Results 121 to 130 of about 5,874,199 (333)

Fracture cause analysis of the extruder’s shaft and geometry optimization of the spline

open access: yesJournal of Mechanical Engineering and Sciences, 2019
The article is devoted to increasing of the durability of technological equipment elements, forecasting of the resource and diagnostics of failures of the technical system.
O. Lyashuk   +6 more
doaj   +1 more source

Mechanisms of parasite‐mediated disruption of brain vessels

open access: yesFEBS Letters, EarlyView.
Parasites can affect the blood vessels of the brain, often causing serious neurological problems. This review explains how different parasites interact with and disrupt these vessels, what this means for brain health, and why these processes matter. Understanding these mechanisms may help us develop better ways to prevent or treat brain infections in ...
Leonor Loira   +3 more
wiley   +1 more source

Design and Realization of CAN Bus Interface for ARM Card

open access: yes机车电传动, 2010
This paper described the characteristics of Samsung Corporation 32-bit ARM9 microprocessor core S3C2440 and Philips’s CAN controller SJA1000. According to time sequence requirements, the interface circuit between CPU and CAN controller had been realized ...
聂火勇, 钟思琦
doaj  

Base drive for paralleled inverter systems [PDF]

open access: yes, 1980
In a paralleled inverter system, a positive feedback current derived from the total current from all of the modules of the inverter system is applied to the base drive of each of the power transistors of all modules, thereby to provide all modules ...
Nagano, S.
core   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

PARALELIZAÇÃO DE ESQUELETIZAÇÃO DE IMAGENS DE FUNDO DE RETINA NA ARQUITETURA CUDA

open access: yesRevista Brasileira de Contabilidade e Gestão, 2013
Este trabalho apresenta um estudo comparativo do tempo de processamento de um algoritmo de esqueletização de imagens desenvolvido sob duas formas: sequencial e paralela.
Karin Satie Komati   +3 more
doaj   +2 more sources

MATHEMATICAL MODEL OF HEADRIG PRINCIPAL MOVEMENT DRIVE

open access: yesAdvanced Engineering Research, 2012
The dynamic characteristics of the mechanical operation are analyzed. The mathematical model of the drive of the power-saw bench principal movement is built.
Dmitry O. Kozyrev, Arine A. Avakyan
doaj  

Multiple ETS family transcription factors bind mutant p53 via distinct interaction regions

open access: yesFEBS Letters, EarlyView.
Mutant p53 gain‐of‐function is thought to be mediated by interaction with other transcription factors. We identify multiple ETS transcription factors that can bind mutant p53 and found that this interaction can be promoted by a PXXPP motif. ETS proteins that strongly bound mutant p53 were upregulated in ovarian cancer compared to ETS proteins that ...
Stephanie A. Metcalf   +6 more
wiley   +1 more source

High torque bellows seal rotary drive [PDF]

open access: yes, 1972
Bellows seal rotary drive device was developed which allows high torque transmission through sealed compartments. Bearing friction which would normally be carried by sealing bellows in comparable devices is absorbed by universal-gimbal joint.
Adams, D. W.   +2 more
core   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

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