Results 91 to 100 of about 1,782,799 (317)

Vertically-loaded single floating pile in layered soils by thin annulus element method

open access: yesYantu gongcheng xuebao, 2019
Based on the thin annulus element method and the hypothesis of fictitious soil pile, a model for the settlement of an axially-loaded single floating pile in the layered soils is proposed.
LIU Qi-jian 1, WANG Jian-bo 1, MA Jian-jun 2, GAO Wen-hua 3
doaj   +1 more source

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

open access: yesFEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil   +4 more
wiley   +1 more source

Процессы управления и устойчивость. Труды 43-й международной научной конференции аспирантов и студентов [PDF]

open access: yes, 2007
В Том включены статьи участников 43-й Международной научной конференции аспирантов и студентов «Процессы управления и устойчивость» (2–5 апреля 2012 года), прошедшие рецензирование и рекомендованные к публикации.
Smirnov, Nikolay V.
core  

Stability and control of differential linear repetitive processes using an LMI setting [PDF]

open access: yes, 2003
This paper considers differential linear repetitive processes which are a distinct class of two-dimensional continuous-discrete linear systems of both physical and systems theoretic interest.
Owens, D H   +6 more
core   +1 more source

An Extended SFR Model With High Penetration Wind Power Considering Operating Regions and Wind Speed Disturbance

open access: yesIEEE Access, 2019
High-penetration wind power grid access requires wind turbine generators (WTGs) to provide frequency regulation, and an accurate system frequency response (SFR) model is required for frequency stability analysis.
Jianfeng Dai   +4 more
doaj   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Stochastic model predictive control for constrained networked control systems with random time delay [PDF]

open access: yes, 2011
In this paper the continuous time stochastic constrained optimal control problem is formulated for the class of networked control systems assuming that time delays follow a discrete-time, finite Markov chain . Polytopic overapproximations of the system's
Panagiotis Patrinos   +9 more
core   +1 more source

Unified theoretical solution for ultimate bearing capacity of vertical strip anchor

open access: yesYantu gongcheng xuebao, 2018
The researches on vertical strip slab pullout issue have problems of artificial distinguishing of shallow and deep buried types, non-uniform understanding of definition standard and symmetry of mechanical model.
HU Wei 1,2,3, LIU Shun-kai 3, ZOU Gui-hua 3, ZHAO Pu 3
doaj   +1 more source

Residual tail twisting in ascidian larvae is stabilized by asymmetric myofibrils that resist bilateral symmetry restoration

open access: yesFEBS Letters, EarlyView.
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure   +3 more
wiley   +1 more source

The robust stability of iterative learning control

open access: yes, 2010
This thesis examines the notion of the long term robust stability of iterative learning control (ILC) systems engaged in trajectory tracking, using a robust stability theorem based on a biased version of the nonlinear gap metric. This is achieved through
Bradley, Richard Stephen
core  

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