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Thèses sur le sujet « Derricks »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 29 juillet 2024

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1

Sorensen, Khalid Lief. "A Combined Feedback and Command Shaping Controller for Improving Positioning and Reducing Cable Sway in Cranes." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/6853.

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Bridge and gantry cranes are crucially important elements in the industrial complex; they are used in many areas such as shipping, building construction, steel mills, and nuclear facilities, just to name a few. These types of systems tend to be highly flexible in nature, generally responding to commanded motion with oscillations of the payload and hook. The response of these systems to external disturbances, such as wind, is also oscillatory in nature. Often, the oscillations of the hook and payload have undesirable consequences. For instance, precise manipulation of payloads is difficult wh

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Vaughan, Joshua Eric. "Dynamics and control of mobile cranes." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24736.

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Thesis (Ph.D.)--Mechanical Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: William Singhose; Committee Member: John-Paul Clarke; Committee Member: Kok-Meng Lee; Committee Member: Patricio Vela; Committee Member: Rhett Mayor.

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3

Peng, Chen Chih. "Interfaces and control systems for intuitive crane control." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31782.

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Thesis (M. S.)--Mechanical Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Singhose, William; Committee Member: Sadegh, Nader; Committee Member: Ueda, Jun. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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4

Ramesh, Periyakulam S. "Experimental design and results of 2D dynamic damping of payload motion for cranes." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-07102009-040346/.

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5

Manning, Raymond Charles. "Improving the control of two-mode flexible systems with input shaping." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22566.

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6

Shang, Jin. "Solution techniques for a crane sequencing problem." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4539.

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Thesis (Ph. D.)--West Virginia University, 2006.<br>Title from document title page. Document formatted into pages; contains viii, 99 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 93-99).

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7

張大任 and Tai-yam Cheung. "Evolutionary design of fuzzy-logic controllers for overhead cranes." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31243010.

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Cheung, Tai-yam. "Evolutionary design of fuzzy-logic controllers for overhead cranes /." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23636543.

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9

Ruddy, Thomas A. "Anti-sway control of a construction crane modeled as a two-dimensional pendulum." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12302008-063756/.

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10

Rauch, Andreas. "Stability analysis of mobile boom cranes." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26535.

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Thesis (M. S.)--Mechanical Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: William Singhose; Committee Member: Nader Sadegh; Committee Member: Wayne J. Book. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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11

Chui, Yun Chuen. "Coordinated scheduling with two automatic stacking cranes in a container block /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?IELM%202009%20CHUI.

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12

Hernandez, Eileen Cynthia. "Dynamic characterization and analysis of aerial lifts." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45944.

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Aerial lifts are used to elevate people and material to high heights. There are many different types of aerial lifts which have vastly different dynamics characteristics. Thus, a new categorization for aerial lifts was created and organizes them by their kinematics. Many accidents occur while using aerial lifts. Hazards of aerial lifts and current solutions to those hazards were reviewed to understand the causes of the accidents. Some major accidents are due to the complex dynamics and flexibility of aerial lifts, such as oscillations and tip-overs. Oscillations of full-size aerial lifts were

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13

Huey, John. "Dynamics and vibration control of large area manipulators." Thesis, Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/16469.

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14

Wang, Lei. "Quay crane scheduling at container terminals : reducing the maximum tardiness of vessel departures /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?IEEM%202003%20WANGL.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 40-42). Also available in electronic version. Access restricted to campus users.

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15

Ak, Aykagan. "Berth and quay crane scheduling problems, models and solution methods /." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26652.

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Thesis (Ph.D)--Industrial and Systems Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Erera, Alan L.; Committee Member: Ergun, Ozlem; Committee Member: Savelsbergh, Martin; Committee Member: Tetali, Prasad; Committee Member: White III, Chelsea C.. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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16

Maleki, Ehsan A. "Dynamics and control of a small-scale mobile boom crane." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37166.

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Boom cranes are one of the most dynamically complicated types of cranes because they possess rotational joints as opposed to the linear tracks of bridge and gantry cranes. In addition, if the boom crane is placed on a mobile base, additional complexity is added to the system. However, mobile boom cranes have huge potential benefits as they can be quickly transported from one location to another. Furthermore, if they utilize their mobile base during lifting operations, then they can have an extremely large workspace. All cranes share the same limiting weakness; the payload oscillates when the c

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17

Tsang, Wan-sze, and 曾韻詩. "Genetic algorithm for scheduling yard cranes in port container terminals." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B29544609.

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18

Fujioka, Daichi. "Tip-over stability analysis for mobile boom cranes with single- and double-pendulum payloads." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37162.

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This thesis investigated a tip-over stability of mobile boom cranes with swinging payloads. Base and crane motion presents a tip-over problem. Attaching complex payloads further complicates the problem. They study began with a single-pendulum payload to analyze a tip-over stability characteristics under different conditions. A simple tip-over prediction model was developed with a goal of limiting a computational cost to a minimum. The stability was characterized by a tip-over stability margin method. The crane's tip-over stability was also represented by the maximum possible payload it can car

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19

Wen, Charlie Hsiao Kuang. "Heuristic approaches for crane scheduling in ship building." Master's thesis, Mississippi State : Mississippi State University, 2008. http://library.msstate.edu/etd/show.asp?etd=etd-07012008-141639.

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20

Lawrence, Jason William. "Crane Oscillation Control: Nonlinear Elements and Educational Improvements." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-07072006-175615/.

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Thesis (Ph. D.)--Mechanical Engineering, Georgia Institute of Technology, 2007.<br>William Singhose, Committee Chair ; Steven Danyluk, Committee Member ; Donna Llewellyn, Committee Member ; Nader Sadegh, Committee Member ; Neil Singer, Committee Member.

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21

Danielson, Jon David. "Mobile boom cranes and advanced input shaping control." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24651.

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22

Jacobs, Laura Diane. "Shake table experiments for the determination of the seismic response of jumbo container cranes." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37200.

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Container cranes represent one of the most critical components of ports worldwide. Despite their importance to port operations, the seismic behavior of cranes has been largely ignored. Since the 1960s, industry experts have recommended allowing cranes to uplift, believing that it would limit the amount of seismic loading. However, modern cranes have become larger and more stable, and the industry experts are now questioning the seismic performance of modern jumbo cranes. The main goal of this research was to experimentally investigate the seismic behavior of container cranes from the gener

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23

Maleki, Ehsan A. "Control of human-operated machinery with flexible dynamics." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50305.

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Heavy-lifting machines such as cranes are widely used at ports, construction sites, and manufacturing plants in a variety of material-transporting applications. However, cranes possess inherent flexible dynamics that make fast and precise operation challenging. Most cranes are driven by human operators, which adds another element of complexity. The goal of this thesis is to develop controllers that allow human operators to easily and efficiently control machines with flexible dynamics. To improve the ease of human operation of these machines, various control structures are developed and their

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24

Peng, Chen-Chih. "Methods for improving crane performance and ease of use." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50343.

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Cranes are widely used in material-handling and transportation applications, e.g. in shipyards, construction sites, and warehouses. As they are critical to the economic vitality of modern-day industries, improving crane performance and ease of use are important contributors to industrial productivity, low production costs, and workplace safety. In a typical crane operation, a payload is lifted, moved to its destination, and then lowered into place. This dissertation aims to improve crane performance and reduce task difficulty for the human operator in the movements mentioned above, namely: 1)

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25

Pizarro, David Victor. "Pulse rate, pulse pattern, and onset distance effects on subject braking responses while using an auditory collision warning signal." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/40655.

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Kosbab, Benjamin David. "Seismic performance evaluation of port container cranes allowed to uplift." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/33921.

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The seismic behavior of port container cranes has been largely ignored-by owners, operators, engineers, and code officials alike. This is despite their importance to daily port operations, where historical evidence suggests that port operational downtime following a seismic event can have a crippling effect on the affected local, regional, and national economies. Because the replacement time in the event of crane collapse can be a year or more, crane collapse has the potential to be the "critical path" for post-disaster port recovery. Since the 1960's, crane designers allowed and encouraged

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Sorensen, Khalid Lief. "Operational Performance Enhancement of Human Operated Flexible Systems." Diss., Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24773.

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Recent decades have been witness to explosive leaps in manufacturing productivity. Advances in communication technology, computing speed, control theory, and sensing technology have been significant contributors toward the increased productivity and efficiency that industry has exhibited. The continued growth of technological equipment and engineering knowledge challenges engineers to fully utilize these advancements in more sophisticated and useful automation systems. One such application involves enhancing bridge and gantry crane operation. These systems are used throughout the globe, and a

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28

Schmidt, Aubrey-Derrick Verfasser], and Sahin [Akademischer Betreuer] [Albayrak. "Detection of Smartphone Malware / Aubrey-Derrick Schmidt. Betreuer: Sahin Albayrak." Berlin : Universitätsbibliothek der Technischen Universität Berlin, 2011. http://d-nb.info/1014946328/34.

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29

Mashau, Thinandavha Derrick. "Towards a strategy for poverty alleviation in Mashau / Thinandavha Derrick Mashau." Thesis, North-West University, 2006. http://hdl.handle.net/10394/949.

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The main aim of this study is to investigate the poverty situation and outline a strategy for poverty alleviation in the rural area of Mashau. Mashau is one of the villages in the Limpopo province of South Africa and it forms part of the 70% of the country's most poor people who are in the rural areas. Chapter 1 of this study presupposed by way of a central theoretical argument that community based job creation projects that ensure the participation of all stakeholders, community members, government, traditional leaders, non-government and faith-based organizations and business people, can be

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Pokharel, Rajib. "Structural Optimization of Offset Derrick Structure and Channel Endplate Connections Study." Thesis, University of Louisiana at Lafayette, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10002396.

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<p> This study is intended to focus on the optimization of offset derrick structures and to present a novel connection details for derrick structures. The overall goal of this study is to improve performance, ease fabrication, and reduce material and labor costs associated with derrick structures, and study the performances of Double Channel Endplate and Single Channel Endplate Connections using Finite Element Method (FEM) analysis. </p><p> Optimization of derrick structure is carried out by modeling different bracing systems with different parameters of design, for example, vertical panel h

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31

Mehta, Urmish R. "Optimal control of a high speed overhead crane including hoisting." Ohio : Ohio University, 1992. http://www.ohiolink.edu/etd/view.cgi?ohiou1172863064.

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32

Hecker, Achim. "Übergänge Metaphysikkritik auf den Spuren Heideggers und Derridas /." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963843885.

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33

Gasslander, Åke. "Att uttrycka det otänkbara : Jacques Derridas farmakon som argument." Thesis, Uppsala universitet, Litteraturvetenskapliga institutionen, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-385268.

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I den här uppsatsen ämnar jag att undersöka retoriken i ordet farmakon så som det behandlats av Jacques Derrida. Genom en nära läsning av Derridas texter identifieras farmakon först som ett ogripbart koncept och sedan som en typ av paradox. Funktionen av denna paradox beskrivs först ur en derrideansk kontext och senare i en mer klassisk retorisk sådan. I den här uppsatsen visas farmakon fungera som något som låter oss inse tänkandets gränser, samtidigt som vi ges en förklaring på vad som utgör dessa gränser. Farmakon visas också förlänas en större retorisk effekt på grund av Derridas dubbla lä

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Debnath, Rakhi. "Revisiting the tale of Jacques Derridas deconstruction: critical study." Thesis, University of North Bengal, 2019. http://ir.nbu.ac.in/handle/123456789/3649.

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35

Nolan, Derrick. "Implementing a competing limit increase challenger strategy to a retail - banking segment / Derrick Nolan." Thesis, North-West University, 2008. http://hdl.handle.net/10394/2859.

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Today, many financial institutions extending credit rely on automated credit scorecard decision engines to drive credit strategies that are used to allocate (application scoring) and manage (behavioural scoring) credit limits. The accuracy and predictive power of these models are meticulously monitored, to ensure that they deliver the required separation between good (non-delinquent) accounts and bad (delinquent) accounts. The strategies associated to the scores (champion strategies) produced using the scorecards, are monitored on a quarterly basis (minimum), ensuring that the limit allocated

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36

Potter, James Jackson. "Input-shaped manual control of helicopters with suspended loads." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50342.

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A helicopter can be used to transport a load hanging from a suspension cable. This technique is frequently used in construction, firefighting, and disaster relief operations, among other applications. Unfortunately, the suspended load swings, which makes load positioning difficult and can degrade control of the helicopter. This dissertation investigates the use of input shaping (a command-filtering technique for reducing vibration) to mitigate the load swing problem. The investigation is conducted using two different, but complementary, approaches. One approach studies manual tracking tas

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37

Peter, Martin G., Abiy Yenesew, Hannington Twinomuhwezi, et al. "Antiplasmodial and larvicidal flavonoids from Derris trifoliata." Universität Potsdam, 2009. http://opus.kobv.de/ubp/texte_eingeschraenkt_verlag/2010/4461/.

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From the dichloromethane-methanol (1:1) extract of the seed pods of Derris trifoliata, a new flavanone derivative (S)-lupinifolin 4´-methyl ether was isolated. In addition, the known flavonoids lupinifolin and rotenone were identified. The structures were determined on the basis of spectroscopic evidence. Lupinfolin showed moderate in vitro antiplasmodial activity against the D6 (chloroquine-sensitive) and W2 (chloroquineresistant) strains of Plasmodium falciparum. The different parts of this plant showed larvicidal activities against Aedes aegypti and rotenoids were identified as the active p

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Haaf, Derrick [Verfasser]. "Einfluss des Umrichterbetriebs auf das akustische Verhalten im Gesamtsystem Asynchronmotor-Getriebe / vorgelegt von Derrick Haaf." Aachen : Mainz, 2004. http://d-nb.info/972713174/34.

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39

Stallworth, Stefeni A. "A theoretical framework and application of Derrick Bell's interest-convergence principle an urban public community school /." Cincinnati, Ohio : University of Cincinnati, 2008. http://rave.ohiolink.edu/etdc//view?acc_num=ucin1211568841.

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Thesis (Ph.D.)--University of Cincinnati, 2008.<br>Advisors: Leo Krzywkowski (Committee Chair), Roger Collins PhD (Committee Chair), Mark Gooden PhD (Committee Chair), Patricia O'Reilly PhD (Committee Co-Chair). Title from electronic thesis title page (viewed June 1, 2010). Keywords: Interest-Convergence; Critical Race Theory; Urban Education Reform; Community School; Urban Public Community School Parents. Includes abstract. Includes bibliographical references.

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Stallworth, Stefeni A. "A Theoretical Framework and Application of Derrick Bell’s Interest-Convergence Principle: An Urban Public Community School." University of Cincinnati / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1211568841.

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41

Högberg, Amelia. "Tilltro och kritik inom rätten : en läsning av Jacques Derridas Lagens kraft." Thesis, Södertörns högskola, Filosofi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-33704.

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The aim of this essay is to show how the relationship between credit and critique is important for Jacques Derrida’s deconstruction of law. I will start from Force of Law, in which law, as well as justice, is deconstructed by Derrida. My purpose is further to show how the two concepts, credit and critique, are intertwined in the discourse of law and thereby crucial for Derrida’s deconstruction. As Derrida always states, the rational projects need to have a master concept, which the project revolves around, and this master concept needs at least one other subordinate concept to contrast itself

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42

Mashau, Thinandavha Derrick. "Hugo du Plessis' contribution to the reformed Churches' struggle for a relevant mission and missiology / Thinandavha Derrick Mashau." Thesis, North-West University, 2004. http://hdl.handle.net/10394/417.

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It was the aim of this research to investigate Hugo du Plessis' contribution to the GKSA' struggle for a relevant mission and missiology. It became apparent in the course of the research that Du Plessis contributed in a meaningful way towards the Reformed paradigm for a relevant mission and missiology. In the Dopper churches. Hugo had a great reputation, which is fully justified. He was the first Dopper missionary who stayed in a mission field for a considerable period and who, as a result, could show a church that endured after years. Many people admired him as "our missionary, the expert on

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43

Morel, Sylvie. "Etude phytochimique et évaluation biologique de Derris ferruginea Benth. (Fabaceae)." Phd thesis, Université d'Angers, 2011. http://tel.archives-ouvertes.fr/tel-00671071.

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Les plantes du genre Derris (Fabaceae) sont connues pour contenir des flavonoïdes, en particulier des isoflavonoïdes dont des roténoïdes. Derris ferruginea (Benth.), liane originaire d'Asie, est utilisée traditionnellement comme insecticide, poison de pêche et dans la lutte contre les ectoparasites. L'étude phytochimique d'extraits de tiges et de feuilles de Derris ferruginea a permis d'isoler et de caractériser 14 composés essentiellement de type flavanones et isoflavonoïdes. Ces composés comportent pour la plupart des prénylations. Une évaluation biologique étendue à la fois des extraits et

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Corrêa, Raquel da Silva. "Toxicidade de extratos de timbós (Derris spp.) sobre Tetranychus desertorum (Acari: Tetranychidae) em folhas de pimentão." Universidade Federal do Amazonas, 2011. http://tede.ufam.edu.br/handle/tede/3135.

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Made available in DSpace on 2015-04-20T12:31:53Z (GMT). No. of bitstreams: 1 Raquel da Silva Correa.pdf: 2133386 bytes, checksum: 50c647396bc7dfa86c0445d6a28b0b4e (MD5) Previous issue date: 2011-05-12<br>Fundação de Amparo à Pesquisa do Estado do Amazonas<br>The pepper is a vegetable of great importance socioeconomic in Brazil. Is among the ten most vegetables grown in country. Like most crops, many arthropods pests are associated with that culture, including some species of mites such as Tetranychus desertorum, reported infesting crops in Manaus. In most cases the mites are controlled by

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Weber, Christine. "Philosophien der Differenz zwischen Sprache und Schrift : Affinität und Divergenz im Denken Lyotards und Derridas /." Essen : Die Blaue Eule, 2009. http://d-nb.info/993691625/04.

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Weber, Christine. "Philosophien der Differenz zwischen Sprache und Schrift Affinität und Divergenz im Denken Lyotards und Derridas." Essen Verl. Die Blaue Eule, 2008. http://d-nb.info/993691625/04.

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47

Steinnes, Jenny. "Den andre skoleporten : Om institusjonalisering av den pedagogiske handling, et møte med Jacques Derridas språkkritiske perspektiver." Doctoral thesis, Norwegian University of Science and Technology, Department of Education, 2006. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-1804.

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<p>Den grunnleggende problemstillingen i avhandlingen dreier rundt forståelser av språk og begreper der et institusjonaliseringsprinsipp blir forsøkt identifisert og problematisert ut fra Jacques Derridas språkkritiske perspektiver. Begreper som er spesielt behandlet og som er satt i forhold til institusjonaliseringsprinsippet er: sannhetsbegrepet, rettferdighet, demokrati, utvikling/transformasjon, territorium/sted/différance og opprinnelse/forutsetning.</p><p>I avhandlingen blir det konkludert med at en slik problematisering ikke leder fram til at institusjonaliseringsprinsippet blir present

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Curry, Tommy J. "Cast Upon The Shadows: Essays Toward The Culturalogic Turn In Critical Race Theory." OpenSIUC, 2009. https://opensiuc.lib.siu.edu/dissertations/59.

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Unlike many Black-specific disciplines in the academy (Black psychology, Black history, etc), Black philosophy never completely forged a unique conceptual framework separate from American and Continental intellectual traditions. Instead the field has continued to define its validity by the extent that Black authors extend the thought of white philosophers towards race. This epistemic convergence, or the extent to which Black theory converges with established white philosophical traditions, and hence white racial sensibilities, continues to misguide many of the current philosophical systems of

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49

Lawson, Ata Martin. "Etude phytochimique d'une Fabacée tropicale, Lonchocarpus nicou : évaluation biologique préliminaire." Limoges, 2006. https://aurore.unilim.fr/theses/nxfile/default/81766147-569e-4f9d-a925-1b4c6ddcbcee/blobholder:0/2006LIMO300B.pdf.

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Cette thèse s’inscrit dans le cadre de la thématique de l'EA 4021 "Biomolécules et Thérapies Antitumorales". Elle vise essentiellement la recherche de molécules naturelles d’origine végétale, dotées d’une activité antitumorale. Lonchocarpus nicou (Aublet) D. C. Est une liane tropicale de la famille des Fabacées, longtemps utilisée pour ses propriétés insecticide, acaricide et piscicide, attribuées généralement à des roténoïdes prénylés (roténone essentiellement). Ces roténoïdes dérivent biogénétiquement des isoflavonoïdes connus depuis longtemps pour leur activité estrogénique. Cela explique l

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LÔBO, Lívia Trindade. "Investigação de metabólitos secundários de folhas de Derris urucu (Killip et Smith) Macbr. com atividades biológicas." Universidade Federal do Pará, 2009. http://repositorio.ufpa.br/jspui/handle/2011/4049.

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