نتایج جستجو برای: eifs
تعداد نتایج: 120 فیلتر نتایج به سال:
In this paper, we propose a new EIFS strategy to improve the performance in IEEE 802.11. In IEEE 802.11 specifications, the EIFS time delay is activated after a node initiates an unsuccessful transmission. The new EIFS strategy uses the same activation mechanism as the specifications. The major difference between the standard EIFS and the new EIFS strategy is when to deactivate such time delay....
Translational control is one of primary regulation mechanisms of gene expression. Eukaryotic translational control mainly occurs at the initiation step, the speed-limiting step, which involves more than ten translation initiation factors [eIFs (eukaryotic initiation factors)]. Changing the level or function of these eIFs results in abnormal translation of specific mRNAs and consequently abnorma...
Abstract Despite an increasing number of studies identifying factors that influence the internationalization process for early internationalizing firms (EIFs), it remains unclear which these numerous could play a strategic role and, more specifically, when. This paper develops new conceptual framework anchored in resource-based view to identify resources can explain EIFs’ accurately over time. ...
BACKGROUND Emergency information forms (EIFs) have been proposed to provide critical information for optimal care of children with medical complexity (CMC) during emergencies; however, their impact has not been studied. The objective of this study was to measure the impact and utility of EIFs in simulated scenarios of CMC during medical emergencies. METHODS Twenty-four providers (12 junior, 1...
Eukaryotic protein synthesis begins with assembly of 48S initiation complexes at the initiation codon of mRNA, which requires at least seven initiation factors (eIFs). First, 43S preinitiation complexes comprising 40S ribosomal subunits, eIFs 3, 2, 1, and 1A, and tRNA(Met)(i) attach to the 5'-proximal region of mRNA and then scan along the 5' untranslated region (5'UTR) to the initiation codon....
The ribosome translates information encoded by mRNAs into proteins in all living cells. In eukaryotes, its small subunit together with a number of eukaryotic initiation factors (eIFs) is responsible for locating the mRNA's translational start to properly decode the genetic message that it carries. This multistep process requires timely and spatially coordinated placement of eIFs on the ribosoma...
Despite their rapid internationalization, early internationalizing firms (EIFs) struggle to sustain growth over time. Among the factors influencing internationalization process, diversity of human resources, and particularly its management, has yet be studied. Building on different perspectives through lens resource-based view, this study explores role management during EIFs’ process. The resul...
Strength reduction in structures like an aircraft could be resulted as cyclic loads over a period of time and is an important factor for structural life prediction. Service loads are emphasized at the regions of stress concentration, mostly at the connection of components. The initial flaw prompting the service life was expected by using the Equivalent Initial Flaw Size (EIFS) which has been re...
in this paper, three-dimensional modeling of the fatigue crack growth profiles was performed in a simple riveted lap joint. simulation results showed that mode i was dominated on the one side of the plates and the crack straightly grew on this side, while the other side of the plates was in a mixed-mode condition and the crack propagation path was not straight on this side. afterward, the fract...
Protein synthesis utilizes a large proportion of the available free energy in the eukaryotic cell and must be precisely controlled, yet up to now there has been no systematic rate control analysis of the in vivo process. We now present a novel study of rate control by eukaryotic translation initiation factors (eIFs) using yeast strains in which chromosomal eIF genes have been placed under the c...
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