Results 41 to 50 of about 336,341 (295)

On the Lateral Instability Analysis of MEMS Comb-Drive Electrostatic Transducers

open access: yesSensors, 2019
This paper investigates the lateral pull-in effect of an in-plane overlap-varying transducer. The instability is induced by the translational and rotational displacements.
Binh Duc Truong   +2 more
doaj   +1 more source

Rayleigh–Taylor instability of pulled versus pushed fronts

open access: yesPhysica D: Nonlinear Phenomena, 2006
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lima, Diana   +2 more
openaire   +2 more sources

Genetic Algorithm and ANN for Estimation of SPIV of Micro Beams [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2017
In this paper, the static pull-in instability (SPIV) of beam-type micro-electromechanical systems is theoretically investigated. Herein, modified strain gradient theory in conjunction with Euler–Bernoulli beam theory have been used for mathematical ...
M. Heidari
doaj  

Pull-In and Snap-Through Analysis of Electrically Actuated Viscoelastic Curved Microbeam

open access: yesAdvances in Materials Science and Engineering, 2020
Microbeams are key elements in most of the micro-electromechanical systems (MEMS). Electromechanical instability of microbeams in turn plays an important role in their applications.
Ehsan Akrami-Nia, Hamid Ekhteraei-Toussi
doaj   +1 more source

Investigating of size-dependent buckling and instability caused by support forces and electrostatic field in porous annular microplates [PDF]

open access: yesمهندسی مکانیک شریف
In this paper, the static behavior, instability and buckling in porous micro plates under electrostatic field are investigated based on the modified couple stress theory and with regard to modeling, determining equations and solution methods.
Mahdi Mojahedi   +2 more
doaj   +1 more source

Comparing Push and Pull Factors Affecting Migration

open access: yesEconomies, 2022
The purpose of this research was to conduct a comparison of the push and pull factors affecting migration between Poland and Romania. The study aimed to find out which among the push and pull factors have a greater effect overall and individually on the ...
Mariusz Urbański
doaj   +1 more source

Push–pull farming systems [PDF]

open access: yes, 2014
Farming systems for pest control, based on the stimulo-deterrent diversionary strategy or push–pull system, have become an important target for sustainable intensification of food production.
Woodcock, Christine M   +11 more
core   +1 more source

Eight‐week lat pull‐down resistance training with joint instability leads to superior pull‐up endurance performance and reduced antagonist coactivation in recreationally active male college students

open access: yesEuropean Journal of Sport Science
This study aimed to investigate the effects of an 8‐week lat pull‐down resistance training program with joint instability on pull‐up performance in male college students.
Qian Li   +7 more
doaj   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

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