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The invasive plant species, Solidago canadensis, often shares a common mycorrhizal network (CMN) with native plant species in southeast China. We ask whether the transfer of carbon (C) and nitrogen (N) among the invasive S. canadensis, the native Kummerowia striata and their CMN could contribute to the invasiveness of S. canadensis.
We conducted a microcosm experiment in which a CMN was established...
Properties of sulfur dioxide (SO2) and nitrogen dioxide (NO2) adsorbed on different types of arsenenes (pristine, boron-, and nitrogen-doped arsenene) are studied with the first-principle approach, which is based on the density functional theory. Adsorption energy, adsorption distance, Hirshfeld charge, and I–V characteristic are calculated. The results demonstrate that NO2 and SO2 exhibit a chemisorption...
The traditional nitrogen removal processes do not meet increasingly stringent discharge standards and sustainable demands. A novel, economical and efficient process was originally discovered in a denitrifying pilot plant reactor, namely anaerobic ammonia oxidation. Some significant advantages make the anammox be a milestone in the field of wastewater treatment and attract much attention, such as low...
Low carbon and phosphorus concentrations were controlled to investigate their influences on nitrogen removal in activated sludge reactors. Results demonstrated that when the initial COD/ NH4+-N (C/N) ratio was adjusted to 4/1, NH4+-N removal efficiency achieved the maximum value of 93.0%. With the rising of C/N ratio, total nitrogen (TN) removal efficiencies increased gradually while NH4+-N removal...
Integrated water environment management requires that the existing water quality models can be consumable in a seamless way. This paper discusses model integration and computation technology to improve water quality model's consumability. An integrated simulation framework is proposed to contain the heterogeneous models for a uniformed interface to end users. From computational efficiency perspective,...
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