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ion: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 2" class=MsoNormal>Simultaneous Determination of Calcium and Magnesium in Groundwater Samples by Ion Chromatography
ion: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 2" class=MsoNormal>Estimate of Erosion Rates in a Karst Region Using Calcium Concentrations: A Case Study of Puding, Guizhou Province, Southern China