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.
Results
Showing 1 to 20 of 119 for “"analysis time"”.
-
Activity choice analysis time allocation and disaggregate travel demand modeling.
Thesis. 1976. M.S.--Massachusetts Institute of Technology. Dept. of Civil Engineering.
-
Dispersion analysis, time parallelization, and GPU autotuning for finite element methods
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-09-16 without embargo terms
-
A computer integrated system for construction delay analysis : time and impact costs
… the impacts associated with the new project time. The analysis itself is usually complex and can be aided by a computerized approach. In this work, the advantages and the shortcomings of the existing delay analysis techniques are highlighted and a new delay analysis technique is developed and …
-
Investigation of column and instrumental parameters for fast gas chromatography analysis
… separations actually require much Iss time than js actually being spent on the analysis. Capillary columns are known to be very efficient due to the long lengths and thin stationary phase films. However, analysis can be done much faster if shorter column lengths and thinner stationary …
-
Synthesis and evaluation of N-3,5-dinitrobenzoyl-beta-amino acid derived chiral stationary phases
… The inherent advantages of chromatography; rapid analysis time, the ability to separate complex mixtures, reproducibility, flexibility and economy are extended to the problem of enantiomeric resolution when CSPs are employed.
-
Improved analytical methods for carbohydrate analysis in biofuel research.
… and robust analytical methods for carbohydrate analysis are critical for researchers as they investigate potential feedstocks. Currently, high performance liquid chromatography with refractive index detection (HPLC-RI) and a ligand-exchange column is the standard method the biofuels industry …
-
ΑΝΑΠΤΥΞΗ ΝΕΩΝ ΑΥΤΟΜΑΤΟΠΟΙΗΜΕΝΩΝ ΦΑΣΜΑΤΟΦΩΤΟΜΕΤΡΙΚΩΝ ΜΕΘΟΔΩΝ ΑΝΑΛΥΣΕΩΣ ΜΕ ΤΗΝ ΤΕΧΝΙΚΗ ΤΗΣ ΕΙΣΑΓΩΓΗΣ ΔΕΙΓΜΑΤΟΣ ΣΕ ΡΟΗ ΚΑΙ ΕΦΑΡΜΟΓΕΣ ΣΤΗ Φ...
… FLOW INJECTION SPECTROPHOTOMETRIC METHODS OF ANALYSIS, USING A LABORATORY MADE ANALYZER INTERFACED TO A MICROCOMPUTER, ISDESCRIBED. THE ANALYTICAL REACTIONS AND CLASSICAL METHODS CHOSEN FOR AUTOMATION SUFFER FROM: A) TIME CONTROL OF THE STEPS INVOLVED, B) INCREASED INTERFERENCES DUE TO …
-
Evaluation of environmental foot printing techniques
… workforce resources. Often the majority of the time spent completing the assessment is focused on areas that have a minimal contribution to the overall product footprint. Industry specific estimation techniques are being developed which will allow for assessments to be completed with fewer …
-
Time series estimation in a spiked signal regime
… the problem of estimating a noisy, incomplete time series of a dynamical system with unknown state evolution. The technique presented is TSCC (Transformed Spiked Co- variance Completion), a matrix completion algorithm for signal estimation that leverages the spiked signal model, an assumption …
-
Intravascular Optical Coherence Tomography Image Analysis
… stenting with unprecendented details. Currently, analysis of OCT images has been typically conducted manually in an extremely time-consuming manner. The aim of this PhD dissertation is to develop advanced image processing algorithms and software to automate the task and thereby reduce the image …
-
Automated stenosis quantification in coronary arteriograms
… is in favor due to its low variability and fast analysis time. Given a start point and search direction, a tracking process automatically detects the arteries edge. From the edge points, a quantitative analysis process calculates the arteries diameter and percent diameter stenosis. As the …
-
Preparation, Characterization, And Application of Liposomes in the Study of Lipid Oxidation Targeting Hydroxyl Radicals
… their toxicity is limited by their short lifetimes. Currently, the mechanism by which hydroxyl radicals are involved in the onset of many illnesses, particularly with regard to lipid peroxidation, has yielded some controversy in the literature. Conventional studies which generate hydroxyl …
-
Automated Plant Morphological Assessment and Microbial Community Monitoring in Simulated Lunar Regolith
… track plant leaf area and height via image analysis. Results indicated that amended rhizosphere microbial communities adapted with robust metabolisms related to organic matter decomposition and nitrogen cycling in a single growth cycle. Additionally, the automated pipeline reduced analysis …
-
Viscoelastic stress analysis of adhesively bonded joints
Existing closed form solutions for the stress analysis of the single lap joint were studied intensively, and methods of analysis and assumptions between the analyses of Goland and Reissner, Hart-Smith and Delale and Erdogan were compared. The existing SAAS3V finite element program was modified to …
-
Particle Class Balance for Apportioning Aerosol Mass
… and major elemental composition in a short analysis time. To exploit CCSEM as a source apportionment receptor modeling technique, it is important to define the membership of each particle in a well defined particle class. Various clustering methods were examined to obtain possible members of …
-
An on-line chemistry monitor for boron concentration
… demonstrate its usefulness for accurate, rapid analysis of boron concentration. The system was calibrated over the concentration range 0-2500 ppm boron. At a concentration of 1000 ppm the standard deviation was ± 2% for an analysis time of < 4 minutes.
-
A method for the rapid, accurate prediction of the physical properties of middle distillate fuels from LC-¹H NMR derived data
… property and require less than two hours analysis time per fuel. An interface was developed between the NMR spectrometer and a personal computer to aid in automation of the LC-⁻¹H NMR data collection and to perform off-line analysis of the LC·⁻¹H NMR data. This interface and all associated …
-
Gas Chromatography: Mass Spectrometry of Chemical Agents and Related Interferents
One of the main problems encountered in chemical analysis operations in the field is collecting sufficient sample from the source and transferring that sample to the measurement instrument for fast separation and identification. I have been involved in developing a field-portable gas …
-
Analyzing Extracellular Vesicles as Potential Biomarkers of Stroke Using Polymer Microfluidic Devices
… resonance (MRI), is that they cannot provide timely diagnosis within the narrow therapeutic time window of 4.5 h from stroke onset afforded by recombi-nant tissue plasminogen activator treatment. Upon initiation of a stroke event, CD15+ neu-trophils and CD8+ T cells are recruited and activated …
-
Development of a Flow Cytometry Method for the Identification and Enumeration of Enterococcus faecalis
… method to detect <em>E. faecalis</em>. The short analysis time (~ 2 hours) and absence of labor-intensive steps (vacuum filtration, agar plating, and a series of confirmatory steps), increase the potential for the method to increase the throughput of routine monitoring of water quality. A shorter …
Page 1 of 6