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Fluxional Bonds in Planar B19, Tubular Ta@B20, and Cage‐Like B39

Journal of Computational Chemistry, 2018
Based on detailed bonding analyses on the fluxional behaviors of planar B19−, tubular Ta@B20−, and cage‐like B39−, we propose the concept of fluxional bonds in boron nanoclusters as an extension of the classical localized bonds and delocalized bonds in chemistry. © 2018 Wiley Periodicals, Inc.
Miao Yan   +6 more
openaire   +2 more sources

Redox and acidic properties of chalcogenido-substituted mixed-metal polyoxoanions: a DFT study of α-[PW11O39ME]4− (M = Nb, Ta; E = O, S, Se)

Inorganic Chemistry Frontiers, 2015
Substitution of one O atom by S and Se atoms in POMs enhances the redox and acidic properties.
Cai Xia Wu   +3 more
openaire   +1 more source

Passage nr. 53: ta' 8 3/4

2005
ta' var et tidsskrift. ta' udkom med 8 numre i 1967 og 1968. ta' gik på tværs af kunstarterne. ta' indeholdt artikler om litteratur, billedkunst, musik og populærkultur. ta' satte dagsordenen i kunst- og kulturdebatten. ta' var det sted, ord som attituderelativisme og postmodernisme første gang kunne læses på dansk. ta' blev
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Pathology case of the month. 39-year-old woman with abdominal pain and weight loss. Takayasu's arteritis (TA).

The Journal of the Louisiana State Medical Society : official organ of the Louisiana State Medical Society, 2004
A 39-year-old white woman presented with a history of aortoiliac occlusive disease diagnosed in 1992 attributed to oral contraceptive use. Shortly thereafter, aortoiliac replacement was performed. Mild hyperlipidemia was diagnosed in 2001. At the current clinic visit, she presented to her primary care physician with a 3-month history of postprandial ...
Kishorkumar A, Desai   +7 more
openaire   +1 more source

Green micro total analysis systems (GμTAS) for environmental samples

Trends in Environmental Analytical Chemistry, 2021
Rustem Kecili   +1 more
exaly  

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