Relevant bibliographies by topics / Lead vessels

Contents

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

Academic literature on the topic 'Lead vessels'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Lead vessels"

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Guan, Gong Shun, Bao Jun Pang, and Yue Ha. "Investigation into Damage of Aluminum Gas-Filled Pressure Vessels under Hypervelocity Impact." Key Engineering Materials 348-349 (September 2007): 785–88. http://dx.doi.org/10.4028/www.scientific.net/kem.348-349.785.

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Impacts of meteoroids and space debris on pressure vessels can have detrimental consequences for any mission. Depending on the parameters of the impacting particle and the characteristic of the vessel, the damages can range from relatively uncritical craters in the vessel’s surface to the catastrophic bursting of vessels, which besides the loss of vessel may result in severe secondary damages to surrounding components. In order to investigate failure mechanisms of thin-walled aluminum pressure vessels under hypervelocity impact of space debris, a non-powder two-stage light gas gun was used to
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Telitchev, Igor Ye. "Analysis of Burst Conditions of Shielded Pressure Vessels Subjected to Space Debris Impact." Journal of Pressure Vessel Technology 127, no. 2 (2005): 179–83. http://dx.doi.org/10.1115/1.1903005.

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The present paper summarizes the results obtained from impacts on shielded pressure vessels and analyzes the conditions under which bursting of a shielded pressure vessels occur that are damaged by space debris. The semianalytical model was generated to describe the processes occurring upon impact of a hypervelocity projectile into a shielded vessel. A model capable to describe the failure mechanisms of damaged vessels is suggested. Nonlinear fracture mechanics techniques were used to analyze and predict whether a vessel perforation will lead to mere leakage of gas, or whether unstable crack p
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Colling, Alina, Robert Hekkenberg, and Edwin Van Hassel. "A Viability Study of Waterborne Platooning on the Lower Rhine." European Journal of Transport and Infrastructure Research 21, no. 2 (2021): 71–94. http://dx.doi.org/10.18757/ejtir.2021.21.2.5469.

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To achieve a modal shift towards waterborne transport and to deal with the shortage of crewmembers, a platooning concept called the “Vessel Train” is explored for the inland navigation sector. A Vessel Train consists of a lead and various follower vessels. The lead vessel is fully manned and takes over the navigational and situational awareness responsibilities for the follower vessels. This leading action benefits the followers through increasing the vessels’ productivity and enabling crew cost savings. This article investigates the viability of the concept for the lower Rhine region, by pres
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Kim, Su-Hyung, Chun-Ki Lee, and Yang-Bum Chae. "Prediction of Maneuverability in Shallow Water of Fishing Trawler by Using Empirical Formula." Journal of Marine Science and Engineering 9, no. 12 (2021): 1392. http://dx.doi.org/10.3390/jmse9121392.

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The length between perpendiculars (LBP) of most fishing vessels is less than 100 m. Thus, they are not subject to the International Maritime Organization (IMO) maneuverability standards, affecting research on maneuverability. However, upon referencing the statistics of marine accidents related to vessel maneuvering, the number of marine accidents caused by fishing vessels is 3 to 5 times higher than that of merchant ships. Therefore, systematic and consistent research on the maneuverability characteristics of fishing vessels is surely required. In particular, a fishing vessel frequently enters
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Jadhav, Toyaja Mohan, Ahmed Waheed Kashif, and Sushil Garud. "Five too many! A Case of Incidentally Detected Five Vessel Umbilical Cord Associated with Placental Chorangiosis." Annals of Pathology and Laboratory Medicine 9, no. 10 (2022): C62–66. http://dx.doi.org/10.21276/apalm.3204.

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Supernumery vessels are defined as presence of four or more vessels present within the umbilical cord. This condition may often accompany a poor pregnancy outcome and presence of congenital anomalies. They may be present in healthy fetuses. Chorangiosis is an adaptive response to in-utero hypoxia and its presence signifies better pregnancy outcomes. Abnormalities that lead to multiple cord vessels are rare with the majority of reported cases highlighting four vessels due to a persistent right umbilical vein. Here, we report a case of a 5-vessel umbilical cord associated with chorangiosis of pl
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Faishal, M., R. O. S. Gurning, A. Santoso, and D. H. Waskito. "Leveraging Bayesian Network to Improve the Marine Insurance’s Condition Survey Form for Passenger Vessel." IOP Conference Series: Earth and Environmental Science 1423, no. 1 (2024): 012043. https://doi.org/10.1088/1755-1315/1423/1/012043.

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Abstract To prevent the losses caused by accidents in passenger vessel, marine insurance is becoming one of the alternative solutions for the vessel’s owner to retain their financial capability. One of the most essential phases in marine insurance is survey inspection, which utilises survey condition forms as guidance. However, the current form is not designed explicitly for particular vessel types, leading to inaccurate insurance assessment. The primary objective of this study is to identify and develop an adaptive and comprehensive condition survey form for passenger vessels in Indonesia by
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Turkmen, Hafiza Irem, Mine Elif Karsligil, and Ismail Kocak. "Visible Vessels of Vocal Folds: Can they have a Diagnostic Role?" Current Medical Imaging Formerly Current Medical Imaging Reviews 15, no. 8 (2019): 785–95. http://dx.doi.org/10.2174/1573405614666180604083854.

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Background: Challenges in visual identification of laryngeal disorders lead researchers to investigate new opportunities to help clinical examination. This paper presents an efficient and simple method which extracts and assesses blood vessels on vocal fold tissue in order to serve medical diagnosis. Methods: The proposed vessel segmentation approach has been designed in order to overcome difficulties raised by design specifications of videolaryngostroboscopy and anatomic structure of vocal fold vasculature. The limited number of medical studies on vocal fold vasculature point out that the dir
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Troch, Chris, Luther Terblanche, and Marius Rossouw. "MOORED SHIP MOTION FORECAST TOOL FOR THE PORT OF NGQURA." Coastal Engineering Proceedings, no. 37 (September 1, 2023): 67. http://dx.doi.org/10.9753/icce.v37.structures.67.

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Significant future growth is planned for the Port of Ngqura, but the Port does, however, suffer problems with moored container vessels. Under certain environmental conditions, these moored vessels experienced large motions, which lead to reduced operability or downtime and sometimes mooring line failures. One of the main contributing factors to the mooring problems is infra-gravity or long-waves (i.e. wave periods between approximately 25 s and 300 s), which induce basin and moored vessel resonance. A long-wave forecast system has been developed to assist the Port. Although this forecast syste
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Norton, Dan R., and Danielle M. Renoud. "MANAGEMENT OF DERELICT VESSELS THAT THREATEN OUR WATERS: A PRIMER ON DERELICT VESSEL REMOVAL WITH SUCCESS STORIES." International Oil Spill Conference Proceedings 2008, no. 1 (2008): 1081–85. http://dx.doi.org/10.7901/2169-3358-2008-1-1081.

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ABSTRACT Derelict vessels pose significant hazards to the communities in which they reside due to the cornucopia of oils and hazardous materials they contain including fuel oils, lubricating oils, lead-based paints, acid batteries, asbestos, and refrigerants like ammonia and Freon. Additional threats include attractions for children and vagrants, navigational hazards, and potential locations for illegally dumped oil or hazardous materials. The removal of derelict vessels is a complex undertaking due to restrictive legal authorities, ownership questions, high costs, and limited funding streams.
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Lubart, Alisa, Amit Benbenishty, Hagai Har-Gil, et al. "Single Cortical Microinfarcts Lead to Widespread Microglia/Macrophage Migration Along the White Matter." Cerebral Cortex 31, no. 1 (2020): 248–66. http://dx.doi.org/10.1093/cercor/bhaa223.

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Abstract Loss of cognitive function with aging is a complex and poorly understood process. Recently, clinical research has linked the occurrence of cortical microinfarcts to cognitive decline. Cortical microinfarcts form following the occlusion of penetrating vessels and are considered to be restricted to the proximity of the occluded vessel. Whether and how such local events propagate and affect remote brain regions remain unknown. To this end, we combined histological analysis and longitudinal diffusion tensor imaging (DTI), following the targeted-photothrombotic occlusion of single cortical
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Dissertations / Theses on the topic "Lead vessels"

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Bagshaw, Nick. "A study of leak rates through narrow cracks." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366150.

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Milososka, Katarina, and Louise Nylander. "Value Stream Mapping of GKN Aerospace Applied Composites production of pressure vessels and radomes." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-119939.

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Examensarbete är utfört på GKN Aerospace Applied Composites (ACAB) där produktionsflödet för fyra produkter har kartlagts. Idag upplever företaget svårigheter med att hålla leveranstiden för dessa produkter, dessutom upplevs verkstäderna som ostrukturerade. GKN Aerospace Applied Composites tillverkar idag flertalet produkter i komposit till både den civila och militära marknaden. För detta examensarbete har flödet av tre stycken radomer och en storlek av tryckkärl kartlagts. Tryckkärl är en produkt som tillverkas i större volymer och har ett flödesorganiserat produktionsupplägg. Radomerna är k
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Takahashi, Sayaka. "Relationship between vessel formation and leaf phenology in temperate broad-leaved trees." Kyoto University, 2015. http://hdl.handle.net/2433/199351.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第19027号<br>農博第2105号<br>新制||農||1030(附属図書館)<br>学位論文||H27||N4909(農学部図書室)<br>31978<br>京都大学大学院農学研究科森林科学専攻<br>(主査)教授 大澤 晃, 教授 髙部 圭司, 教授 北島 薫<br>学位規則第4条第1項該当
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Buongiorno, Jacopo 1971. "Conceptual design of a lead-bismuth cooled fast reactor with in-vessel direct-contact steam generation." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/32205.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 2001.<br>Includes bibliographical references (p. 357-366).<br>The feasibility of a lead-bismuth (Pb-Bi) cooled fast reactor that eliminates the need for steam generators and coolant pumps was explored. The working steam is generated by direct contact vaporization of water and liquid metal in the chimney above the core and then is sent to the turbine. The presence of a lighter fluid in the chimney drives the natural circulation of the Pb- Bi within the reactor pool. Three key technical issues were addressed: 1)
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Bondok, Ali. "Misfire of spark ignited lean mixture of propane-air in a constant volume vessel." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6580.

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Misfire occurs when operating an internal combustion engine with air fuel ratio near the lean limit. To extend the misfire limit, the combustion chamber is redesigned to promote turbulence and swirl. An experimental study has been conducted in a constant volume vessel to investigate the effects of the swirling flow, the spark location, the spark energy, the spark gap and the equivalence ratio on misfire. The relationship between spark location and misfire is investigated for the three following ignition locations: quarter radius from the wall, half radius from the wall and three quarter radius
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Tulyananda, Tatpong. "Vegetative Anatomy of Rhododendron with a Focus on a Comparison between Temperate and Tropical Species." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/82508.

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Rhododendron is a monophyletic group that inhabits many different climates. One clearly defined diversification was from temperate ancestors into tropical habitats. The focus of this work was to explore leaf and stem anatomical traits in relation to habitat (temperate and tropical) and elevation of the native range. A closely-related group of Rhododendron was selected to reduce variation in genetic history and reveal environment–associated adaptive traits. Vessel anatomical traits of Rhododendron accessions were assayed for the trade of between safety (protection against catastrophic fail
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Lechthaler, Silvia. "The hydraulic architecture of the plants: study of the allometric relations in stem and leaves." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3426838.

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The xylem in plants is formed by interconnected dead cells that allow the flow of water from the roots to the leaves. The ascent of sap is mainly passive and it is driven by water evaporation from the mesophyll cell walls in the leaf. The water evaporation generates capillary suction on the menisci at the micro-porous of cell walls, causing negative hydrostatic pressure that propagates down the water column in the xylem. Due to plants grow in height the length of the hydraulic path increases progressively posing the question whether the hydraulic resistance increases accordingly. There is evid
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Pavan, Andre Mauricio. "Detecção on-line de vazamentos em vasos de pressão utilizando sistemas sonicos." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/267531.

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Orientadores: Sandra Lucia Cruz, João Alexandre Ferreira da Rocha Pereira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica<br>Made available in DSpace on 2018-08-07T19:03:10Z (GMT). No. of bitstreams: 1 Pavan_AndreMauricio_M.pdf: 4399374 bytes, checksum: d76e0e55472d41a43569b1e700a1a749 (MD5) Previous issue date: 2005<br>Resumo: Vasos de pressão são equipamentos muito importantes numa indústria, sendo responsáveis por armazenar gases, líquidos e outros fluidos a altas pressões. Um pequeno vazamento nesses vasos pode ser muito perigoso, gerando po
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Bourga, Renaud. "The mechanism of leak-before-break fracture and its application in engineering critical assessment." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/15289.

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This thesis investigated the different aspects and mechanisms of leak-before-break (LBB) assessment. The main objective was to improve the understanding of the transition between surface and through wall defects. While existing procedures generally idealise the through-wall crack into a rectangular shape, in reality a crack propagates with a shape depending on the loading. Comparison between the related solutions from established procedures have been undertaken. The apparent variation depending on the solutions used in the assessment has been highlighted. Two different methodologies have been
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Karlsson, Sundqvist Therese, and Karin Källmar. "Integration of Environmental Aspects in Product Development Process and Ship Design : a LEAP towards environmental awareness at Kockums AB." Thesis, Linköpings universitet, Industriell Produktion, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-80969.

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The Swedish company Kockums AB, at the forefront within maritime and naval technology, is in need of a tool, document, and/or method to include environmental aspects in their product development process. This is mainly because of additional requirements put on Kockums AB from their main customer. Ship recycling is the major issue that has to be addressed and included in Kockums AB’sworking procedures. Moreover, ship recycling is a pressing issue to handle due to horrible conditions in South Asian countries, where most ship dismantling is taking place. For these reasons, the objective of this M
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Books on the topic "Lead vessels"

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Drobot, I͡U B. Akusticheskoe kontaktnoe techeiskanie. "Mashinostroenie", 1989.

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Filho, João da Payão. Fundamentos de ensaio de vazamento e estanqueidade. Forschungszentrum Jülich, 2000.

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K, Kasza, Franklin J, Argonne National Laboratory, and U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering Technology., eds. Pressure and leak-rate tests and models for predicting failure of flawed steam generator tubes. U.S. Nuclear Regulatory Commission, 2000.

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K, Kasza, Franklin J, Argonne National Laboratory, and U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering Technology., eds. Pressure and leak-rate tests and models for predicting failure of flawed steam generator tubes. U.S. Nuclear Regulatory Commission, 2000.

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K, Kasza, Franklin J, Argonne National Laboratory, and U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering Technology., eds. Pressure and leak-rate tests and models for predicting failure of flawed steam generator tubes. U.S. Nuclear Regulatory Commission, 2000.

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M, Wilkowski G., Aggarwal M. L, Bhandari S. K, Yagawa G. 1942-, American Society of Mechanical Engineers. Pressure Vessels and Piping Division., and Pressure Vessels and Piping Conference (1994 : Minneapolis, Minn.), eds. Fatigue, flaw evaluation, and leak-before-break assessments, 1994: Presented at the 1994 Pressure Vessels and Piping Conference, Minneapolis, Minnesota, June 19-23, 1994. American Society of Mechanical Engineers, 1994.

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S, Garud Y., American Society of Mechanical Engineers. Pressure Vessels and Piping Division., and Pressure Vessels and Piping Conference (1993 : Denver, Colo.), eds. Creep, fatigue, flaw evaluation, and leak-before-break assessment: Presented at the 1993 Pressure Vessels and Piping Conference, Denver, Colorado, July 25-29, 1993. American Society of Mechanical Engineers, 1993.

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Berezhnoĭ, S. S. Flot SSSR: Korabli i suda lendliza. Velenʹ, 1994.

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T, Fitzgerald John. Cracks in an earthen vessel: An examination of the catalogues of hardships in the Corinthian correspondence. Scholars Press, 1986.

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Döscher, Jürgen. Abgaben amerikanischer Kriegsschiffe an andere Länder in der Zeit von 1900 bis 2004. J. Döscher, 2006.

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Book chapters on the topic "Lead vessels"

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Kandemir, Emre. "Sexual Dysfunction on Diabetes Mellitus." In Current Perspective on Diabetes Mellitus in Clinical Sciences. Nobel Tip Kitabevleri, 2023. http://dx.doi.org/10.69860/nobel.9786053359111.6.

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Sexual dysfunction is a prevalent complication among individuals with diabetes mellitus, affecting both men and women. In men, diabetes can lead to erectile dysfunction due to damage to blood vessels and nerves that regulate blood flow to the penis. Additionally, decreased testosterone levels and psychological factors like stress or depression contribute to this issue. Women with diabetes often experience reduced sexual desire, decreased vaginal lubrication, and difficulty achieving orgasm. Similar to men, nerve damage, hormonal imbalances, and psychological factors play significant roles in s
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García, Rodrigo, Angel Pulido, Isabel Navarro, Xavier Pascual, Cas Willems, and Alicia Yanes. "AIRIS-PS Project in the Port of Seville and in the Guadalquivir Waterway. Results of the Project Completed." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6138-0_69.

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AbstractThe AIRIS-PS project has been a project financed by the European Commission within the funding instrument of the Connecting Europe Facility (CEF) for Transport under the priority of River Information Services. The objective of the priority has been to implement the River Information Services in the Port of Seville and in the Guadalquivir harmonized with the practices applied In the European Inland Waterway Network. River Information Services and Systems have been designed to provide support to improve traffic and transport management and enhance operational procedures. RIS contribute i
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Sullivan, Brendan P., Monica Rossi, and Sergio Terzi. "LINCOLN—Lean Innovative Connected Vessels." In A Holistic Approach to Ship Design. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71091-0_14.

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Pauwelyn, Ann-Sofie, and Sim Turf. "Smart Shipping on Inland Waterways." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6138-0_84.

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AbstractInland shipping has been struggling with a shortage of skippers for several years. This means, among other things, that smaller vessels disappear and the smaller waterways are no longer used. In addition, it is also difficult for inland shipping to compete with road transport. In time, this will cause a reverse modal shift: cargo will be brought back from the waterway to the road. However, the road is already dealing with a lot of congestion while the potential of the waterway is being used less and less. This will lead to major mobility problems.Over the years, an international consen
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Pati, Santwana, Akshay Deshmane, Maximillian Korff, and Tobias Dickhut. "Overview of the Challenges in High-Pressure Type V Hydrogen Tanks for Automotive Applications." In ARENA2036. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-88831-1_31.

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Abstract Hydrogen emerges as a pivotal element in achieving fossil-free transportation, offering a sustainable alternative to conventional fossil fuels and significantly reducing environmental impacts. This report outlines the development of a cutting-edge Type V high-pressure vessel employing carbon fiber composite material, aimed at tackling the challenges associated with liner less hydrogen pressure vessel. Current research focuses on addressing two major challenges, namely manufacturing complexity and leak tightness of the tank. Manufacturing complexity of the tank is thoroughly addressed,
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Hai, Pham Minh, and Le Quan Anh Tuan. "Laparoscopic Left Liver Resection." In Mastering Endo-Laparoscopic and Thoracoscopic Surgery. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3755-2_48.

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AbstractLiver resection is basically parenchymal transection and vessels, bile ducts control which is related to risk of major bleeding, bile leak, and unwanted injury of hepatic remnant. Distribution of vessels and bile ducts consists of two parts. One is hepatic veins. The other is hepatic pedicles which are covered by Glisson’s capsule and located deeply in the hepatic parenchyma. This leads to technical difficulties as controlling inflow and outflow. This is explanation for limitation of applying laparoscopic surgery in major anatomical hepatectomy such as right hepatectomy and left hepate
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Sebök, Martina, Jean-Philippe Dufour, Marco Cenzato, et al. "When Is Diagnostic Subtraction Angiography Indicated Before Clipping of Unruptured and Ruptured Intracranial Aneurysms? An International Survey of Current Practice." In Acta Neurochirurgica Supplement. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63453-7_2.

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AbstractIntroduction: The goal of this survey is to investigate the indications for preoperative digital subtraction angiography (DSA) before clipping of ruptured and unruptured intracranial aneurysms in an international panel of neurovascular specialists.Methods: An anonymous survey of 23 multiple-choice questions relating to indications for DSA before clipping of an intracranial aneurysm was distributed to the international panel of attendees of the European-Japanese Cerebrovascular Congress (EJCVC), which took place in Milan, Italy on 7–9 June 2018. The survey was collected during the same
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Layton, Peter. "Evolution Not Revolution: Defence AI in Australia." In Contributions to Security and Defence Studies. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-58649-1_26.

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AbstractMiddle power Australia has an active defence Artificial Intelligence (AI) program underway with a well-defined innovation pathway and numerous experimentation projects. The Australian Defence Force sees AI mainly being used in human–machine teams to improve efficiency, increase combat power, achieve decision superiority, and lower risks to combat personnel. The major equipment acquisition plan for the next two decades sets out six AI-relevant projects: one navy, one army, three air force and one in the information and cyber domain. Associated with this investment is a high expectation
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Lutz, Alexander, and Axel Lachmeyer. "SciPPPer: Automatic Lock-Passage for Inland Vessels – Practical Results Focusing on Control Performance." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6138-0_85.

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AbstractNavigating through locks is one of the most challenging tasks that skippers have to perform in inland navigation. Typical dimensions of a ship (width = 11.45 m) and a lock (width = 12 m) result in an error margin of less than 30 cm to the left and to the right of the ship when navigating within a lock chamber. Typical inland vessels on European waters have a length of 82 to 186 m. The wheel house on cargo vessels is located close to the stern of the vessel. This leads to low visibility of the bow in the lock chamber. In order to cope with this issue, a deck hand monitors the bow and an
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Acejo, Iris. "The Experience of Being a Filipino Seafarer on a Multinationally Crewed Ship." In The World of the Seafarer. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49825-2_9.

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AbstractThe globalised labour market for seafarers has led to multinationally crewed vessels. According to a study conducted by Seafarers International Research Centre in 2003, about 60% of ships have multinational crews (Ellis and Sampson 2003). A more recent study showed that 85% of vessels that call in ports in Finland have multinational crew mix and that two and three nationalities are the most prevalent crewing pattern (Storgård et al. 2013). The Philippines, is one of the world’s biggest source of seafarers, as such it is worth considering the lived experiences of Filipino seafarers on m
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Conference papers on the topic "Lead vessels"

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Suffield, Sarah R., Ben J. Jensen, and Nicholas A. Klymyshyn. "Thermal Modeling of Hanford Lead Canister’s Heater Bench Tests." In ASME 2023 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/pvp2023-104562.

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Abstract A computational fluid dynamics (CFD) model was built to simulate the Hanford Lead Canister (HLC). The HLC is intended to act as a leading indicator of canister degradation as part of the Hanford site’s aging management plan for long term storage of encapsulated cesium and strontium material. It will be deployed with heaters inside to accurately simulate the environmental conditions experienced by units containing radioactive material. The HLC will be placed on a dry storage pad near dry storage systems with encapsulated radioactive material. A thermal CFD model was developed to verify
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Suffield, Sarah R., Christopher L. Grant, and Nicholas A. Klymyshyn. "Thermal Modeling of Hanford Lead Canister’s Heater Bench Tests." In ASME 2022 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/pvp2022-83737.

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Abstract A computational fluid dynamics (CFD) model was built to simulate planned testing of heater assemblies for the Hanford Lead Canister (HLC) project. The HLC is a canister storage system that will contain heaters to simulate the decay heat of nuclear material and provide the canister storage system with environmental conditions equivalent to the operating conditions on a dry storage pad. The HLC will be equipped with long-term data collection and monitoring systems to provide an early warning of corrosion, pitting, cracking, or other signs of canister degradation that might threaten the
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Tsai, C. S., W. S. Lai, C. W. Chang, and M. C. Li. "Testing and Analysis of a New Lead-Extrusion Damper." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1419.

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The purpose of this study is to test and explore the characteristics of the new lead-extrusion damper (LED), which is manufactured in the department of Civil Engineering of Feng-Chia University. The Stroke of the tested damper is ±10 mm and the maximum movement of the laboratory test is ±5mm, which is provided by the MTS (machine with a maximum capacity of 25tons). The test results have proved that the new LED possesses excellent capability for energy absorption. The hysteresis loop behaves like “plastic solids” or “coulomb dampers”. The internal force and the speed of the movement are correla
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Migliore, R. J., J. G. Field, D. S. Hillstrom, and R. A. Johnson. "Gamma Scan Confirmation of Lead Pour in a Type B Cask." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1626.

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Packaging Technology, Inc., a subsidiary of the French nuclear consortium Areva, has been tasked with manufacturing six RH-72B (72B) casks for the Department of Energy’s Carlsbad Operations Office. The 72B transportation cask will be used to transport remote-handled (RH) transuranic wastes to the Waste Isolation Pilot Plant (WIPP) located in New Mexico. Certification of each 72B cask includes a gamma scan of the cask lead shielded wall to verify that no significant voids form within the lead subsequent to the lead pour. Voids in the lead would be revealed as spikes in the gamma scan measuremen
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Chen, Tao, Xuedong Chen, Yunrong Lu, Juan Ye, and Xiaoming Lian. "Creep and Fracture Behavior of Centrifugal Cast HP40Nb Alloy Containing Lead." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78312.

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Centrifugal cast HP40Nb alloys are commonly used as ethylene pyrolysis and reformer furnace tube materials. The actual wall temperature can usually reach 1423 K. The technical specifications require that the rupture life shall be at least 120 h under test condition of 1373 K at 17 MPa. The effects of amounts of Lead on the creep and stress rupture performance of the centrifugal cast HP40Nb alloy have been investigated at the temperature of 1373 K and the constant stress of 17 MPa. In this paper, HP40Nb alloy tubes with different contents of Lead element by centrifugal casting were selected, by
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Telitchev, Igor Ye. "Study of Burst Conditions of Thin-Walled Pressure Vessels Subjected to Hypervelocity Impact." In ASME 2003 Pressure Vessels and Piping Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/pvp2003-2066.

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The present paper is devoted to analysis of burst conditions of thin-walled cylindrical pressure vessels subjected to hypervelocity impact of space debris particles. Two types of gas-filled pressure vessels onboard the International Space Station were considered: inhabited or laboratory pressurized modules and onboard system vessels with a gas under high pressure. The central concern of this study is to determine the border between simple perforation and catastrophic fracture of gas-filled pressure vessels of both types under hypervelocity impact. Non-linear fracture mechanics techniques were
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Kim, Jung Han, Min Kyu Kim, and In-Kil Choi. "Experimental Study on the Ultimate Limit State of a Lead-Rubber Bearing." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63774.

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Recently, a base isolation system used to be introduced for the seismic safety of nuclear power plants. The isolation system should keep its function over the design level earthquake with a high confidence like any other equipment in nuclear power plants. The seismic response of isolators by the extended design level earthquakes should be controlled not to exceed the ultimate limit state of it. In this study, lead-rubber bearings (LRBs) were tested. The small scale test specimen of a LRB had 550 mm diameter and the full scale was 1,500 mm diameter. The displacement controlled horizontal displa
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Park, Junhee, Young-Sun Choun, and Min Kyu Kim. "Evaluation of Long-Term Behavior by the Size of Lead Rubber Bearings." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63803.

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In the nuclear power plants (NPPs), the base isolators can be used to decrease the seismic force (acceleration, shear force, floor response spectra). During the lifetime of isolation systems, the mechanical properties of rubber bearings will be constantly changed by the vulcanization and degradation of the rubber due to environmental and chemical factors such as the thermal oxidation, ultraviolet irradiation, and ozone. Usually, thermal oxidation is the most significant degradation factors during the lifetime of natural rubber. Thermal oxidation hardens the rubber and results in a significant
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Hawkes, Brian D., and Kenneth R. Durstine. "Accidental Drop of a Carbon Steel/Lead Shipping Cask at Low Temperatures." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26371.

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A shielded cask is used to transport radioactive materials between facilities. The cask was fabricated with an outer and inner shell of hot rolled low carbon steel. Lead was poured in the annular space between the shells to provide radiation shielding. Carbon steel is known to be susceptible to low-temperature brittle fracture under impact loading. This paper will present the analysis results representing postulated transportation accidents during on-site transfers of the cask. The accident scenarios were based on a series of cask drops onto a rigid surface from a height of 6 ft assuming britt
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de la Roca, Leonardo, Igor Meira, Carlos D. Girão, and José Carlos Veiga. "Numerical Approaches for Bolt Interactions in Flange Gasket Assemblies." In ASME 2022 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/pvp2022-84816.

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Abstract In most industrial plants, the maintenance of the piping system is a crucial part of the site’s health and integrity, as leakage can often lead to costly losses and even disastrous accidents with the loss of life. An incorrect assembly of a bolted flange joint will most likely form a leak path in the sealing surface and lead to joint failure. Standards such as the ASME PCC-1 Guidelines for Pressure Boundary Bolted Flange Joint Assembly, have the purpose of guiding towards safer procedures of gasket installation in bolted flange connections, where specific gasket assembly methods regar
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Reports on the topic "Lead vessels"

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Threadgill, P. L., and M. J. Cola. L51601 Review of Procedures for Welding Onto Pressurized Pipelines. Pipeline Research Council International, Inc. (PRCI), 1989. http://dx.doi.org/10.55274/r0010279.

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The welding of attachments onto pressurized pipelines and storage vessels (referred to as hot tapping) is a necessary and common operation in the transmission industry. Care must be exercised to choose a welding procedure that can reduce the risk of burn through and the formation of very high hardness levels in the heat-affected zone (HAZ) that can lead to a higher than normal risk of cracking. This report summarizes a state-of-the-art review of current procedures for hot tap welding on pressurized pipelines. All open literature related to hot tap welding were examined and catalogued, and area
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Peña-Torres, Julio, Kailin Kroetz, James N. Sanchirico, and David Corderi. Evaluation of the Chilean Jack Mackerel ITQ System. Inter-American Development Bank, 2016. http://dx.doi.org/10.18235/0011723.

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The debate in commercial fishery management has evolved from whether well-defined rights are necessary for sustainability to measuring the impacts of different rights-based system designs. Most assessments are on developed world fisheries. Using a unique collection of datasets, we develop counterfactuals to evaluate the impacts of the Chilean Jack Mackerelcatch share program. We investigate vessel and trip characteristics, as well as trip costs and revenues, before and after the implementation of the program. We find an increase in higher value products and associated revenue, as well as conso
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Cohen, Shabtai, Melvin Tyree, Amos Naor, Alan N. Lakso, Terence L. Robinson, and Yehezkiel Cohen. Influence of hydraulic properties of rootstocks and the rootstock-scion graft on water use and productivity of apple trees. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7587219.bard.

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This one year exploratory project investigated hydraulic architecture of apple dwarfing rootstocks. The hypothesis was that hydraulic conductance is correlated with rootstock vigor. A previous study of trees on three rootstocks in Israel showed that dwarfed trees used less water than un-dwarfed trees. Analysis showed that if the tree maintains leaf water potentials above minimum values, then this implies that the dwarfed trees have lower leaf conductance, which may also be the cause of dwarfing. The current project studied small 2-year old unworked rootstock trees, and full sized trees bearing
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Lujan, Therese, and Mike Steinzig. Sealed Vessel Leak Test [Slides]. Office of Scientific and Technical Information (OSTI), 2021. http://dx.doi.org/10.2172/1811847.

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Clinton, J. H. LEAK: A source term generator for evaluating release rates from leaking vessels. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10188229.

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Gupta, Shikhar, Mehtab Ahmed, Sayema ., Azam Haseen, and Saif Quaiser. Relevance of Preoperative Vessel Mapping and Early Postoperative Ultrasonography in Predicting AV Fistula Failure in Chronic Kidney Disease Patients. Science Repository, 2024. http://dx.doi.org/10.31487/j.rdi.2023.02.02.

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Introduction: The increasing prevalence of chronic kidney disease (CKD), coupled with advancements in the diagnosis and treatment of renal diseases and improvements in life expectancy, has led to a greater number of patients requiring hemodialysis. The preferred method of vascular access for hemodialysis is AV fistula formation; however, it is associated with a high rate of failure. In our prospective study, we focused on 40 CKD patients planned for initiation of maintenance hemodialysis. Methods: We employed preoperative ultrasound mapping to assess cephalic vein diameter, compressibility, an
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Rumbaut Gil, Ana Laura. A Systemic Analysis of Vascular Dysfunction in Parkinson’s Disease: Reviewing the Roles of Astrocytes and COX-2. Florida International University, 2025. https://doi.org/10.25148/fiuurj.3.1.6.

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Although Parkinson’s Disease (PD) is the second most prevalent neurodegenerative disease in the U.S., the pathology remains an enigma. Many neuroinflammation hypotheses have been studied to explain its development. It’s shown that inflammatory markers such as COX-2 activity, which synthesizes the potent vasodilator PGE2, are overexpressed in PD. Additionally, astrocytes, regulators of inflammation in the brain and BBB, undergo important changes during PD. However, the vascular consequences that all this has for PD-led neurodegeneration are relatively unexplored. We conducted a systemic review
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Chauhan, Vinod. L52307 Remaining Strength of Corroded Pipe Under Secondary Biaxial Loading. Pipeline Research Council International, Inc. (PRCI), 2009. http://dx.doi.org/10.55274/r0010175.

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Corrosion metal-loss is one of the major damage mechanisms to transmission pipelines worldwide. Several methods have been developed for assessment of corrosion defects, such as ASME B31G, RSTRENG and LPC. These methods were derived based on experimental tests and theoretical/numerical studies of the failure behavior of corroded pipelines subjected only to internal pressure loading. In the vast majority of cases, internal pressure loading will be the main loading mechanism on the pipeline. However, there may be instances when pipelines could also be subjected to significant loading from the env
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Hambrey, John, Paul Medley, Sue Evans, Crick Carlton, Carole Beaumont, and Tristan Southall. Evidence gathering in support of sustainable Scottish inshore fisheries: work package (6) final report: integrating stock management considerations with market opportunities in the Scottish inshore fisheries sector – a pilot study. Marine Alliance for Science and Technology for Scotland (MASTS), 2015. http://dx.doi.org/10.15664/10023.24677.

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In June 2014, Hambrey Consulting successfully responded to a call for tenders for research to undertake a pilot assessment of the potential economic and associated benefits of establishing minimum market landing size (MMLS) in excess of minimum legal landing size (MLS) for shellfish; and to evaluate if such an intervention could be undertaken at a regional level. The project was originally conceived as including 3 case studies, but the scope of the research led us to focus mainly on the trawl and creel fishery for Nephrops prosecuted by the fleet based in Skye and SW Ross. The basic framework
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Limoges, A., A. Normandeau, J. B R Eamer, et al. 2022William-Kennedy expedition: Nunatsiavut Coastal Interaction Project (NCIP). Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/332085.

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The accelerating Arctic cryosphere decline severely impacts the land on which northern communities live through the presence of coastal and marine geohazards and coastal erosion, which further places the cultural heritage of coastal archaeological sites at risks. Sea ice decline also compromises the formation of polynyas, with unknown consequences for the regional ecosystems. From the 10th to the 18th of July 2022, a scientific cruise onboard the research vessel William-Kennedy allowed the collection of a suite of samples and data from the marine coastal environment of Nain, Nunatsiavut. In to
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