Results 31 to 40 of about 336,243 (295)

Numerical and Analytical Study on the Pull-in Instability of Micro-Structure under Electrostatic Loading

, 2006
The one-mode analysis method on the pull-in instability of micro-structure under electrostatic loading is presented. Taylor series are used to expand the electrostatic loading term in the one-mode analysis method, which makes analytical solution ...
Zhang, Y (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China., 张吟, 赵亚溥   +2 more
core   +1 more source

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

Advances 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]

مهندسی 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, M.R Ayatollahi, M. Mojahedi   +2 more
doaj   +1 more source

Comparing Push and Pull Factors Affecting Migration

Economies, 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]

, 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, Pickett, J. A., Woodcock, C. M., Zeyaur R Khan, Pickett, John A, Midega, Charles AO, John A Pickett, Christine M Woodcock, Khan, Z. R., Charles AO Midega, Midega, C. A. O., Khan, Zeyaur R   +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

European 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, Jiaqi Yan, Minjie Qiao, Jiuqing Quan, Yiqing Chen, Mingxin Gong, Wenxin Niu, Lejun Wang   +7 more
doaj   +1 more source

PARK(ing) time–How park deficiency affects the biological clock in a Drosophila model of Parkinson's disease

FEBS Letters, EarlyView.
Drosophila park mutants serve as a model for Parkinson's disease. We used this strain to investigate the connection between oxidative stress and the circadian clock mechanism. We showed that increased oxidative stress affects the physiology of pacemaker cells, disrupting their daily structural plasticity. Lack of rhythmic signaling from pacemaker cells
Kamila Zientara, Kinga Skoczek, Elzbieta Pyza, Milena Damulewicz   +3 more
wiley   +1 more source

Wrinkling and pull-in instabilities of circular dielectric elastomer actuators [PDF]

SCIENTIA SINICA Physica, Mechanica & Astronomica, 2011
When subject to an electric field, a dielectric elastomer (DE) deforms, possibly straining over 100%. Due to their distinctive mechanical properties, the DEs are being developed as actuators for broad applications, such as armaria, adaptive optics, and robots.
HuaDong YONG, YouHe ZHOU, Jing XIA
openaire   +1 more source

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

Molecular 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

Dimethyl fumarate combined with cisplatin at subcytotoxic doses sensitizes cervical cancer toward ferroptosis and apoptosis through GSH restriction and p53 (re)activation

Molecular Oncology, EarlyView.
Dimethyl fumarate (DMF) reduces growth of HPV‐positive cervical cancer spheroids and induces ferroptosis in cervical cancer cells via blocking SLC7A11/Glutathione (GSH) axis. Combination of subcytotoxic doses of DMF and cisplatin (CDDP) further suppresses spheroid growth and drives cell death in 2D culture models.
Carolina Punziano, Giuseppina Minopoli, Simona Romano, Laura Marrone, Katia Aquilano, Maria Lina Tornesello, Raffaella Faraonio   +6 more
wiley   +1 more source