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Updated: Jun 21, 2025

Chemical Precipitation Method for the Synthesis of Nb2O5 Modified Bulk Nickel Catalysts with High Specific Surface Area
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Published on: February 19, 2018

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通过聚氧金属酸碎片捕获二氧化碳

Zhiwei Mao1, Mokhtar Rashwan2, Eduard Garrido Ribó1

  • 1Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States.

Journal of the American Chemical Society
|July 8, 2024
PubMed
概括

水性多氧金属酸盐 (POM) 通过碎片化和结合碳酸盐来捕获二氧化碳. 像这样的抗剂提高了这种化学吸收效率,这对于二氧化碳去除技术至关重要.

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Mass Spectrometry: Molecular Fragmentation Overview01:20

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The ionization of a molecule into a molecular ion inside the mass spectrometer causes instability in the molecule's structure due to the loss of an electron. This eventually leads to the fragmentation or breaking of some bonds in the molecule. The fragmentation occurs predominantly at specific bonds to yield relatively stable fragments.
One type of fragmentation pattern is the cleavage of a single bond in the molecular ion. The cleavage leads to a radical and a cation. The cleavage can...
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The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
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