convexity, 41–63. Society for Industrial and Applied Mathematics, 1986. http://dx.doi.org/10.1137/1.9781611970203.ch2.

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Lee, Christine U. y James F. Glockner. "Case 5.5". En Mayo Clinic Body MRI Case Review, editado por Christine U. Lee y James F. Glockner, 252. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0133.

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42-year-old man with abdominal pain and elevated liver enzymes Axial fat-suppressed FSE T2-weighted images (Figure 5.5.1) show multiple round splenic lesions that are predominantly hypointense compared to normal spleen, with small hyperintense centers. On equilibrium phase postgadolinium 3D SPGR images (Figure ...

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Lee, Christine U. y James F. Glockner. "Case 17.15". En Mayo Clinic Body MRI Case Review, editado por Christine U. Lee y James F. Glockner, 819. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0433.

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53-year-old woman with chronic kidney disease Coronal SSFSE image (Figure 17.15.1) demonstrates massive enlargement of the right kidney, which contains multiple fatty lesions as well as several round nodules. The left kidney is surgically absent. Coronal respiratory-triggered FSE T2-weighted image (Figure ...

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Lee, Christine U. y James F. Glockner. "Case 4.18". En Mayo Clinic Body MRI Case Review, editado por Christine U. Lee y James F. Glockner, 220–21. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0116.

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52-year-old man with severe mitral insufficiency; an incidental pancreatic mass was detected on preoperative CT angiography Axial T1-weighted in-phase 2D SPGR image (Figure 4.18.1) demonstrates a round low-signal-intensity mass in the pancreatic uncinate process. Axial diffusion-weighted image (b=600 s/mm²) (...

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Lee, Christine U. y James F. Glockner. "Case 8.10". En Mayo Clinic Body MRI Case Review, editado por Christine U. Lee y James F. Glockner, 389–90. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0206.

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40-year-old man with hypertension and hyperaldosteronism; a CT performed at an outside institution demonstrated an incidental bladder mass Axial (Figure 8.10.1) and sagittal (Figure 8.10.2) fat-suppressed FSE T2-weighted images show a round, well-circumscribed mass in the posterior wall of the bladder with uniformly low T2-signal intensity....

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Yarom, Nitza. "Body, Blood and Sexuality: A Psychoanalytic Study of St. Francis’s Stigmata and Their Historical Context*". En Her Hour Come Round at Last, 317–20. Routledge, 2018. http://dx.doi.org/10.4324/9780429475481-45.

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Lee, Christine U. y James F. Glockner. "Case 7.23". En Mayo Clinic Body MRI Case Review, editado por Christine U. Lee y James F. Glockner, 349–50. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0184.

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21-year-old woman with chronic abdominal pain; CT revealed an incidental left renal mass Coronal SSFSE (Figure 7.23.1) and axial fat-suppressed FSE T2-weighted (Figure 7.23.2) images show a complex cystic lesion in the upper pole of the left kidney. Note also innumerable round lesions throughout the cortex of the left kidney showing markedly decreased T2-signal intensity. Axial arterial phase (...

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Actas de conferencias sobre el tema "Round body"

Mussert, K. M. y W. C. Verloop. "Testing Cold Work Embrittlement Behaviour: A Round Robin". En International Body Engineering Conference & Exhibition and Automotive & Transportation Technology Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2002. http://dx.doi.org/10.4271/2002-01-2096.

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Mihaescu, Mihai, David Munday y Ephraim Gutmark. "Large Eddy Simulation for Turbulent Mixing in Elliptic Jets with Round Center-Body". En 47th AIAA Aerospace Sciences Meeting including The New Horizons Forum and Aerospace Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-79.

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Izza, Sarah, Mustapha Benssalah y Rabah Ouchikh. "Security Improvement of the Enhanced 1-round Authentication Protocol for Wireless Body Area Networks". En 2018 International Conference on Applied Smart Systems (ICASS). IEEE, 2018. http://dx.doi.org/10.1109/icass.2018.8652036.

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Suto, Hitoshi y Yasuo Hattori. "Large-Eddy Simulation of a Buoyant Plume Past a Bluff Body". En 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22761.

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A large-eddy simulation (LES) of a buoyant plume past a bluff body is performed. A round heat source is placed at the center of a horizontal flat wall, and a bluff body in the shape of a thick round plate is floating right above the heat source. The modified Rayleigh number based on the total heat input is set at 1.2×1010. On the basis of past studies, the Smagorinsky model is adopted as a subgrid-scale (SGS) model, and a partial slip boundary condition based on the wall law is applied to a horizontal flat wall and a disk surface. The validity of numerical results is ascertained by comparison with theoretical solution and experimental data. The blocking of upward flow and imparting turbulence through a bluff body vary the process of developing a buoyant plume, while properties of a fully developed plume rarely vary. With heat from a bluff body, another buoyant plume is formed near the center, piled with upward flow passing around the bluff body. Moreover, main positions of buoyant production of turbulent kinetic energy move a point from near the side of the bluff body to a point near the central axis. This affects the transition to a fully developed plume in turbulence statistics.

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Kang, Can, Liang Zhou, Weifeng Wang y Haixia Liu. "Characteristics of Impinging Water Jet Discharged From a Central-Body Nozzle". En ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-16011.

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Submerged water jet discharged from a central-body nozzle was investigated through flow visualization, numerical simulation and impingement experiment. Under jet pressure of 15 MPa, three layout plans of central body were introduced and corresponding water jets were visualized by using high speed photography technique. Cavitating jet flow fields were simulated with commercial computational fluid dynamics (CFD) software Fluent which employs full cavitation model. Sandstone cuboid was used as the sample workpiece exposed to the submerged water jet of 15MPa. It is proved that cavitation tone exist in the wake flow after the central body. When the end cross-section of the central body is parallel with the nozzle outlet section, the largest axial length of cavitation zone is obtained. Compared with round water jet with the same equivalent nozzle outlet area, the central-body nozzle yields stronger impinging effect.

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Ishchenko, Irina Yurievna, Svetlana Viktorovna Michurina, Anna Stanislavovna Khotskina, Nikita Valeryevich Khotskin, Svetlana Olegovna Maslennikova y Evgenii L. Zavjalov. "The effect of round-the-clock illumination on blood hemoglobin level, body composition and endurance of C57Bl/6 mice". En 2020 Cognitive Sciences, Genomics and Bioinformatics (CSGB). IEEE, 2020. http://dx.doi.org/10.1109/csgb51356.2020.9214611.

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Tao, Yuping. "Strengthen the Body-mind Quality Educa-tion and Cultivate All-round Talents — from the perspective of school physical education". En 2013 International Conference on Information, Business and Education Technology (ICIBET-2013). Paris, France: Atlantis Press, 2013. http://dx.doi.org/10.2991/icibet.2013.95.

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Namet-Allah, A. y A. M. Birk. "Numerical and Experimental Study of Swirling Flow in a Short Annular to Round Diffuser/Nozzle". En ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-26486.

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The objective of the current paper is to gain an understanding of the effects of inlet swirling flow on the flow field through short annular transition diffusers and nozzles. These devices are representative of the primary driving nozzles for certain exhaust ejector systems. It is known that strongly swirling flow can degrade ejector performance due to core separation. It is believed that minor changes in driving nozzle shape can improve ejector performance significantly. Two configurations of a diffuser/nozzle were tested experimentally and numerically under different swirl strengths. The two configurations were mounted on an annular flow wind tunnel. Two shapes of the annulus’ centre body end; square and elliptical, were used. Based on the hydraulic inlet diameter, average velocity and temperature in the annulus of the wind tunnel, the measurements were carried out at Mach range of 0.21 to 0.26 with Reynolds number of 2.3 to 2.7×105. Ansys14 was used for the CFD simulations. The measured velocity profiles in the annulus were used as input flow conditions in the CFD investigation. The RNG k-ε turbulence model was used in the CFD simulations. The measured velocity profiles at the device exit, and measured surface pressures on the annulus, duct and nozzle walls were compared with the CFD predictions. The measured back pressure coefficient and total pressure loss through the diffuser systems were compared with the CFD predictions. A reasonable agreement between the experimental data and numerical predictions was observed. It was found computationally that the size of the central recirculation zone behind the annulus centre body has negative effects on the diffuser performance under different swirl numbers. The square shape of the annulus’ centre body end increased the back pressure and total pressure loss coefficients over the elliptical shape. However, the flow uniformity at the duct and nozzle exits improved with the square shape over the elliptical end. These differences may have a significant effect on ejector pumping.

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Kang, Can, Shengnan Xiao, Dong Liu y Feng Zhang. "Water Jet Performance Variation for Intrusion of a Cylinder Central-Body". En ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30184.

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Based on Karman vortex street principle, central-body nozzle is expected to arouse cavitation in the discharged jet and then result in strong impact on acted object. To discover the influence of central-body on flow characteristics, under the same jet pressure of 15MPa, comparison between the two free water jet fields produced respectively by a central-body nozzle and a round nozzle was conducted. Phase Doppler particle anemometry (PDPA) was applied to measure velocity distribution, turbulent fluctuation and droplet diameter distribution at different traverse sections. Experimental results show that although the annular jet tends to concentrate soon after the central body, the radial diffusion of the jet discharged from the central-body nozzle is more obvious. For the two jets kinetic energy is well remained along the jet direction and high-velocity zone is wider near the jet axis of the central-body nozzle. For the jet discharged from the central-body nozzle, turbulent fluctuation near the jet axis is relatively weak. As for possible cavitation, the position is right after the central body and the reachable distance of cavitation effect is short, which produces an inevitable restriction on the nozzle’s application. And similar Sauter mean diameter (SMD) distribution profiles are found in the two jet fields especially when distance between nozzle and traverse section gets large. The study here provides quantitative and comparative information for the two nozzles and can be referred to in further study and optimal design of central-body nozzle.

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Harris, John M., Richard J. S. Whitehouse y James Sutherland. "Marine Scour and Offshore Wind: Lessons Learnt and Future Challenges". En ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-50117.

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The drive for developing marine offshore renewables has led to specific requirements for scour hazard assessment relating to the associated foundation structures and the cabling necessary for in-field transmission and power export. To date within the United Kingdom (UK) a number of demonstrator projects have been constructed covering wind, wave and tidal generation. However, only offshore wind has been developed at large-scale at present as part of two rounds of commercial development of offshore wind farms (OWFs). In June 2008, The Crown Estate, responsible for licensing seabed use, announced proposals for a third round of offshore wind farms to develop an additional 25 GW of energy to the 8 GW already planned for under Rounds 1 and 2. The size of these Round 3 developments will vary, but the largest of these zones will involve the construction of around 2500 seabed foundation structures. Under Round 1 and 2 developments monopile and jacket type foundations have been used, although several other European (non UK) wind farms have been built using gravity base foundations. For a wind turbine the foundations may account for up to 35% of the installed cost. Therefore, one of the future challenges for large volume installation of offshore wind is the control and minimization of these costs. For tidal energy devices one of the principal requirements for many of the devices proposed is their placement in areas of strong tidal energy, and this has implications not only for the stability of the foundation option, but also for the construction methodology. Similarly wave energy devices are designed to be located in shallow, coastal environments as either floating or bottom mounted systems. These devices, by design, are intended to be located in environments with strong wave action. This may be substantial during storm events, which has implications for the integrity of the anchoring system keeping the wave device on station or the design of the device if it is seabed mounted. This paper will explore the lessons learnt from existing offshore wind farm developments as this represents the principal body of collected monitoring data. Using these data the paper will outline some of the challenges facing the offshore renewable industry in respect of the foundation designs and specifically the requirements for scour hazard assessment using the combined experience from those developments currently operational or under construction.

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