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Creator:: Du, Xiuning and Peterson, William T.
Abstract:: Coastal upwelling in the northern California Current varies seasonally, with downwelling in winter and upwelling in summer, resulting in pronounced variability in hydrography, nutrients, phytoplankton biomass, and species composition. Winter was characterized by moderate concentrations of nitrate and silicate (averages of 10 and 18 μM, respectively) and low concentrations of...
Resource Type:: Article
Full Text:: - -- -- -- -- - 8 10 12 14 16 18 U pw el lin g In de x -- -- -- -- -- -4000 -2000 0 2000 1 2 3

Creator:: Maydagán, Laura, Franchini, Marta, Chiaradia, Massimo, Dilles, John, and Rey, Roger
Abstract:: Altar (31º 29’ S, 70º 28’ W) is a large porphyry Cu-(Au-Mo) deposit with associated epithermal Au-(Ag-Cu) veins located in the Cordillera Principal of SW San Juan Province (Argentina). Altar is a complex magmatic-hydrothermal system formed from several magmatic and hydrothermal pulses during the middle-late Miocene. New LA-ICPMS U-Pb ages...
Resource Type:: Article
Full Text:: Rey f a CONICET; b Departamento de Geología y Petróleo, Facultad de Ingeniería

Creator:: Cummings, Brittany M.
Abstract:: Water quality impacts both human and ecosystem health. Many pharmaceuticals and personal care products are considered contaminants of emerging concern (CEC) due to their bioactive properties. Among these, metformin—the most commonly prescribed drug for treatment of type 2 diabetes—has been reported at high concentrations (μg L⁻¹) in stream, lake, and...
Resource Type:: Masters Thesis

Creator:: Chotyakul, Nattaporn
Abstract:: Analytical chemistry is an essential qualitative and quantitative tool to describe foods and biomaterials and their changes during production, processing and distribution. In this work, rapid analytical procedures for the extraction and quantification of components in fluid milk and diatom fermentation broth were developed. Analytical methods to measure the concentration...
Resource Type:: Dissertation
Full Text:: (Xunta de Galicia) and the National Science Foundation (NSF). I must also acknowledge the guidance from

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