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Showing 1 to 20 of 405 for “"Analytical method"”.
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Accuracy analysis of the semi-analytical method for shape sensitivity analysis
The semi-analytical method, widely used for calculating derivatives of static response with respect to design variables for structures modeled by finite elements, is studied in this research. The research shows that the method can have serious accuracy problems for shape design variables in …
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Development of an analytical method for the organic impurity profiling of amphetamine
No abstract available.
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An analytical method for predicting permanent deformation of foundations under cyclic loads
Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1982.
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A Semi-Analytical Method for the Thermal-Hydraulics of a Boiling Water Reactor
Made available in DSpace on 2017-07-06T18:59:14Z (GMT). No. of bitstreams: 3 Vandermyde_Mark_A_MS.pdf: 46312150 bytes, checksum: 094a60daa2636d18573e970c85add0ce (MD5) Vandermyde_Mark_A_MS_ABS.pdf: 451063 bytes, checksum: dac8cd25f58984ef8720768fc460b356 (MD5) license.txt: 4813 bytes, checksum: …
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Novel analytical method for investigating compositional driven ion-induced nanopatterning of multicomponent materials
Ion-induced nanopatterning of GaSb produces hexagonally ordered nanopatterns with cone-shaped nanofeatures, where experimental investigations have shown that these nanopatterns form under a wide variety of ion parameters – including ion energy and ion species. Several theoretical works have …
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Analytical method for turbine blade temperature mapping to estimate a pyrometer input signal
The purpose of this thesis is to develop a method to estimate local blade temperatures in a gas turbine for comparison with the output signal of an experimental pyrometer. The goal of the method is to provide a temperature measurement benchmark based on a knowledge of blade geometry and engine …
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Dietary fiber content of dry pea, chickpea, and lentil determined using the consensus analytical method, AOAC 2011.25
… of dietary fiber published in 2009 and the method that conforms to that definition (AOAC 2011.25) is needed. The overall goal of this thesis was to analyze the dietary fiber content of three major pulse crops, dry pea (Pisum sativum L.), lentil (Lens culinaris L.) and chickpea (Cicer …
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STUDY OF THE LOADING OF PILES USING A SEMI-ANALYTICAL METHOD AND THE DIGITAL IMAGE CORRELATION TECHNIQUE
… are obtained using the eigenvalue/eigenvector method, and another that determines the displacement within the soil domain, which are obtained numerically using the finite difference method. The piles can have any cross-sectional shape, and the soil profiles can comprise as many layers as …
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Development of an LCMS Analytical Method with Applicability to Determination of Trace Level Explosives in Environmental Waters
… Sciex Trap 4000 LC-MS/MS. Different extraction methods will be proposed, along with chromatographic and mass spectroscopy method development. Dependent on the target analyte polarity, thermal degradation, solubility and type of matrix, an appropriate method of analysis will be established. The …
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An analytical method for predicting lift and drag characteristics of flat-top wing-body combinations at supersonic speeds
… and utilizing the most recent theoretical methods to determine them. The analysis was applied to two flat-top wing-body combinations; namely, a semiconical body with an arrow planform wing, and a 3/4 power semibody with a diamond planform wing. For these combinations a free-stream Mach …
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Development of an analytical method to quantify the oxidative deoxyribose damage product 3'-phosphoglycolaldehyde induced by radiation, iron and peroxynitrite
… oxidation both in vitro and in vivo. Current methods lack the sensitivity required to measure low concentrations of deoxyribose oxidation products. The goals of the research findings reported here is to develop a sensitive method that can accurately and reproducibly quantify …
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Colonic metabolism of dietary grape seed extract: Analytical method development, effect on tight-junction proteins, tissue accumulation, and pan-colonic pharmacokinetics
… Liquid Chromatography-Tandem Mass Spectrometry method was developed to efficiently analyze PCs and an extensive profile of their microbial metabolites. This method is sufficiently sensitive and effective in simultaneously extracting and measuring native PCs and their microbial metabolites in …
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Science Based Authentication of Dietary Supplements: Studies on the Chemical Constituents, Analytical Method and Biological Activities of Scutellaria Spp and Pfaffia Paniculata
… of herbal medicine, including phytochemical, analytical, and biological investigation.</p> <p>Two projects are included in the dissertation. The first one is the “Science Based Authentication of Dietary Supplements - Studies of Scutellaria Species on the Chemical Constituents, Analytical …
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Development of an Analytical Method for Distinguishing Ammonium Bicarbonate from the Products of an Aqueous Ammonia Co2 Scrubber and the Characterization of Ammonium Bicarbonate
… in the products needs to be identified. Various analytical techniques were used to distinguish the ABC. FTIR, DSC, TGA and XRD techniques were used to qualitatively distinguish the ammonium bicarbonate from the ammonium salts. The carbon, hydrogen and nitrogen element analysis and Near Infrared …
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Development of a liquid-liquid, solid-phase extraction (SPE), LC-MS/MS analytical method for qualitative and quantitative drug residue analysis in white-tailed deer
… are based on qualitative and quantitative methods. These methods are used to determine the amount of compound present in a sample. The choice of analytical method of residue testing is based on the assessment of the benefits and disadvantages of the technique. Qualitative methods include, …
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Development of an analytical method to derive hydrophobicity parameters for use as descriptors for the prediction of the environmental and human health risk of chemicals
… of animals is the application of computational methods. These include Quantitative Structure-Activity Relationships ((Q)SARs), which are the formalisation of the relationship of the effects (e.g. toxicity) for a series of chemicals and their physico-chemical and structural properties. Most QSARs …
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Mercury methylation potentials in sediments an ancient cypress wetland using species-specific isotope dilution-GC-ICP-MS: Analytical method development and the effect of sorbent amendments
<p>A novel method was developed to measure mercury (Hg) directly in environmental solids using inductively coupled plasma mass spectrometry (ICP-MS) with online sample ashing. The method combines a direct mercury analyzer (DMA) that is based on sample combustion, Hg pre-concentration by …
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