Results 101 to 110 of about 1,125,486 (341)
Evaluation of concrete mechanical strength through porosity
Materiales de Construccion, 2004 The increasing on voids or pores in any material - if the rest of characteristics remains equal -always causes a decrease in their mechanical strength since the ratio volume/resistant mass is lower Following all these fact a well known conclusion rises ...
M. Olivares +3 more
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Proyecciones (Antofagasta)We give a characterization in terms of the transpose operator for a continuous linear operator between locally convex spaces to map bounded sets into relatively weakly compact [relatively compact, precompact] sets. Our results give a known characterization for compact operators between Banach spaces.
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Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer
FEBS Letters, EarlyView.Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani +4 more
wiley +1 more source
Compactness of commutators of fractional integral operators on ball Banach function spaces
AIMS MathematicsLet $ 0 < \alpha < n $ and $ b $ be a locally integrable function. In this paper, we obtain the characterization of compactness of the iterated commutator $ (T_{\Omega, \alpha})_{b}^{m} $ generated by the function $ b $ and the fractional integral ...
Heng Yang, Jiang Zhou
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Compactness and local compactness in hyperspaces
Topology and its Applications, 2002 In their interesting paper the authors treat compactness and relative compactness of subsets of hyperspaces, where the hyperspaces are considered to be equipped with the Vietoris, the Wijsman and partly the Hausdorff metric topology. Included in the paper are also characterizations of local compactness with respect to the mentioned hyperspace ...
COSTANTINI, Camillo, S. LEVI, J. PELANT
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Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing
FEBS Letters, EarlyView.Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley +1 more source
Revista Brasileira de Ciência do Solo, 2004 O uso intensivo do solo, aliado a condições inadequadas de manejo, concorre para a deterioração de suas propriedades físicas e isso se deve, principalmente, às modificações em sua estrutura.
N. Olszevski +5 more
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Modification Tests to Optimize Compaction Quality Control of Granite Rockfill in Highway Embankments [PDF]
, 2020 Evelio Teijón-López-Zuazo +3 more
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, 2018 The compact-table propagator for table constraints appears to be a strong candidate for inclusion into any constraint solver due to its efficiency and simplicity. However, successful integration into a constraint solver based on copying rather than trailing is not obvious: while the underlying bit-set data structure is sparse for efficiency it is not ...
Ingmar, Linnea, Schulte, Christian
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On Countable Compactness and Sequential Compactness [PDF]
Proceedings of the American Mathematical Society, 1984 If a countably compact T 3 {T_3} space X X can be expressed as a union of less then c c many first countable subspaces, then MA implies that X X is sequentially compact.
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