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Impact of irreversible sorption on sediment quality
Irreversible sorption has been widely observed for hydrophobic organic contaminants in natural sediments. It is a complicated process and impacts sediment quality and contaminated sediment management. In this research, experiments were conducted to further understand the nature of irreversible sorption and the mechanism(s) controlling this process. The ...
Sorption and desorption of hydrocarbons to and from historically contaminated Lake Charles sediments
The sorption and desorption behaviors of chlorinated hydrocarbons and naphthalene to and from Lake Charles sediments were studied. The sorption of 1,2- dichlorobenzene, 1,2,4-trichlorobenzene, and naphthalene was determined to be linear via hydrophobic effect, and the partition coefficients of these compounds were in the range of literature reported ...
Magnetic Fields and Accretion on T Tauri Stars
In this thesis, we study magnetic properties of Classical T Tauri Stars (CTTSs) using diffferent analysis methods from different angles. We first implement a least-squares deconvolution (LSD) code to enhance the signal-to-noise ratio of the observed data and therefore the ability to detect weak magnetic signatures in the polarized spectra. We compare ...