Results 61 to 70 of about 7,938,372 (253)

Analysis of plasmaspheric plumes: CLUSTER and IMAGE observations [PDF]

open access: yesAnnales Geophysicae, 2006
Plasmaspheric plumes have been routinely observed by CLUSTER and IMAGE. The CLUSTER mission provides high time resolution four-point measurements of the plasmasphere near perigee.
F. Darrouzet   +16 more
doaj   +1 more source

Heterotropic regulation and negative homotropic cooperativity

open access: yesFEBS Open Bio, EarlyView.
We identified a structural module common to some proteins that couple negative cooperativity with heterotropic regulation, two features that rarely coexist. These proteins are ring‐like and present an ordered asymmetry whereby noncontacting subunits are symmetric, and their tertiary structure differs from that of contacting subunits.
Veronica Morea   +5 more
wiley   +1 more source

The Apparent Velocity and Acceleration of Relativistically Moving Objects [PDF]

open access: yes, 2011
Although special relativity limits the actual velocity of a particle to the velocity of light, c, the observed velocity need not be the same as the actual velocity, as the observer is only aware of the position of a particle at the time in the past when ...
Martin Houde   +7 more
core   +1 more source

Summary of the relationship between the moving velocity and the density of a crowd.

open access: yes, 2021
Summary of the relationship between the moving velocity and the density of a crowd.
Falong He (11378221)   +4 more
core   +1 more source

Molecular Distribution in the Central Region of M87

open access: yesThe Astrophysical Journal
The central region of M87 has been observed by the Atacama Large Millimeter/submillimeter Array (ALMA) several times to resolve its molecular cloud distribution.
Mahitosh Ray, Chorng-Yuan Hwang
doaj   +1 more source

Design and evaluation of FEBS Education and Training Academy module – Integrating generative artificial intelligence into life‐science education

open access: yesFEBS Open Bio, EarlyView.
Life‐science educators from 14 countries redesigned their own course materials with generative AI in a three‐session, pedagogy‐first FEBS Education and Training Academy workshop built on PICRAT. Among 12 matched respondents, four more reported high confidence in each of five practical domains, and 10 of 13 reported implementing at least one idea ...
Zvonimir Mlinarić, Ali Burak Özkaya
wiley   +1 more source

Rationally engineered polymeric interfaces for selective and dynamic recognition of vesicular agents

open access: yesFEBS Open Bio, EarlyView.
This review explores how molecularly imprinted polymers can be engineered to recognize complex nanoscale vesicles, including extracellular vesicles and membrane‐enveloped viruses. By tailoring polymer cavities to vesicle surface chemistry and structure, these synthetic receptors support selective detection, separation, and integration with optical ...
Özgecan Erdem   +4 more
wiley   +1 more source

Motion Parameter Estimation of Doppler-Ambiguous Moving Targets in SAR-GMTI [PDF]

open access: yes, 2007
In an along-track interferometric SAR system, the discrete sampling of moving target signals can give rise to two types of ambiguity: Doppler ambiguity, and interferometric angle ambiguity.
Sikaneta, Ishuwa, Gabele, Martina
core  

A New Method of Measuring Velocity Profiles using a MultiElectrode Electromagnetic Flow Meter [PDF]

open access: yes, 2010
This paper describes a model of a novel design of electromagnetic flow meter for velocity profile measurement in single phase and multiphase flows with nonuniform axial velocity profiles.
Lucas, Gary, Leeungculsatien, Teerachai
core   +4 more sources

Transverse Motions of Rectangular Plates Resting on Elastic Foundation and Under Concentrated Masses Moving at Varying Velocities

open access: yesLatin American Journal of Solids and Structures
This study concerns the dynamic characteristics of a prestressed isotropic, rectangular plate continuously supported by an elastic foundation and carrying accelerating mass M.
Babatope Omolofe, Sunday Tunbosun Oni
doaj   +1 more source

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