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Showing 1 to 20 of 58 for “"Physical Characterization"”.
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Mechanical and physical characterization of graphene composites
During my PhD activities, I studied the introduction of carbon-based nanofillers in materials at different scales, while focusing primarily on fibres and fibrillar materials. Several production techniques were exploited. Little is known about the interaction of graphene with electrospun polymeric …
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Chemical and physical characterization of clay bodies
Suitable methods for the assessment of the effect of freeze-thaw action upon ceramic tiles have been determined. The results obtained have been shown to be reproducible with some work in this area still warranted. The analysis of Whichford Potteries clays via a variety of analytical techniques has …
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Chemical and Physical Characterization of Environmental Pollutants
Made available in DSpace on 2014-12-13T20:10:46Z (GMT). No. of bitstreams: 1 8004290.pdf: 3647834 bytes, checksum: 2ff9cb9b58cc1a75e99dee40173a5810 (MD5) Previous issue date: 1979
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Structural and Physical Characterization of Insect Flow Systems
… characterizes the geometry, kinematics, and physical properties of insect internal structures that make up the respiratory and circulatory systems. This characterization is necessary to better understand how these systems function to transport fluids at the microscale, and ultimately, how we …
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Synthesis and physical characterization of thermoelectric single crystals
… a research project on the synthesis and physical characterization of thermoelectric single crystals. 1In₄Se₃-[delta] crystals were grown by different methods including the use of a floating zone furnace and a three-zone furnace, as well as different initial compositions. The samples …
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The Chemical and Physical Characterization of Airborne Particulate Matter
Made available in DSpace on 2014-12-10T23:02:12Z (GMT). No. of bitstreams: 1 7511600.pdf: 4827618 bytes, checksum: 5913a11eaed42ac6a5bf013a67313768 (MD5) Previous issue date: 1974
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CHEMICAL AND PHYSICAL CHARACTERIZATION OF COMPLEX III; THE OXIDATIVE REACTION MECHANISM
A comparison of model heme compounds with isolated and with mitochondrial cytochrome b using MCD and EPR showed that the unusual coordination structure of the cytochrome b heme(s) can be represented by hindered bis-imidazole protoheme. The midpoint potentials for the b and c(,1) cytochrome were …
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Surface charge properties and physical characterization of spent oil shale from the Tosco-II process
Includes bibliographical references.
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A modified triaxial permeameter for physical characterization of parameters affecting contaminant transport through wetland deposits
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1997.
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Chemical and Physical Characterization of Pre- and Post-Fire Soils for Wildfires in the Western US and Laboratory Burns
… and fuel accumulation. Wildfires modify physical and chemical soil properties and can cause the formation of post-fire Soil Water Repellency (SWR), which reduces water infiltration into the soil. This may induce cascading disasters including flooding, land and debris slides, and …
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Order Under Pressure: Structural and Magnetic Characterization at Extreme Stresses
… theoretical obstacles remain for structural and physical characterization of complex phases which only persist at these conditions. We begin to address the wide-reaching challenge of structural characterization in complex, bulky sample environments by employing recent advancements in generative …
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Characterization of the Chemoreceptors in the Bacillus Subtilis Chemotaxis System
Physical characterization of the chemoreceptors was probed by identification of a zinc ion binding area, using isothermal titration calorimetry. In addition, in vivo chemotactic assays showed that altering the charges of the methylation sites on the chemoreceptors can have a significant effect on …
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Dielectric properties of polymers at microwave frequencies
… properties of a polymer system is an important physical characterization technique. With the ability to use microwave radiation for curing of polymer systems, the measurement of the dielectric properties at microwave frequencies is vital. The two polymer systems that have been investigated in …
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Structure-Property-Transfection Relationships in Polycation-mediated Non-viral DNA Delivery
… were synthesized in order to correlate chemo-physical characterization with transfection results. Results revealed that seemingly small changes in the structure of cationic polyelectrolytes can have profound consequences on their transfection activity.
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Soft Reds and Hard Tans: Developing an Index of Vulnerability for New Orleans Brick
… mud from Lake Pontchartrain. Using multiple physical characterization techniques and performance tests, this study compares the behavior of two groups of seven nineteenth-century soft red and hard tan bricks to show that age alone is not a reliable indicator of vulnerability. In doing so, …
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Development & testing of ultrasound enhanced prodrug microbubble drug delivery system
… of productions schemes for stable microbubbles. Physical characterization was done to confirm production and was followed by initial in vitro testing. Results were indicative that microbubbles were formed via the protocol developed, and phantom imaging studies confirmed the enhance contrast from …
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The synthesis and in vitro evaluation of chemically modified siRNAs that contain internal azobenzene derivative spacers for selective and tunable photocontrol of activity
… were synthesized and then characterized bio-physically through several means. After bio-physical characterization, these siRNAs were tested in vitro against firefly luciferase in order to determine gene silencing efficacy. The ability of these azobenzene siRNAs to be controlled with light was …
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A framework for the language and logic of computer-aided phenomena-based process modeling
… or spatially distributed systems, mechanistic characterization of relevant phenomena (e.g., reactions, equilibria, heat and mass transport), and thermodynamic and physical characterization of process materials. Thelogical operators systematize the modeling process by explicitly capturing …
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