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  • 1
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    Chapter 6 Virtual Energy Storage Systems for Virtual Power Plants (2023)
    Taylor & Francis | CRC Press
    Details
    Publication Date: 2024-04-11
    Description: This book provides a general overview of virtual power plants (VPP) as a key technology in future energy communities and active distribution and transmission networks for managing distributed energy resources, providing local and global services, and facilitating market participation of small-scale managing distributed energy resources and prosumers. The book also aims at describing some practical solutions, business models, and novel architectures for the implementation of VPPs in the real world. Each chapter of the book begins with the fundamental structure of the problem required for a rudimentary understanding of the methods described. It provides a clear picture for practical implementation of VPP through novel technologies such as blockchain, digital twin, and distributed ledger technology. The book will help the electrical and power engineers, undergraduate, graduate students, research scholars, and utility engineers to understand the emerging solutions regarding the VPP concept lucidly.
    Keywords: Comprehensive, Smart, Energy ,Management, Strategy, TVPP, CVPP, Virtual ,Storage, Power Plants ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJF Electronics engineering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THY Energy, power generation, distribution and storage ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJF Electronics engineering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THY Energy, power generation, distribution and storage
    Language: English
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    E-BOOK
  • 2
    Electronic Resource
    Electronic Resource
    Bolometric observation of nonradiative decay of surface plasmons in silver (1989)
    Springer
    Applied physics 48 (1989), S. 497-500 
    Details
    ISSN: 1432-0630
    Keywords: 07.60 ; 07.62 ; 78.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract A bolometric technique was used to observe the nonradiative decay of surface plasmons in a silver film. This technique allowed us to separate the radiative and nonradiative relaxations of the plasmons and to determine the radiative quantum efficiency. It is suitable for both cw and pulsed laser beams and for both polarized and nonpolarized light.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00619725
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  • 3
    Electronic Resource
    Electronic Resource
    Experimental Study on Fatigue Crack Growth and Residual Strength of Steel 30CrMnSiNi2A under Mixed Corrosive Environments (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 33-37 (Mar. 2008), p. 261-266 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The effects of five single and three mixed corrosive environments on the fatigue crackgrowth and residual strength of steel 30CrMnSiNi2A were experimentally studied. The crackgrowth rates in corrosive environments, obtained by using Paris equation, were compared withcrack growth rate in lab air. The results showed that the interactions of aggressive environmentswith fatigue loads caused the accelerations of fatigue crack growth rates in steel 30CrMnSiNi2A.But the effects of various environments on the fatigue crack growth rate are different. Among theenvironments the most detrimental one was oil-box zone, followed by cookroom&washroom, tankseeper, 3.5%NaCl, moist air, high altitude and dried air. Also, the test data showed the less effect ofvarious corrosive environments on critical crack length, that is, no direct infection of corrosive environmentson residual strength capability dominated by fracture toughness
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.33-37.261.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Optical and transport properties of Sb-doped SrTiO3 thin films (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 90 (2001), S. 4664-4667 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Optically transparent SrTi1−xSbxO3 (=0.05, 0.10, 0.15, and 0.20) thin films with transmittances higher than 85% in the visible region have been grown on SrTiO3 substrates by pulsed-laser deposition. Unless overdoped, the films possess a single-crystal phase and impurity conduction. The temperature dependence of the resistivities shows a metal–semiconductor transition for the film with x=0.05, and semiconducting behaviors for the films with x=0.10 and 0.15. The overdoped film with x=0.20 is an insulator. Sb concentration has a dominant effect on the electrical properties of the films, and the Anderson localization is probably the mechanism. X-ray photoelectron spectroscopy results indicate that the Sb impurity atoms provide donor electrons to form impurity states within the band gap, which is responsible for the electrical localized impurity. The wide band gap and the low density of states in the conduction band result in the transparency of the films. The disorder increases with Sb concentration, which is the main origin of the evolution of the electrical properties. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1408596
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  • 5
    Electronic Resource
    Electronic Resource
    Structural characteristics of CeO2 films grown on biaxially textured nickel (001) (1998)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 84 (1998), S. 1994-1997 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Preferential (001) orientation CeO2 films have been successfully grown on biaxially textured Ni substrates using ion beam assisted pulsed laser deposition. The x-ray diffraction (XRD) patterns for the CeO2 films and target have been measured. The in-plane lattice constants have been derived from the data of XRD. It was found that the in-plane lattice constants of the films increase with increasing deposition temperature. A reasonable explanation based on the difference of the linear thermal expansion coefficient between the CeO2 film and Ni substrate was proposed. Moreover, Raman spectra of the films and target have been recorded. It was shown that the oxygen deficiency in the CeO2 samples has a great effect on the full width at half maximum of the Raman lines. According to the relation between the Gruneisen shift and the lattice contraction, we have obtained the theoretical Raman shifts which are in good agreement with the experimental results. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.368333
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  • 6
    Electronic Resource
    Electronic Resource
    Thin SiC films prepared by pyrolysis of polyimide Langmuir–Blodgett films on silicon (1994)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 64 (1994), S. 1445-1447 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The quasi-single-crystal SiC thin films were grown on silicon (111) by pyrolysis of polyimide LB films at 1000 °C in vacuum. The chemical and structural characterizations were studied by x-ray diffraction, infrared absorption, x-ray photoelectron spectroscopy, and Laue photography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.111911
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  • 7
    Electronic Resource
    Electronic Resource
    Ageing effects in SQS tubes
    Amsterdam : Elsevier
    Nuclear Instruments and Methods in Physics Research Section A: 276 (1989), S. 280-288 
    Details
    ISSN: 0168-9002
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-9002(89)90645-1
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  • 8
    Electronic Resource
    Electronic Resource
    The traction effect of lateral roots of Pinus yunnanensis on soil reinforcement: a direct in situ test (1997)
    Springer
    Plant and soil 190 (1997), S. 77-86 
    Details
    ISSN: 1573-5036
    Keywords: lateral roots ; pine forest ; soil reinforcement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A traction effect by lateral roots is one way in which roots can contribute to lateral in-plane reinforcement of a shallow soil mass. ln contrast to the effect of vertically-extending roots, whereby soil is reinforced by an increase in its shear strength, the traction effect reinforces the soil by enhancing the tensile strength of the rooted soil zone. To verify whether or not a traction effect exists in the root system of a pine forest (Pinus yunnanensis French) in the Hutiaoxia Gorge, SW China, and to investigate the magnitude of this effect, a direct in situ test was conducted at two sites in the gorge. The results from the two sites showed that, in the topmost soil (0∼20cm), the lateral roots are able to provide a tractive force of up to 421.19∼561.05 N over a vertical cross-section area of 20×50 cm2, or an increase in the pulling resistance of the rooted soil by 33.2∼37.58%.This is equivalent to a tensile strength increase of the shallow rooted soil by 4.2∼5.6 KPa. The test results imply that, together with the pine's vertical roots, which anchor the shallow rooted soil zone to the deep and more stable soil mass, the lateral roots of the pine trees, through their traction effect, are able to mitigate against shallow instability in the forested slopes, such as shallow slide and creep, to a certain degree.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004263205165
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  • 9
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    AP2 transcription factor CBX1 with a specific function in symbiotic exchange of nutrients in mycorrhizal Lotus japonicus (2018)
    National Academy of Sciences
    Details
    Publication Date: 2018-09-12
    Description: The arbuscular mycorrhizal (AM) symbiosis, a widespread mutualistic association between land plants and fungi, depends on reciprocal exchange of phosphorus driven by proton-coupled phosphate uptake into host plants and carbon supplied to AM fungi by host-dependent sugar and lipid biosynthesis. The molecular mechanisms and cis-regulatory modules underlying the control of phosphate uptake and de novo fatty acid synthesis in AM symbiosis are poorly understood. Here, we show that the AP2 family transcription factor CTTC MOTIF-BINDING TRANSCRIPTION FACTOR1 (CBX1), a WRINKLED1 (WRI1) homolog, directly binds the evolutionary conserved CTTC motif that is enriched in mycorrhiza-regulated genes and activates Lotus japonicus phosphate transporter 4 (LjPT4) in vivo and in vitro. Moreover, the mycorrhiza-inducible gene encoding H+-ATPase (LjHA1), implicated in energizing nutrient uptake at the symbiotic interface across the periarbuscular membrane, is coregulated with LjPT4 by CBX1. Accordingly, CBX1-defective mutants show reduced mycorrhizal colonization. Furthermore, genome-wide–binding profiles, DNA-binding studies, and heterologous expression reveal additional binding of CBX1 to AW box, the consensus DNA-binding motif for WRI1, that is enriched in promoters of glycolysis and fatty acid biosynthesis genes. We show that CBX1 activates expression of lipid metabolic genes including glycerol-3-phosphate acyltransferase RAM2 implicated in acylglycerol biosynthesis. Our finding defines the role of CBX1 as a regulator of host genes involved in phosphate uptake and lipid synthesis through binding to the CTTC/AW molecular module, and supports a model underlying bidirectional exchange of phosphorus and carbon, a fundamental trait in the mutualistic AM symbiosis.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 10
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    Ctf4-related protein recruits LHP1-PRC2 to maintain H3K27me3 levels in dividing cells in Arabidopsis thaliana (2017)
    National Academy of Sciences
    Details
    Publication Date: 2017-04-20
    Description: Polycomb Repressive Complex (PRC) 2 catalyzes the H3K27me3 modification that warrants inheritance of a repressive chromatin structure during cell division, thereby assuring stable target gene repression in differentiated cells. It is still under investigation how H3K27me3 is passed on from maternal to filial strands during DNA replication; however, cell division can reinforce H3K27me3 coverage at target regions. To identify novel factors involved in the Polycomb pathway in plants, we performed a forward genetic screen for enhancers of the like heterochromatin protein 1 (lhp1) mutant, which shows relatively mild phenotypic alterations compared with other plant PRC mutants. We mapped enhancer of lhp1 (eol) 1 to a gene related to yeast Chromosome transmission fidelity 4 (Ctf4) based on phylogenetic analysis, structural similarities, physical interaction with the CMG helicase component SLD5, and an expression pattern confined to actively dividing cells. A combination of eol1 with the curly leaf (clf) allele, carrying a mutation in the catalytic core of PRC2, strongly enhanced the clf phenotype; furthermore, H3K27me3 coverage at target genes was strongly reduced in eol1 clf double mutants compared with clf single mutants. EOL1 physically interacted with CLF, its partially redundant paralog SWINGER (SWN), and LHP1. We propose that EOL1 interacts with LHP1–PRC2 complexes during replication and thereby participates in maintaining the H3K27me3 mark at target genes.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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