Results 201 to 210 of about 734,348 (361)

Upper and lower bounds for first order expressibility

open access: yes21st Annual Symposium on Foundations of Computer Science (sfcs 1980), 1980
N. Immerman
semanticscholar   +1 more source

Photoswitchable Conductive Metal–Organic Frameworks

open access: yesAdvanced Functional Materials, EarlyView.
A conductive material where the conductivity can be modulated remotely by irradiation with light is presented. It is based on films of conductive metal–organic framework type Cu3(HHTP)2 with embedded photochromic molecules such as azobenzene, diarylethene, spiropyran, and hexaarylbiimidazole in the pores.
Yidong Liu   +5 more
wiley   +1 more source

The association of climate-induced stressors on risk of negative sentiment: An analysis from 462 million geotagged tweets in Europe. [PDF]

open access: yesiScience
Al-Ahdal T   +10 more
europepmc   +1 more source

Tensor Rank: Some Lower and Upper Bounds [PDF]

open access: green, 2011
Boris Alexeev   +5 more
openalex   +1 more source

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

open access: yesAdvanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal   +10 more
wiley   +1 more source

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