Relevant bibliographies by topics / Complex form parts

Contents

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

Academic literature on the topic 'Complex form parts'

Author: Grafiati
Published: 28 May 2022
Last updated: 30 July 2025

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Journal articles on the topic "Complex form parts"

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Xiao, Xiao Feng, Qiong Xue, Ke Feng Xiao, and Xiao Lan Hu. "LFC Mold Development of Complex Parts with Free-Form Surface." Advanced Materials Research 228-229 (April 2011): 532–36. http://dx.doi.org/10.4028/www.scientific.net/amr.228-229.532.

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This paper has analyzed key techniques in foam mold development for Lost Foam Casting for different types of casting, which are complex box, pipe faucet junction ,wear-resisting and refractory alloy steel casting, Focused on complex castings with free-form surface, key points during whole technical route, which includes three-dimensional modeling, foamed pattern design, mold design and CNC program, have been discussed by utilizing modeling & manufacturing module on Unigraphics. Because of its perfect free-form surface functions and plentiful toolpath operations in CNC programming, Foam mol
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Drobotov, Alexey, Artem Avdeev, and Andrey Shvets. "Magnetohydrodynamic pump application in complex form aluminum parts additive manufacturing." MATEC Web of Conferences 224 (2018): 01076. http://dx.doi.org/10.1051/matecconf/201822401076.

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A review of Drop-on-Demand additive manufacturing methods was held. A method of complex forms aluminum parts production through the application of magnetohydrodynamic pump and 5 axis manufacturing process was proposed. 5 axis 3D printer assembly was shown. A few operation modes were proposed for such 3D printer and a method for fill lines paths calculating, needed for G-code automatic generation, was established. The algorithm for calculating printhead moving trajectory in the cylindrical parts manufacture mode was shown.
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Karpenko, V. M., A. V. Granovskii, and P. A. Gavrish. "Plasma-arc spray gun for surfacing parts of complex form." Chemical and Petroleum Engineering 25, no. 8 (1989): 474–75. http://dx.doi.org/10.1007/bf01156697.

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Ren, Yong Xin, Zhong De Shan, Feng Liu, Zhao Xian Gu, Chang Hao Chi, and Jing Zhang. "Five-Axis CNC Processing Technology to Form Expendable Patterns." Advanced Materials Research 971-973 (June 2014): 306–9. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.306.

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During the casting of expendable pattern complex parts, the pattern accuracy is the key in determining the quality of expendable pattern. The paper conducts research on 5-axis CNC processing technology of multiple axes rotary spindle head expendable pattern, which is applied in processing experiments of complex parts expendable pattern. The results show that it is feasible to directly process expendable pattern with 5-axis CNC machine technology, which will have good promotional value.
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Renz, Graham. "Hylomorphism and Complex Properties." Metaphysica 21, no. 2 (2020): 179–97. http://dx.doi.org/10.1515/mp-2019-0003.

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AbstractHylomorphism is the Aristotelian theory according to which objects are composites of form and matter. Form is what unifies the various parts of an object – the matter – into a cohesive whole. Some contemporary hylomorphists argue their theory applies beyond the realm of concreta, and that it explains the unity of various abstract entities. Not everyone agrees. Recent criticism alleges that hylomorphism fails to explain the unity of certain abstract entities, namely, complex properties – properties with other properties as proper parts. Here, I both respond to this criticism and show th
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Campos, Rafael G., and Marisol L. Calderón. "Approximate Closed-Form Formulas for the Zeros of the Bessel Polynomials." International Journal of Mathematics and Mathematical Sciences 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/873078.

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We find approximate expressionsx̃(k,n,a)andỹ(k,n,a)for the real and imaginary parts of thekth zerozk=xk+iykof the Bessel polynomialyn(x;a). To obtain these closed-form formulas we use the fact that the points of well-defined curves in the complex plane are limit points of the zeros of the normalized Bessel polynomials. Thus, these zeros are first computed numerically through an implementation of the electrostatic interpretation formulas and then, a fit to the real and imaginary parts as functions ofk,nandais obtained. It is shown that the resulting complex numberx̃(k,n,a)+iỹ(k,n,a)isO(1/n2)-
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De Little, Alex. "Georgia Rodgers, Line of parts. hcmf//, 2019." Tempo 74, no. 292 (2020): 86. http://dx.doi.org/10.1017/s0040298219001311.

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As I enter Georgia Rodgers’ Line of parts, I am struck by the instrument for which she has composed: three levitating circles of loudspeakers, one above the other, that form a cylinder of sound rising up above my head. They are housed inside a space-age enclosure, clad in complex geometric foam shapes; a circular array of chairs facing outwards sits in centre of this space, inviting an independent and reflective – rather than communal – listening experience. This space wraps you in it: a womb-like architecture of sonic potential.
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Zalyubovskyi, M. G., I. V. Panasyuk, Y. I. Smirnov, Y. V. Klaptsov, and V. V. Malyshev. "EXPERIMENTAL INVESTIGATION OF THE HANDLING PROCESS OF POLYMERIC UNITS IN A MACHINE WITH A COMPACTED SPACE MOVEMENT OF WORKING CAPACITY." Bulletin of the Kyiv National University of Technologies and Design. Technical Science Series 132, no. 2 (2019): 24–32. http://dx.doi.org/10.30857/1813-6796.2019.2.2.

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An experimental determination of the main technological parameters of polishing small polymer parts with a free abrasive in the form of granules in containers that perform a complex spatial movement. Methodology. An experimental investigation of the processing of small polymeric parts by abrasive in the form of free granules in a machine whose working capacities performs a complex spatial movement to determine rational polishing conditions.
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ZAÏMI, TOUFIK. "ON REAL PARTS OF POWERS OF COMPLEX PISOT NUMBERS." Bulletin of the Australian Mathematical Society 94, no. 2 (2016): 245–53. http://dx.doi.org/10.1017/s0004972716000125.

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We prove that a nonreal algebraic number $\unicode[STIX]{x1D703}$ with modulus greater than $1$ is a complex Pisot number if and only if there is a nonzero complex number $\unicode[STIX]{x1D706}$ such that the sequence of fractional parts $(\{\Re (\unicode[STIX]{x1D706}\unicode[STIX]{x1D703}^{n})\})_{n\in \mathbb{N}}$ has a finite number of limit points. Also, we characterise those complex Pisot numbers $\unicode[STIX]{x1D703}$ for which there is a convergent sequence of the form $(\{\Re (\unicode[STIX]{x1D706}\unicode[STIX]{x1D703}^{n})\})_{n\in \mathbb{N}}$ for some $\unicode[STIX]{x1D706}\i
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Kudryashov, E. A., I. М. Smirnov, and D. V. Grishin. "TECHNOLOGICAL FEATURES OF PARTS WITH COMPLEX SURFACES MACHINING." Proceedings of the Southwest State University 22, no. 1 (2018): 71–77. http://dx.doi.org/10.21869/2223-1560-2018-22-1-71-77.

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The complexity of the technology of machining by cutting complex surfaces of parts heterogeneous in terms of physical and mechanical properties and different machinability, and, in particular, of metals (aluminum) and plastics (polyurethane and polyethylene), which form an assembly component, a section of the container-type countermine system is defined in the paper. The description of technological process operations of machining of a basic detail of an item, the body, is given. Features, the presence of which creates not only difficulties in the implementation of the technological process of
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Dissertations / Theses on the topic "Complex form parts"

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Колос, В. О. "Інтенсифікація механічного оброблення деталей типу кронштейнів". Master's thesis, Сумський державний університет, 2019. http://essuir.sumdu.edu.ua/handle/123456789/75618.

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Пояснювальна записка виконана на 106 стoрінках машинного тексту і включає 30 рисунків, 18 таблиць, 99 використаних джерел. Метою роботи є підвищення ефективності механічної обробки деталей типу кронштейнів за рахунок інтенсифікації ТП та впровадження гнучких ВП, здатних забезпечити багатокоординатну обробку. Об’єкт дослідження: технологічний процес механічної обробки деталей типу кронштейнів. Предмет дослідження: верстатний пристрій для механічної обробки деталей типу кронштейнів. Наукова новизна результатів полягає в наступному: – розроблено проблемно-орієнтовану класифікацію деталей тип
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Banerjee, Ashis Gopal. "Computer aided design of side actions for injection molding of complex parts." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3985.

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Thesis (M.S.) -- University of Maryland, College Park, 2006.<br>Thesis research directed by: Dept. of Mechanical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Dwivedi, Rajeev. "Process planning for rapid manufacturing of parts with complex geometries and functionally graded composition." Ann Arbor, Mich. : ProQuest, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3214775.

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Thesis (Ph.D. in Mechanical Engineering)--S.M.U.<br>Title from PDF title page (viewed May 23, 2007). Source: Dissertation Abstracts International, Volume: 67-04, Section: B, page: 2188. Adviser: Radovan Kovacevic. Includes bibliographical references.
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Nguyen, Jason Nam. "A heuristic optimization method for the design of meso-scale truss structure for complex-shaped parts." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44810.

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Advances in additive manufacturing technologies have brought a new paradigm shift to both design and manufacturing. There is a much bigger design space in which designers can achieve a level of complexity and customizability, which are infeasible using traditional manufacturing processes. One application of this technology is for fabrication of meso-scale lattice structures (MSLS). These types of structures are designed to have material where it is needed for specific applications. They are suitable for any weight-critical applications, particularly in industries where both low weight and high
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Sreedhar, Aldric, and C. L. Kaushik Gupta. "Pre-study on the use of additive manufacturing to produce low volume complex parts and its environmental sustainability." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-52800.

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With the rapid increase in demand for more high-value customized products and a more sustainable approach to manufacturing, companies are focusing on being more flexible while also trying to minimize environmental impact. As it is not possible to meet these current demands using traditional manufacturing techniques, manufacturing industries are searching for better manufacturing alternatives to address these issues in order to stay competitive. In this thesis, the two issues of manufacturing complex, low volume parts and environmental sustainability were investigated with the use of the additi
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Thompson, Kate. "Models as mindtools for environmental education how do students use models to learn about a complex socio-environmental system? /." Connect to full text, 2007. http://hdl.handle.net/2123/3608.

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Thesis (Ph. D.)--University of Sydney, 2008.<br>Title from title screen (viewed 20 October 2008). Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the CoCo Research Centre, the Centre for Research on Computer Supported Learning and Cognition, Faculty of Education and Social Work, University of Sydney. Degree awarded 2008; thesis submitted 2007. Also available in print form.
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Elwany, Alaa H. "Sensor-based prognostics and structured maintenance policies for components with complex degradation." Diss., Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/37198.

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We propose a mathematical framework that integrates low-level sensory signals from monitoring engineering systems and their components with high-level decision models for maintenance optimization. Our objective is to derive optimal adaptive maintenance strategies that capitalize on condition monitoring information to update maintenance actions based upon the current state of health of the system. We refer to this sensor-based decision methodology as "sense-and-respond logistics". As a first step, we develop and extend degradation models to compute and periodically update the remaining life
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Saini, Abhishek. "Application of carboranes and metallacarboranes for synthesis of innovative nanostructures and for the development of highly stable ion-pair potentiometric sensors." Doctoral thesis, Universitat Autònoma de Barcelona, 2019. http://hdl.handle.net/10803/669355.

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En este trabajo se han descrito las aplicaciones de los carboranos y metalacarboranos para el desarrollo de complejos de pares iónicos y nanoestructuras. El anión metalacarborano [Co(C2B9H11)2]- se ha utilizado junto con antiobióticos del tipo [NR-R'H+] para formar complejos de pares de iones que, al incorporarse en la membrana polimérica de un electrodo selectivo de micro iones (ISE), pueden utilizarse para la detección potenciométrica del antibiótico utilizado en el complejo de pares de iones. El anión [Co(C2B9H11)2]- también se utilizó junto con el Polipirrol para formar una capa de polím
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Shin, Seunghoon. "Part I. Water-soluble organometallic catalysts for asymmetric reactions in aqueous media ; Part II. Silylstannylative cyclization of unsaturated substrates catalyzed by Palladium Complex /." The Ohio State University, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486474078048077.

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Garner, Stuart K. "Exploring a technology-facilitated part-complete solution method for learning computer programming." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2005. https://ro.ecu.edu.au/theses/668.

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Learning to program is now a requirement in many courses of study in such areas as computer science, information technology, information systems, multimedia. engineering, and science. However, research indicates that many students have great difficulties in learning to program and this results in high failure rates and high levels of withdrawal from academic courses. It is accepted that programming is an intrinsically difficult subject however the teaching and learning methods used in many programming courses have changed little over the years. The literature indicates the importance of reduci
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Books on the topic "Complex form parts"

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Stan, Allen, and Morphosis Architects, eds. Combinatory urbanism: The complex behavior of collective form. Stray Dog Café, 2011.

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Stéphanie, Quantin, and Potton Jean-François 1951-, eds. Le palais Cambon. Documentation française, 2012.

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Ivanov, Anatoliy. Flexible modular assembly lines on a single structural basis. INFRA-M Academic Publishing LLC., 2022. http://dx.doi.org/10.12737/1196558.

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The textbook discusses topical issues of automating the assembly of an extensive range of machine and instrument-making products based on highly efficient robotic reconfigurable systems of a new generation built on a single structural basis. The possibility of fast organization of automated assembly of new types of products, which is provided by the presence of a flexible basic set as part of the complex (line), is shown. A complete set of original technical means for basic and service operations of assembly and control of products is described. Analytical conditions of automatic assembly are
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Pogonin, Anatoliy, Ivan Shrubchenko, and Aleksandr Afanas'ev. Development of technological processes in mechanical engineering. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1816759.

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The textbook provides the main stages, sequence and general methodology for the development of technological processes of mechanical processing of parts and assembly of mechanical engineering products. In the main sections, after the presentation of the elements of the theory, students are assigned project tasks. Many sections are accompanied by examples of their specific implementation.&#x0D; It is compiled to help students of engineering specialties of full - time and part-time education, mastering the methodology of technological design and performing course and diploma projects and works.
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Baholdina, Irina, and Nina Golysheva. Accounting and financial accounting. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1121598.

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The textbook consists of 15 chapters, as well as a set of practical (situational) cases for independent work of students of economic universities and faculties.&#x0D; Each chapter contains methodological guidelines for practical classes and situational tasks that allow integrating the knowledge gained in the process of studying financial accounting. The final part of the textbook contains a cross-cutting task, the solution of which allows the student to complete an internship as an accountant at a conditional enterprise. The complex of practical (situational) cases for students ' independent w
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Goc, Aleksandr. Dynamics of engines. Course design. INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1055672.

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Brief data from theory in the discipline "Theory of engines" and the order of execution of the course project. In a compact form the basic formulas and clarifications for the implementation of the relevant parts of the course project. As an example, the calculation-explanatory note and drawings done by a student course project review.&#x0D; Meets the requirements of Federal state educational standards of higher education of the last generation.&#x0D; Intended for students of day and correspondence forms of training areas of training 13.03.03 power mechanical engineering and 23.03.03 "Exploitat
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Kramarov, Sergey, Ol'ga Mityasova, Igor' Temkin, and Vladimir Khramov. Objects' identification in geospatial sociotechnical systems. Publishing Center RIOR, 2024. http://dx.doi.org/10.29039/02146-0.

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The monograph is devoted to the identification issues discussion on example of mining facilities (quarries). Information sources, as well as the results of research on the processing of objects’ digital satellite images are considered in the monograph in detail. In addition, the description of the railway identification model and its software implementation for its using in the mining and transport complex are given. The specific developments of technical solutions, which were obtained within working process under the study, are shown at the monograph’s final part. The monograph is intended fo
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Mamontov, Vladimir. Soil chemistry: a practical course. INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1079438.

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The textbook describes methods for analyzing the elemental composition of the mineral part of soils, ways to express the results of gross analysis and recalculation of analytical data. Methods for studying the ion-salt complex of soils and available forms of plant nutrition elements, as well as methods used to determine the total humus and nitrogen, group and fractional composition of humus, and methods for studying some properties of humic acids are presented. The use of gross analysis data, the results of studying the ion-salt complex and soil organic matter for practical purposes is conside
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Davidson, Judith. Complex Research Teams on the Rise. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190648138.003.0002.

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The first part of this chapter examines the research literature in two important areas: the reasons behind the rise in complex teams in qualitative research, and concurrently, the significant discussions emerging about writing among qualitative researchers. As the reader will discover, these two issues are linked in significant ways. The second part of the chapter provides a foundational discussion on qualitative research (definitions, principles, and forms of data) that will anchor the novice reader and provide important background for the expert reader. This text takes a problem-based approa
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Michael, Moser, and Bao Chiann. 10 Complex Arbitrations (Articles 27–29). Oxford University Press, 2017. http://dx.doi.org/10.1093/law/9780198712251.003.0010.

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This chapter considers three of HKIAC’s mechanisms for dealing with complex arbitrations: the joinder of additional parties, the consolidation of two or more arbitrations, and the commencement of a single arbitration under multiple contracts. It emphasizes the need for institutional rules to include mechanisms for administering multi-party and multi-contract cases. Indeed, the desire to streamline procedure in multi-party/multi-contract situations was recognized as a priority during the revisions to the 2008 HKIAC Rules. HKIAC was keen to ensure that it had appropriate powers to supervise and
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Book chapters on the topic "Complex form parts"

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Sweet, Ryan. "“Losing a Leg to Gain a Wife”: Marriage, Gender, and the Prosthetic Body Part." In Prosthetic Body Parts in Nineteenth-Century Literature and Culture. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78589-5_5.

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AbstractThis chapter traces representations of male and female prosthesis users in the marriage plot, the nineteenth-century narrative form most heavily populated by users of prosthetic devices. Building on the work of scholars such as Martha Stoddard Holmes and Talia Schaffer, who expose the important roles that disabled characters perform in Victorian marriage plots, this chapter identifies the prosthesis-marriage plot as a related yet separately identifiable formulaic plot structure. As the chapter argues, when viewed collectively, and at times also individually, prosthesis-marriage plots p
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Malyani, Youssef, Myriam Orquéra, and Dominique Millet. "State of the Art on Robust Design Methods for Additive Manufacturing." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70566-4_14.

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AbstractAdditive Manufacturing (AM) technologies allow to produce functional parts with complex geometries that cannot be manufactured by conventional processes. However, the complexity of the product is increased and causes new constraints in the manufacturing process. Therefore, these new processes lead particularly to new needs in design methods. The objective of this paper is to explore and form an overall view of design methods, especially, robust design (RD) methods. Robust design is defined here as a methodology that enables to design a product with optimal performances and insensitivit
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Schlag, Mareike, Kai Brune, Hauke Brüning, et al. "Extended Non-destructive Testing for Surface Quality Assessment." In Adhesive Bonding of Aircraft Composite Structures. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-92810-4_3.

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AbstractThis chapter introduces various extended non-destructive testing (ENDT) techniques for surface quality assessment, which are first characterized, then enhanced, and finally applied to assess the level of pre-bond contaminations intentionally applied to carbon fiber reinforced plastic (CFRP) adherends following the procedures described in the previous chapter. Based on two user cases comprising different scenarios that are characteristic of either aeronautical production or repair, the detailed tests conducted on two types of sample geometry, namely flat coupons and scarfed pilot sample
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Garrett, Steven L. "Comfort for the Computationally Crippled." In Understanding Acoustics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44787-8_1.

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Abstract The difference between engineering and science, and all other human activity, is the fact that engineers and scientists make quantitative predictions about measurable outcomes and can specify their uncertainty in such predictions. Because those predictions are quantitative, they must employ mathematics. This chapter is intended as review of some of the more useful mathematical concepts, strategies, and techniques that are employed in the description of vibrational and acoustical systems and in the calculation of their behavior. Topics in this review include techniques such as Taylor s
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Uhlmann, Eckart, Robert Bolz, Mitchel Polte, and Luiz Schweitzer. "Reducing Waste in Liquid Silicone Rubber Process Chains by New Injection Mould Process Chain." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-93891-7_47.

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Abstract The number of components made of liquid silicon rubber (LSR) is following a global increasing trend. Due to the low viscosity, the different LSR types are suitable for injection moulding, as they can reproduce even the most complex structures. However, the low viscosity of LSR results in challenges regarding the manufacturing of the injection moulds. LSR injection mould manufacturers operate with highest effort to produce perfectly fitting mould inserts. In case of a perfect sealing, a venting of the cavities is limited, leading to defects in the moulded parts and consequently to an i
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Lie, J. T. "Pulmonary Tuberous Sclerosis." In Tuberous Sclerosis Complex. Oxford University PressNew York, NY, 1999. http://dx.doi.org/10.1093/oso/9780195122107.003.0014.

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Abstract Desire-Magloire Bourneville (1840-1909), a noted French physician, gave the first detailed description of the clinical syndrome of tuberous sclerosis in 1880. Just over 50 years later, virtually all the pathologic lesions currently considered as parts of the tuberous sclerosis complex (TSC) had been observed and were summarized in tabular form by Van der Hoeve in 1933. In either the classic or the forme fruste type of TSC, a constellation of hamartomatous and/or neoplastic lesions occurs in almost every organ sys tem of the body, including the brain, eyes, heart, lungs, kidneys, diges
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Priestley, H. A. "The Laplace transform." In Introduction to Complex Analysis. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198525615.003.0021.

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Abstract On one level, integral transforms provide a versatile and systematic method for solving equations; on another, they form the starting point for a rich theory having connections with many important branches of pure and applied mathematics. This chapter and the following one treat the rudiments of the theory and applications of the best-known and most useful integral transforms: the Laplace transform and the Fourier transform. As explained in the preface, the emphasis is on the part complex analysis plays. Readers who want to concentrate on methods, taking on trust the theory which unde
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Satz, Helmut. "Conclusion." In More than the Sum of the Parts. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780192864178.003.0016.

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Abstract We summarize the different instances of complex behavior studied, noting that the crucial feature is a new form of global behavior for many-body systems. They provide a variety of cases which can only be understood as showing that the whole is more than the sum of the parts.
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Charles, David. "Matter and Form: Unity, Persistence, and Identity." In Unity, Identity, and Explanation in Aristotle’s Metaphysics. Oxford University PressOxford, 1994. http://dx.doi.org/10.1093/oso/9780198240679.003.0005.

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Abstract In this paper, I shall contrast two ways to interpret the relations between matter and form, potentiality and actuality in parts of Aristotle’s Metaphysics Z, H, and θ. I shall not argue that either of these approaches successfully resolves all the problems raised by Aristotle’s intricate discussion. Nor do I believe that together, at least in the formulations I shall consider, they exhaust all the relevant exegetical possibilities. My aim is simply to examine the distinctive ways in which they analyse some controversial texts and problematic issues in this complex and disputed area.
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Rodman, Leiba. "Invariant subspaces and Jordan form." In Topics in Quaternion Linear Algebra. Princeton University Press, 2014. http://dx.doi.org/10.23943/princeton/9780691161853.003.0005.

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This chapter starts by introducing the notion of root subspaces for quaternion matrices. These are basic invariant subspaces, and the chapter proves in particular that they enjoy the Lipschitz property with respect to perturbations of the matrix. Another important class of invariant subspaces are the one-dimensional ones, i.e., generated by eigenvectors. Existence of quaternion eigenvalues and eigenvectors is proved, which leads to the Schur triangularization theorem (in the context of quaternion matrices) and its many consequences familiar for real and complex matrices. Jordan canonical form
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Conference papers on the topic "Complex form parts"

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Sullivan, James, Christopher Howe, and Jinkyu Choi. "Cold Spray Processing and Repair Design for Helicopter Components." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12218.

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The cold spray process is currently being utilized to repair metallic production and field-returned helicopter components. The process is a low, solid-state temperature deposition technology in which fine metallic powder particles are injected into a supersonic velocity gas stream to produce a dense deposit by impact onto the substrate surface. The non-melted metallic particles form cold welded bonds with metal substrates, and additional spray passes can achieve deposition layers up to a few inches in thickness. As a result, the cold spray process can be used to repair and rebuild features on
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Milvovzorov, O. V., and N. V. Gribov. "On the Creation of 3D Mini-CAD System Based on Unified 3D Modeling Software Systems." In 32nd International Conference on Computer Graphics and Vision. Keldysh Institute of Applied Mathematics, 2022. http://dx.doi.org/10.20948/graphicon-2022-1039-1049.

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We are considering the development of highly specialized 3D modeling mini-CAD 3D system based on the domestic software complex of three-dimensional solid modeling T-Flex CAD 3D. Parametric CAD systems create libraries of standard parts, particularly fastening parts, based on a single base 3D model of such a part. However, the issues of using such systems to form 3D models of complex parts that provide semi-automatic formation of parametric 3D models of specific versions for groups of structurally similar parts have not been worked out. You will learn how to create complex parts, how to formali
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Kataria, Alok, and David W. Rosen. "Building Around Inserts: Methods for Fabricating Complex Devices in Stereolithography." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/mech-14206.

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Abstract One of the most common Rapid Prototyping (RP) technologies, the stereolithography apparatus (SLA) fabricates 3-dimensional parts using a layer-based, additive fabrication process by tracing part cross-sections on the top surface of a vat of liquid photopolymer. Typically, usage of the SLA process has been limited to piece parts. We are interested in greatly expanding the application of SLA and other RP technologies by fabricating assemblies of parts as working mechanisms or static, complex structures which we call “live” or “smart” models. To accomplish this, we are investigating meth
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Prous, N. G., M. S. Egorov, and V. V. Sukhomlinova. "NITROGEN AND CARBON SATURATION KINETICS OF POWDERED MATERIALS OBTAINED BY HOT STAMPING IN THE PRODUCTION OF COMPLEX FORM PARTS." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS Volume 2. DSTU-Print, 2020. http://dx.doi.org/10.23947/interagro.2020.2.376-379.

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The processes occurring at saturation of the surface with various elannotation The paper deals with issues related to the kinetics of saturation of high-density powder materials obtained by hot stamping (GS). The effect of surface treatment, temperature and time of saturation of the surface of highdensity powder materials with nitrogen and carbon is investigated. The graphs of the influence of these factors are given. The structures of the diffusion layer and the effect of the surface features of high-density powder materials on saturation with nitrogen and carbon are described. Comparative st
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Galel, Zev, James L. Hunt, and Thomas H. Unger. "Laser Guidance for Repairing Gas Turbine Parts." In ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/94-gt-006.

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As a result of normal operating conditions, jet engine parts tend to distort. During repair, many of these parts require some form of selective cutting. Due to the differences between each individual part, automation such as CNC machining becomes complex. The need to map each individual part prior to machining has prohibited repair facilities from introducing sophisticated automation. This paper presents for the first time a novel method that addresses many problems related to selective material removal in Jet Engine repairs. Similar to a terrain-following cruise missile, a laser guided cutter
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Deshmukh, Mansi, Vikas Jain, Swapnali Misal, and Lokesh Paliwal. "Microstructural Characterization of Aluminium Alloys Used in Automotive Body Parts." In 11th SAEINDIA International Mobility Conference (SIIMC 2024). SAE International, 2024. https://doi.org/10.4271/2024-28-0157.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;To meet light-weighting and safety target of automotive vehicles, different Aluminium alloys are used in various body parts. Apart from conventional manufacturing process of gravity die casting (GDC), advanced manufacturing process such as low pressure die casting (LPDC), high pressure die casting (HPDC) and extrusion processes are also used to form complex automotive body parts. Steel parts are majorly used in automotive applications across world. However, steel has limitations with respect to light-weighting. To achiev
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Crawford, R. H., J. W. Barlow, J. J. Beaman, and D. L. Bourell. "Replacement of Biological Parts Using Solid Freeform Fabrication Technologies." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0331.

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Abstract The use of Solid Freeform Fabrication (SFF) for creating models and visual prototypes of products is gaining rapid acceptance in industry as an aid to decreasing time-to-market while increasing product quality. The strengths of these processes include rapid turnaround time and the ability to create parts of almost unlimited shape complexity. Research in these technologies has now turned to searching for new processes and material systems that will allow the creation of functional parts. One promising area of application is fabrication of replacement biological parts. SFF technologies
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Michopoulos, John G., John C. Steuben, and Athanasios P. Iliopoulos. "Differential Performance Signature Qualification for Additively Manufactured Parts." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85985.

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Additive Manufacturing (AM) technologies and associated processes, enable successive accretion of material to a domain, and permit manufacturing of highly complex objects which would otherwise be unrealizable. However, the material micro- and meso-structures generated by AM processes can differ remarkably from those arising from conventional manufacturing (CM) methods. Often, a consequence of this fact is the sub-standard functional performance of the produced parts that can limit the use of AM in some applications. In the present work, we propose a rapid functional qualification methodology f
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Chen, Pengyuan, Shun Liu, Sun Jin, and Qunfei Gu. "Geometric Modeling and Characterization of Wall Thickness for Complex Cylindrical Thin-Walled Parts With Uncertain Manufacturing Deviations." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-73185.

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Abstract The complex cylindrical thin-walled parts have been widely used in manufacturing field with high precision requirement of wall thickness. However, due to the existence of initial uncertain manufacturing deviations, such as blank casting errors, initial shape deviations and clamping deformations, there will be a large geometric deviation between real blank workpiece and theoretical design model. In order to solve the problem in lacking of reliable geometrical model for trajectory planning in face milling of complex cylindrical thin-walled parts, this paper proposes a method for accurat
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Shetty, Devdas, and Daniel Ly. "Additive Manufacturing: Exploration of Porosity and Form Features Using Layer by Layer Deposition." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88277.

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Aerospace companies use high-strength metal alloys like Inconel or Titanium which could be very difficult to fabricate using conventional methods. The current manufacturing techniques result in significant waste. Additive Manufacturing (AM), in its current state is not sufficiently understood, nor characterized such that conventional design practices and process qualification methodologies can be used. In addition, AM cannot be considered for the manufacture of aircraft components unless the process is stable and controlled. The mechanical properties of fabricated parts require to be character
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Reports on the topic "Complex form parts"

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Balandina, Nadiya. STRUCTURE OF MEDIAENVIRONMENT THROUGH THE PRISM OF LEXICAL INNOVATIONS. Ivan Franko National University of Lviv, 2024. http://dx.doi.org/10.30970/vjo.2024.54-55.12167.

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Using theoretical and empirical methods, this paper proves that the modern mediaenvironment is a complex configuration made by the material and the virtual components and is reflected in the language in various ways. Innovative lexis with the component media and its systematization has become the key to understanding the mediareality, in particular, detecting the constituent elements of the structure of the mediatized environment. In total, 455 lexemes chosen from the Ukrainian dictionaries, academic publications, and the results provided by Google search engine have been analyzed. The systema
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Ovalle, Samuel, E. Viamontes, and Tony Thomas. Optimization of DLP 3D Printed Ceramic Parts. Florida International University, 2021. http://dx.doi.org/10.25148/mmeurs.009776.

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Digital Light Processing (DLP) 3D printing allows for the creation of parts with advanced engineering materials and geometries difficult to produce through conventional manufacturing techniques. Photosensitive resin monomers are activated with a UV-producing LCD screen to polymerize, layer by layer, forming the desired part. With the right mixture of photosensitive resin and advanced engineering powder material, useful engineering-grade parts can be produced. The Bison 1000 is a research-grade DLP printer that permits the user to change many parameters, in order to discover an optimal method f
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Vintinner, Erin. How the West was Watered: A Case Study of the Colorado River. American Museum of Natural History, 2014. http://dx.doi.org/10.5531/cbc.ncep.0096.

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This case study is divided into two parts to explore the Colorado River and the tradeoffs involved in managing the river. In Part I, background information on the river basin is presented within the social, political, and environmental context of the system’s complex management framework. In Part II, the class is tasked with completing a brief stakeholder analysis for the river that allows them to explore the tradeoffs involved in managing the Colorado River. Finally, students are asked to use their understanding of the river and its stakeholders to explore how the West will be watered.
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Anderson, Zachary W., Adam P. McKean, and W. Adolph Yonkee. Interim geologic map of the Fort Douglas quadrangle, Salt Lake, Davis, and Morgan Counties, Utah. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/ofr-767.

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The Fort Douglas quadrangle (Plate 1) is in Salt Lake, Davis, and Morgan Counties of northern Utah and covers part of Salt Lake Valley and rugged peaks and canyons of the central Wasatch Range, including the Sessions Mountains. This area straddles the Basin and Range and Middle Rocky Mountains Physiographic Provinces. Parts of the cities of North Salt Lake and Bountiful are in the northwest corner of the quadrangle. The southwest corner covers the northeast part of Utah’s capital, Salt Lake City, including parts of downtown, the Avenues Historic District neighborhood, and the University of Uta
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KellerLynn, Katie. Redwood National and State Parks: Geologic resources inventory report. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2287676.

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Comprehensive park management to fulfill the NPS mission requires an accurate inventory of the geologic features of a park unit, but Comprehensive park management to fulfill the NPS mission requires an accurate inventory of the geologic features of a park unit, but park managers may not have the needed information, geologic expertise, or means to complete such an undertaking; therefore, the Geologic Resources Inventory (GRI) provides information and resources to help park managers make decisions for visitor safety, planning and protection of infrastructure, and preservation of natural and cult
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Wilson, D., Vladimir Ostashev, and Chris Pettit. Distribution of the two-point product of complex amplitudes in the fully saturated scattering regime. Engineer Research and Development Center (U.S.), 2020. http://dx.doi.org/10.21079/11681/38701.

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This Letter considers probability density functions (pdfs) involving products of the complex amplitudes observed at two points (which may, in general, involve separations in space, time, or frequency) in conditions of fully saturated scattering. First, the pdf is derived for the product of the complex amplitude at one point with the conjugate of the complex amplitude at another point. It is shown that the real and imaginary parts of this product each have a variance gamma pdf. Second, expressions are derived for several joint pdfs involving complex amplitude products and powers at two points.
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Webb, Philip. Unsettled Issues on the Viability and Cost-Effectiveness of Automation in Aerospace Manufacturing. SAE International, 2021. http://dx.doi.org/10.4271/epr2021005.

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The aerospace manufacturing industry is, in many ways, one of the most sophisticated commercial manufacturing systems in existence. It uses cutting-edge materials to build highly complex, safety-critical structures and parts. However, it still relies largely upon human skill and dexterity during assembly. There are increasing efforts to introduce automation, but uptake is still relatively low. Why is this and what needs to be done? Some may point to part size or the need for accuracy. However, as with any complex issue, the problems are multifactorial. There are no right or wrong answers to th
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Matte, S., M. Constantin, and R. Stevenson. Mineralogical and geochemical characterisation of the Kipawa syenite complex, Quebec: implications for rare-earth element deposits. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329212.

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The Kipawa rare-earth element (REE) deposit is located in the Parautochton zone of the Grenville Province 55 km south of the boundary with the Superior Province. The deposit is part of the Kipawa syenite complex of peralkaline syenites, gneisses, and amphibolites that are intercalated with calc-silicate rocks and marbles overlain by a peralkaline gneissic granite. The REE deposit is principally composed of eudialyte, mosandrite and britholite, and less abundant minerals such as xenotime, monazite or euxenite. The Kipawa Complex outcrops as a series of thin, folded sheet imbricates located betw
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Divin, C., J. A. Cuadra, and A. Townsend. Investigation of Computational Corrections to X-Ray Computed Tomography for Dimensional Metrology of Complex Additively Manufactured Parts. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1574629.

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Rice, J., R. C. Paulen, M. Ross, M. B. McClenaghan, and H. E. Campbell. Quaternary geology of the southern Core Zone area, Quebec and Newfoundland and Labrador. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331426.

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The complex glacial geomorphology of east-central Quebec and western Labrador has resulted in conflicting ice-sheet reconstructions, leaving many questions regarding the behaviour of large ice sheets within their inner regions. Specifically, the ice-flow chronology and subglacial conditions remainpoorly constrained. To address this, surficial geology investigations were conducted across the border of Quebec and Labrador. A complex glacial history consisting of five ice-flow phases influenced by regional ice-stream dynamics was identified, including a near-complete ice-flow reversal. During eac
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