نتایج جستجو برای: nitrogen dynamics
تعداد نتایج: 554220 فیلتر نتایج به سال:
Over the past several decades, human activities have caused substantial enrichment of reactive nitrogen in China's coastal wetlands. Although anaerobic ammonium oxidation (anammox), the process of oxidizing ammonium into dinitrogen gas through the reduction of nitrite, is identified as an important process for removing reactive nitrogen, little is known about the dynamics of anammox and its con...
Conical intersections play a crucial role in the chemistry of most polyatomic molecules, ranging from the simplest bimolecular reactions to the photostability of DNA. The real-time study of the associated electronic dynamics poses a major challenge to the latest techniques of ultrafast measurement. We show that high-harmonic spectroscopy reveals oscillations in the electronic character that occ...
Every organism is composed of multiple chemical elements such as carbon, nitrogen and phosphorus. The relative proportions of such elements vary within and among species. How such facts affect organismal, population and ecosystem dynamics is the focus of ecological stoichiometry, which to date has been largely ignored by population dynamics theory. In this dissertation, stoichiometric principle...
background: composting as a waste management technology is becoming more widespread. the purpose of this study was to assess the feasibility and to find the most effective composting process for the ratio of green waste, digested and dewatered sludge from chonibieh wastewater treatment plant in the west region of ahvaz. methods: the composting time was 23 days and the evaluated parameters in th...
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