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2 103 (0,131s) •

Result

Heterogeneous reactions between ions NH3+and NH+andhydrocarbons adsorbed on a tungsten surface.Formation of HCN+in NH+-surface hydrocarbon collisions

tInteraction of NH3+(ND3+) and NH+with a hydrocarbon-covered tungsten surface between the projectile ion and hydrocarbonsadsorbed on the tungsten surface. Collisions with NH3+showed formation of NH4+, HCNH+, and CH...

CF - Fyzikální chemie a teoretická chemie

  • 2015
    • •
  • Jx
    • •
  • Link
Result

Reaction of NH+, NH2+, and NH3+ ions with H-2 at low temperatures The pathway to ammonia production in the interstellar medium

of NH+, NH2+, and NH3+ ions with H-2 at temperatures relevant for interstellar. The reaction of NH+ with H-2 has two channels, which lead to NH2+ (similar to 97%) and H-3(+)(similar to 3%) with nearly constant reaction rat...

Fluids and plasma physics (including surface physics)

  • 2019
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  • Jimp
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  • Link
Result

Generation of ammonia in a pulsed hollow cathode discharge operated in an Ar/H2/N2 gas mixture detected by Fourier transform infrared

in an Ar/H2/N2 gas mixture. Optical emission spectroscopy revealed the formation of NH radicals, which serve as precursors for NH3 formation. Ion mass spectrometry showed the formation of NH3+ and NH4+ ions indicating ...

Physical chemistry

  • 2024
    • •
  • Jimp
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  • Link
Result

Assesment methods for ammonia hot-spot

To date, most attention in modelling NH3 dispersion and deposition has focused on the regional and European scale, and little attention has been given to dealing with NH3 at different scales. Review current modelling methods for acc...

CF - Fyzikální chemie a teoretická chemie

  • 2009
    • •
  • C
Result

Quasi-planar B(36)boron cluster: a new potential basis for ammonia detection

Detection of NH(3)at a trace level is nowadays of great importance. Here, we investigate the reactivity and sensitivity of a B(36)borophene toward NH(3)gas employing strongly depends on the orientation of NH(3)relative to t...

Physical chemistry

  • 2020
    • •
  • Jimp
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  • Link
Result

High-resolution Hybrid Inversion of IASI Ammonia Columns to Constrain US Ammonia Emissions Using the CMAQ Adjoint Model

in simulated ambient NH3 concentration in all 3 months and reduced underestimation in NH+4Ammonia (NH3) emissions have large impacts on air quality and nitrogen uncertainties exist in the “bottom-up” NH3 emission ...

Meteorology and atmospheric sciences

  • 2021
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  • Jimp
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  • Link
Result

A bromine analogue of picoplatin: a new substance from the group of platinum-based chemotherapeutics

A new substance, cis-amminedibromido(2-methylpyridine-N)platinum(II), cis-[PtBr2(C6H7N)(NH3)], which is a potential platinum-based antineoplastic agent symmetry-independent NH...Br hydrogen bonds into zigzag chains running parallel ...

CC - Organická chemie

  • 2013
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  • Jx
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  • Link
Result

Synthesis of Ammonium- and 4-Dimethylaminopyridinium Amidofluorophosphates and Crystal Structure of [DMAPH][PO2F(NH2)]

with stechiometric amount of NH3 yields [DMAPH][PO2F(NH2)]. The crystal structure of the latter [PO2F(NH2)]- are linked to infinite chains by double NH...O bridges. Additional. The formationof a new betaine NH3.PO2F in the...

CA - Anorganická chemie

  • 2003
    • •
  • Jx
Result

Atomic Layer Deposition of AlN Using Tris(diethylamido)aluminum with Ammonia or Hydrazine

(NH3) or hydrazine (N2H4). Two different nitrogen sources were used to conduct comparative study AlN ALD using TDEAA/NH3 and TDEAA/N2H4. For these two systems that surface reactions between TDEAA and NH3 or N2H 4 are self-...

Condensed matter physics (including formerly solid state physics, supercond.)

  • 2018
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  • JSC
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  • Link
Result

Forensic and clinical issues in the use of frangible projectile

This article describes the design and function of frangible projectiles, and describes gunshot wounds caused by ultra-frangible projectiles which fragment after that differences in the geometry and technology of frangible projec...

KA - Vojenství

  • 2013
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  • Jx
    • •
  • Link
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