Relevant bibliographies by topics / Totally Umbilical

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

Academic literature on the topic 'Totally Umbilical'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Totally Umbilical"

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T., TSHIKUNA-MATAMBA. "A Note on Riemannian Submersions with Umbilical Fibres." Journal of Progressive Research in Mathematics 6, no. 2 (2016): 778–84. https://doi.org/10.5281/zenodo.3977521.

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In this paper, we discuss some geometric properties of Riemannian submersions whose fibres are totally contact umbilical. Some interrelations between totally contact umbilic, totally geodesic and minimality are established.
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Duggal, K. L., and D. H. Jin. "Totally umbilical lightlike submanifolds." Kodai Mathematical Journal 26, no. 1 (2003): 49–68. http://dx.doi.org/10.2996/kmj/1050496648.

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Devgan, Anu, and R. K. Nagaich. "Totally Contact Umbilical Radical Transversal Lightlike Submanifolds Of An Almost Contact Manifold With B-Metric." JOURNAL OF ADVANCES IN MATHEMATICS 13, no. 4 (2017): 7286–94. http://dx.doi.org/10.24297/jam.v13i4.6234.

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In the present paper, we study the geometry of totally contact umbilical radical transversal lightlike submanifolds and totally contact umbilical CR- submanifold of an indenite Sasaki-like almost contact manifold with B-metric. We nd the necessary and sucient condition for the characterization of the induced connection to be a metric connection. Finally, we have proved that for a totally contact umbilical CR-submanifold, totally contact umbilical radical transversal lightlike submanifold is a totally geodesic radical transversal lightlike submanifold.
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Sachdeva, Rashmi, Rakesh Kumar, and Satvinder Singh Bhatia. "Nonexistence of Totally Contact Umbilical Slant Lightlike Submanifolds of Indefinite Cosymplectic Manifolds." ISRN Geometry 2013 (June 3, 2013): 1–8. http://dx.doi.org/10.1155/2013/231869.

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We study totally contact umbilical slant lightlike submanifolds of indefinite cosymplectic manifolds. We prove that there do not exist totally contact umbilical proper slant lightlike submanifolds in indefinite cosymplectic manifolds other than totally contact geodesic proper slant lightlike submanifolds. We also prove that there do not exist totally contact umbilical proper slant lightlike submanifolds of indefinite cosymplectic space forms. Finally we give characterization theorems on minimal slant lightlike submanifolds.
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Uddin, Siraj, Zafar Ahsan, and Yaakub Hadi. "Classification of totally umbilical slant submanifolds of a Kenmotsu manifold." Filomat 30, no. 9 (2016): 2405–12. http://dx.doi.org/10.2298/fil1609405u.

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The purpose of this paper is to classify totally umbilical slant submanifolds of a Kenmotsu manifold. We prove that a totally umbilical slant submanifold M of a Kenmotsu manifold ?M is either invariant or anti-invariant or dimM = 1 or the mean curvature vector H of M lies in the invariant normal subbundle. Moreover, we find with an example that every totally umbilical proper slant submanifold is totally geodesic.
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Schdeva, Rashmi, Rakesh Kumar, and Satvinder Singh Bhatia. "Totally contact umbilical slant lightlike submanifolds of indefinite Kenmotsu manifolds." Tamkang Journal of Mathematics 46, no. 2 (2015): 179–91. http://dx.doi.org/10.5556/j.tkjm.46.2015.1727.

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In this paper, we study totally contact umbilical slant lightlike submanifolds of indefinite Kenmotsu manifolds. We prove that there does not exist totally contact umbilical proper slant lightlike submanifold in indefinite Kenmotsu manifolds other than totally contact geodesic proper slant lightlike submanifold. We also prove that there does not exist totally contact umbilical proper slant lightlike submanifold of indefinite Kenmotsu space forms. Finally, we give some characterization theorems on minimal slant lightlike submanifolds of indefinite Kenmotsu manifolds.
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Rani, Rachna, Rakesh Kumar, and R. K. Nagaich. "Totally Contact Umbilical Lightlike Hypersurfaces of Indefinite -Manifolds." Journal of Mathematics 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/395787.

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Al-Solamy, Falleh R., Meraj Ali Khan, and Siraj Uddin. "Totally Umbilical Hemi-Slant Submanifolds of Kaehler Manifolds." Abstract and Applied Analysis 2011 (2011): 1–9. http://dx.doi.org/10.1155/2011/987157.

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We study totally umbilical hemi-slant submanifolds of a Kaehler manifold via curvature tensor. We prove some classification theorems for totally umbilical hemi-slant submanifolds of a Kaehler manifold and give an example.
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Antić, Miroslava, Marilena Moruz, and Joeri Van der Veken. "H-Umbilical Lagrangian Submanifolds of the Nearly Kähler \( {\mathbb{S}^3\times\mathbb{S}^3} \)." Mathematics 8, no. 9 (2020): 1427. http://dx.doi.org/10.3390/math8091427.

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H-umbilicity was introduced as an analogue of total umbilicity for Lagrangian submanifolds since, in some relevant cases, totally umbilical Lagrangian submanifolds are automatically totally geodesic. In this paper, we show that, in the homogeneous nearly Kähler S3×S3, also H-umbilical Lagrangian submanifolds are automatically totally geodesic.
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Nikolayevsky, Yury A. "Submanifolds with totally umbilical Gauss image." Geometriae Dedicata 62, no. 2 (1996): 115–38. http://dx.doi.org/10.1007/bf00147805.

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Dissertations / Theses on the topic "Totally Umbilical"

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Silva, Euripedes Carvalho da. "Folheações ortogonais em variedades riemannianas." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/45/45131/tde-18012018-152530/.

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Neste trabalho, estabelecemos uma equação que relaciona a curvatura de Ricci de uma variedade riemanniana M e as segundas formas fundamentais de duas folheações ortogonais de dimensões complementares, F e F, definidas em M. Usando essa equação, encontramos uma estimativa da curvatura média da folheação F e uma condição necessária e suficiente para que tal folheação seja totalmente geodésica. Mostramos também uma condição suficiente para que M seja localmente um produto riemanniano das folhas de F e F, se uma das folheações for totalmente umbílica. Por fim, provamos ainda uma fórmula integral v
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ARAÚJO, Jogli Gidel da Silva. "Sobre a Geometria de Gráficos Killing Conformes Inteiros em ambientes Riemannianos Folheados." Universidade Federal de Campina Grande, 2014. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1394.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-08-09T17:08:05Z No. of bitstreams: 1 JOGLI GIDEL DA SILVA ARAÚJO - DISSERTAÇÃO PPGMAT 2014..pdf: 597763 bytes, checksum: 4efda81f9c43bb545607e3229077124a (MD5)<br>Made available in DSpace on 2018-08-09T17:08:05Z (GMT). No. of bitstreams: 1 JOGLI GIDEL DA SILVA ARAÚJO - DISSERTAÇÃO PPGMAT 2014..pdf: 597763 bytes, checksum: 4efda81f9c43bb545607e3229077124a (MD5) Previous issue date: 2014-03<br>Capes<br>Neste trabalho, estudamos a geometria de gráficos Killing conformes inteiros, isto é, gráficos construídos a partir do fluxo
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Santos, Fábio Reis dos Santos. "Sobre a Geometria de Imersões Riemannianas." Universidade Federal da Paraíba, 2015. http://tede.biblioteca.ufpb.br:8080/handle/tede/8031.

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Submitted by Maike Costa (maiksebas@gmail.com) on 2016-03-23T11:16:42Z No. of bitstreams: 1 arquivototal.pdf: 1343904 bytes, checksum: dfca90c2164204a1513fc4a55eca4527 (MD5)<br>Made available in DSpace on 2016-03-23T11:16:43Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 1343904 bytes, checksum: dfca90c2164204a1513fc4a55eca4527 (MD5) Previous issue date: 2015-05-26<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Our purpose is to study the geometry of Riemannian immersions in certain semi- Riemannian manifolds. Initially, considering linearWeingarten hypersurfa
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Yakubov, Igor. "Totale umbilikale laparoskopische Cholezystektomie versus konventionelle laparoskopische Cholezystektomie." Diss., Ludwig-Maximilians-Universität München, 2015. http://nbn-resolving.de/urn:nbn:de:bvb:19-182423.

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Kanahashi, Toru. "Relationship Between Physiological Umbilical Herniation and Liver Morphogenesis During the Human Embryonic Period: A Morphological and Morphometric Study." Kyoto University, 2020. http://hdl.handle.net/2433/252984.

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Fachinelli, Aldo. "Avaliação qualitativa e quantitativa do colágeno total, tipo I e III da linha alba em pacientes portadores de hérnia da parede abdominal anterior." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2005. http://hdl.handle.net/10183/5080.

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No presente trabalho foram colhidas amostras da aponeurose da linha alba abdominal de 26 pacientes com idades entre 26 e 75 anos, portadores de hérnias da parede abdominal anterior, para avaliação qualitativa e quantitativa do colágeno total, tipo I e III. Oito desses pacientes foram operados no Hospital de Clínicas de Porto Alegre (HCPA), quatro no Hospital Pompéia de Caxias do Sul (HP) e 14 na Clínica Particular do autor (CPA) em Caxias do Sul. Todos os pacientes eram portadores de hérnias da parede abdominal anterior, sendo seis casos de hérnias incisionais, 11 casos de hérnias umbilicais e
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Baltazar, Halyson Irene. "Sobre a aplicaÃÃo de Gauss para hipersuperfÃcies com curvatura de ordem superior constante em esferas." Universidade Federal do CearÃ, 2009. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=2623.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>Nesse trabalho iremos considerar uma hipersuperficie conexa, completa e orientÃvel da esfera unitÃria euclidiana Sn+1 com curvatura de ordem superior constante positiva. Provaremos sob certas condiÃÃes geomÃtricas, que caso a imagem da AplicaÃÃo de Gauss de M estiver contida em um hemisfÃrio fechado,entÃo M Ã uma hipersuperfÃcie totalmente umbÃlica de Sn+1 .<br>In this work we will consider connected, complete and orientable hyper-surface of the unit euclidean sphere Sn+1 with constant positive high order curvature. We will prove
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Yakubov, Igor Verfasser], and Horst-Günter [Akademischer Betreuer] [Rau. "Totale umbilikale laparoskopische Cholezystektomie versus konventionelle laparoskopische Cholezystektomie : eine vergleichende, retrospektive Untersuchung im HELIOS Amper-Klinikum Dachau / Igor Yakubov. Betreuer: Horst-Günter Rau." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2015. http://d-nb.info/1072376415/34.

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Huang, Yu-Hsian, and 黃郁翔. "Transplantation of Islet-Like Cell Aggregates Derived from Umbilical Cord Stromal Mesenchymal Stem Cells to Treat Total Pancreatectomized Pigs." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/93484227398435888318.

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碩士<br>國立陽明大學<br>解剖學及細胞生物學研究所<br>99<br>Summary Objective: Diabetes mellitus is still a problem to yield an effective radical cure in current clinical medicine field. It has been shown that stem cells were not only clinically effective in therapeutic improvement on various diseases but also had the potential to be induced to insulin producing cells. This study was to investigate the functional influence of post-transplanted differentiated islet-like cell aggregates induced from umbilical cord stromal mesenchymal stem cells on the physiological changes and survival rates of total pancreatectomi
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Book chapters on the topic "Totally Umbilical"

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Gokcal, Fahri, and Omar Yusef Kudsi. "Robotic Umbilical Hernia Repair: Totally Extraperitoneal (TEP)." In Robotic Hernia Surgery. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-46667-1_3.

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Bejancu, Aurel. "Totally umbilical degenerate Monge hypersurfaces of R 2 4." In New Developments in Differential Geometry. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0149-0_4.

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Naveira, A. M., and A. H. Rocamora. "A geometrical obstruction to the existence of two totally umbilical complementary foliations in compact manifolds." In Lecture Notes in Mathematics. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/bfb0074589.

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Boyom, Michel Nguiffo, Aliya Naaz Siddiqui, Wan Ainun Mior Othman, and Mohammad Hasan Shahid. "Classification of Totally Umbilical CR-Statistical Submanifolds in Holomorphic Statistical Manifolds with Constant Holomorphic Curvature." In Lecture Notes in Computer Science. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-68445-1_93.

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Kumar Singh, Sanjay, and Punam Gupta. "Clairaut Submersion." In Advanced Topics of Topology [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.101427.

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In this chapter, we give the detailed study about the Clairaut submersion. The fundamental notations are given. Clairaut submersion is one of the most interesting topics in differential geometry. Depending on the condition on distribution of submersion, we have different classes of submersion such as anti-invariant, semi-invariant submersions etc. We describe the geometric properties of Clairaut anti-invariant submersions and Clairaut semi-invariant submersions whose total space is a Kähler, nearly Kähler manifold. We give condition for Clairaut anti-invariant submersion to be a totally geodes
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Jesus, Meirielly S., Fernando Mata, Ricardo M. P. Pinto, Susana Rocha, and Manuela Vaz-Velho. "COMPOSIÇÃO APROXIMADA DE QUATRO ALGAS COMUNS À COSTA PORTUGUESA." In Tendências e estratégias para a agroindústria do futuro. Instituto Internacional Despertando Vocações, 2022. http://dx.doi.org/10.31692/978-65-88970-27-0.188-200.

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Four macroalgae species, three red algae (Palmaria palmata, Gracilaria gracilis and Porphyra umbilicalis) and one green algae (Ulva rigida) were analysed to calculate and compare their proximate composition. These algae were grown in aquaculture in the same geography, and were also harvested in the same season. Ulva rigida differentiates the most from the other with higher contents of carotenoids and lower content in ashes. Palmaria palmata shows the lower contents in total sugars, lipids, and protein, but higher in ashes. Porphyra umbilicalis and Gracilaria gracilis have similar contents show
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"Shark Nursery Grounds of the Gulf of Mexico and the East Coast Waters of the United States." In Shark Nursery Grounds of the Gulf of Mexico and the East Coast Waters of the United States, edited by REBEKA R. MERSON and HAROLD L. PRATT. American Fisheries Society, 2007. http://dx.doi.org/10.47886/9781888569810.ch3.

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&lt;em&gt;Abstract.&lt;/em&gt;—Historically, primary nursery (pupping) grounds of the sandbar shark &lt;em&gt;Carcharhinus plumbeus &lt;/em&gt;along the U.S. East Coast extended as far north as Great South Bay, Long Island, New York. We conducted gill-net and hook-and-line surveys during July and August 1996, in coastal bays of New Jersey and New York, to investigate whether these historical nursery areas were still utilized by sandbar sharks. No sandbar sharks were caught in Great South Bay, Shinnecock Bay, or Peconic Bay, New York or in Barnegat Bay, New Jersey. Seventeen sandbar sharks meas
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Halimah Jaafar, Sharifah, Iskandar Khalid, and Shahridan Mohd Fathil. "3D Total Laparoscopic Hysterectomy of a Very Large Uterine Myoma in a Super Morbidly Obese Woman of Body Mass Index 60 Kg/m2: A Case Report and a Literature Review." In Hysterectomy Matters [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.113206.

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A 40-year-old Malay nulliparous female, morbidly obese (height 161 cm, weight 158.5 kg, BMI 60.1 kg/m2) presented with a large uterine fibroid, FIGO Grade 4 with its upper border extending up to the 4 cm above the umbilicus. After 6 months of GnRH suppression, she consented to a total laparoscopic hysterectomy. Preoperatively, she was optimized, and bowel preparation was done with 3 days of liquid diet, a rectal enema, and antacid pre-induction. A nasogastric tube was inserted before port entry. The ports were placed higher, with the primary port at the epigastric region and the working ports
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Conference papers on the topic "Totally Umbilical"

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Jenkins, Alyn, William Cardwell, Alex McRae, and Andre Saraceno Meliande. "Formulation of Novel Combination Production Chemicals for Deepwater Oil and Gas Fields." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17608.

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Abstract Deepwater oil and gas fields are generally classified as developments located in water depths greater than 500 m.1 Applying production chemicals in deepwater fields presents multiple challenges because the operating temperature of deepwater oil fields is often greater compared to that of shallow or onshore developments. Furthermore, the extended reach of deepwater chemical umbilicals results in longer residence times for the chemicals within them and lengthy exposure to the high-pressure (HP), low-temperature environment. Long-term stability of chemicals under these conditions is an e
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Graham, G. M., E. J. Mackay, S. J. Dyer, and H. M. Bourne. "The Challenges for Scale Control in Deepwater Production Systems: Chemical Inhibition and Placement." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02316.

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Abstract Inorganic precipitates (scales) are one of the major flow assurance concerns in offshore oil and gas production, and lead to significant reductions in productivity and costly workovers if allowed to form uncontrolled. Scale prevention by the use of chemical inhibitors, applied either by continual injection or by squeeze treatment into the near wellbore formation, has been generally regarded as the most cost effective solution to the problem. Deepwater production brings with it a number of additional challenges to the control of inorganic scale. This paper examines the various inorgani
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NAKOVA, Galia. "ON TOTALLY UMBILICAL AND SCREEN TOTALLY UMBILICAL RADICAL TRANSVERSAL LIGHTLIKE HYPERSURFACES OF KÄHLER-NORDEN MANIFOLDS." In 4th International Colloquium on Differential Geometry and its Related Fields. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814719780_0011.

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Shanker, Gauree, and Ankit Yadav. "A study on the geometry of totally umbilical (TU) screen-transversal (ST) lightlike submanifolds of metallic semi-Riemannian manifolds." In PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON FRONTIERS IN INDUSTRIAL AND APPLIED MATHEMATICS 2020: FIAM-2020. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0085626.

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Wagner, Olivier, Guy Durand, Jérôme Peultier, Anne Courbot, Jean-Philippe Roques, and Henri Romazzotti. "Design Advantages on Umbilical Systems Brought by a New High Performance SDSS Tube." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10426.

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Subsea umbilical systems developed for deep offshore applications become more and more demanding regarding injection capacity, number of functionalities and water depth. Some applications, such as subsea boosting, subsea separation or gas lift are even more severe, leading to tube temperature, which can exceed, in some cases 70°C. These operating conditions and requirements are significantly impacting the performance of the main umbilical. The most common solution, to avoid such issues, is to design thicker tubes to improve the strength of the umbilical cross section. The positive effect of th
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Passano, Elizabeth, Shahriar Abtahi, and Torfinn Ottesen. "A Procedure to Include Slip Damping in a VIV Analysis of an Umbilical." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54816.

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Ocean currents may cause vortex induced vibrations (VIV) of deep-water umbilicals. The VIV response may give significant contributions to the total fatigue damage. Good estimations of the VIV response and damage are therefore important for the design of deep-water umbilicals. As VIV response is very sensitive to the structural damping, good response and fatigue estimates will be dependent on good estimates of the damping and that they are included in the VIV response analysis in a consistent way. A complex cross section such as an umbilical or a flexible riser will have two sources of structur
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KIMURA, MAKOTO, and SADAHIRO MAEDA. "TOTALLY UMBILIC HYPERSURFACES AND ISOPARAMETRIC HYPERSURFACES IN SPACE FORMS." In Proceedings of the 7th International Workshop on Complex Structures and Vector Fields. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701763_0014.

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Ottesen, Torfinn. "Experimental Investigation of Power Umbilical Damping." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-62584.

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Ocean currents may cause vortex induced vibrations (VIV) of deep-water umbilicals and cables. Since the VIV response may give significant contributions to the total fatigue damage it is important to know the structural damping for relevant curvature levels. A laboratory test has been performed on a 12.5 m long test specimen to determine the damping for a range of curvature levels that are in the vicinity of the stick-slip transition region. The energy input to maintain steady state oscillations with curvature amplitudes in the range 0.0002–0.001 m−1 was measured. The steady state energy input
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Nogueira, Gabriela Gomes, Natalia Santos Duarte, Giovanna Figueiredo Chagas, et al. "Endometriose umbilical: um relato de caso." In Resumos do 48º Congresso de ginecologia e obstetrícia. Zeppelini Editorial e Comunicação, 2024. https://doi.org/10.5327/jbg-2965-3711-2024134s1055.

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Introdução: A endometriose é definida como a presença de tecido endometrial funcionante fora da cavidade uterina. Estima-se que acometa 12% das mulheres em idade fértil, e o sítio mais comum é intrapélvico. Não se sabe ao certo a sua fisiopatologia, mas a teoria mais aceita é explicada pelo fluxo retrógrado da menstruação, seguida pela teoria da transformação metaplásica e deposição iatrogênica. A endometriose umbilical é uma patologia rara que acomete de 0,5% a 1% de todas as doenças extrapélvicas e é a manifestação mais comum da endometriose cutânea. A sintomatologia envolve edema umbilical,
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Abreu, Nayani Lourdes Jansen, André Leal Godinho Neto Primeiro, and Cinthya Leticia Silva Ribeiro. "A IMPORTÂNCIA DO INVESTIMENTO EM BANCOS PÚBLICOS DE SANGUE DE CORDÃO UMBILICAL NO BRASIL." In II Congresso Brasileiro de Hematologia Clínico-laboratorial On-line. Revista Multidisciplinar em Saúde, 2022. http://dx.doi.org/10.51161/hematoclil/52.

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Introdução: É inegável a efetividade das células-tronco hematopoiéticas no tratamento de doenças, como: Leucemia Mieloide Aguda, Linfoma de Hodgkin e Síndrome de Chediak-Higashi. Ademais, as células-tronco do cordão umbilical são exemplo de células totipotentes, ou seja, com alta capacidade de diferenciação. Apesar de já existir, no Brasil, bancos de sangue de cordão umbilical privados e públicos, por conta do alto custo, a efetividade dos públicos é menor. Consequentemente, esse fato torna limitada a abrangência da obtenção de tratamento a todos os pacientes que necessitam. Objetivo: Analisar
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Reports on the topic "Totally Umbilical"

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Nakova, Galia. Totally Umbilical Radical Screen Transversal Half Lightlike Submanifolds of Almost Contact B-metric Manifolds. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, 2021. http://dx.doi.org/10.7546/crabs.2021.01.02.

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