Therefore, Toyoda and Yoshida [1] considered four procedures for a position-dependent calibration of N2O reference gases: 1. Synthesis of N2O from NH4NO3 with known nitrogen isotope ratios in ammonium and nitrate 2. Measurement relative to pure NO of known isotopic composition 3. Preparation of...
Another important process essential to the bio- geochemical cycling of nitrogen in soils is nitrogen fixation. Nitrogen fixation counteracts the loss of gaseous nitrogen to the atmosphere through micro- bial nitrification and denitrification by constantly replenishing the bioavailable nitrogen pool through ...
Accumulation of cellobiose lipids under nitrogen-limiting conditions by two ustilaginomycetous yeasts, Pseudozyma aphidis and Pseudozyma hubeiensis. FEMS Yeast Res. 2013;13(1):44–9. https://doi.org/10.1111/1567-1364.12005. Article CAS PubMed Google Scholar Morita T, Fukuoka T, Imura T, ...
Write the oxidation number for all of the elements in the compound (NH4)2SO4. Write the formula of the compound nitrogen trichloride. Write the name of the molecule H_2S (g). Write the name of the molecule Mn^{2+}. Write the formula for a compound containing two...
ammonium form in nitrate deficiency conditions. When ammonium is provided as a main source of nitrogen with high concentrations for plants, their leaves number was decreased, growth decreased, roots stunted, and in severe condition this leads to yellowing of leaf tissue and ammonium toxicity22...
The presence of hydrocarbon-like water-insoluble OA was also identified based on concentration trends in black carbon and nitrogen oxides. The results from the source apportionment analysis of the inorganic composition were correlated with different OA factors to assess potential source contributors. ...
Answer to: Would the ability of iron NOT reacting with nitrogen or a substance not chemically reacting to another type of matter be a chemical...
Still combustion of diesel fuel results in emissions of greenhouse gases (GHGs) as well as criteria air pollutants, like particulate matter (PM), carbon monoxide (CO), nitrogen oxides (NOx), and air toxics such as polycyclic aromatic hydrocarbons (PAHs) that cause cancer (CDC, 2014). Due ...
Accumulation of cellobiose lipids under nitrogen-limiting conditions by two ustilaginomycetous yeasts, Pseudozyma aphidis and Pseudozyma hubeiensis. FEMS Yeast Res. 2013;13(1):44–9. https://doi.org/10.1111/1567-1364.12005. Article CAS PubMed Google Scholar Morita T, Fukuoka T, Imura T, ...
The desilicated sample was further exchanged with 0.5 M NH4NO3 at 60 °C for 1 h in three consecutive cycles of ion exchange and centrifugation. The final sample after extensive water washing was dried at 80 °C overnight and calcined at 550 °C for 6 h. Ni and Mo were loaded onto ...