Results 61 to 70 of about 17,807,427 (330)

SPATIAL STRUCTURE OF INTERNET-TRAFIC CONSUMPTION IN THE MTS NETWORK IN A LARGE CITY (BASED ON KRASNODAR DATA)

open access: yesInterCarto. InterGIS, 2015
For the first time based on the developed technique the authors studied the spatial structure of consumption of the Internet traffic in the MTS network in the territory of a large city - Krasnodar.
A. V. Pogorelov   +2 more
doaj   +1 more source

Apamin structure and pharmacology revisited

open access: yesFrontiers in Pharmacology, 2022
Apamin is often cited as one of the few substances selectively acting on small-conductance Ca2+-activated potassium channels (KCa2). However, published pharmacological and structural data remain controversial.
Alexey I. Kuzmenkov   +12 more
doaj   +1 more source

Spatial structure of Cooper pairs in nuclei

open access: yes, 2012
We discuss the spatial structure of the Cooper pair in dilute neutron matter and neutron-rich nuclei by means of the BCS theory and the Skyrme-Hartree-Fock-Bogioliubov model, respectively.
Matsuo, Masayuki
core   +1 more source

Automatic Reconstruction of Fault Networks from Seismicity Catalogs: 3D Optimal Anisotropic Dynamic Clustering [PDF]

open access: yes, 2007
We propose a new pattern recognition method that is able to reconstruct the 3D structure of the active part of a fault network using the spatial location of earthquakes.
Bhattacharya   +36 more
core   +3 more sources

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Random mobility and spatial structure often enhance cooperation

open access: yes, 2008
The effects of an unconditional move rule in the spatial Prisoner's Dilemma, Snowdrift and Stag Hunt games are studied. Spatial structure by itself is known to modify the outcome of many games when compared with a randomly mixed population, sometimes ...
Aktipis   +33 more
core   +1 more source

The spatial structure of networks [PDF]

open access: yes, 2004
We study networks that connect points in geographic space, such as transportation networks and the Internet. We find that there are strong signatures in these networks of topography and use patterns, giving the networks shapes that are quite distinct ...
Gastner, Michael T., Newman, M. E. J.
core   +3 more sources

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Unsupervised Emergence of Egocentric Spatial Structure from Sensorimotor Prediction [PDF]

open access: yes, 2019
Despite its omnipresence in robotics application, the nature of spatial knowledgeand the mechanisms that underlie its emergence in autonomous agents are stillpoorly understood. Recent theoretical works suggest that the Euclidean structure ofspace induces
Garcia Ortiz, M., Laflaquiere, A.
core   +1 more source

Theoretical investigation of moir\'e patterns in quantum images

open access: yes, 2005
Moir\'e patterns are produced when two periodic structures with different spatial frequencies are superposed. The transmission of the resulting structure gives rise to spatial beatings which are called moir\'e fringes.
Almeida, M. P.   +3 more
core   +1 more source

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