Results 31 to 40 of about 5,548,462 (338)
Renewable production of ammonia and nitric acid
Decarbonization of the power sector offers ammonia industry an opportunity to reduce its CO 2 emissions through sector coupling. Extending from our previous work, we propose a power-based process for ammonia and nitric acid production.
G. Wang, A. Mitsos, W. Marquardt
semanticscholar +1 more source
Mechanical Properties of Reactive Powder Concrete (RPC) Exposed to Acidic Solutions
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
Optimizing of Synthesis of High Purity HMX Using Polyphosphoric Acid by Response Surface Method [PDF]
1,3,5,7-tetranitro-1,3,5,7-tetraazacyclooctane (HMX) is one of the most powerful explosives of which the purity may have a significant effect on increasing the performance of rocket engines. In this research, the synthesis of high purity HMX is presented
M.A. Zarei+5 more
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Periodic current oscillations of zinc in nitric acid solutions [PDF]
This paper presents current oscillations of a Zn anode in solutions of nitric acid and potassium dichromate. The effects of the nitric acid concentration were investigated.
Crisan Florin, Salló Ervin
doaj +1 more source
A suitable optimized digestion method for lipsticks and powders for the analysis of As, Hg, Cd, Cr, Ni and Pb by Hydride Generation Atomic Absorption Spectrophotometry (HG-AAS), Cold Vapor Atomic Absorption Spectrophotometry (CV-AAS) and Flame Atomic ...
Devika Maharaj+3 more
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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
Oysters are rich in nutrients and can be cultivated in oceans; therefore they have attracted considerable interest as a food source. In this study, we investigated the rapid analysis of multiple minerals in oysters using microwave decomposition combined ...
Tsuyoshi Yoda+2 more
doaj +1 more source
Evaluation of Acid Digestion Procedures to Estimate Mineral Contents in Materials from Animal Trials [PDF]
Rigorously standardized laboratory protocols are essential for meaningful comparison of data from multiple sites. Considering that interactions of minerals with organic matrices may vary depending on the material nature, there could be peculiar demands ...
M. N. N. Palma+3 more
doaj +1 more source
Maghemite (γ-Fe2O3) nanoparticles have been synthesized using a chemical coprecipitation method at different nitric acid concentrations as an oxidizing agent.
Irwan Nurdin+3 more
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