Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 747 for “"COIL"”.
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Thermo-Reversible Gelation Of Rod-Coil and Coil-Rod-Coil Molecules Based on Perylene Diimides
… both sides of the PDI (PS-PTCDI-PS), to form a coil-rod-coil molecule, and studied its gelation behavior. This differs from the case of coil-rod-coil molecules discussed before; with Di-PDMS, the Tg of the PDMS segment is -125 °C. With DJ-PTCDI, considering that the glass transition temperatures …
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Trends in Tungsten Coil Atomic Spectrometry
… atomic spectrometric methods based on tungsten coil atomizers is a consequence of a world wide increasing demand for fast, inexpensive, sensitive, and portable analytical methods for trace analysis. In this work, tungsten coil atomic absorption spectrometry (WCAAS) and tungsten coil atomic …
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Dynamics of rod-coil block copolymers
… multiple domains of dissimilar geometries. Rod-coil block copolymers are an example of hybrid molecules that have attracted recent interest for organic electronics and biomaterials. This thesis uses theory, simulation, and experiments to better understand the mechanisms of molecular motion in …
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Tungsten Coil Electrothermal Vaporization for Atomic Spectroscopy
Electrothermal vaporization has served as an alternative sample introduction method in atomic spectroscopy for some time. Typically, electrothermal vaporizers made of graphite, but these devices do not lend well to mass production, are expensive, and require large power supplies for operation. In …
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Design and construction of an induction coil
Made available in DSpace on 2016-11-09T23:48:05Z (GMT). No. of bitstreams: 2 5958474_opt.pdf: 37227376 bytes, checksum: 4f7c52fc6b572e3626c300b3e2624ff8 (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1897
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Design and construction of an induction coil
Made available in DSpace on 2016-11-09T23:47:23Z (GMT). No. of bitstreams: 2 5958474_opt.pdf: 37248493 bytes, checksum: 3f6e3bbf5472c6a55bd49361aae8efd1 (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1897
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Design and construction of an induction coil
Made available in DSpace on 2017-11-30T22:46:18Z (GMT). No. of bitstreams: 2 5958474.pdf: 4313516 bytes, checksum: 83e9ea322ca8e9fdb260ac7f39b56bb4 (MD5) license.txt: 4813 bytes, checksum: 715c4321821a960fa1a1e91d2ac7ebce (MD5) Previous issue date: 1897
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Hydrodynamics of magnet-coil actuated robotic fish
… Fish. Both of these robotic fish use a magnet-coil actuation method in order to create caudal fin motion. A velocity imaging technique,, Particle Image Velocimetry (PIV), was used in order to characterize the wake structure created by the tail beat. Both robotic fish were towed through water as …
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Radiofrequency losses in an NMR surface coil
… has been investigated for a resonant NMR surface coil between 20 MHz and 400 MHz. High-field NMR (> 64 MHz) is used increasingly for human imaging and spectroscopy to achieve improved SNR and spectral resolution. RF losses in coils designed using conventional lumped-element principles, however, …
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Novel plant nuclear envelope-associated coiled-coil proteins
… NEAP protein structure consists of extensive coiled-coil (CC) domains, followed by a nuclear localisation signal (NLS) and a C-terminal transmembrane (TM) domain. Confocal microscopy shows that fluorescent protein tagged NEAP proteins localise to the nuclear periphery as part of highly …
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Numerical investigation of wire coil heat transfer augmentation
… been studied extensively in the past. The copper coil insert has been tested via experimental research which presented data sufficient enough to conclude that such turbulators would be effective when used in all high-heat load/flux components at the Advanced Photon Source at Argonne National …
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Statistical prediction schemes for the coiled-coil motif
… and distinguishing trimeric and dimeric coiled coils. Practical issues in the implementation of the two-stranded coiled coil prediction algorithm PairCoil suggested by Berger are discussed. This algorithm is naturally extended to the domain of three-stranded coiled coils in the …
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Design of a voice coil actuated office chair
… The advantages and drawbacks of the Voice Coil Actuators used in the design are also discussed. A prototype control system, enabling ergonomically beneficial motion is described and analyzed. Additionally, qualitative feedback from human testers is given, and suggestions for future work are …
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Modeling and characterization of a voice coil motor
This thesis describes the development of a voice-coil motor that will allow viscous fluids to be delivered via a portable needle-free injection device. The chosen motor design features opposing magnets whose flux is channeled across the air gap by a center radial magnet, thus creating a higher flux …
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Computational prediction of coiled-coil interaction structure specificity
The alpha-helical coiled coil is a protein sequence and structural motif that consists of two or more helices in a parallel or antiparallel orientation supercoiling around a central axis. Coiled coils have been observed in a wide range of protein families, and many studies have focused on their …
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Portable Tungsten Coil Atomic Emission and Atomic Fluorescence Spectrometry
Tungsten Coil Atomic Emission Spectrometry is an ideal technique for field applications because of its simplicity, low cost, low power requirement and independence from cooling systems. A new, portable, compact design is reported here. The tungsten coil is extracted from a 24 V, 250 W commercial …
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A Monte Carlo Study of the Helix-Coil Transition
Made available in DSpace on 2014-12-09T17:35:35Z (GMT). No. of bitstreams: 1 6612404.pdf: 2787704 bytes, checksum: 175cf198fb0837cbb1b50a637a8f3253 (MD5) Previous issue date: 1966
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Coil antenna design for transmitter and receiver for bioelectronics
… This thesis shows an inductive link of the coil antenna designs that present a wireless power transfer system based on a near-field communication. The coil antennas contribute the electronics to receive power wirelessly and monitor the collected data continuously. Both coil antennas for the …
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Fast magnetic resonance spectroscopic imaging using RF coil arrays
… times. The development of high-fidelity gradient coils has opened opportunities for fast k-space encoding schemes that are already used in structural imaging. At the same time, receive-coil arrays using 4 and 23 channels have been developed and reported to produce improved SNR over conventional …
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Radiofrequency detector coil performance maps for parallel MRI applications
… MRI, arrays of radiofrequency (RF) detector coil arrays are used to perform some degree of spatial encoding which complements traditional encoding using magnetic field gradients. As the acceleration factor increases, coil design becomes critical to the overall image quality. The quality of a …
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