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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 62 for “"trace analysis"”.
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TCP packet trace analysis
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1990.
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Precision Spectrophotometric Isomation Methods for Trace Analysis
Made available in DSpace on 2014-12-09T17:34:58Z (GMT). No. of bitstreams: 1 6500855.pdf: 5365241 bytes, checksum: f11f2d4dff0f21347f55920d67e407a6 (MD5) Previous issue date: 1964
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Polarographic trace analysis of copper, lead and cadmium
… an accurate, reliable, and inexpensive method of trace analysis for copper, cadmium, and lead in foods. AT this time, the Association of Official Analytical Chemists Manual, eleventh edition, (4) has only official and recognized methods of analysis for copper (25.023), cadmium (25.018), and lead …
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Trace analysis of protocols based on formal concurrent specifications
… which they are based. Test case generation and trace analysis are two important topics in protocol testing research. Most of the work so far has focused on test case generation rather than trace analysis. Furthermore, most of the work has dealt only with the sequential aspects of the protocol …
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Application of trace analysis and chemometrics to environmental problems
… to be causing the problem, followed by the analysis of the products of controlled degradation. It was found that extraction of the humic acid caused some changes to occur in its structure and that degradation, however controlled, was not reproducible. It was finally discovered that the …
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Advanced Memory Data Structures for Scalable Event Trace Analysis
The thesis presents a contribution to the analysis and visualization of computational performance based on event traces with a particular focus on parallel programs and High Performance Computing (HPC). Event traces contain detailed information about specified incidents (events) during run-time of …
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Surface enhanced resonance Raman spectroscopy of dyes: semi-quantitative trace analysis
Herein analysis of dye molecules has been carried out by means of surface enhanced Raman spectroscopy (SERS) and/or surface enhanced resonance Raman spectroscopy (SERRS) using citrate- and/or borohydride-reduced silver colloids employing laser exciting wavelengths equal to 514.5 and/or 632.8 nm. …
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Field sampling and flow injection strategies for trace analysis and element speciation.
… research has shown that the different forms of trace elements in the environment can cause a variety of health concerns as a result of differences in toxicity. The need to establish efficient, effective and reliable speciation methods has become paramount. A basic aim of this work has been to …
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State-trace analysis of associative recognition: comparing single-process and dual-process models.
… are bound into a single individual memory trace. State-trace analysis is a method to determine the number of latent variables or processes that contribute to performance on a set of tasks, under mild assumptions. A critical diagnostic feature is the dimensionality of the state-trace plot – …
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Integrated System Model Reliability Evaluation and Prediction for Electrical Power Systems: Graph Trace Analysis Based Solutions
… systems is presented. In this approach a Graph Trace Analysis based approach is applied to integrated system models and reliability analysis. The analysis zones are extended from the traditional power system functional zones. The systems are modeled using containers with iterators, where the …
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A new method for the routine trace analysis of polychlorinated biphenyls in waste oil and contaminated soil
… equipment with levels higher than 50 mg/l. PCB analysis in oils and oil contaminated soil is normally expensive in terms of time, instrumentation and uses large volumes of hazardous solvents which further increase cost per sample. Commercial laboratories are constantly under pressure to provide …
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Sample Preparation/Concentration for Trace Analysis in GC/MS (A study of solid phase microextraction and headspace sampling)
… SPME coatings <sup>(7)</sup> were studied. Trace amounts of Veltol ®, Veltol Plus® and short chain fatty acids in food samples were analyzed by GC/MS. Since SPME is not directly applicable to solid samples, SPME associated with MAE techniques was studied for solids, primarily food samples. …
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An atom trap trace analysis (ATTA) system for measuring ultra-low contamination by krypton in xenon dark matter detectors
… nuclei within its liquid xenon (LXe) target. The trace 85Kr in the xenon target undergoes beta-decay with a 687 keV end point and 10.8 year halflife, which contributes background events and limits the sensitivity of the experiment. In order to achieve the desired sensitivity, the contamination by …
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Comparison and Simulation of a Water Distribution Network in EPANET and a New Generic Graph Trace Analysis Based Model
The main purpose of this study was to compare the Distributed Engineering Workstation (DEW) and EPANET models. These two models are fundamentally different in the approaches taken to simulate hydraulic systems. To better understand the calculations behind each models' hydraulic simulation, three …
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Prioritized Reconfiguration of Interdependent Critical Infrastructure Systems
… A method of modeling systems called Graph Trace Analysis is used to enable generic operation on various system types, and a notation for writing algorithms with Graph Trace analysis models is presented. The algorithms described are compared with each other and with prior work when run on a …
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Ice Concentration Linked with Extractive Stirrer (ICECLES)
… health effects even at low levels. Therefore, trace and ultratrace analysis of contaminants in drinking water is essential. Ultratrace analysis typically requires highly effective sample preparation methods and/or highly sensitive instruments. There are currently advanced sample preparations …
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Feeder Performance Analysis with Distributed Algorithm
… above, by investigating feeder performance analysis of electric power distribution systems with distributed algorithm. Feeder performance analysis computes a modeled circuit's performance over an entire year, listing key circuit performance parameters such as efficiency, loading, losses, …
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