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Acid Production - Astrophysics Data System

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Last Updated: 04 December 2022

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Atmospheric Corrosion of Copper by an Acid-Producing Aspergillus versicolor in the Presence of Chloride

The effect of fungi has increasingly been investigated, with microbiologically influenced corrosion of metal parts becoming more widespread, but a complete picture of MIC in an atmospheric environment with thin electrolyte films on metal surfaces remains elusive, particularly in the presence of fungi. Pure copper samples exposed to the air with 0. 01% NaCl thin electrolyte film were inoculated with a suspension of Aspergillus versicolor spores, and copper corrosion effects were rigorously investigated. These organic acids enlarged the corrosion area of the copper surface and increased the risk of atmospheric corrosion, which gave evidence of an acid-producing process of A. versicolor. However, the outer product layer only contained copper carboxylates that accumulated on hyphae, with the increase of corrosion products, the CO 2 and O 2 diffusion from air to the copper surface, and the Cl u2212 diffusion in product layers.

Source link: https://ui.adsabs.harvard.edu/abs/2022JMEP..tmp.1178B/abstract


Efficient Application of Green Synthesized CeO 2 Nanoparticles for the Preparation of Selenoester Derivatives of Protected Amino Acids and Production of Biodiesel from Annona squamosa Oil

Nano-cerium oxide was synthesized via a simple and cost-effective solution combustion route using novel aqueous Brahma leaf extract, Fourier transform infrared spectroscopy, photoluminescence, ultraviolet visible spectroscopy, energy-dispersive x-ray diffraction, transmission electron microscopy, and transmission electron microscopy. In addition, nano-CeO 2 shows high catalytic activity in the biodiesel production from Annona squamosa oil, yielding around 89% biodiesel yield.

Source link: https://ui.adsabs.harvard.edu/abs/2022JEMat..51.3650L/abstract


Review: Efficiency of jasmonic acid in the production of Atropine alkaloids from Hyoscyamus albus L.

While the number of Scopolamine alkaloid was elevated to 1613 g dry weight -1 callus in the treatment prepared with 1. 5 mg. L -1 of JA with a significant and dramatic difference from the lowest amount reported for this alkaloid by 281 g. g dry weight -1 callus for the control therapy without a trace of JA, there was no evidence of JA.

Source link: https://ui.adsabs.harvard.edu/abs/2022AIPC.2394b0043A/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions