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Updated: Jul 6, 2025

Determining the Mechanical Strength of Ultra-Fine-Grained Metals
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在部分减少的尼基酸膜中直接观察强大的表面重建

Chao Yang1, Rebecca Pons2, Wilfried Sigle2

  • 1Max Planck Institute for Solid State Research, Stuttgart, Germany. c.yang@fkf.mpg.de.

Nature communications
|January 8, 2024
PubMed
概括

表面极性显著影响氧化物薄膜. 这项研究揭示了原子水平的结构和电子变化,包括Ni价值变化,与Pr0.8Sr0.2NiO2+x膜中的氧空缺有关.

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Precipitation Gravimetry01:03

Precipitation Gravimetry

Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
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