Results 11 to 20 of about 3,205,015 (299)

Progress of electrochemical Synthesis of Nitric Acid: Catalyst Design-Mechanistic insights-Protocol-Challenges [PDF]

open access: yes, 2022
Nitrogen-based fertilizers are necessary to increase the agricultural output since nitrogen is the most frequent rate-limiting product. The main ingredients in almost all nitrogen-based fertilizers are ammonia and nitric acid; demand for these substances
Sourav , Paul   +2 more
core   +1 more source

Dephosphorization of Nitric Acid Solutions from the Leaching of Monazite Ferrous Ores under Hydrothermal Conditions [PDF]

open access: yes, 2022
The precipitation of phosphoric acid from nitric acid solutions in the presence of iron(3+) oxides and hydroxyoxides under hydrothermal conditions was studied.
Marina, Leskiv   +4 more
core   +1 more source

The hydrolysis of hydroxamic acid complexants in the presence of non-oxidizing metal ions 2: Neptunium (IV) ions. [PDF]

open access: yes, 2008
Hydroxamic acids are salt free, organic compounds with affinities for cations such as Fe3+, Np4+ and Pu4+, and have been identified as suitable reagents for the control of Pu and Np in advanced nuclear fuel reprocessing. The results of a UV-visible, near-
Boxall, C.   +3 more
core   +5 more sources

Electrocatalytic Oxidation of Dinitrogen to Nitric Acid via Direct Ten–Electron Transfer Using Manganese Phthalocyanine [PDF]

open access: yes, 2022
Ammonia produced through the energy intensive Haber–Bosch process, undergoes catalytic oxidation for the manufacture of commercial nitric acid in the age–old Ostwald process.
Biswajit , Ghorai   +6 more
core   +1 more source

Fat transforms ascorbic acid from inhibiting to promoting acid-catalysed N-nitrosation [PDF]

open access: yes, 2007
<b>Background</b>: The major potential site of acid nitrosation is the proximal stomach, an anatomical site prone to a rising incidence of metaplasia and adenocarcinoma.
Paterson, S.   +7 more
core   +1 more source

The utilization demineralized rice husk waste for biofuel source via pyrolysis: thermogravimetric analysis and kinetic study [PDF]

open access: yesMATEC Web of Conferences, 2019
Rice husk is considered as agricultural waste that causes environmental problem during its handling. In this study, rice husk was treated with acid (citric acid and nitric acid) solutions prior used as raw material for producing biofuel and chemicals via
Wijayanti Hesti   +2 more
doaj   +1 more source

Nitric oxide sensing in plants is mediated by proteolytic control of group VII ERF transcription factors [PDF]

open access: yes, 2014
Nitric oxide (NO) is an important signaling compound in prokaryotes and eukaryotes. In plants, NO regulates critical developmental transitions and stress responses.
Coego, Alberto   +66 more
core   +1 more source

Mechanical Properties of Reactive Powder Concrete (RPC) Exposed to Acidic Solutions

open access: yesTikrit Journal of Engineering Sciences, 2022
This research work includes an experimental investigation to study the mechanical properties of reactive powder concrete (RPC) exposed to acidic solutions.
Ali H. Ali, Ahmed K. Ibrahim
doaj   +1 more source

AN EXPERIMENTAL INVESTIGATION FOR THE SYNTHESIS OF OXALIC ACID BY NITRIC ACID OXIDATION OF DATES FRUIT AND SYRUP

open access: yesJournal of Engineering, 2003
An experimental investigation was conducted to study the various parameters affecting the production of oxalic acid by the action of concentrated nitric acid on carbohydrates. Two feedstocks were studied, viz., dates fruit and dates syrup.
Harith N. Al-Rawi   +2 more
doaj   +1 more source

ANALYSIS OF NITRIC ACID [PDF]

open access: yesSchool Science and Mathematics, 1905
n ...
openaire   +1 more source

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