In this review the complex relationships between nitrogen content and nitrogen precursor amount, KOH ... However, it is difficult to obtain nitrogen-doped carbon materials with both high porosity and high nitrogen ... However, too high amounts of the nitrogen precursor generate an excess of nitrogen which blocks the pore
nitrogen, as nitrogen redistribution from nutrients, including leaves, is the main source of nitrogen ... In addition, the nitrogen that remains due to the inability of the crops to absorb all nitrogen injected ... to improve the efficiency of nitrogen utilization, the amount of nitrogen fertilizer needed for crop
In this article, nitrogen (N) doped porous carbon nanofibers (N-PCNF) were prepared by carbonization ... surface characterization with X-ray photoelectron spectroscopy (XPS) that the surface of the PCNF was nitrogen-doped
Thermal reduction of graphite oxide (GO) is considered as a prospective method for the preparation of high-performance graphene-based materials. Howe..
Nitrogen and phosphorous dual-doped carbon nanotubes (N,P/CNT) have been grown in a single-step direct ... For comparison, pristine nanotubes, nitrogen and phosphorous individually doped nanotubes were also prepared
Finally, as the nitrogen fertilization levels increased, the nitrate nitrogen content was significantly ... The aim of this study was to investigate dry matter productivity and nitrate nitrogen content in the ... Shirohie) was used for the test, and the different treatments with nitrogen fertilizer were as follows
Nitrogen-doped carbon nanosheets with a developed porous structure were prepared from polyurethane foams ... Moreover, amino groups and carboxyl groups in the nitrogen-doped carbon nanosheet played important roles ... magnetic resonance (NMR) spectra and X-ray photoelectron spectroscopy were used to characterize the nitrogen-doped
The nitrogen-decorated carbon dots (NCDs) were prepared by a simple hydrothermal synthesis of citric ... Nitrogen atoms were then added to the carbon dots structure to intensify high-frequency phonon that would
HNI without supplemental nitrogen reduced midday An. ... However, HNI with supplemental nitrogen increased midday An. ... To investigate the photosynthesis and growth of Cymbidium ‘Red Fire’ grown under different nitrogen
with a specific surface area of 1520 m2 g− 1 and a nitrogen content of 6.47%. ... Self-doped nitrogen porous carbon ZPDC-T was then prepared by one-step carbonization. ... are network-like frameworks composed of transition metals and organic ligands containing oxygen or nitrogen
Nitrate-nitrogen is an indicator of artificial pollution. ... In this study, the hydrochemical characteristics and nitrate-nitrogen pollution of shallow groundwater ... an increased concentration of nitrate-nitrogen in the dry season compared to the rainy season.
The second generation of stars in the globular clusters (GCs) of the Milky Way (MW) exhibit unusually high N, Na, or Al, compared to typical Galactic..
This paper introduces a nitrogen-doped ordered mesoporous carbon (NOMC) derived from glucosamine with ... The nitrogen doping content of the fabricated NOMC reached 7.4 at% while its specific surface area (SBET ... pseudocapacitance as well as the enhanced wettability and conductivity due to the incorporation of nitrogen
The objective of this study was to quantify and characterize the inorganic nitrogen and phosphorus outflow ... The downward curve increased slightly with additional nitrogen fertilization at the panicle initiation ... irrigation water was 28.5% than that of conventional water management treatments, and the amount of nitrogen
Lead sulfide ( PbS ) nanocrystals anchored on nitrogen-doped multiwalled carbon nanotubes ( CNx ) have ... The nitrogen-doped CNTs acts as binding sites for the PbS clusters as ab initio theoretical study suggests