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 13 of 13 for “"Particle Characterization"”.
-
A Diagnostic Technique for Particle Characterization Using Laser Light Extinction
… environments have increased risks of micro-sized particle ingestion into engines. The probability of increased sand and dust ingestion results in increased life cycle costs, in addition to increased potential for performance loss. Thus, abilities to accurately characterize inlet sand would be …
-
Sub 2 nm Particle Characterization in Systems with Aerosol Formation and Growth
… frontier is characterizing the initial stages of particle formation by real time measurement of particles below 2 nm in size. Sub 2 nm particles play important roles by acting as seeds for particle growth, ultimately determining the final properties of the generated particles. Tailoring …
-
Particle characterization for an eight inch wafer tungsten chemical vapor deposition system
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1994.
-
High resolution scattering measurements for stationary particles
Particle characterization is important to the aerospace field because particle ingestion in propulsion engines can lead to catastrophic failures. It has been shown laser based methodologies can determine size and concentration of spherical particles by using light extinction. However, when one …
-
Microfluidic Transverse AC Electrophoresis Systems for Multiparameter Characterization of Single Particles and Cells
Particle characterization techniques are essential in a wide range of fields, including biological sciences, material science, environmental studies, pharmaceutical, and clinical research. Despite the availability of numerous characterization methods, spanning both ensemble and single particle …
-
Electrochemical Oxidation of Individual Silver Nanoparticles: Exploring the Effect of Particle Shape, Capping Ligand, Electrolyte, and Potential on the Signal
… unique properties can be exploited, and nanoparticles are being used as catalysts, antimicrobials, drug delivery vehicles, sensors, and more. However, the fundamental properties of nanomaterials and their interactions with their surrounding environments are still poorly understood. In this …
-
Chemistry of carbonaceous aerosols : studies of atmospheric processing and OH-initiated oxidation
… for both bulk compositional analysis and single particle characterization. Approximately 50% of the non-volatile component of PM2.5 was found to consist of carbonaceous material, including both soot and organics. Other major components included sulfates, soil/dust and heavy metals indicative of …
-
ASSESSMENT OF THE RELATIONSHIP BETWEEN OUTDOOR AND INDOOR CONCENTRATIONS OF AIRBORNE PARTICULATES IN RESIDENTIAL BUILDINGS IN SINGAPORE
… comprehensive indoor, outdoor and personal particle characterization study was conducted in a non-smoking apartment for a period of 2 to 10 days during April, 2003 to May, 2003. Concurrent indoor, outdoor and personal particle number measurements were recorded using a handheld condensation …
-
Modifying burning rate and agglomeration size in aluminized composite solid propellants using mechanically activated metals
… excessive two phase losses. Tailored composite particles has been applied to tailor aluminum particle ignition and combustion. In this research, mechanical activated aluminum magnesium powders are synthesized, tested in both laser ignition using CO2 and propellant. Prepared powders categorized …
-
Hydrodynamic resistance and sorting of deformable particles in microfluidic circuits
Sorting of microparticles has numerous applications in science and technology, from cell analysis to sample purification for biomaterials, photonics, and drug delivery. Methods used for particle separation relied only on procedures that involved sedimentation, filtration through porous material or …
-
The hydrated lime dissolution kinetics in acid mine drainage neutralization
… of dissolved calcium and determining change of particle size distribution. There were two methods of determining calcium assays investigated, that is EDTA-EBT titration method and OCPC spectrophotometric method. Both methods worked successfully for a Ca(OH)₂-H₂O system. The EDTA-EBT titration …
-
Pyrolysis and Hydrodynamics of Fluidized Bed Media
… This research investigates bed fluidization and particle decomposition for fluidized materials. Experimental methods were developed to model gravimetric and energetic response of thermally decomposing materials. Gravimetric, heat flow, and specific heat data were obtained from a simultaneous …
-
Development of MWL-AUC / CCD-C-AUC / SLS-AUC detectors for the analytical ultracentrifuge
… made an important contribution to polymer and particle characterization since its invention by Svedberg (Svedberg and Nichols 1923; Svedberg and Pederson 1940) in 1923. In 1926, Svedberg won the Nobel price for his scientific work on disperse systems including work with AUC. The first important …