Relevant bibliographies by topics / Figure of eight-shaped shield

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Academic literature on the topic 'Figure of eight-shaped shield'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Figure of eight-shaped shield"

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Zhao, Chen, Shunqi Zhang, Zhipeng Liu, and Tao Yin. "Simulation Study to Improve Focalization of a Figure Eight Coil by Using a Conductive Shield Plate and a Ferromagnetic Block." IEEE Transactions on Neural Systems and Rehabilitation Engineering 23, no. 4 (July 2015): 529–37. http://dx.doi.org/10.1109/tnsre.2015.2389263.

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Haug, Carolin, and Joachim T. Haug. "The fossil record of whip spiders: the past of Amblypygi." PalZ 95, no. 3 (March 31, 2021): 387–412. http://dx.doi.org/10.1007/s12542-021-00552-z.

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AbstractWhip spiders (Amblypygi), as their name suggests, resemble spiders (Araneae) in some aspects, but differ from them by their heart-shaped (prosomal) dorsal shield, their prominent grasping pedipalps, and their subsequent elongate pair of feeler appendages. The oldest possible occurrences of whip spiders, represented by cuticle fragments, date back to the Devonian (c. 385 mya), but (almost) complete fossils are known from the Carboniferous (c. 300 mya) onwards. The fossils include specimens preserved on slabs or in nodules (Carboniferous, Cretaceous) as well as specimens preserved in amber (Cretaceous, Eocene, Miocene). We review here all fossil whip spider specimens, figure most of them as interpretative drawings or with high-quality photographs including 3D imaging (stereo images) to make the three-dimensional relief of the specimens visible. Furthermore, we amend the list by two new specimens (resulting in 37 in total). The fossil specimens as well as modern whip spiders were measured to analyse possible changes in morphology over time. In general, the shield appears to have become relatively broader and the pedipalps and walking appendages have become more elongate over geological time. The morphological details are discussed in an evolutionary framework and in comparison with results from earlier studies.
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Lee, Taeheon, Joongsuk Oh, Jonghwa Jeong, Haeji Jung, June Huh, Taihyun Chang, and Hyun-jong Paik. "Figure-Eight-Shaped and Cage-Shaped Cyclic Polystyrenes." Macromolecules 49, no. 10 (May 3, 2016): 3672–80. http://dx.doi.org/10.1021/acs.macromol.6b00093.

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Kucheriava, I. M. "MAGNETIC FIELD SHIELDING OF UNDERGROUND POWER CABLE LINE BY H-SHAPED SHIELD." Tekhnichna Elektrodynamika 2020, no. 6 (October 21, 2020): 15–20. http://dx.doi.org/10.15407/techned2020.06.015.

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In the article the magnetic field distributions, generated by underground extra-high voltage (330 kV) three-phase power cable line in the environment, in particular near the cables in the trench and on the ground, are analyzed for using of H-shaped shield made of different materials including aluminum, low carbon steel and non-oriented grain steel. As shown, the best shielding effectiveness is realized by aluminium shield. The H-shaped shield made of high-conducting non-magnetic materials is proposed to use in order to mitigate the magnetic field level on the ground down to regulated nonhazardous values. References 14, figures 7.
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Kalogirou, Andreas, Othonas A. Moultos, Leonidas N. Gergidis, and Costas Vlahos. "Micellization Properties of Θ-Shaped, Figure-Eight-Shaped and Linked Rings Copolymers." Macromolecules 47, no. 16 (August 4, 2014): 5851–59. http://dx.doi.org/10.1021/ma501053d.

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Eom, G. S., D. Yang, E. Lee, S. Park, Y. Lee, and J. W. Hahn. "Wave propagation characteristics of a figure-eight shaped nanoaperture." Journal of Applied Physics 101, no. 10 (May 15, 2007): 103101. http://dx.doi.org/10.1063/1.2732412.

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Yamamoto, Koji, Yasuhiro Saitho, Daisuke Iwaki, and Takayuki Ooka. "[7.7]Circulene, a Molecule Shaped Like a Figure of Eight." Angewandte Chemie International Edition in English 30, no. 9 (September 1991): 1173–74. http://dx.doi.org/10.1002/anie.199111731.

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Provatidis, C. G. "Unidirectional motion using rotating masses along figure-eight-shaped trajectories." Journal of the Brazilian Society of Mechanical Sciences and Engineering 37, no. 1 (March 27, 2014): 397–409. http://dx.doi.org/10.1007/s40430-014-0154-y.

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Llibre, Jaume, José Paraños, and J. Ángel Rodríguez. "Periods for Continuous Self-Maps of the Figure-Eight Space." International Journal of Bifurcation and Chaos 13, no. 07 (July 2003): 1743–54. http://dx.doi.org/10.1142/s0218127403007606.

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Let 8 be the graph shaped like the number 8. This paper contains a characterization of all possible sets of periods for all continuous self-maps of 8 with the branching point fixed. We remark that this characterization is the first complete classification of the sets of periods for all continuous self-maps on a connected graph with negative Euler characteristic with fixed branching points.
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Jianliang He and H. Coffey. "Magnetic damping forces in figure-eight-shaped null-flux coil suspension systems." IEEE Transactions on Magnetics 33, no. 5 (1997): 4230–32. http://dx.doi.org/10.1109/20.619719.

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Dissertations / Theses on the topic "Figure of eight-shaped shield"

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Matoušková, Monika. "Použití symbolů v minojské a mykénské ikonografii." Master's thesis, 2020. http://www.nusl.cz/ntk/nusl-436570.

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This Master thesis deals with symbolic objects appearing in the Bronze Age Aegean art in the 3rd and especially the 2nd millennium BCE. Recurrent types of scenes and motifs speak for the fact that there must have existed a complex iconographic system of Minoan and Mycenaean art. An analytical method aiming at single elements of composite scenes may bring us closer to better understanding of this system and to its more objective interpretation. The study, therefore, focuses on the iconography of each individual symbol and also discusses its possible parallels in art of the neighbouring Bronze Age cultures. Nonetheless, the Aegean iconographic system was not strictly codified throughout the entire Bronze Age and some of the themes evolved or were specific only for certain eras. For that reason, the studied material is treated in a diachronic approach so as to stress the iconographic evolution of the symbols' use. The aim is to provide a profound analysis of the rules applied to the symbols in Minoan and Mycenaean art, to investigate their possible origins, and finally to examine their mutual interconnections.
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Books on the topic "Figure of eight-shaped shield"

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Bridges, John C. Evolution of the Martian Crust. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190647926.013.18.

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This is an advance summary of a forthcoming article in the Oxford Encyclopedia of Planetary Science. Please check back later for the full article.Mars, which has a tenth of the mass of Earth, has cooled as a single lithospheric plate. Current topography gravity maps and magnetic maps do not show signs of the plate tectonics processes that have shaped the Earth’s surface. Instead, Mars has been shaped by the effects of meteorite bombardment, igneous activity, and sedimentary—including aqueous—processes. Mars also contains enormous igneous centers—Tharsis and Elysium, with other shield volcanoes in the ancient highlands. In fact, the planet has been volcanically active for nearly all of its 4.5 Gyr history, and crater counts in the Northern Lowlands suggest that may have extended to within the last tens of millions of years. Our knowledge of the composition of the igneous rocks on Mars is informed by over 100 Martian meteorites and the results from landers and orbiters. These show dominantly tholeiitic basaltic compositions derived by melting of a relatively K, Fe-rich mantle compared to that of the Earth. However, recent meteorite and lander results reveal considerable diversity, including more silica-rich and alkaline igneous activity. These show the importance of a range of processes including crystal fractionation, partial melting, and possibly mantle metasomatism and crustal contamination of magmas. The figures and plots of compositional data from meteorites and landers show the range of compositions with comparisons to other planetary basalts (Earth, Moon, Venus). A notable feature of Martian igneous rocks is the apparent absence of amphibole. This is one of the clues that the Martian mantle had a very low water content when compared to that of Earth.The Martian crust, however, has undergone hydrothermal alteration, with impact as an important heat source. This is shown by SNC analyses of secondary minerals and Near Infra-Red analyses from orbit. The associated water may be endogenous.Our view of the Martian crust has changed since Viking landers touched down on the planet in 1976: from one almost entirely dominated by basaltic flows to one where much of the ancient highlands, particularly in ancient craters, is covered by km deep sedimentary deposits that record changing environmental conditions from ancient to recent Mars. The composition of these sediments—including, notably, the MSL Curiosity Rover results—reveal an ancient Mars where physical weathering of basaltic and fractionated igneous source material has dominated over extensive chemical weathering.
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Book chapters on the topic "Figure of eight-shaped shield"

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Heap, R. B. "Animals and the Human Food Chain." In Feeding a World Population of More Than Eight Billion People. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195113129.003.0025.

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The argument that the population explosion presents a serious challenge to the ability of the world to feed itself and a serious threat for the recovery potential of the planet has been well rehearsed. The Reverend Thomas Malthus, an ordained minister of the Anglican church and a Fellow of Jesus College, Cambridge, stated in his famous essay nearly 200 years ago that “population, when unchecked, increases in a geometrical ratio. Subsistence increases only in an arithmetical ratio” (Malthus, 1798). Since 1950 the human population has doubled, and U.N. projections indicate that it is set to reach about 8 billion by the year 2020 and 9.5 billion in 2050. The trajectory of the sigmoid model predicts that the current exponential increase will stabilize around a figure of 10 billion by 2100. A different model is the J-shaped curve, in which exponential growth during favorable conditions is followed by a dramatic, if recoverable, crash resulting from density-dependent destruction of the environment. Whichever model will apply in future, population growth will be checked somehow, depending on the influence of food security, fertility control, and socioeconomic factors. Many of the chapters in this book have focused on land resources and the opportunities that exist for improvements in crop production. While a substantial component of the planet’s biomass consists of vegetation, it would be unwise to underestimate the direct and indirect contributions of livestock to food security. In this chapter I consider the impact of scientific advances on animal production and the human food chain and examine the reasons there are strong dissenting voices raised against the adoption of some technologies and to what extent such concerns affect progress. The Brundtland Commission (1987) defined food security as secure ownership of, or access to resources, assets, and income-earning activities to offset risks, ease shocks, and meet contingencies. In other words, not everyone is intended to be a subsistence fanner, but everyone must possess the means to acquire an adequate diet. For most of the world’s population this is a rational interpretation of food security, with the prosperous producing that which is surplus to indigenous needs and the less developed areas benefiting from that surplus’s distribution to areas of scarcity.
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Conference papers on the topic "Figure of eight-shaped shield"

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Xie, Jin, Hui Yan, and Yong Chen. "On the Mathematical Morphology Based Coupler-Curve Feature Extraction for the Purpose of Synthesis of Path Generating Mechanism." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49627.

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To extract the features from a coupler curve is one of key issues in the synthesis of path generating mechanism. Fourier transformation is widely used at present. A new method of feature extraction, named mathematical morphology based method, emerges in resent years. Based on the essential operations of mathematical morphology, the shape spectrum (SS) of the coupler curve is computed. SS is rotation-scale-translation invariant. Therefore, as a means of describing coupler curve, it has possesses advantage over that based on Fourier transformation. In this paper, what kind information involved in SS of a curve is revealed. It is shown that the largest radius of internally tangent circle and the area inside of the curve can be inferred from its SS. This paper also shows that SS is without the information of the structure feature which is necessary to describe a nonsimple closed coupler curve. Eight-figure-shaped coupler curve is the simplest nonsimple closed curve. To describe such curve, three structure parameters of the curve should be involved besides that provided by SS of curve. A method using five numbers to describe and differentiate an eight-figure-shaped coupler curve is proposed in this paper. The five numbers can be obtained from its SS and the structure of the curve. A new formula to compute the similarity between two eight-figure-shaped couplers using the five numbers is presented.
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Reports on the topic "Figure of eight-shaped shield"

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He, J. L., T. M. Mulcahey, D. M. Rote, and T. Kelly. Computer modeling and experimental verification of figure-eight-shaped null-flux coil suspension system. Office of Scientific and Technical Information (OSTI), December 1994. http://dx.doi.org/10.2172/10120388.

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