Concentrations of nitrogen compounds are related to severe rhinovirus infection in infants. A time‐series analysis from the reference area of a pediatric university hospital in Barcelona
Sign Up to like & getrecommendations! Published in 2022 at "Pediatric Pulmonology"
DOI: 10.1002/ppul.26021
Abstract: There is scarce information focused on the effect of weather conditions and air pollution on specific acute viral respiratory infections, such as rhinovirus (RV), with a wide clinical spectrum of severity. read more here.
Keywords: nitrogen compounds; severe rhinovirus; compounds related; concentrations nitrogen ... See more keywords
Phosphorus–nitrogen compounds: part 75—design, synthesis, stereogenic and conformational properties of chiral dispiro(N/N)cyclotriphosphazenes: structural analysis and photophysical and bioactivity studies
Sign Up to like & getrecommendations! Published in 2024 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-024-05285-7
Abstract: Multiheterocyclic inorganic–organic hybrid phosphazenes have robust inorganic ring systems with the stabilities of the phosphorus nitrogen skeleton and many different substituents bonded to the P atoms. In present study, unsymmetrical dispirocyclotriphosphazenes were prepared due to… read more here.
Keywords: carbazolyl; compounds part; part design; cis trans ... See more keywords
Effects of co-existing nitrogen compounds and polycyclic aromatic hydrocarbons on catalytic oxidative desulfurization of refractory sulfur compounds in middle distillates
Sign Up to like & getrecommendations! Published in 2020 at "Catalysis Today"
DOI: 10.1016/j.cattod.2020.07.037
Abstract: Abstract Effects of co-existing nitrogen compounds and polycyclic aromatic hydrocarbons (PAH) on oxidative desulfurization (ODS) of middle distillates with cumene hydroperoxide over a MoO3/Al2O3 catalyst were quantitatively studied by using three different feedstocks with different… read more here.
Keywords: nitrogen; nitrogen compounds; existing nitrogen; compounds polycyclic ... See more keywords
Contrasting sources and fate of nitrogen compounds in different groundwater systems in the Central Yangtze River Basin.
Sign Up to like & getrecommendations! Published in 2021 at "Environmental pollution"
DOI: 10.1016/j.envpol.2021.118119
Abstract: Although groundwater nitrogen pollution has been widely studied, the control of hydrogeological conditions on behavior of nitrogen compounds has been poorly understood. In this study, multiple stable isotopes (N/C/H/O), spectral characteristics of DOM coupled with… read more here.
Keywords: nitrogen compounds; groundwater; yangtze river; aquifer ... See more keywords
Characterization of basic nitrogen compounds isolated with FeCl3 in vacuum gas oil and its hydrotreated product
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2019.116523
Abstract: Abstract The basic nitrogen compounds in petroleum are harmful heteroaromatic compounds, which would substantially affect the refining process and the quality of the resultant products. Obtaining comprehensive molecular information of the basic nitrogen compounds is… read more here.
Keywords: gas oil; nitrogen compounds; basic nitrogen; vacuum gas ... See more keywords
Effect of organic nitrogen compounds on deep hydrodesulfurization of middle distillate
Sign Up to like & getrecommendations! Published in 2018 at "Fuel Processing Technology"
DOI: 10.1016/j.fuproc.2018.04.014
Abstract: Abstract An effect of organic nitrogen compounds on deep hydrodesulfurization catalyst (CoMo/Al2O3) has been carried out using micro-flow reactor at 5 MPa hydrogen pressure, 1.5 h−1 liquid hours space velocity, and 330 to 380 °C temperature. The experiments… read more here.
Keywords: nitrogen; nitrogen compounds; organic nitrogen; compounds deep ... See more keywords
Deep adsorptive desulfurization over ion-exchanged zeolites: Individual and simultaneous effect of aromatic and nitrogen compounds
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.119291
Abstract: Abstract The presence of aromatics and nitrogen compounds in petroleum fuel has a strong inhibiting impact on deep adsorptive desulfurization (ADS). This work aimed to clarify the individual and simultaneous effect of these compounds on… read more here.
Keywords: nitrogen compounds; adsorptive desulfurization; individual simultaneous; simultaneous effect ... See more keywords
Evaluation of Adsorbent Materials for the Removal of Nitrogen Compounds in Vacuum Gas Oil by Positive and Negative Electrospray Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2017 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.6b02566
Abstract: The purpose of this research is to evaluate, at a molecular level, the removal of nitrogen compounds from vacuum gas oil (VGO), which is used as feedstock for fluid catalytic cracking units. Here, a VGO… read more here.
Keywords: nitrogen compounds; vacuum gas; compounds vacuum; gas oil ... See more keywords
Speciation of Basic Nitrogen Compounds in Gas Oils and Vacuum Gas Oils by Derivatization with BF3 prior to NMR Analysis
Sign Up to like & getrecommendations! Published in 2017 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.7b01915
Abstract: Nitrogen-containing compounds, present in gas oils (GO) or vacuum gas oils (VGO) cuts, affect many of the important petroleum processes such as hydrocracking and hydrotreating due to their nucleophilic character. Basic nitrogen compounds, which can… read more here.
Keywords: nitrogen; nitrogen compounds; basic nitrogen; gas oils ... See more keywords
Doping Engineering of Single-Walled Carbon Nanotubes by Nitrogen Compounds Using Basicity and Alignment
Sign Up to like & getrecommendations! Published in 2022 at "ACS Applied Materials & Interfaces"
DOI: 10.1021/acsami.2c00970
Abstract: Charge transport properties in single-walled carbon nanotubes (SWCNTs) can be significantly modified through doping, tuning their electrical and thermoelectric properties. In our study, we used more than 40 nitrogen-bearing compounds as dopants and determined their… read more here.
Keywords: nitrogen compounds; carbon nanotubes; doping engineering; single walled ... See more keywords
Phosphorus-nitrogen Compounds. Part 73. Dispiromono and Dispirobicyclotetraphosphazene Derivatives: Syntheses, Spectroscopic, Crystallographic and Thermal Studies
Sign Up to like & getrecommendations! Published in 2024 at "New Journal of Chemistry"
DOI: 10.1039/d4nj00569d
Abstract: Reactions of octachlorocyclotetraphosphazene (OCCP), N4P4Cl8 (1) with two equimolar amounts of N-ethyl-N′-(4-fluorobenzyl)-1,2-diaminoethane (L1) gave the trans-monocyclic-(2) and cis-monocyclic-(3) bis(ethyl-4-fluorobenzylspiro)cyclotetraphosphazenes. The trans-monocyclic-bis-(2) was reacted separately with excess n-propyl and iso-propylamines to... read more here.
Keywords: dispiromono dispirobicyclotetraphosphazene; compounds part; part dispiromono; nitrogen compounds ... See more keywords