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 123 for “"stability studies"”.
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Equilibrium and stability studies of strongly shaped Tokamaks
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1988.
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Synthesis and Stability Studies of Novel Tellurium(IV) Compounds
… with the aim to enhance the physiological stability in order to clarify the biological mechanism of action of these species. The coordination sphere of tellurium has been modified with different ligands, tuning the steric electronic properties. The stability has been studied experimentally …
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Reduced order power system models for transient stability studies
… by performing a better then real-time transient stability study. Because of the computing capacity required for a transient stability study, the study cannot be performed on the full power system. A reduced model must be used. In this thesis, various methods of obtaining reduced models for use in …
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Total-energy models for phase-stability studies in multicomponent oxides
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1997.
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Modelling of induction motors for system faults and transient stability studies
… two techniques, was used to study the transient stability of a power system. The response of a typical system, loaded with a group of large induction motors, two three-phase delta-star transformers, a synchronous generator and an infinite system was analysed. The computer software developed to …
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Dynamic phasor modelling of VSC FACTS devices for small signal stability studies
… phasor models;A development of harmonic stability criteria for the proposed modelling is presented. The proposed modelling is employed to present the harmonics effect on the STATCOM and SSSC response and to identify their unbalanced operation in frequency domain. The main features of the …
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Amine and Catalyst Stability Studies in the Catalyst-Aided CO2 Capture Process
… Ce(SO4 )2 /ZrO2 , respectively. A preliminary stability study was conducted under typical absorption conditions in a semi -batch mode. The results revealed that CNTs/K-MgO increases solvent degradation. Degradation was direct ly proportional to temperature in the region of 313-333K. It was also …
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Design, Synthesis, Biological Evaluation and Metabolic Stability Studies of Sigma Receptor Ligands
… goal of this project was to conduct microsomal stability studies on some promising sigma receptor analogues. The data gathered from the pharmacokinetic studies has provided valuable information towards the mechanism of biotransformation of this class of sigma ligands. This knowledge is helpful …
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Diffusional stability studies of a T91/12Cr-2Si-Fe functionally graded composite
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2013.
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Flow and stability studies in porous media based on some non-Darcian models.
… thesis deals with the study of certain flow and stability problems in porous media using some non-Darcian models. It is divided into three parts, which are essentially independent of each other. The first part deals with the theoretical study related with the solution of the Brinkman equation. An …
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Synthetic, structural, and stability studies of metal complexes of cross -bridged tetraamine macrocycles
… most inert, consistent with its superior in vivo stability. This is also in accord with the fact that copper fits best in this ligand as indicated by the largest Nax-Cu-N ax bond angle of this complex compared to other six-coordinate Cu(II) complexes of cross-bridged ligands. Ga(III) and In(III) …
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Power flow and rotor angle stability studies of HVAC-HVDC power system interconnections using DigSILENT
The backbone of all industrialised nations is the success of the power sector, which involves an efficient, reliable and secure means of power generation, transmission and distribution. Industrial growth and urbanisation have together endlessly stimulated electrical engineers to ensure that the …
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Equilibrium and stability studies of plasmas confined in a dipole magnetic field using magnetic measurements
The Levitated Dipole Experiment (LDX) is the first experiment of its kind to use a levitated current ring to confine a plasma in a dipole magnetic field. Unlike most other confinement devices, plasma compressibility stabilizes and allows the plasma to attain a peak beta on the order of unity. …
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Hydrogen terminated silicon surfaces: Development of sensors to detect metallic contaminants and stability studies under different environments
Hydrogen terminated silicon surfaces have been utilized to develop sensors for semiconductor and environmental applications. The interaction of these surfaces with different environments has also been studied in detail. The sensor assembly relevant to the semiconductor industry utilizes a …
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Comparison of DigSILENT, Matlab PST and PSAT for steady state and stability studies on HVAC-HVDC systems
It is said that the electric power system is the most complex system ever built by mankind. Over the past few decades, many software packages focusing on the study of this complex system have been developed. These software packages range from academic/ research based to industrial/commercial based …
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Stability studies of Sasol Synfuels Transmission and Distribution network under fault conditions and N-1 supply contingency
The aim of the work is to perform a transient stability analysis of the Sasol Synfuels Transmission and Distribution network when the power system is subjected to fault conditions and N-1 supply contingency conditions. The work provides an overview of the problem of power system stability as well …
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Extração, caracterização fitoquímica e padronização do extrato das folhas de Passiflora cincinnata para o desenvolvimento de nanoemulsões com potencial hidratante e pró-idade
… aspects 24 hours post-preparation, followed by stability studies. The chemical composition of P. cincinnata revealed C-glycosylated and O-glycosylated flavonoids. Seasonality did not influence metabolite variation, and the extracts exhibited antioxidant activity in nearly all tests, showing no …
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