Results 61 to 70 of about 2,492,535 (278)

Design and Vibration Characteristic Analysis of Piezoelectric Micro Oil-Supply Device

Applied Sciences
In response to the lubrication failure problem during spacecraft operation, new requirements have been put forward for micro, precise, and dynamically adjustable lubrication and oil-supply technology for its key moving components. This article charts the
Zhaoliang Dou, Jianfang Da, Gang Zhou, Shaohua Zhang, Lu Gao, Fengbin Liu   +5 more
doaj   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

FEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka, Yuxi Liu, Stefano Maggi, Debnath Ghosal, Jue Wang, Prashant P. Damke, Stephen D. Carter, Wei Zhao, Sukhithasri Vijayrajratnam, Joseph P. Vogel, Carrie L. Shaffer, Grant J. Jensen   +11 more
wiley   +1 more source

Rotation- and temperature-dependence of stellar latitudinal differential rotation

, 2005
More than 600 high resolution spectra of stars with spectral type F and later were obtained in order to search for signatures of differential rotation in line profiles.
Reiners, Ansgar
core   +1 more source

First CMB Constraints on Direction-Dependent Cosmological Birefringence from WMAP-7 [PDF]

, 2012
A Chern-Simons coupling of a new scalar field to electromagnetism may give rise to cosmological birefringence, a rotation of the linear polarization of electromagnetic waves as they propagate over cosmological distances.
Gluscevic, Vera, Hanson, Duncan, Hirata, Christopher M., Kamionkowski, Marc   +3 more
core   +2 more sources

Propagation of waves in an incompressible rotating transversely isotropic nonlocal elastic solid

Vietnam Journal of Mechanics, 2021
In this paper, the nonlocal elasticity theory is applied to study the propagation of plane wave and Rayleigh-type surface wave in an incompressible, rotating and transversely isotropic material.
Baljeet Singh
doaj   +1 more source

Cell wall target fragment discovery using a low‐cost, minimal fragment library

FEBS Letters, EarlyView.
LoCoFrag100 is a fragment library made up of 100 different compounds. Similarity between the fragments is minimized and 10 different fragments are mixed into a single cocktail, which is soaked to protein crystals. These crystals are analysed by X‐ray crystallography, revealing the binding modes of the bound fragment ligands.
Kaizhou Yan, Mathew Stanley, Olawale Raimi, Andrew T. Ferenbach, Helge C Dorfmueller, Daan M. F. van Aalten   +5 more
wiley   +1 more source

Gregory-Laflamme instability of a slowly rotating black string

, 2011
We study the Gregory-Laflamme instability of a 5-dimensional slowly rotating black string in which the 4-dimensional section is described by the Kerr black hole.
Bhattacharyya S., Caldarelli M. M., Camps J., CHUL-MOON YOO, Dias O. J., Emparan R., Emparan R., Kleihaus B., MISAO SASAKI, SUGURE TANZAWA, Thorne E.   +10 more
core   +1 more source

Assimilation and return of nutrient elements by plants in soil and impact of crop residues on soil fertility in short cotton rotations

Растениевъдни науки, 2015
To develop a highly efficient the short cycled rotations which provide conservation and improvement soil fertility, of Silt Loam Calcic Xerosol (FAO, 2003) of Tashkent region and the results of the investigations recommend and inculcate to agricultural ...
Abdulaly Iminov, Fazliddin Namazov, Bakhodir Khalikov   +2 more
doaj  

Arthroscopic ankle fusion in haemophilic ankle arthropathy: A report of four cases and narrative literature review

Journal of Orthopaedic Reports
Background: The first aim of this study was to report the authors’ experience in the last 10 years, for arthroscopic ankle fusion in haemophilic ankle arthropathy.
Fitzgerald Chukwuemeka Anazor, Vusumuzi Sibanda, Crispin Southgate, Baljinder Dhinsa   +3 more
doaj   +1 more source

Rotational Elasticity [PDF]

The Quarterly Journal of Mechanics and Applied Mathematics, 2011
We consider an infinite 3-dimensional elastic continuum whose material points experience no displacements, only rotations. This framework is a special case of the Cosserat theory of elasticity. Rotations of material points are described mathematically by attaching to each geometric point an orthonormal basis which gives a field of orthonormal bases ...
Vassiliev, Dmitri, Downes, Robert J., Boehmer, Christian   +2 more
openaire   +3 more sources