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The objective of this study was to evaluate nutrient loss under herbaceous cover in simulated field conditions and quantify the influences of the aerial and underground parts of plants in preventing nutrient loss. The experimental settings were as follows: two herbs, i.e., alfalfa (Medicago sativa L.) and green foxtail (Setariaviridis (L.) Beauv.); four covers for each herb (0, 20-30%, 50-60%, and...
The acid pre-washing of zero valent iron for improving removal efficiency would deduce the secondary pollution in groundwater, and more fine particles of zero valent iron would reduce the permeability of aquifers. In order to better understand the approaches of nitrate removal, a series of laboratory experiments was conducted in this study. Batch tests showed that washed zero valent iron powder and...
Ecological industry can be thought of as a move toward sustainable development while reducing waste and avoiding pollution, especially in resource-based cities. This study presents a system dynamics approach to analyzing the environmental and economic effects of the eco-industry system by simulating long-term trends. Focusing on West China’s typical coal-based city of Huinong, a system dynamics model...
The different methyl metabolic products of inorganic arsenic lead to various toxicities. Arsenic has been demonstrated to induce hepatotoxicity by oxidative stress. The relationship between hepatic injury and inorganic methylation is not yet known. This study was designed to explore the relationship between arsenic methylation and liver oxidative stress induced by arsenic trioxide (ATO). Forty healthy...
Investigations were conducted to study the adsorption behavior of heavy metal Cu(II) on the mesoporous silicate SBA-15 (CONH₂-SBA-15) in aqueous medium by varying parameters such as contact time, temperature, ionic strength, and competing ions. Heavy metal adsorption was broadly independent of initial metal concentration. Competing ions in the aqueous solution had a small effect on the adsorption...
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