Relevant bibliographies by topics / Direct current source

Contents

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

Academic literature on the topic 'Direct current source'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Direct current source"

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Zhu, W., N. Takano, K. H. Schoenbach, et al. "Direct current planar excimer source." Journal of Physics D: Applied Physics 40, no. 13 (2007): 3896–906. http://dx.doi.org/10.1088/0022-3727/40/13/s09.

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Dudek, D., N. Bibinov, J. Engemann, and P. Awakowicz. "Direct current plasma jet needle source." Journal of Physics D: Applied Physics 40, no. 23 (2007): 7367–71. http://dx.doi.org/10.1088/0022-3727/40/23/017.

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Smith, H. Vernon, Paul Allison, Carl Geisik, David R. Schmitt, J. David Schneider, and James E. Stelzer. "A direct‐current Penning surface‐plasma source." Review of Scientific Instruments 65, no. 4 (1994): 1176–78. http://dx.doi.org/10.1063/1.1145049.

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Dudnikov, V., C. W. Schmidt, R. Hren, and J. Wendt. "Direct current surface plasma source with high emission current density." Review of Scientific Instruments 73, no. 2 (2002): 989–91. http://dx.doi.org/10.1063/1.1431410.

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Vereshchago, E. N., and V. I. Kostyuchenko. "Instability of mode in circuit with capacity and electric arc supplied by direct current source." Paton Welding Journal 2014, no. 8 (2014): 42–46. http://dx.doi.org/10.15407/tpwj2014.08.07.

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Kusztrits, Isabella, Lynn Marquardt, Kenneth Hugdahl, and Marco Hirnstein. "Transcranial direct current stimulation (tDCS) enhances internal source monitoring abilities in healthy participants." PLOS ONE 16, no. 9 (2021): e0257010. http://dx.doi.org/10.1371/journal.pone.0257010.

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Source monitoring refers to the ability to identify the origin of a memory, for example, whether you remember saying something or thinking about it, and confusions of these sources have been associated with the experience of auditory verbal hallucinations (AVHs). Both AVHs and source confusions are reported to originate from dysfunctional brain activations in the prefrontal cortex (PFC) and the superior temporal gyrus (STG); specifically, it is assumed that a hypoactive PFC and a hyperactive STG gives rise to AVHs and source confusions. We set out to test this assumption by trying to mimic thi
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Shi, Xiaoqian, Meiqiang Zhu, Zhaokang Zhan, Kan Zang, Huajun Dong, and Fangzhun Guo. "Development of Helium Direct Current Discharge Ultraviolet Light Source." IOP Conference Series: Earth and Environmental Science 772, no. 1 (2021): 012035. http://dx.doi.org/10.1088/1755-1315/772/1/012035.

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Atta, A., A. M. Abdel Reheem, and H. El-Khabeary. "Design, characterization and applications of direct current plasma source." Emerging Materials Research 11, no. 2 (2022): 1–8. http://dx.doi.org/10.1680/jemmr.22.00008.

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In this paper, the construction, and operation of a locally design cold plasma reactor are described. The anode diameter effect is studied in three inner diameters 5 mm, 10 mm, and 15 mm. This effect on the discharge and plasma characteristics is studied using oxygen and argon gases. It was found that the optimum diameter is 10 mm. Moreover, the plasma density and temperature are investigated using a cylindrical Langmuir probe at the optimum diameter. It is found that the electron temperature reaches 1.6 eV and the electron density reaches 2.3x108 cm−3 in the case of oxygen gas. On the other h
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Tsukamoto, Osami, Yoshiaki Nagai, and Kazuhiro Imaie. "Direct Connected Multiple Current Source Converters for SMES system." IEEJ Transactions on Industry Applications 118, no. 9 (1998): 992–99. http://dx.doi.org/10.1541/ieejias.118.992.

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Belchenko, Yu, I. Gusev, A. Khilchenko, et al. "Advanced direct current negative-ion source for accelerator use." Review of Scientific Instruments 77, no. 3 (2006): 03A527. http://dx.doi.org/10.1063/1.2170032.

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Dissertations / Theses on the topic "Direct current source"

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Zhang, Yushu. "Multilevel voltage source converters in high voltage direct current transmission systems." Thesis, University of Strathclyde, 2012. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=25814.

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This research focuses on voltage source multilevel converters in high voltage direct current (HVDC) transmission systems. The first Voltage Source Converter based HVDC (VSC-HVDC) systems with series connected IGBTs in a two-level converter represented a solution to meet industrial and economical requirements but is associated with significant drawbacks such as high dv/dt and di/dt, high switching loss, and poor output voltage and current quality. To overcome these issues, the multilevel converter was proposed for HVDC application. The Modular Multilevel Converter (M2C) was the first multilevel
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Cwikowski, Oliver. "Synthetic testing of high voltage direct current circuit breakers." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/synthetic-testing-of-high-voltage-direct-current-circuit-breakers(2f15e62f-8b2c-4e29-884e-323b90af2d11).html.

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The UK is facing two major challenges in the development of its electricity network. First, two thirds of the existing power stations are expected to close by 2030. Second, is the requirement to reduce its CO2 emissions by 80% by 2050. Both of these challenges are significant in their own right. The fact that they are occurring at the same time, generates a significant amount of threats to the existing power system, but also provides many new opportunities. In order to meet both these challenges, significant amounts of offshore wind generation has been installed in the UK. For the wind generat
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Singh, Akanksha. "A boost current source inverter based generator-converter topology for direct drive wind turbines." Diss., Kansas State University, 2017. http://hdl.handle.net/2097/34676.

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Doctor of Philosophy<br>Department of Electrical and Computer Engineering<br>Behrooz Mirafzal<br>In this dissertation, a new topology for Direct-Drive Wind Turbines (DDWTs) with a new power electronics interface and a low-voltage generator design is presented. In the presented power electronics interface, the grid - side converter is replaced by a boost Current Source Inverter (CSI) which eliminates the required dc-bus capacitors resulting in an increase in the lifetime of DDWTs. The inherently required dc-link inductor for this topology is eliminated by utilizing the inductance of the Permane
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Ridenour, Daniel Keith. "Examination of Power Systems Solutions Considering High Voltage Direct Current Transmission." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/63927.

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Since the end of the Current Wars in the 19th Century, alternating current (AC) has dominated the production, transmission, and use of electrical energy. The chief reason for this dominance was (and continues to be) that AC offers a way minimize transmission losses yet transmit large power from generation to load. With the Digital Revolution and the entrance of most of the post-industrialized world into the Information Age, energy usage levels have increased due to the proliferation of electrical and electronic devices in nearly all sectors of life. A stable electrical grid has become synon
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Chen, Yijing. "Nonlinear Control and Stability Analysis of Multi-Terminal High Voltage Direct Current Networks." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112041/document.

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Cette thèse a été consacrée à l'étude des réseaux multi-terminaux haute tension à courant continu (MTDC). Les principales contributions étaient dans le domaine du contrôle automatique non linéaire, appliquées aux systèmes électriques, électronique de puissance et les sources d'énergie renouvelables. Le travail de recherche a été lancé avec l'intention de combler certaines lacunes entre la théorie et la pratique, en particulier: 1) d'enquêter sur diverses approches de contrôle pour le but d'améliorer la performance des systèmes MTDC; 2) d'établir des connexions entre la conception du contrôle e
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Giraneza, Martial. "High voltage direct current (HVDC) in applications for distributed independent power providers (IPP)." Thesis, Cape Peninsula University of Technology, 2013. http://hdl.handle.net/20.500.11838/1077.

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Thesis submitted in fulfillment of the requirements for the degree Master of Technology: Electrical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology 2013<br>The development of power electronics did remove most of technical limitations that high voltage direct current (HVDC) used to have. HVDC, now, is mostly used for the transmission of bulk power over long distances and for the interconnection of asynchronous grid. Along with the development of the HVDC, the growth of power demand also increased beyond the utilities capacities. Besides the on-going incr
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Krige, Ernst. "Harmonic interaction between weak AC systems and VSC-based HVDC schemes." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71704.

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Thesis (MScEng)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: The implementation of the Caprivi Link Interconnector (CLI) High Voltage Direct Current (HVDC) scheme in 2010 connecting the weak Namibian and Zambian Alternating Current (AC) transmission networks via overhead line is based on Voltage Source Converter (VSC) technology. This world-first combination of attributes presents a unique opportunity to study harmonic interaction between weak AC systems and VSC-based HVDC schemes. Relatively few publications exist that focus on AC and DC harmonic interaction and very few refer to VSC
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Čedo, Žlebič. "Uticaj jednosmerne struje na karakteristike podešljivih feritnih komponenti." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2019. https://www.cris.uns.ac.rs/record.jsf?recordId=110180&source=NDLTD&language=en.

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U okviru doktorske disertacije, realizovane su podešljive feritne komponente sa jezgrima koja su proizvedena od komercijalno dostupnih ESL 40011 feritnih traka čije se induktivnosti podešavaju primenom jednosmerne struje. Rad realizovanih podešljivih feritnih komponenti je verifikovan u kolu DC-DC konvertora podizača napona. U disertaciji je predložena merna metoda koja omogućava ispitivanje uticaja jednosmerne struje na karakteristike SMD induktora postavljenih u realnom okruženju. Metoda je verifikovana na komercijalno dostupnim SMD induktorima.<br>As part of this thesis variable ferite comp
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MOSCA, CARMELO. "Methodologies for Frequency Stability Assessment in Low Inertia Power Systems." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2895393.

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Hadjikypris, Melios. "Supervisory control scheme for FACTS and HVDC based damping of inter-area power oscillations in hybrid AC-DC power systems." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/supervisory-control-scheme-for-facts-and-hvdc-based-damping-of-interarea-power-oscillations-in-hybrid-acdc-power-systems(cc03b44a-97f9-44ec-839f-5dcbcf2801f1).html.

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Modern interconnected power systems are becoming highly complex and sophisticated, while increasing energy penetrations through congested inter-tie lines causing the operating point approaching stability margins. This as a result, exposes the overall system to potential low frequency power oscillation phenomena following disturbances. This in turn can lead to cascading events and blackouts. Recent approaches to counteract this phenomenon are based on utilization of wide area monitoring systems (WAMS) and power electronics based devices, such as flexible AC transmission systems (FACTS) and HVDC
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Books on the topic "Direct current source"

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S, Daniels Taumi, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Division., eds. A linearly controlled direct-current power source for high-current inductive loads in a magnetic suspension wind tunnel. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1990.

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NTT, Fashiritīzu Kabushiki Kaisha. Jiritsu, bunsangata enerugī shakai no jitsugen ni muketa chokuryū hōshiki ni yoru chiikikan sōgo enerugī yūzū shisutemu no kaihatsu seika hōkokusho. NTT Fashiritīzu, 2013.

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Kaisha, NTT Fashiritīzu Kabushiki. Jiritsu, bunsangata enerugī shakai no jitsugen ni muketa chokuryū hōshiki ni yoru chiikikan sōgo enerugī yūzū shisutemu no kaihatsu: Seika hōkokusho. NTT Fashiritīzu, 2014.

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Nash, Howard. Foreign direct investment in the United States: An annotated guide to current data sources. Vance Bibliographies, 1987.

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Nash, Howard. Foreign direct investment in the United States: An annotated guide to current data sources. Vance Bibliographies, 1987.

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Weerdt, Hilde, and Franz-Julius Morche, eds. Political Communication in Chinese and European History, 800-1600. Amsterdam University Press, 2021. http://dx.doi.org/10.5117/9789463720038.

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Based on a collaboration between historians of Chinese and European politics, Political Communication in Chinese and European History, 800-1600 offers a first comprehensive overview of current research on political communication in middle-period European and Chinese history. The chapters present new work on the sources and processes of political communication in European and Chinese history partly through juxtaposing and combining formerly separate historiographies and partly through direct comparison. Contrary to earlier comparative work on empires and state formation, which aimed to explain
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van Kooten, G. Cornelis, and Linda Voss, eds. International trade in forest products: lumber trade disputes, models and examples. CABI, 2021. http://dx.doi.org/10.1079/9781789248234.0000.

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Abstract Because of the long-standing Canada-United States lumber trade dispute and the current pressure on the world's forests as a renewable energy source, much attention has been directed toward the modelling of international trade in wood products. Two types of trade models are described in this book: one is rooted in economic theory and mathematical programming, and the other consists of two econometric/statistical models--a gravity model rooted in theory and an approach known as GVAR that relies on time series analyses. The purpose of the book is to provide the background theory behind m
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Maillot, Marc, ed. Dotawo: a Journal of Nubian Studies 3: Know-Hows and Techniques in Ancient Sudan. punctum books, 2016. https://doi.org/10.21983/p3.0148.1.00.

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Dotawo: A Journal of Nubian Studies offers a platform in which the old meets the new, in which archaeological, papyrological, and philological research into Meroitic, Old Nubian, Coptic, Greek, and Arabic sources confront current investigations in modern anthropology and ethnography, Nilo-Saharan linguistics, and critical and theoretical approaches present in post-colonial and African studies. Dotawo gives a common home to the past, present, and future of one of the richest areas of research in African studies. It offers a crossroads where papyrus can meet internet, scribes meet critical think
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Shields, James Phillip. Design, construction, and characterization of a six-electrode, direct current, variable length plasma source for atomic emmission spectroscopy. 1987.

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Sarkar, B. K., and Reena Singh. Hydrogen Fuel Cell Vehicles Current Status. Namya Press, 2022. http://dx.doi.org/10.56962/9789355451118.

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Abstract: The hazardous effects of pollutants from conventional fuel vehicles have caused the scientific world to move towards environmentally friendly energy sources. Though we have various renewable energy sources, the perfect one to use as an energy source for vehicles is hydrogen. Like electricity, hydrogen is an energy carrier that has the ability to deliver incredible amounts of energy. On-board hydrogen storage in vehicles is an important factor that should be considered when designing fuel cell vehicles. In this study, a recent development in hydrogen fuel cell engines is reviewed to s
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Book chapters on the topic "Direct current source"

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Babouche, Randa, Nourelddine Henini, Kamel Saoudi, and Taki Eddine Ameur. "Sliding Mode Control of Voltage Source Converter Based High Voltage Direct Current System." In Advances in Green Energies and Materials Technology. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0378-5_28.

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Teixeira-Neto, N. C., R. T. Azevedo-Cavalcanti, M. G. N. Monte-da-Silva, and A. E. F. Da-Gama. "Development of a Low-Cost, Open-Source Transcranial Direct-Current Stimulation Device (tDCS) for Clinical Trials." In XXVII Brazilian Congress on Biomedical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-70601-2_125.

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Rego, Gabriel, Lucas Murrins Marques, Marília Lira da Silveira Coêlho, and Paulo Sérgio Boggio. "Modulating the Social and Affective Brain with Transcranial Stimulation Techniques." In Social and Affective Neuroscience of Everyday Human Interaction. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-08651-9_15.

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AbstractTranscranial brain stimulation (TBS) is a term that denotes different noninvasive techniques which aim to modulate brain cortical activity through an external source, usually an electric or magnetic one. Currently, there are several techniques categorized as TBS. However, two are more used for scientific research, the transcranial magnetic stimulation (TMS) and the transcranial direct current stimulation (tDCS), which stimulate brain areas with a high-intensity magnetic field or a weak electric current on the scalp, respectively. They represent an enormous contribution to behavioral, c
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Lian, Xiaoqin, Yuqiao Wang, Chao Gao, et al. "A Method for Reconstructing Three-Dimensional Structure of Nasal Cavity Based on a Short-Source Acoustic Tube." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_5.

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Abstract The reconstruction of the three-dimensional structure of the nasal cavity is significant for the diagnosis and treatment of nasal and nasopharynx diseases. This study proposes a method for reconstructing the three-dimensional structure of the nasal cavity based on the short-source acoustic tube, which addresses the inconvenient portability and high cost of the long-source acoustic tube. Firstly, we separate incident and reflected waves based on the propagation characteristics of pulsed acoustic waves in a short-source acoustic tube. Secondly, to reduce the error in calculating the inp
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Zhang, Jianchao, Le Wang, and Haitao Ren. "A Review of Oscillating Buoy Devices in Wave Energy Power Generation." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-9184-2_46.

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AbstractEscalating energy demands and dramatic changes in global climate present a formidable challenge. As a clean, renewable, and unexploited large-scale energy source, ocean wave energy has attracted research attentions all over the world. Although the existing theoretical technologies of wave energy power generation are emerging rapidly, few of them can be applied to massive practical deployment. The current achievements of wave energy resources are reviewed in this paper; various forms and energy transmission modes of oscillating buoy wave energy converters are summarized, and their chara
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Schoeman, Renée P., Christine Erbe, Gianni Pavan, Roberta Righini, and Jeanette A. Thomas. "Analysis of Soundscapes as an Ecological Tool." In Exploring Animal Behavior Through Sound: Volume 1. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97540-1_7.

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AbstractSoundscapes have been likened to acoustic landscapes, encompassing all the acoustic features of an area. The sounds that make up a soundscape can be grouped according to their source into biophony (sounds from animals), geophony (sounds from atmospheric and geophysical events), and anthropophony (sounds from human activities). Natural soundscapes have changed over time because of human activities that generate sound, alter land-use patterns, remove animals from natural settings, and result in climate change. These human activities have direct and indirect effects on animal distribution
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Kado, H., S. Kashiwaya, M. Higuchi, and H. Miura. "Direct Approach to an Inverse Problem: A Trial to Describe Signal Sources by Current Elements Distribution." In Advances in Biomagnetism. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0581-1_127.

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Sayfutdinov, Khasan. "Promises and Commitments: The Role of Fair and Equitable Provisions and Local Foreign Direct Investment Law and Regulations in Generating Legitimate Expectations." In International Political Economy Series. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-55341-7_8.

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AbstractMost tribunals link legitimate expectations to violations of fair and equitable treatment provisions in bilateral investment treaties (BITs). The legitimate expectations of investors in the host country vary from country to country. This chapter analyses the most recent fair and equitable treatments (FETs) in Uzbekistan’s investment treaties and assesses the role of local investment law and regulations in building legitimate expectations. To do so, I review investment arbitration cases to build an analytical framework, whereby case law provides methodological guidance to design questio
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Çetin, Münevver, and İsmail Karsantık. "Current Trends in School Management: School Leadership in Education 4.0." In Educational Theory in the 21st Century. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9640-4_9.

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AbstractMeeting the needs of industrial development and reflecting the emerging demands onto the field of education has led to the emergence of Education 4.0 and initiated pedagogical, cultural, and managerial transformation in education in this direction. As a result of this transformation, macroscale structures and policies have been replaced by a microscale, web-oriented, local government paradigm. This section discusses current trends in education management and school leadership which are examined in the light of new education and management paradigms. In this direction, the shift in the
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Amjath-Babu, T. S., Santiago Lopez Riadura, and Timothy J. Krupnik. "Agriculture, Food and Nutrition Security: Concept, Datasets and Opportunities for Computational Social Science Applications." In Handbook of Computational Social Science for Policy. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-16624-2_11.

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AbstractEnsuring food and nutritional security requires effective policy actions that consider the multitude of direct and indirect drivers. The limitations of data and tools to unravel complex impact pathways to nutritional outcomes have constrained efficient policy actions in both developed and developing countries. Novel digital data sources and innovations in computational social science have resulted in new opportunities for understanding complex challenges and deriving policy outcomes. The current chapter discusses the major issues in the agriculture and nutrition data interface and prov
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Conference papers on the topic "Direct current source"

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Bonds, Richard W. "Causes, Investigation, and Mitigation of Stray Current Corrosion on Ductile Iron Pipe." In CORROSION 1991. NACE International, 1991. https://doi.org/10.5006/c1991-91516.

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Abstract As the designation implies, stray currents pertaining to underground pipelines are direct currents flowing through the earth from a source other than the pipeline being affected. When these stray direct currents accumulate on a metallic pipeline or structure, they can induce electrolytic corrosion of the metal or alloy. Sources of stray current include impressed current cathodic protection systems, electric transit systems, arc-welding equipment, direct current transmission systems, and grounding of electric systems to water pipe. For many years, the Ductile Iron Pipe Research Associa
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Xiong, Yanchao, Dong Jiang, Yixuan Shuai, and Zicheng Liu. "A Simplified and Direct Carrier-Based PWM for Parallel Winding Current Source Inverter." In 2024 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2024. https://doi.org/10.1109/ecce55643.2024.10861424.

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Cox, Allen H. "Stray Current and Segmented Ductile Iron Pipelines." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00439.

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Abstract Stray direct current, commonly called stray current, is an electrolytic process that is typically associated with buried metallic structures. Often, this mechanism of electrochemical action is generated from various sources, such as cathodic protection systems, direct current power trains or street cars, arc-welding equipment, direct current transmission systems, and electrical grounding systems. For underground pipelines, the most frequent source is from an impressed current cathodic protection system. Typically, corrosion engineers deal with stray current corrosion on welded-steel,
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Jaldanki, Sreenivasa S., Rajendra Prasad Kandula, and Madhu Sudhan Chintavali. "Study on Conversion from an Existing Alternating Current Medium-Voltage Line to a Direct Current Line: A Case of Load or Source Expansion." In 2024 IEEE Sixth International Conference on DC Microgrids (ICDCM). IEEE, 2024. http://dx.doi.org/10.1109/icdcm60322.2024.10664995.

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Qiao, Yantong. "Pilot Protection of Voltage Source Converter High Voltage Direct Current Transmission Line Based on Directional Traveling Wave Amplitude." In 2024 6th International Conference on Energy, Power and Grid (ICEPG). IEEE, 2024. https://doi.org/10.1109/icepg63230.2024.10775846.

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Lindemuth, Dale, and Daniel Crabtree. "AC and DC Stray Current Mitigation and Corrosion Control for a New Urban Pipeline." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01694.

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Abstract This case history discusses an evaluation of stray direct current (DC) influencing a 20-mile (32 km) long high pressure natural gas pipeline in a congested urban area. The pipeline is in an area of heavy stray DC influence from a network of DC powered rail transit lines. It also parallels several high voltage overhead AC power lines. The paper presents various field evaluation techniques including those involving coupons. Part of the stray current mitigation strategy involves coordinated communication with the rail transit operator in an effort to control the stray current directly at
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Li, Shute, Fahui Xing, Shaofei Wang, et al. "Research on Line Fault Protection Methods for Three-Terminal High Voltage Direct Current Transmission Systems Based on Voltage Source Converter." In 2025 4th International Conference on Smart Grid and Green Energy (ICSGGE). IEEE, 2025. https://doi.org/10.1109/icsgge64667.2025.10984578.

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Kustova, Vera, Dale Lindemuth, and Chad Kuykendall. "DC Transit Stray Current Corrosion Control: Everyone Wins When You Work Together." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-11270.

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Abstract This case history covers the stray current corrosion control program for a natural gas pipeline operator with assets influenced by operation of a nearby direct powered light rail transit system. The first phase of the 40+ mile long transit system went into service in the late 1990s. Part of the operational covenants included a proactive, mutually responsible agreement with the gas company to monitor and manage stray current effects on the gas system infrastructure. Transit track electrical isolation measures were included in the transit system design and construction to control stray
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George, Joffin. "Experimental Setup to Study the Effect of Pulse Width Modulated Signal on Impressed Current Cathodic System." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-10858.

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Abstract Cathodic Protection is a unique technique to control corrosion of metal by making the subject metal as the cathode of an electrochemical cell. Here the metal to be protected, referred to as cathode, is electrically connected to an easily corroded metal, referred to as sacrificial metal or galvanic anode. The chemical reaction taking place in an electrochemical cell causes the cathode to be protected and anode to disintegrate. For larger structures and where electrolytes have high resistivity, the potential difference between cathode and galvanic anode is not enough to generate suffici
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Gaugelhofer, Lucas, Jonas John, Manfred Hajek, and Likay Yavrucuk. "Lightning Strike Experiments and Their Direct Effects on Flax Fiber-Reinforced Polymer Panels for Rotorcraft Components." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1307.

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This paper experimentally investigates direct effects of lightning strikes on flax fiber-reinforced polymers. Highcurrent artificial lightning strikes are conducted on coupon level to evaluate thermo-mechanical damage and to quantify the sufficiency of copper wire mesh as lightning strike protection (LSP). The dataset shall also serve for verification of prospected numerical simulation. The natural fiber flax, as a sustainable source of composite reinforcement, has been demonstrated to be suitable for semi-structural parts of rotorcraft. However, its low electrical and thermal conductivity req
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Reports on the topic "Direct current source"

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Been. L52121 Coating Deterioration as a Precursor for SCC. Pipeline Research Council International, Inc. (PRCI), 2004. http://dx.doi.org/10.55274/r0011093.

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The selection and prioritization of field locations that most warrant direct examination of the pipe or other maintenance activities requires prediction of the coating conditions and the environmental conditions underneath a disbonded coating, which may support corrosion or cracking.� Current above ground measurements provide little information and to improve our ability of site-selection, this project considered a combined experimental and modeling approach to specifically identify those coating properties and environmental conditions that can lead to damaging SCC environments. Soil box exper
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Huatian, Xu, and Bi Wuxi. PR469-183600-R01 The Influence of Solid State Decouplers on Pipeline CP Surveys. Pipeline Research Council International, Inc. (PRCI), 2020. http://dx.doi.org/10.55274/r0011935.

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The objectives of this research are to figure out how solid state decouplers (SSDs) influence the surveys related to pipeline cathodic protection (CP) and provide corresponding field guidelines on how to mitigate the adverse effects of SSDs. Firstly, by combining the classical capacitor discharge theory and the equivalent circuit of the CP system, a four-stage physical model is built to explain how SSDs' discharge current pulse influences the CP related readings. From the physical model, we can obtain the following conclusions: (1) The driving force behind the discharging of an SSD's capacitor
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Chin, D., G. Sabde, and Z.-W. Sun. TAPS-5096 Mitigation of External Corrosion of a Buried Pipeline with Pulsed Cathodic Protection. Pipeline Research Council International, Inc. (PRCI), 1992. http://dx.doi.org/10.55274/r0011437.

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This report describes a study to determine the feasibility of using an external power source to cathodically protect the pipe surface beneath a disbonded coating. The relative advantages of using a pulsed current versus those of a direct current power supply were experimentally examined. Two main tasks were carried out during the project period; they were: i) a cathodic protection screening study using a small laboratory cell filled with either 0.6 M NaC solution or Atigun Valley ground water and ii) a cathodic protection test of a steel pipe buried in Atigun Valley soil. The second task simul
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Ahammad, Ronju, and Francisco X. Aguilar. Socio-economic indicators for the assessment of sustainability in the Swedish forest sector, and linkages with the national environmental quality objectives. SLU Future forests, Swedish University of Agricultural Sciences, 2024. http://dx.doi.org/10.54612/a.6cbejge10k.

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Sweden’s Environmental Quality Objectives (EQOs) have been adopted to help describe the environment the country wishes to achieve, and are a promise to future generations of clean air, a healthy living environment, and rich opportunities to enjoy nature. Here, we assessed selected socio-economic indicators adapted from the Montréal Process for the Conservation and Sustainable Management of Temperate and Boreal Forests (MP) to examine trends in the Swedish forest sector of direct relevance to the EQOs. We did this with the aim of raising awareness about important socio-economic dimensions relat
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Wolf, Shmuel, and William J. Lucas. Involvement of the TMV-MP in the Control of Carbon Metabolism and Partitioning in Transgenic Plants. United States Department of Agriculture, 1999. http://dx.doi.org/10.32747/1999.7570560.bard.

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The function of the 30-kilodalton movement protein (MP) of tobacco mosaic virus (TMV) is to facilitate cell-to-cell movement of viral progeny in infected plants. Our earlier findings have indicated that this protein has a direct effect on plasmodesmal function. In addition, these studies demonstrated that constitutive expression of the TMV MP gene (under the control of the CaMV 35S promoter) in transgenic tobacco plants significantly affects carbon metabolism in source leaves and alters the biomass distribution between the various plant organs. The long-term goal of the proposed research was t
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Lee-Jeffs, Ann, and Joanna Safi. Textile Circularity and the Sustainability Model of New Mobility. SAE International, 2024. http://dx.doi.org/10.4271/epr2024006.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;The world is on a “take-make-waste,” linear-growth economic trajectory where products are bought, used, and then discarded in direct progression with little to no consideration for recycling or reuse. This unsustainable path now requires an urgent call to action for all sectors in the global society: circularity is a must to restore the health of the planet and people. However, carbon-rich textile waste could potentially become a next-generation feedstock, and the mobility sector has the capacity to mobilize ecologically
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Powell, W., Nathan Beane, and Matthew Blanchard. Analysis of vegetation as terrain : the “how” and “why” of US Army doctrine. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48265.

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There is a significant knowledge gap for Army doctrine concerning civilian research scientists. A relatively small number of soldiers make the transition from warfighter to research and development at the basic and applied levels. That number is even less when considering former warfighters that have applied Army doctrine in an operational or advanced Army schooling environment. This special report is intended to focus solely on the Army’s current capabilities and doctrinally defined processes to analyze vegetation as an essential component of the natural terrain. The objective of this report
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Avi-Yonah, Reuven S. Globalization and Tax Competition: Implications for Developing Countries. Inter-American Development Bank, 2001. http://dx.doi.org/10.18235/0008545.

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The current age of globalization can be distinguished from the previous one by the much higher mobility of capital than labor. The mobility of capital has led to tax competition, in which sovereign countries lower their tax rates on income earned by foreigners within their borders in order to attract both portfolio and direct investment. Tax competition, in turn, threatens to undermine the individual and corporate income taxes, which remain major sources of revenue for all modern states. This paper argues that if government service programs are to be maintained in the face of globalization, it
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Shani, Uri, Lynn Dudley, Alon Ben-Gal, Menachem Moshelion, and Yajun Wu. Root Conductance, Root-soil Interface Water Potential, Water and Ion Channel Function, and Tissue Expression Profile as Affected by Environmental Conditions. United States Department of Agriculture, 2007. http://dx.doi.org/10.32747/2007.7592119.bard.

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Constraints on water resources and the environment necessitate more efficient use of water. The key to efficient management is an understanding of the physical and physiological processes occurring in the soil-root hydraulic continuum.While both soil and plant leaf water potentials are well understood, modeled and measured, the root-soil interface where actual uptake processes occur has not been sufficiently studied. The water potential at the root-soil interface (yᵣₒₒₜ), determined by environmental conditions and by soil and plant hydraulic properties, serves as a boundary value in soil and p
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Rickels, Wilfried. Database and report on currently already existing or announced ocean NETs projects, including a world map of projects. OceanNets, 2023. http://dx.doi.org/10.3289/oceannets_d1.8_v3.

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The Carbon Dioxide Removal (CDR) market is experiencing rapid development, with different regions adopting distinct approaches. In Europe, the progress is primarily driven top-down through the implementation of regulations aimed at integrating CDR into various climate instrument pillars within the EU. In contrast, the United States is witnessing a bottom-up growth trajectory, characterized by the emergence of start-ups, carbon registries, marketplaces, and insurance companies, all playing a role in the expansion of the CDR sector. This surge in CDR-related businesses has been further catalyzed
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