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Dissertations / Theses on the topic 'Devils claw'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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1

Lavelle, Jessica-Jane. "Digging deeper for benefits: rural local governance and the livelihood and sustainability outcomes of devils claw (Harpagophytum spp.) harvesting in the Zambezi Region, Namibia." Doctoral thesis, Faculty of Science, 2019. https://hdl.handle.net/11427/31696.

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Natural resource governance in Africa is characterised by increased commercialisation of natural resources, the promotion of community-based natural resource management, and a re-appropriation of traditional authorities and customary law as evidenced by their inclusion in statutory frameworks. Yet, knowledge of the interaction and effect of these multiple governance arrangements on local communities is limited. Using the lens of devil’s claw (Harpagophytum spp.), a commercial non-timber forest product, this research examines the interface between statutory, traditional and comanagement governa

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2

Chen, Zhi-jie. "Double-clad rare-earth doped fibre devices." Thesis, University of Southampton, 1997. https://eprints.soton.ac.uk/394562/.

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This thesis reports on the exploitation of the cladding pumping technique to scale the output power of rare-earth (Er3+, Er3+/Yb3+, Yb3+, and Nd3+) doped fibre amplifiers and lasers, and on the study of alternative pumping schemes and applications. In the first three chapters, the introduction of the cladding pumping scheme, its basic fibre geometries and fundamental analyses of double-clad fibres and their devices are presented. Chapter 4 describes an investigation of various Er3+-doped and Yb3+ co-doped fibre devices. An Er3+/Yb3+-doped SM fibre amplifier pumped in the 820 nm band can not on

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3

Cheng, Po Yen. "Context and location aware wireless devices (CLAWD) protocol." Thesis, University of Salford, 2009. http://usir.salford.ac.uk/26613/.

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This thesis presents a proof of concept that context information can be distributed in a heterogenous network environment by employing a network layer protocol, i.e. the CLAWD (Context and Location Aware Wireless Devices) protocol. The inspiration for the protocol was based on the idea that a wireless device should know the location and context of other wireless devices within its local vicinity and across wireless technology. The design of CLAWD protocol utilises a pro-active broadcast approach with generic context information embedded in its Protocol Data Unit (PDU). A CLAWD table for an ind

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4

Clarkson, Cailean. "Isolation and characterisation of two antiplasmodial diterpenes from Harpagophytum procumbens (Devil's Claw) and chemical modification of a related analogue." Doctoral thesis, University of Cape Town, 2002. http://hdl.handle.net/11427/3276.

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5

Anderson, Theodore E. "Simulation and Fabrication of a Formable Surface for the Digital Clay Haptic Device." Thesis, Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14494.

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A formable surface is part of an effort to create a haptic device that allows for a three dimensional human-computer interface called digital clay. As with real clay, digital clay allows a user to physically manipulate the surface into some form or orientation that is sensed and directly represented in a computer model. Furthermore, digital clay will allow a user to change the computer model by manipulating the inputs that are directly represented in the physical model. The digital clay device being researched involves a computer-interfaced array of vertically displacing actuators that is boun

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6

Martin, James Kennedy. "Dragon's Claws the Improvised Explosive Device (IED) as a weapon of strategic influence." Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Mar/09Mar%5FMartin.pdf.

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Thesis (M.S. in Defense Analysis)--Naval Postgraduate School, March 2009.<br>Thesis Advisor(s): McCormick, Gordon. "March 2009." Description based on title screen as viewed on May 6, 2009. Author(s) subject terms: Improvised Explosive Device, IED, Insurgency, Guerrilla Warfare, Counterinsurgency, Strategy, Strategic Influence Includes bibliographical references (p. 87-91). Also available in print.

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7

Srisakthivel, Subramaniam. "Laboratory measurement of the permeability of clay soils assisted by a self-boring device." Thesis, University of Sheffield, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408297.

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Vlack, Yvette A. "A Diffuse Spectral Reflectance Library of Clay Minerals and Clay Mixtures within the VIS/NIR Bands." Kent State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1227006436.

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9

Gray, Brian Robert. "Retention of the harpagoside content in dried Harpagophytum procumbens (Devil's Claw) root through controlled drying and the application of near infrared spectroscopy (NIRS) as rapid method of determination." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53576.

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Thesis (MSc Food Sc )--Stellenbosch University, 2003.<br>ENGLISH ABSTRACT: The effect of drying conditions on the retention of harpagoside, a glucoside iridoid found in the indigenous Southern African plant Harpagophytum procumbens (Devil's Claw), was investigated. Additionally, the feasibility of using near infrared spectroscopy (NIRS) as a rapid and nondestructive analytical tool for the prediction of the iridoids harpagoside (HS), 8-p-coumaroyl harpagide (8pCHG) and moisture contents, as well as the HS:8pCHG ratio in Devil's Claw was also studied. Due to the purported medicinal activ

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10

Ngoo, Cheng Shu. "Admittance and impedance haptic control for realization of digital clay as an effective human machine interface (HMI) device." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31842.

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

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11

Tomba, Diogo Amevi Christine Cerena. "Étude d'un genre de la littérature orale : la devise (kûmbù) chez les Punu du Gabon." Thesis, Sorbonne Paris Cité, 2015. http://www.theses.fr/2015INAL0022/document.

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Cette recherche est axée sur la langue et la littérature orale des Punu du sud du Gabon. Elle explore le champ littéraire punu et plus particulièrement la devise qui n’a que très rarement été étudiée. Définie comme une formule de louange que l’individu déclame pour s’identifier, elle lui permet de se distinguer et d’exprimer sa vision du monde. Cette thèse se divise en cinq chapitres et dresse un essai théorique sur ce genre dans la société. En prenant la notion de performance comme critère définitoire, elle met en évidence les propriétés discursives ainsi que les fonctions de la devise. A cel

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12

Fauziah, Miftahul. "Behaviour of stiff clayey soils using fracture mechanics approach." Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/964.

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Most of the conventional elastic plastic models of soils are based on continuum mechanics, however, for stiff, hard soils and soft rocks discontinuities develop under load, and since the models assume continuity, they would cease to apply. These discontinuities had not been accounted for in the continuum-based elastic plastic models. On the other hand, fracture mechanical theory may be used to advantage to replicate their behaviour. The behaviour of soil commonly is interpreted from conventional triaxial apparatus, whereas, testing of soil using the plane strain device would be more useful inf

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13

Bairu, Michael Wolday. "Characterization and control of micropropagation problems in aloe, devil's claw and banana." Thesis, 2008. http://hdl.handle.net/10413/8315.

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The development of the science of micropropagation from the very initial concept of totipotency to the modern day advancement and sophistication has been affected by a wide range of problems such as hyperhydricity, shoot-tip necrosis and somaclonal variation. These problems are largely the result of the obvious fact of trying to grow plants in an environment that is different from the one plants are used to naturally. The extent of these problems ranges from minor technical inconvenience to significant economic loss. Characterization and control of micropropagation problems has been one of the

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14

Chan, Yu-Zen, and 張又仁. "Photoelectric Character of Polymer/Clay Light-Emitting Devices." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/45003730420640033000.

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碩士<br>輔仁大學<br>化學系<br>92<br>It is well known that the poor resistance against oxygen and moisture limits the potential applications of polymer light-emitting device. It is also known that the polymer/clay nanocomposites possess excellent gas-barrier properties. In 2001, Tae-Woo Lee proved that the photoluminescence output and photostability of MEH-PPV film could be significantly improved by blending MEH-PPV polymer and organoclay. Unfortunately their system could be used only in the polymer matrix without nitrogen atoms. As the polymer matrix contains nitrogen atoms such as PVK, the

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15

Jheng, Dong-Yo, and 鄭東祐. "Glass-clad crystal fiber based broadband photonic devices." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/49179788203221143441.

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博士<br>國立臺灣大學<br>光電工程學研究所<br>103<br>Broadband light sources are the key components in applications such as the high-capacity optical communication and the optical coherence tomography. In this dissertation, broadband photonic devices based on glass-clad fibers with single-crystalline cores were demonstrated. The cores of crystal fibers were grown with the laser-heated pedestal growth (LHPG) method, and then cladded with glass using the co-drawing LHPG process. High-brightness broadband light source was presented with the Pyrex-clad Ce3+:YAG crystal fiber pumped with a blue laser diode. By opt

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16

Jang, Hung-Yu, and 簡弘雨. "Shear Strength of Remolded Clay determined from NGI Direct Simple Shear Device." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/70613993813694841179.

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碩士<br>國立臺灣科技大學<br>營建工程技術學系<br>83<br>A series of simple shear test has been performed on the remolded Taipei silty clay with the Norwegian Geotechnical Institute (NGI) direct simple shear device. Test results indicate that the stress-strain relationship of Taipei silty clay can be normalized with the effective consolidation pressure when tested under different over-consolidation ratios (OCR) and a simple constitutive equation can be adopted to fit the test r

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17

Chen, Ming-yen, and 陳明言. "Near-field Modal Imaging of Cr4+:YAG Double-clad Crystal Fiber Based Active Devices." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/90743043923126254504.

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碩士<br>國立中山大學<br>通訊工程研究所<br>98<br>With the escalating demands for optical communication network system, the need for broadband gain medium in optical communication has increased. Among them, Cr4+:YAG crystal has shown an exceptionally successful broadband amplified spontaneous emission (ASE) light source that fully cover 1.2-1.6 μm range (3-dB bandwidth up to 265 nm). More recently, we demonstrated the realization of a waveguiding, low-loss, and low-threshold Cr4+:YAG double-clad crystal fiber (DCF) based ultra-broadband ASE light source, optical amplifier, and laser grown by the co-drawing las

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18

Saravanan, S. "Moisture Barrier Polymer Nanocomposites for Organic Device Encapsulation." Thesis, 2016. http://etd.iisc.ac.in/handle/2005/3809.

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The advancement in smart technologies for organic conducting polymers as flexible substrates in LEDs, PVs and solid state lighting necessitates the development of ultra-high barrier films to protect the devices from moisture and oxygen. The current encapsulation methodology of using layers of plastics and inorganic oxides has several deficiencies. Alternatively, the use of single layer of polymer nanocomposites is a promising substitute for these inorganic based encapsulation layers. The use of polymer materials have the advantage of flexibility, active electrodes printability and easy to make

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19

Saravanan, S. "Moisture Barrier Polymer Nanocomposites for Organic Device Encapsulation." Thesis, 2016. http://etd.iisc.ernet.in/2005/3809.

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The advancement in smart technologies for organic conducting polymers as flexible substrates in LEDs, PVs and solid state lighting necessitates the development of ultra-high barrier films to protect the devices from moisture and oxygen. The current encapsulation methodology of using layers of plastics and inorganic oxides has several deficiencies. Alternatively, the use of single layer of polymer nanocomposites is a promising substitute for these inorganic based encapsulation layers. The use of polymer materials have the advantage of flexibility, active electrodes printability and easy to make

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20

Lin, Si-rong, and 林思榮. "The Study and Fabrication of Optical Thin Film on Cr4+:YAG Double-clad Crystal Fiber Based Devices." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/f7n494.

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碩士<br>國立中山大學<br>光電工程學系研究所<br>97<br>Recently, with the escalating demands for optical communications, the need for bandwidth in optical communication network has increased. The technology breakthrough in dry fiber fabrication opens the possibility for fiber bandwidth from 1.3 to 1.6 μm. Cr4+:YAG double-clad crystal fiber (DCF) grown by the co-drawing laser-heated pedestal growth method has a strong spontaneous emission spectrum from 1.3 to 1.6 μm. Such fiber is, therefore, eminently suitable for broadband optical amplifier, amplifier spontaneous emission (ASE) light source, tunable solid-state

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21

Lu, Lu-Min, and 呂律民. "A Study on the Development of Audio Interactive Device Driven by Voice and Clap Sound with its Applications." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/08464158805810949556.

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碩士<br>國立臺灣師範大學<br>圖文傳播學系<br>100<br>At performance space, the audiences usually one-way receive the music played by performers. A good performer will observe audiences' emotion expression and adjust the music to improve audience's emotion. In order to improve the interaction between performers and audiences, the purpose of this study is to develop an interactive device driven by voice and clap sound. Firstly, the input unit record audience's expression voice and clap sound with microphone; then the process unit will analysis characteristics of the sound and mapping it to parameters of audio eff

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22

Wang, Ding-Jie, and 王鼎杰. "The Study and Fabrication of Optical Thin Film on Cr4+:YAG Double-clad Crystal Fiber Amplifier and Laser Based Devices." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/67266191026175290469.

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碩士<br>國立中山大學<br>光電工程學系研究所<br>98<br>Recently, with the escalating demands for optical communications, the need for bandwidth in optical communication network has increased. The technology breakthrough indry fiber fabrication opens the possibility for fiber bandwidth form 1.3 to 1.6 μm. Cr4+:YAG double-clad crystal fiber (DCF) grown by the co-drawing laser-heated pedestal growth method has a strong spontaneous emission spectum form 1.3 to 1.6 μm. Such fiber is therefore, eminently suitable for optical coherence tomography (OCT), broadband optical amplifier, amplifier spontaneous emission (ASE) l

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23

Jianfar, Arjan. "Evaluation of erosion rates and their impact on riverbank stability." 2014. http://hdl.handle.net/1993/23929.

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A research program was undertaken to quantify the effect of flow induced erosion on the stability of natural river banks along the Red River in Manitoba. The Erosion Measurement Device (EMD) was designed and built in the Geotechnical Laboratory of University of Manitoba to approximate the erosion rate profiles of soil samples from nine sites along the RedRiver. Two simulations of a natural flood event and one of the same flood with the operation of the Floodway were then used to determine the difference in the lower toe erosion and the slopes reduction of the global factor of safety. These

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