نتایج جستجو برای: constraint groove pressing

تعداد نتایج: 99829  

Journal: :Âderna ta radìacìjna bezpeka 2021

Groove seals are considered as hydrostatic bearings capable of effectively damping rotor vibrations. In order to determine the dynamic characteristics, a model rotor-groove system is considered. The radial forces and moments in groove had been estimated. Expressions joint radial-angular vibrations obtained. Formulas proposed for constructing amplitude phase frequency characteristics. An example...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2002
Atsushi Yamagata Yoshimitsu Kakuta Ryoji Masui Keiichi Fukuyama

RecJ, a 5' to 3' exonuclease specific for single-stranded DNA, functions in DNA repair and recombination systems. We determined the crystal structure of RecJ bound to Mn(2+) ion essential for its activity. RecJ has a novel fold in which two domains are interconnected by a long helix, forming a central groove. Mn(2+) is located on the wall of the groove and is coordinated by conserved residues c...

Journal: :Journal of Engineering Materials and Technology 1985

Journal: :Nature Immunology 2011

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1995
L Chen A D Frankel

A 17-amino acid arginine-rich peptide from the bovine immunodeficiency virus Tat protein has been shown to bind with high affinity and specificity to bovine immunodeficiency virus transactivation response element (TAR) RNA, making contacts in the RNA major groove near a bulge. We show that, as in other peptide-RNA complexes, arginine and threonine side chains make important contributions to bin...

2012
Yuan-Ping Pang Haiming Dai Alyson Smith X. Wei Meng Paula A. Schneider Scott H. Kaufmann

Recently we reported that the BH3-only proteins Bim and Noxa bind tightly but transiently to the BH3-binding groove of Bak to initiate Bak homo-oligomerization. However, it is unclear how such tight binding can induce Bak homo-oligomerization. Here we report the ligand-induced Bak conformational changes observed in 3D models of Noxa·Bak and Bim·Bak refined by molecular dynamics simulations. In ...

Journal: :Development 2009
Shai Mulinari Udo Häcker

The formation of segmental grooves during mid embryogenesis in the Drosophila epidermis depends on the specification of a single row of groove cells posteriorly adjacent to cells that express the Hedgehog signal. However, the mechanism of groove formation and the role of the parasegmental organizer, which consists of adjacent rows of hedgehog- and wingless-expressing cells, are not well underst...

2007
JEFFREY B. PLESCIA

Grooved terrain is subdivided on the basis of pervasive morphology into (!) groove lanes elongate parallel groove bands, (2) grooved polygons polygonal domains ofparallel grooves, (3) reticulate rrain polygonal domains of orthogonal grooves, and (4) complex grooved terrain polygons with several complexly cross-cutting groove sets. Detailed geologic mapping ofselect areas, employing previously e...

2011
Marko Liker Fiona Gibbon

The aim of this investigation is to use a newly available electropalatography (EPG) index to quantify groove width characteristics in Croatian postalveolar fricatives. Six normal adult speakers of Croatian produced 648 nonsense VCV sequences (V: /i/, /a/, /u/; C: //, //). Anterior groove width (AGW), posterior groove width (PGW), intraspeaker and interspeaker variability were quantified. Resu...

2015
Jessica Ross Anne S. Warlaumont Lillian Rigoli Ramesh Balasubramaniam

Standing balance control relies on multisensory feedback, but little is known about the influence of periodically varying sounds on this process. The level of sensorimotor activation has been shown to be highly correlated with the concept of musical groove. We presented musical stimuli with high and low groove ratings to participants (N=40) as center of pressure (CoP) was recorded using a force...

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