Results 21 to 30 of about 38,058 (217)

Nonconventional Tether Structure for Quality Factor Enhancement of Thin-Film-Piezoelectric-on-Si MEMS Resonator

open access: yesMicromachines, 2023
This article presents a new design of supporting tethers through the concept of force distribution. The transmitted force applied on tethers will be distributed on the new tether design area, resulting in low acoustic energy transferred to anchor ...
Mohammed Awad   +3 more
doaj   +1 more source

Jurisprudential Review of the Issuing Money Outside of the Sovereignty Based on the Typology of Cryptocurrencies [PDF]

open access: yesتحقیقات مالی اسلامی (پیوسته)
1. Introduction and ObjectiveOver the past decade, cryptocurrencies have emerged as a significant financial and technological phenomenon, raising fundamental questions about the nature of money, assets, and monetary sovereignty.
Seyyed Ahmad Ameli, Aminaldin Shahidian
doaj   +1 more source

Endoplasmic Reticulum–Plasma Membrane Contact Sites: Regulators, Mechanisms, and Physiological Functions

open access: yesFrontiers in Cell and Developmental Biology, 2021
The endoplasmic reticulum (ER) forms direct membrane contact sites with the plasma membrane (PM) in eukaryotic cells. These ER-PM contact sites play essential roles in lipid homeostasis, ion dynamics, and cell signaling, which are carried out by protein ...
Chenlu Li   +5 more
doaj   +1 more source

Modeling orbital tether system deployment with limitations on the deployment speed

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2016
The problem of modeling the operation of special equipment intended for modeling orbital tether system deployment is studied. During the deployment of an orbital tether system the tether tension force control program is used that takes into account ...
S. A. Ishkov, G. A. Filippov, Xu Xiaoye
doaj   +1 more source

Digital Healthcare Tools in Nigeria: Strengthening Public Health and Pandemic Preparedness - Insights from the COVID-19 Crisis

open access: yesTelehealth and Medicine Today
This review explores the transformative impact of digital healthcare tools in Nigeria's healthcare system, with a particular emphasis on lessons learned from the COVID-19 pandemic.
Emmanuel Ugwu Chika   +6 more
doaj   +1 more source

Analysis of motion stability of a deployed space tether system with an atmospheric probe

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2016
The stability of motion of a space tether system with an atmospheric probe is investigated in the paper. The equilibrium position stability of a space tether system near the local vertical (static stability) and deployment stability (dynamic stability ...
Dong Zhe   +2 more
doaj   +1 more source

Coupled motion analysis of tether with time-varying length and rigid bodies

open access: yesNihon Kikai Gakkai ronbunshu, 2017
In this paper, we discuss the motion of a tethered system during winding a tether in microgravity. When the tether is being wound, it comes into strong contact with the feeding section of the system.
Wataru MIYAJI   +2 more
doaj   +1 more source

Dynamic Response Analysis of Composite Tether Structure to Airborne Wind Energy System under Impulsive Load

open access: yesApplied Sciences, 2020
The tether structure plays the role of transferring the traction force of an airborne wind energy system (AWES) to the fixed or mobile ground system with less motion and maintains the flying airborne system as a critical component.
Kwangtae Ha
doaj   +1 more source

NetherDrone: a tethered and ducted propulsion multirotor drone for complex underground mining stope inspections

open access: yesDrone Systems and Applications, 2023
Underground stope mapping is crucial to evaluate the quantity of blasted rock and the site integrity. In recent years, lidar-equipped drones have been used to map stopes with higher precision and without blind spots.
Marc-Antoine Leclerc   +6 more
doaj   +1 more source

Dissecting Tether’s Nonlinear Dynamics during Covid-19

open access: yesJournal of Open Innovation: Technology, Market and Complexity, 2020
The present study is on the five cryptocurrency daily mean return time series linearity dynamics during the Covid-19 period. These cryptocurrencies were chosen based on their influence on the market, primarily driven by its market capitalisation.
Moinak Maiti   +2 more
doaj   +1 more source

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