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Urbanization has brought about a substantial increase in population growth, and a considerable amount of park green space has been exposed to urban construction land, which has greatly affected the natural and social value of the urban natural capital. Although this problem is serious in developing countries such as China, few studies have been conducted on the basis of a comprehensive evaluation...
Grinding materials as a pretreatment contribute to successful composting. Here the grinding ratio of 4 raw materials and compost samples with different maturity degrees were compared and discussed. Results revealed that the highest grinding ratio was obtained when drying the 3 straws into constant weight, but keeping water content around 10% for sewage sludge. The carbon-to-nitrogen ratio (C/N) was...
We based our research on real-time monitoring data for PM2.5 at the Beijing Municipal Environmental Protection Monitoring Center of Haidian Beijing Botanical Garden (a vegetated area), and at Haidian Wanliu (a non-vegetated area). By combining these two data points with the PM2.5 and meteorological data from a separate monitoring station in Beijing Botanical Garden’s forest interior, we analyzed the...
This study was conducted to investigate the feasibility of using floating beds of tall fescue plants (Festuca arundinacea) inoculated with denitrifying polyphosphate accumulating microorganisms (DPAOs). In the presences of DPAOs, tall fescue showed greater removal of NH₄⁺-N, NO₃⁻-N, total N (TN), and orthophosphate (ortho-P) after a 20-day treatment. The average removal rates were 86.32%, 93.60%,...
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