Bibliographies thématiques / Underwater Research and Recovery Unit

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Littérature scientifique sur le sujet « Underwater Research and Recovery Unit »

Auteur : Grafiati

Publié le 25 juillet 2024

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Underwater Research and Recovery Unit"

Carton, Geoffrey, J. C. King, and R. Josh Bowers. "Munitions-Related Technology Demonstrations at Ordnance Reef (HI-06), Hawaii." Marine Technology Society Journal 46, no. 1 (2012): 63–82. http://dx.doi.org/10.4031/mtsj.46.1.9.

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AbstractDevelopment of methods and technologies to characterize sites with underwater military munitions (UWMM) and respond to UWMM where the risks posed to human health or the environment or explosive hazards are unacceptable is underway. Department of Defense Military Munitions Sea Disposal Site Hawaii (HI-06), referred to locally as Ordnance Reef, is off Oahu’s leeward coast. This site has become the focal point for research on UWMM. Past studies found that the site presents no immediate danger to public safety. The location and water depth at this site present advantages for UWMM research

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O, Tărăbuță. "A Study of the Feasibility of Autonomous Underwater Vehicles and Remotely Operated Vehicles in Black Sea." Scientific Bulletin of Naval Academy XIX, no. 1 (2018): 440–47. http://dx.doi.org/10.21279/1454-864x-18-i1-067.

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An underwater vehicle designed for industrial use in the Black Sea has to tackle two specific characteristics of it, given by its enclosed nature: the strong vertical stratification and the high content of hydrogen sulfide at greater depths. These particular environmental conditions impose also new approaches of design and technology for construction. The innovation foreseen of our study is the very concept of a universal underwater vehicle, based on modular design. Currently, unmanned underwater vehicles are controlled in two main ways, either autonomously (AUV) or by data transfer through an

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Chen, Le, Zhipeng Lin, Taiju Yin, Zhongchao Li, Chunsheng Shen, and Bobo Luo. "Analysis of Reservoir Architecture of Shallow-water Delta Front Based on Process—A Case of S2L410 in Southern 79 Block in Wennan Oilfield." Studies in Engineering and Technology 4, no. 1 (2017): 96. http://dx.doi.org/10.11114/set.v4i1.2530.

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The sand body distribution is relatively limited in this block, the lens-shaped sandbodies are more developed, the change of intergranular sandbody is fast and the internal architecture of the sand body is complex, which results in the difficulties of the arrangement of horizontal wells in the study area and the tapping of remaining oil in high water reservoirs. In this paper, taking an example of S2L410 sandbodies in Wen 79 Southern Block, rich drilling data, core data, logging data and geological research results accumulated over many years in Wennan Oilfield were applied to discuss the anat

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Popov, Vladimir Vladimirovich, Aleksandra Vitalievna Ivanovskaya, Valentin Leonidovich Erofeev, and Elena Vladimirovna Bogatyreva. "Specific features of methodology for conducting experimental studies of adaptive control system of ship lifting devices." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2022, no. 3 (2022): 40–49. http://dx.doi.org/10.24143/2073-1574-2022-3-40-49.

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Lowering and recovery operations, as well as towing underwater and surface objects are carried out with the help of a ship winch. As a result of the impact of any external disturbances, longitudinal oscillations appear in the towing rope, whose resonant maxima may fall into the vessel’s frequency range. The longer the cable, the greater the number of resonant frequencies in the operating range. Such operating conditions of the ship’s lifting equipment have a negative impact on the operation of the ship’s power plant as a whole. In order to increase the reliability of deck lifting equipment it

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Wang, Zhenfei, Meixin Hu, and Ketao Zhang. "Underwater Turbid Media Stokes-Based Polarimetric Recovery." Sensors 24, no. 5 (2024): 1367. http://dx.doi.org/10.3390/s24051367.

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Underwater optical imaging for information acquisition has always been an innovative and crucial research direction. Unlike imaging in the air medium, the underwater optical environment is more intricate. From an optical perspective, natural factors such as turbulence and suspended particles in the water cause issues like light scattering and attenuation, leading to color distortion, loss of details, decreased contrast, and overall blurriness. These challenges significantly impact the acquisition of underwater image information, rendering subsequent algorithms reliant on such data unable to fu

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Zhang, Dong, Xingming Ma, Xue Zhang, Peng Gao, and Kai Li. "Research on a Miniature Underwater Vehicle Based on a Multi-Unit Underwater Coupled Jet Drive." Actuators 14, no. 5 (2025): 244. https://doi.org/10.3390/act14050244.

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The underwater unstructured environment poses new challenges for the miniaturization and flexibility of underwater vehicles. This paper proposes a method of using micrometer-scale vibrations of piezoelectric vibrators to drive macroscopic jets. Then, we use two coupled piezoelectric jet driving units to construct a miniature underwater vehicle. Numerical simulation is used to investigate the flow field characteristics of coupled jets. Finally, the impact of the angle between the two piezoelectric jet drive units on the propulsion force is analyzed. The miniature underwater vehicle measures 77.

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Xue, Teng, Tianchi Zhang, and Jing Zhang. "Research on Underwater Image Restoration Technology Based on Multi-Domain Translation." Journal of Marine Science and Engineering 11, no. 3 (2023): 674. http://dx.doi.org/10.3390/jmse11030674.

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Underwater images are crucial in various underwater applications, including marine engineering, underwater robotics, and subsea coral farming. However, obtaining paired data for these images is challenging due to factors such as light absorption and scattering, suspended particles in the water, and camera angles. Underwater image recovery algorithms typically use real unpaired dataset or synthetic paired dataset. However, they often encounter image quality issues and noise labeling problems that can affect algorithm performance. To address these challenges and further improve the quality of un

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Ren, Zhibin, Meng Wang, Xianhu Luo, Chentao Wang, and Tailong Chen. "Research on Underwater Constant High-Voltage DC Switching Technology for MCSEM." Sensors 24, no. 20 (2024): 6598. http://dx.doi.org/10.3390/s24206598.

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The marine controlled source electromagnetic (MCSEM) transmitter can transmit high currents near the seabed to detect the electrical structure of the seafloor. The use of three-phase alternating current (AC) transmission can lead to three-phase imbalance, which results in an excessive current in one phase’s power line and affects the safety of the tow cable. This paper proposes an MCSEM underwater constant high-voltage direct-current (DC) switching scheme that replaces AC transmission with DC transmission. This scheme can fundamentally avoid three-phase imbalance and the AC loss caused by indu

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Zhao, Jie, Yilin Liang, Yudi Fang, et al. "Research on the Unit Black-Start Strategy Considering Recovery Path and Start Sequence." Sustainability 14, no. 20 (2022): 13057. http://dx.doi.org/10.3390/su142013057.

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Large-scale power outage events bring serious economic losses to national and social development and cause bad impacts, and the reasonable formulation of a unit black-start strategy is the basis of power outage recovery. Firstly, the Dijkstra shortest path algorithm is used to search for the optimal recovery path of the unit to be started after a major blackout occurs, and secondly, a comprehensive index of the unit start sequence considering the unit characteristics and unit distance is defined to guide the unit start sequence formulation by combining the unit capacity, climbing rate, start p

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Zhang, Wei, Haitian Chen, Tao Chen, Zheping Yan, and Hongliang Ren. "Research on Coordinated Robotic Motion Control Based on Fuzzy Decoupling Method in Fluidic Environments." Mathematical Problems in Engineering 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/820258.

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The underwater recovery of autonomous underwater vehicles (AUV) is a process of 6-DOF motion control, which is related to characteristics with strong nonlinearity and coupling. In the recovery mission, the vehicle requires high level control accuracy. Considering an AUV called BSAV, this paper established a kinetic model to describe the motion of AUV in the horizontal plane, which consisted of nonlinear equations. On the basis of this model, the main coupling variables were analyzed during recovery. Aiming at the strong coupling problem between the heading control and sway motion, we designed

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Thèses sur le sujet "Underwater Research and Recovery Unit"

Orire, Endurance. "The techno-economics of bitumen recovery from oil and tar sands as a complement to oil exploration in Nigeria / E. Orire." Thesis, North-West University, 2009. http://hdl.handle.net/10394/5704.

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The Nigeria economy is wholly dependent on revenue from oil. However, bitumen has been discovered in the country since 1903 and has remained untapped over the years. The need for the country to complement oil exploration with the huge bitumen deposit cannot be overemphasized. This will help to improve the country's gross domestic product (GDP) and revenue available to government. Bitumen is classifled as heavy crude with API (American petroleum Institute) number ranging between 50 and 110 and occurs in Nigeria, Canada, Saudi Arabia, Venezuela etc from which petroleum products could be derived.

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WEN, CHANG YA, and 張雅雯. "Research on the Learning Effect of Combining the Issue of Biodiversity with Science and Technology DomainTake the Unit of “Underwater Species” for Example." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/65663973739300728966.

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碩士<br>國立臺北教育大學<br>自然科學教育學系碩士班<br>94<br>The goal of this research is to discuss the influence of teaching the unit of “Underwater Species” combining the issue of biodiversity with Science and Technology Domain on the students’ concept of underwater species, the students’ attitude toward the protection of biodiversity, and the students’ capacity of the identification of biodiversity. Additionally, to understand thoughts and feedback from students after receiving the combined curriculum is another end. This research uses Quasi-experiment and, mainly, quantitative statistic analysis. The rese

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Livres sur le sujet "Underwater Research and Recovery Unit"

Reid, Gary R. Standard operating guidelines for San Diego County Sheriff Department's Underwater Research and Recovery Unit. 2004.

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Barnhard, Megan, and Jade Rivera. Could You Live Underwater?: A Design Thinking and STEM Curriculum Unit for Curious Learners. Taylor & Francis Group, 2021.

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Barnhard, Megan, and Jade Rivera. Could You Live Underwater?: A Design Thinking and STEM Curriculum Unit for Curious Learners. Prufrock Press, 2018.

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Barnhard, Megan, and Jade Rivera. Could You Live Underwater?: A Design Thinking and STEM Curriculum Unit for Curious Learners. Prufrock Press, 2018.

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Barnhard, Megan, and Jade Rivera. Could You Live Underwater?: A Design Thinking and STEM Curriculum Unit for Curious Learners. Taylor & Francis Group, 2021.

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Could You Live Underwater?: A Design Thinking and STEM Curriculum Unit for Curious Learners. Taylor & Francis Group, 2021.

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Gutzeit, Joerg. Crude Unit Corrosion Guide. 3rd ed. NACE International, The Worldwide Corrosion Authority15835 Park Ten Place Houston, TX 77084, 2016. https://doi.org/10.5006/37612.

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This Guide was written for Plant Operators, Process Engineers, Metallurgists, Maintenance Engineers, Inspectors, and all others who deal with crude unit corrosion and fouling issues on a daily basis. The book is based on the author’s experience dealing with many crude units and also reflects the industry’s consensus experiences reported at past meetings of the former NACE STG34 Committee on Petroleum Refining and Gas Processing and the API Subcommittee on Corrosion and Materials. Diluent recovery units (DRUs) and vacuum distillation units (VDUs) of bitumen upgraders are now included in the dis

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Hoff, Scott, and Nancy A. Collop. Sleep Disorders and Recovery from Critical Illness. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199653461.003.0022.

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Many factors contribute to sleep disruption in critically ill patients. Sleep is a complex process, with broad effects on diverse physiologic systems. Environmental factors, such as light exposure, noise from diverse sources, and sleep interruptions related to patient care, have all received considerable investigational attention. Critical illness can affect elements involved in sleep initiation and maintenance. The various modes of mechanical ventilation may have different effects on sleep fragmentation and on the propensity to cause central apnoeas, thereby potentially prolonging the time on

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Laurent, Julien, Randal Samstag, Jim Wicks, and Ingmar Nopens, eds. CFD Modelling for Wastewater Treatment Processes. IWA Publishing, 2022. http://dx.doi.org/10.2166/9781780409030.

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Abstract This Scientific and Technical Report (STR) provides in-depth fundamentals and guidelines regarding Computational Fluid Dynamics (CFD) simulations of Water Resources Recovery Facilities (WRRFs) unit processes (e.g. headworks, aerobic and anaerobic biological reactors, settling tanks, disinfection). Each unit process is described with respect to: Literature review and process descriptionRelevant CFD concepts and modelling approachCase studiesFuture research needs CFD Modelling for Wastewater Treatment Processes also opens the discussion on two fundamental topics: experimental validation

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Elliott, Doug, and Linda Denehy. Post-ICU Rehabilitation. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199653461.003.0051.

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More than three-quarters of patients who experience a critical illness and intensive care unit admission survive their initial physiological insult and are subsequently discharged from hospital. Some of these survivors have physical, psychological, or cognitive deficits that persist and delay optimal recovery in the following months and, in some instances, years. A range of generic screening and functional assessment strategies has been used with post-ICU cohorts, but methodological limitations were evident. Further research is therefore required, possibly using a battery of instruments to cov

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Chapitres de livres sur le sujet "Underwater Research and Recovery Unit"

Ni, Tian, Lindan Zhang, Can Sima, Jia Guo, and Haibo Wu. "Research on Autonomous Docking Control for Underwater Recovery of Unmanned Submersible Vehicles." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1095-9_18.

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Muthucumarana, Rasika. "The Development of the Maritime Archaeology Unit, MUCH Management and Current Research Projects in Sri Lanka." In Maritime and Underwater Cultural Heritage Management on the Historic and Arabian Trade Routes. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55837-6_2.

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Garipağaoğlu-Uğur, Nihan, and Orhan Akova. "The Use of Virtual Reality and Augmented Reality in Cultural Heritage and Deep-Diving Destinations." In Handbook of Research on Digital Communications, Internet of Things, and the Future of Cultural Tourism. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-8528-3.ch008.

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Underwater cultural heritage and deep diving are important attractions for tourism. Using cutting-edge technology tools for cultural heritage became more important for tourism destinations. The purpose of this chapter is to evaluate the use of virtual reality (VR) and augmented reality (AR) in tourism from the perspective of cultural heritage and deep diving. This chapter will contribute to the literature to show a new way of sustainable tourism. Commercial diving to an underwater heritage site a is popular touristic activity. Sometimes shipwreck recovery can be hazardous for cultural heritage

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Akah, A. "The Role of Rare Earths in Fluid Catalytic Cracking (FCC) Catalyst." In Materials Research Foundations. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903056-9.

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Rare earth oxides enhance catalyst activity and prevent the loss of acid sites during the FCC unit operation, especially when feed with high metal content is used. This chapter reviews the effects of rare earth elements on the structure, activity, and stability of FCC catalysts. It also looks into the mechanism of catalyst deactivation by vanadium and how rare earths are used to combat this. The objective is to elucidate the interaction of vanadium species with the zeolite component of the FCC catalysts and to show the role of rare earth elements in countering the deleterious effects of vanadi

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Osa, Edosa, and Daniel Chinemelem Samuels. "Design of a Control System for an Autonomous Underwater Vehicle EDYSYS1." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230504.

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This paper describes the design of a control system for an autonomous underwater vehicle EDYSYS 1. An autonomous underwater vehicle is an unmanned and self-propelled underwater vessel that can operate independently underwater and carry out several missions as assigned to it compared to a Remotely Operated Vehicle (ROV) which is usually tethered to a ship or some other moored water vehicle. Intelligent design of control systems for autonomous underwater vehicles is an active area of research giving the demands for autonomy and the capacity for intelligent systems to satisfy such demands. A cont

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Leal, Wanessa Oliveira, and Pâmela Andressa Freitas Franco. "Family-centered nursing care in the neonatal intensive care unit." In Challenges and Research in Health Sciences: A Multidisciplinary Approach. Seven Editora, 2024. http://dx.doi.org/10.56238/sevened2024.012-032.

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Family-centered nursing care in the Neonatal Intensive Care Unit is a holistic approach that recognizes the importance of the family in the care and development of the newborn and involves them as an integral part of the healthcare team, valuing their needs, concerns and experiences during the newborn's hospitalization. The aim of this study was to discuss family-centered nursing care in the Neonatal Intensive Care Unit. This is an integrative review and its guiding question was: "What is family-centered nursing care in the Neonatal Intensive Care Unit?". The databases used were BDENF, MEDLINE

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Mpala, Tshepiso, Indira Chimanlal, Heidi Richards, Anita Etale, and Lebea N. Nthunya. "Hybrid membrane processes equipped with crystallization unit for a simultaneous recovery of freshwater and minerals from saline wastewater." In Development in Wastewater Treatment Research and Processes. Elsevier, 2024. http://dx.doi.org/10.1016/b978-0-323-99278-7.00010-9.

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Gracia Alonso, Francisco. "Violence, Armies, and Archaeological Research from the Nineteenth to the Twenty-First Century." In The Oxford Handbook of the History of Archaeology. Oxford University Press, 2024. http://dx.doi.org/10.1093/oxfordhb/9780190092504.013.18.

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Abstract This chapter analyzes the profound relationship between armies and archaeological research from the mid-nineteenth to the twenty-first century. Among other questions, it examines the development and technical advances of aerial and underwater archaeology; the protection of historical and archaeological heritage in wartime since the mid-twentieth century, including the utilization of prisoners of war; the links between the army, political systems, and archaeology in the definition of the state’s historical narratives; the development of conflict archaeology as a basis for the reassessm

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Yu, Haiyang, Qiyu Huang, and Huan Liu. "Analysis and Optimization of Carbon Dioxide Liquefaction Process in Songnan Gas Field." In Advances in Transdisciplinary Engineering. IOS Press, 2024. http://dx.doi.org/10.3233/atde240702.

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Under the background of carbon peak and carbon neutrality in China, oil and gas enterprises are responsible for the effective recycling of high-concentration carbon dioxide emission sources. Since the carbon dioxide liquefaction and recovery unit of Songnan Gas Field was put into operation in 2011, it has not reached the design capacity, and the stable production capacity can only reach 30% of the design capacity due to unstable compressor operation, low liquefaction pressure, insufficient cold supply and other reasons. In order to improve the recovery and utilization rate of carbon dioxide re

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Du, Jianwei, Hui Li, Miaochen Zhang, and Hongtao Liu. "Operation Strategy of Single Unit Tripping in Multi-Units IGCC Power Plant." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220398.

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Integrated Gasification Combined Cycle power generation technology is recognized as one of the important future development directions of clean power generation. Taking a large-scale IGCC power plant as the research object, the operating strategy of single unit tripping in multi-units was discussed in this paper. Gasification unit and air separation unit shall ramp down and balance with various gas demand in 1–2 minutes after one-unit trips. Duct burners of heat recovery steam generator can be used to produce more steam and increase steam turbines output subsequently. New stabilized power outp

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Actes de conférences sur le sujet "Underwater Research and Recovery Unit"

Sun, Jianxin, Rui Liu, Yue Lian, Yichen Wang, and Di Wang. "Research on underwater image processing method based on feature transformation unit." In International Conference on Cloud Computing, Performance Computing, and Deep Learning, edited by Wanyang Dai and Xiangjie Kong. SPIE, 2024. http://dx.doi.org/10.1117/12.3051059.

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Wang, Chen, Fanghua Liu, Binghua Liu, Junwei Lv, and Longyi Jiang. "Research on Attitude Control of Underwater Unmanned Autonomous Vehicle Recovery Platform Based on Active Disturbance Rejection Sliding Mode Control." In 2024 4th International Symposium on Artificial Intelligence and Intelligent Manufacturing (AIIM). IEEE, 2024. https://doi.org/10.1109/aiim64537.2024.10934310.

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Yunfei, Li, Chen Xiaotao, Ma Linrui, Li Ming, Zhang Qiang, and Mei Shengwei. "Research on Bi-level Optimal Dispatching of Hydro-solar-energy Storage Complementary System and Thermal Power Unit based on Underwater Compressed Air Energy Storage." In 2024 6th International Conference on Power and Energy Technology (ICPET). IEEE, 2024. https://doi.org/10.1109/icpet62369.2024.10941427.

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Kim, Donghyeon, Minseong Park, Donggeun Kang, Dongin Jung, Siuk Roh, and Jiyong Kim. "Potential of chemical looping for green hydrogen production from biogas: process design and techno-economic-environmental analysis." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.102795.

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Hydrogen (H2), as the promising alternative to fossil fuel-based energy carriers, faces the critical challenge of diversifying its sources and lowering production costs. Biogas, produced from organic waste, offers a renewable and carbon-neutral option for H2 production, but its high CO2 content requires a pre-separation process of CO2 from CH4 or specialized catalysts for use in existing reforming processes. Chemical looping reforming (CLR), as an advanced H2 production process, uses an oxygen carrier (OC) as the oxidant, allowing raw biogas to be used directly in the reforming process. Recent

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Gerber, Hans W., and Gu¨nther F. Clauss. "Space Shuttle MODUS: Key System for the Installation of Networks of Benthic Stations." In ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2005. http://dx.doi.org/10.1115/omae2005-67107.

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In the last decade within several European and bi-national (German-Italian) projects a set of equipment and technology for benthic stations, and their deployment and recovery has been developed. Starting with a single prototype station which operated autonomously for several months in the Mediterranean Sea (GEOSTAR2 – Geophysical and Oceanographic Station for Abyssal Research – Deep Sea Mission, 1999–2001, /1/) with a near-real-time-communication-system including a acoustic link from station to buoy and a shore radio link. This concept has been extended to realize a sub-sea network of several

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Malinda, H. A. N., M. M. T. M. Marasingha, S. C. D. Senarath, P. C. Dassanayake, and A. L. Kulasekara. "Experimental bending performance characterization of sHAMs used underwater growing robot." In Engineering Research Unit Symposium 2023. Engineering Research Unit, 2023. http://dx.doi.org/10.31705/eru.2023.7.

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Soft-growing robots represent an emerging field characterized by their ability to extend at the tip while the base remains stationary. These robots offer a unique advantage in navigating through confined spaces inaccessible to humans. Specifically, in underwater exploration tasks, their flexible bodies render them particularly efficient. Moreover, these robots exhibit the capability to steer even while growing. There exist several steering methods including sHAMs (soft Hydraulic Artificial Muscles), sPAMs (soft Pneumatic Artificial Muscles), tendon-driven techniques, and predefined bending mec

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Navasardian, A. A. "Underwater hydro unit with the combined energy extraction." In 2014 International Conference on Renewable Energy Research and Application (ICRERA). IEEE, 2014. http://dx.doi.org/10.1109/icrera.2014.7016549.

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Sun, Yushan, Lifeng Wang, Xiangrui Ran, and Guocheng Zhang. "Research on Recovery Strategy and Motion Control for Autonomous Underwater Vehicle." In 2018 International Conference on Advanced Control, Automation and Artificial Intelligence (ACAAI 2018). Atlantis Press, 2018. http://dx.doi.org/10.2991/acaai-18.2018.4.

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Perera, K. L. M., T. I. Hettiarachchi, J. A. A. S. Kumara, R. M. M. Ruwanthika, and P. S. S. D. Arunya. "Bimanual tele rehabilitation robot." In Engineering Research Unit Symposium 2023. Engineering Research Unit, 2023. http://dx.doi.org/10.31705/eru.2023.14.

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Post-stroke patients lose their interlimb coordination and ability to do bimanual activities. This is common for arms, and usually, patients get one arm paretic. This is a heavy burden since everyday activities need both hands to do. For recovery, they need intensive bimanual therapy. The robotic approach is more effective than traditional rehabilitation for this kind of therapy. A bimanual master-slave robotic system can be used to do simultaneous exercises for patients’ both hands. Our focus is to implement the two most basic and critical movements into this robot. One is Flexion and Extensi

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Elsharafi, Mahmoud, Ali Elmozughi, Kelton Vidal, et al. "Energy Recovery Unit Using Phase Change Materials." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23020.

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Abstract Energy recovery can benefit from phase change materials. A phase change material is a substance with a high heat of fusion, melting, and solidifying at a certain temperature, which is capable of storing and releasing large amounts of energy. The objective of this research is to enhance the efficiency of a system by performing experiments with corrugated plates within the recovery unit and paraffin as the PCM (Phase Change Material). This research focuses on understanding Thermal Energy Storage (TES) at melting temperature for heating. This research used corrugated plates as an advance

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Rapports d'organisations sur le sujet "Underwater Research and Recovery Unit"

O'Connell, Kelly, David Burdick, Melissa Vaccarino, Colin Lock, Greg Zimmerman, and Yakuta Bhagat. Coral species inventory at War in the Pacific National Historical Park: Final report. National Park Service, 2024. http://dx.doi.org/10.36967/2302040.

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The War in the Pacific National Historical Park (WAPA), a protected area managed by the National Park Service (NPS), was established "to commemorate the bravery and sacrifice of those participating in the campaigns of the Pacific Theater of World War II and to conserve and interpret outstanding natural, scenic, and historic values on the island of Guam." Coral reef systems present in the park represent a vital element of Guam?s cultural, traditional, and economical heritage, and as such, are precious and in need of conservation. To facilitate the management of these resources, NPS determined t

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Schuurman, Gregor, Christopher Hoving, Anna Hess, et al. Blue snowflakes in a warming world: Karner blue butterfly climate change vulnerability synthesis and best practices for adaptation. National Park Service, 2023. http://dx.doi.org/10.36967/2301333.

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This report?developed at the request of the United States Fish and Wildlife Service-led Karner Blue Butterfly Recovery Team by Recovery Team members and partners?provides a Karner blue butterfly climate change vulnerability synthesis, explores a range of potential responses, and presents best practices for climate change-informed conservation of the species. The three decades since the Karner blue butterfly?s (Lycaeides [Plebejus] melissa samuelis Nabokov) listing as federally endangered in the United States have seen a diverse and dedicated research and management community coalesce around th

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Seimanond, Kitipat, Parawinee Tangnanthanakan, Waramporn Pejpichestakul, and Bongkoch Yimyam. An Investigation and Development on Retrofit of Crude Preheat Train under Different Kinds of Crude Oils. Chulalongkorn University, 2014. https://doi.org/10.58837/chula.res.2014.79.

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Crude distillation unit (CDU) is the major energy consuming unit in refineries. Because of the high energy consumption of crude furnace in crude preheat train, heat integration by retrofitting heat exchanger network (HEN) is represented in this research by using a retrofit potential program and stage-model mathematical programming. A retrofit potential program from Kosol (2012) based on pinch technology was used to identify the optimum heat recovery approach temperature (HRAT). A stage model from Yee and Grossman (1990), is a mathematical programming using General Algebraic Modeling System (GA

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Herbert, Sian. Approaches to Stabilisation. Institute of Development Studies, 2022. http://dx.doi.org/10.19088/k4d.2022.068.

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This rapid literature review explores how approaches to stabilisation have varied by the donor, local context, and over time. While this paper was framed around a research question on the “Area Based Stabilisation” (ABS) approach, this term is barely used in the literature. Therefore, it is not possible to define an ABS approach or compare it to other approaches. However, there is considerable literature on approaches to stabilisation more generally, with some comparative analysis of approaches by donors and how these are evolving according to the context and some illustrative lessons from the

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Strengthening recovery actions for Southern Resident killer whales. Raincoast Conservation Foundation, 2025. https://doi.org/10.70766/32.7300.

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An ad hoc science panel was convened in Vancouver, Canada from March 4-6, 2025, to address the conservation and recovery of the endangered Southern Resident killer whale (SRKW) population – which, as of the July 2024 census, numbered only 73 individuals. The panel assembled 31 international experts from universities, government agencies, and NGOs across Canada, the United States, and the European Union to assess the efficacy and limitations of existing threat-reduction strategies, and propose new or revised measures. Their expertise covered a range of disciplines, including killer whale biolog

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