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通过连续超临界热流过程合成的高氧化物纳米粒子

Shota Hanabata1, Kohei Kusada1,2, Tomokazu Yamamoto3

  • 1Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan.

Journal of the American Chemical Society
|December 28, 2023
PubMed
概括

研究人员开发了一种新的快速方法,用10种金属元素制造高氧化物纳米粒子 (HEO NPs). 这些独特的HEO NPs显示出对CO氧化具有卓越的催化活性.

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Nuclear Overhauser Enhancement (NOE)01:06

Nuclear Overhauser Enhancement (NOE)

Irradiation of a spin-active nucleus causes an increase or decrease in the signal intensity of neighboring nuclei that are not necessarily chemically bonded or involved in J-coupling. This phenomenon, called the nuclear Overhauser enhancement (NOE), results from through-space interactions between the nuclear spins. The NOE effect decreases with increasing internuclear distance and is generally not observed beyond 4 angstroms. In NOE, dipole-dipole interactions between neighboring spin-active...
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