1290 Reactive N emissions from crops and pastures

2016 ◽  
Vol 94 (suppl_5) ◽  
pp. 622-622 ◽  
Author(s):  
C. Wagner-Riddle ◽  
K. Congreves
Keyword(s):  
Reactive N

A Link between Psychopathy Affect and Instrumentality in Homicide

2021 ◽  
pp. 108876792110288
Author(s):  
Ji Seun Sohn ◽  
Adrian Raine ◽  
Young-Oh Hong
Keyword(s):  
Psychopathy Checklist ◽  
Psychopathy Checklist Revised ◽  
Reactive N ◽  
Item Scores

This study tests the hypothesis that psychopathy is more associated with instrumental homicides than mixed and reactive homicides, and explores relationships between Psychopathy Checklist-Revised (PCL-R) facet/item scores and different forms of homicide: instrumental ( n = 130), mixed ( n = 103), and reactive ( n = 219) homicides. Instrumental homicides scored higher on facet 2 ( p < .01) but scored lower on facet 4 ( p < .1) compared to reactive homicides, whereas no facet scores differed between mixed and reactive homicides. Among the items of facet 2 (affective), remorselessness (item 6), and callousness (item 8) were predictive of instrumental homicide.

Reactive n-species Cahn–Hilliard system: A thermodynamically-consistent model for reversible chemical reactions

2019 ◽  
Vol 350 ◽  
pp. 143-154
Author(s):  
S.P. Clavijo ◽  
A.F. Sarmiento ◽  
L.F.R. Espath ◽  
L. Dalcin ◽  
A.M.A. Cortes ◽  
...  
Keyword(s):  
Chemical Reactions ◽  
System A ◽  
Consistent Model ◽  
Reactive N

scholarly journals Spatio-Temporal Variation of Atmospheric Gaseous and Particulate Reactive Nitrogen over Northern India

2021 ◽  
Vol Special Issue (1) ◽  
pp. 53-67
Author(s):  
Manisha Mishra ◽  
Umesh C Kulshrestha
Keyword(s):  
Source Parameters ◽  
Ambient Air ◽  
Water Soluble ◽  
Rural Site ◽  
Urban Site ◽  
Local Source ◽  
Reactive Nitrogen ◽  
Gangetic Plain ◽  
Reactive N ◽  
Spatio Temporal

The present study reports spatio-temporal distribution pattern of major gaseous (NH3 and NO2) and particulate water soluble total nitrogen (pWSTN) in the ambient air to explore the seasonal variation, major interactions and dominating sources. Considering the major hotspot of atmospheric reactive nitrogen (N) emission, three sites in Indo-Gangetic plain (IGP) were selected based on different local source parameters. Results have shown that gas phase reactive N contribute up to 90% of total analyzed reactive N, where NH3 imparted highest at all the three sites. Prayagraj, a fast growing urban site, has shown highest concentrations of NH3 (72.0 μg m−3), followed by Madhupur rural site (57.7 μg m−3) and Delhi, an urban megacity site (35.8 μg m−3). As compared to previous studies conducted at different sites of IGP, NH3 concentrations were reported to be the highest at the former two sites. However, unlike NH3, NO2 levels were recorded lower at Madhupur (3.1 μg m−3) and Prayagraj (9.4 μg m−3) sites as compared to Delhi (13.4 μg m−3). Similarly, pWSTN concentrations were in the order of Madhupur (6.6 μg m−3) < Prayagraj (10.0 μg m−3) < Delhi (10.1 μg m−3). A strong correlation of NO2 with pWSTN at urban sites has shown the crucial role of NO2 in the formation of nitrogenous aerosols. Significant spatial variation can be attributed to varying local emission sources ranging from microbial emission from improper sewage treatment and open waste dumping at Prayagraj, agricultural activities at Madhupur and vehicular exhausts at Delhi site.

Polymerization kinetics of reactive N,N′-bismaleimide-4,4′-diphenylmethane/barbituric acid based microgel particles

2014 ◽  
Vol 597 ◽  
pp. 1-7 ◽  
Author(s):  
Quoc-Thai Pham ◽  
Fu-En Yu ◽  
Jung-Mu Hsu ◽  
Jing-Pin Pan ◽  
Tsung-Hsiung Wang ◽  
...  
Keyword(s):  
Barbituric Acid ◽  
Polymerization Kinetics ◽  
Microgel Particles ◽  
Reactive N ◽  
Kinetics Of

Dietary Patterns and Implications for Reactive N Flows in India

2017 ◽  
pp. 447-458
Author(s):  
T.K. Adhya ◽  
E.J.M. Joy ◽  
S. Agrawal ◽  
M. Tak
Keyword(s):  
Dietary Patterns ◽  
Reactive N

scholarly journals Evidence for the Existence of Autotrophic Nitrate-Reducing Fe(II)-Oxidizing Bacteria in Marine Coastal Sediment

2016 ◽  
Vol 82 (20) ◽  
pp. 6120-6131 ◽  
Author(s):  
Katja Laufer ◽  
Hans Røy ◽  
Bo Barker Jørgensen ◽  
Andreas Kappler
Keyword(s):  
Marine Sediments ◽  
Nitrate Reduction ◽  
Side Reactions ◽  
Stoichiometric Ratio ◽  
Coastal Marine Sediments ◽  
Coastal Marine ◽  
Pure Cultures ◽  
Reactive N ◽  
Reducing Activity ◽  
First Time

ABSTRACTNitrate-reducing Fe(II)-oxidizing microorganisms were described for the first time ca. 20 years ago. Most pure cultures of nitrate-reducing Fe(II) oxidizers can oxidize Fe(II) only under mixotrophic conditions, i.e., when an organic cosubstrate is provided. A small number of nitrate-reducing Fe(II)-oxidizing cultures have been proposed to grow autotrophically, but unambiguous evidence for autotrophy has not always been provided. Thus, it is still unclear whether or to what extent Fe(II) oxidation coupled to nitrate reduction is an enzymatically catalyzed and energy-yielding autotrophic process or whether Fe(II) is abiotically oxidized by nitrite from heterotrophic nitrate reduction. The aim of the present study was to find evidence for the existence of autotrophic nitrate-reducing Fe(II) oxidizers in coastal marine sediments. Microcosm incubations showed that with increasing incubation times, the stoichiometric ratio of reduced nitrate/oxidized Fe(II) [NO3−reduced/Fe(II)oxidized] decreased, indicating a decreasing contribution of heterotrophic denitrification and/or an increasing contribution of autotrophic nitrate-reducing Fe(II) oxidation over time. After incubations of sediment slurries for >10 weeks, nitrate-reducing activity ceased, although nitrate was still present. This suggests that heterotrophic nitrate reduction had ceased due to the depletion of readily available organic carbon. However, after the addition of Fe(II) to these batch incubation mixtures, the nitrate-reducing activity resumed, and Fe(II) was oxidized, indicating the activity of autotrophic nitrate-reducing Fe(II) oxidizers. The concurrent reduction of14C-labeled bicarbonate concentrations unambiguously proved that autotrophic C fixation occurred during Fe(II) oxidation and nitrate reduction. Our results clearly demonstrated that autotrophic nitrate-reducing Fe(II)-oxidizing bacteria were present in the investigated coastal marine sediments.IMPORTANCETwenty years after the discovery of nitrate-reducing Fe(II) oxidizers, it is still controversially discussed whether autotrophic nitrate-reducing Fe(II)-oxidizing microorganisms exist and to what extent Fe(II) oxidation in this reduction/oxidation process is enzymatically catalyzed or which role abiotic side reactions of Fe(II) with reactive N species play. Most pure cultures of nitrate-reducing Fe(II) oxidizers are mixotrophic; i.e., they need an organic cosubstrate to maintain their activity over several cultural transfers. For the few existing autotrophic isolates and enrichment cultures, either the mechanism of nitrate-reducing Fe(II) oxidation is not known or evidence for their autotrophic lifestyle is controversial. In the present study, we provide evidence for the existence of autotrophic nitrate-reducing Fe(II) oxidizers in coastal marine sediments. The evidence is based on stoichiometries of nitrate reduction and Fe(II) oxidation determined in microcosm incubations and the incorporation of carbon from CO2under conditions that favor the activity of nitrate-reducing Fe(II) oxidizers.

scholarly journals Room temperature synthesis of non-isocyanate polyurethanes (NIPUs) using highly reactive N-substituted 8-membered cyclic carbonates

2016 ◽  
Vol 7 (11) ◽  
pp. 2105-2111 ◽  
Author(s):  
Alexander Yuen ◽  
Amaury Bossion ◽  
Enrique Gómez-Bengoa ◽  
Fernando Ruipérez ◽  
Mehmet Isik ◽  
...  
Keyword(s):  
Room Temperature ◽  
Cyclic Carbonates ◽  
Temperature Synthesis ◽  
Room Temperature Synthesis ◽  
Catalyst Free ◽  
Temperature Conditions ◽  
Reactive N

Non-isocyanate polyurethanes (NIPUs) were prepared via polyaddition of highly reactive 8-membered ‘bis-cyclic’ carbonates and various diamines under catalyst-free and room temperature conditions.

Organic-inorganic cross-linked structures prepared from reactive n-butyl methacrylate-3-(trimethoxysilyl)propyl methacrylate copolymers

2007 ◽  
Vol 80 (1) ◽  
pp. 93-101 ◽  
Author(s):  
V. N. Pavlyuchenko ◽  
O. V. Sorochinskaya ◽  
S. Ya. Khaikin ◽  
S. P. Fedorov ◽  
E. A. Sosnov ◽  
...  
Keyword(s):  
Butyl Methacrylate ◽  
Propyl Methacrylate ◽  
Methacrylate Copolymers ◽  
Reactive N
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