Results 11 to 20 of about 449,412 (331)
Analytical Science Advances, 2023 Ammonium fluoride has been shown to improve sensitivity when using electrospray ionization (ESI) coupled with mass spectrometry (MS). Recent internal investigation furthered that claim, through the observation of improved sensitivity when analyzing ...
Jeremy Ryan McFadden, David Michael Ames
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Crystals, 2020 The synthesis of YBa2Cu3O7−x (YBCO or 123) superconductor was carried out under hyper- and hypo-eutectic conditions with different ammonium compounds, i.e., ammonium nitrate, formate, acetate, carbonate, bicarbonate, and tetramethylammonium nitrate.
Omar Gómez Rojas +2 more
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Development of novel effective agents from 1H-indolylammonium trifluoroacetates effective against conditionally pathogenic microorganisms [PDF]
Research Results in Pharmacology, 2022 Introduction: The problem of antibiotic resistance of microorganisms is becoming more urgent in the twenty-first century. More and more pathogenic microbes are becoming resistant to two or more antibiotics. This problem has become worse into the COVID-19
Irina S. Stepanenko +4 more
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Hygroscopicity of organic compounds from biomass burning and their influence on the water uptake of mixed organic ammonium sulfate aerosols [PDF]
Atmospheric Chemistry and Physics, 2014 Hygroscopic behavior of organic compounds, including levoglucosan, 4-hydroxybenzoic acid, and humic acid, as well as their effects on the hygroscopic properties of ammonium sulfate (AS) in internally mixed particles are studied by a hygroscopicity tandem
T. Lei +4 more
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Vestnik MGTU, 2023 Wastewater contamination by nitrogen compounds is a serious problem for the mining, industrial and utility companies. Nitrogen can enter quarry effluent when explosives containing ammonium nitrate are used in blasting operations.
Shcheglov G. A.
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Ammonium toxicity and potassium limitation in yeast. [PDF]
PLoS Biology, 2006 DNA microarray analysis of gene expression in steady-state chemostat cultures limited for potassium revealed a surprising connection between potassium and ammonium: potassium limits growth only when ammonium is the nitrogen source.
David C Hess +3 more
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Diquaternary Ammonium Compounds in Zeolite Synthesis: Cyclic and Polycyclic N-Heterocycles Connected by Methylene Chains [PDF]
, 2009 An additional dimension has been added to our long-standing studies in high silica zeolite synthesis via a guest/host synergism. We have created and studied the impact of making symmetric diquaternary ammonium compounds, by varying the chain length ...
Burton, Allen W. +3 more
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Romanian Journal of Ecology & Environmental Chemistry, 2022 As groundwater is used as a source of drinking water, monitoring its quality is essential due to possible adverse effects on human health. Nitrogen compounds (nitrates, nitrites, ammonia) within certain concentration limits are natural components of the ...
Nicoleta Vasilache +8 more
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Modeling the gas-particle partitioning of secondary organic aerosol: the importance of liquid-liquid phase separation [PDF]
, 2012 The partitioning of semivolatile organic compounds between the gas phase and aerosol particles is an important source of secondary organic aerosol (SOA).
Seinfeld, J. H., Zuend, A.
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Complexing additives to reduce the immiscible phase formed in the hybrid ZnBr2 flow battery [PDF]
, 2017 The zinc-bromine redox flow battery (RFB) is one of a very few commercially viable RFB energy storage system capable of integration with intermittent renewable energy sources to deliver improved energy management.
Berlouis, L. +4 more
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