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.
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Showing 1 to 12 of 12 for “"temperature shock"”.
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Three Essays on the Interactions between Agriculture and the Environment
… impacts (in the first essay), and weather shocks and their impacts on rural households in developing countries (in the second and third essays). The first essay proposes a multimarket equilibrium approach to estimating the consumer surplus for environmentally-friendly technologies adopted …
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On understanding the lives of dead stars : Supernova Remnant N103B, radio pulsar B1951+32, and the Rabbit
… recent X-ray results. We present our latest two-temperature shock and two-dimensional spatial-spectral modeling of the remnant. If the massive progenitor conclusion holds true, it would significantly changes previous conceptions of the young SNR population in the LMC.
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A novel mechanism for metal alloying at the nanoscale
… the theory, we developed a facile carbothermal shock (CTS) method to synthesize a wide range of multicomponent (up to eight dissimilar elements) nanoparticles with a desired chemistry (composition), size, and phase (solid solution, phase-separated) by controlling the CTS parameters (substrate, …
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Studies into Mg-preconditioning of brewer’s yeasts
… preconditioned yeast cells was altered by temperature shock (both cold shock at 4°C and heat shock at 40°C) and toxic ethanol shock (at 10-20%). This resulted in significant cellular losses of Mg, which indicated that some of the extra Mg present in these cells was in a free (releasable) …
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A hybrid method for flows in local chemical equilibrium and nonequilibrium
… with a five species air chemistry model, a high-temperature shock tube is used as a verification test case. Results are compared with those from pure equilibrium, full finite-rate, perfect gas Euler, and exact perfect gas Riemann solvers. Timings are also given, suggesting the cost savings that …
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Microbial community responses of an anaerobic enrichment to temperature shocks
… functions. Previous studies have reported that temperature fluctuation could lead to AD process instability and failure, perhaps through disruption of microbial cooperation. Nevertheless, understanding of how AD microbiota respond to temperature shock is poor. Specifically, we have yet to …
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Studies of androgenic processes in diploid potato
… in three interspecific hybrids. Five incubation temperature treatments were examined. Temperature shock (35°C) during the first 12 h of anther culture and elevated incubation temperature (30°C 16h/20°C 8h) (hereafter 35°C-30°C/20°C) enhanced androgenic embryo production. Variation among …
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Computational Fluid Dynamics-Informed Analysis of Diaphragm-Free Shock Tubes and Insert Designs
… simulation of a novel, compact, diaphragm-free shock tube is presented using computational fluid dynamics (CFD) in ANSYS Fluent 2022 R1 to better understand shock tube behavior for improved control in high-pressure, high-temperature shock experiments. The study quantifies geometric and viscous …
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Molecular marker analysis of a segregating monoploid potato family
… Growing anther-donor plants in higher greenhouse temperatures (30 degrees C day/20 degrees C night) increased the number of embryos per anther by 40 percent. A heat shock given to anthers in culture for 12h at 35 degrees C was also found to be beneficial resulting in an increase of the anther …
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PERFORMANCE OF MODIFIED HETEROGENEOUS NOVEL PAN CATALYST FOR THE REMEDIATION OF REACTIVE ORANGE 16 (RO16)
… The effects of H2O2, catalyst loading, pH, temperature, shock load, and turbidity have been studied in both batch and continuous flow both with and without UVc assistance. The effectiveness in the removal of the azo dye in terms of decolouration, loss of aromaticity and consumption of H2O2, …
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Toxicological, physiological, and behavioral responses of the Asiatic clam, Corbicula sp., to biocidal and copper perturbations
… on the effectiveness of exposure to simultaneous temperature shock with chlorination, monochloramine, and ammonia as control agents of the Asiatic clam, Corbicula sp. Control procedures were evaluated based on lethal and sublethal responses (e.g., glycogen, tissue water, dry weight index, and …
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Transcriptomic analysis of the response of the lactic acid bacteria Lactococcus piscium for the identification of possible adaptive genes during thermal shock in cold and warm temperatures
… as a source of food spoilage. The effects of temperature changes has yet to be studied in depth. In this study, to analyze in a transcriptome level, cold and heat shock stress to spoilage lactic acid bacteria, a time-dependent RNA-seq for Lactococcus piscium with a temperature of 0 °C and 28 …