Results 141 to 150 of about 622,804 (338)

Top‐Down Fabricated Wood‐Derived Pressure and Strain Sensors: A Review

open access: yesAdvanced Science, EarlyView.
This review focuses on wood‐derived pressure/strain sensors fabricated via top‐down strategies. It analyzes wood's structural composition, examines processing techniques, discusses sensor types and sensing mechanisms, and reviews existing research. The article concludes with future directions for enhancing performance and scalability.
Yi Ren   +8 more
wiley   +1 more source

Competition in European Telecom Markets [PDF]

open access: yes
In recent years, the European telecommunications market has witnessed major developments, with rapid expansion in access to telecommunications networks and a surge in the number of available services and applications.
Bismut, Sophie
core   +1 more source

Telecommunications Network Planning and Maintenance [PDF]

open access: yes, 2008
Telecommunications network operators are on a constant challenge to provide new services which require ubiquitous broadband access. In an attempt to do so, they are faced with many problems such as the network coverage or providing the guaranteed Quality
Alarcón Mondéjar, Martín Javier   +3 more
core   +1 more source

Development of Teleoperated Robotic System for Remote Intraocular Microsurgery

open access: yesAdvanced Science, EarlyView.
A teleoperated robotic system, characterized by micrometer‐scale precision and a remote center of motion design, is developed and validated to ensure the safety and flexibility of remote intraocular surgery. This system exhibits superior performance in experimental evaluations and holds significant potential for advancing remote microsurgery ...
Andi Xu   +30 more
wiley   +1 more source

Device to Circuit Co‐Design Utilizing High‐Performance PEALD Indium‐Gallium‐Zinc Oxide Thin‐Film Transistor Enabling Technology Node Scaling in Monolithic 3D Systems

open access: yesAdvanced Science, EarlyView.
This article presents a holistic investigation of M3D‐compatible oxide semiconductor technology using PEALD‐fabricated IGZO TFTs, spanning device‐level characterization, TCAD Modeling, circuit design, and scaled‐node projections. It demonstrates high field‐effect mobility (up to 116.35 cm2 V−1·s−1), robust reliability (△VTH < 0.15 V), low variation ...
Wenhui Wang   +11 more
wiley   +1 more source

Telecommunications and economic growth: an empirical analysis of sub-saharan Africa [PDF]

open access: yes
We examine the effect on economic growth of mobile cellular phones in sub-Saharan Africa where a marked asymmetry is present between land-line penetration and mobile telecommunications expansion.
John Levendis   +2 more
core  

Wavelength Tunable Pulsed Lasers Enabled by a Versatile Metafiber Functioning as Both Saturable Absorber and Filter

open access: yesAdvanced Science, EarlyView.
Schematic diagram of wavelength‐tunable pulsed laser based on metafiber‐FP (Fabry‐Perot). The alcohol solution is filled inside the FP cavity to simultaneously form a spectral filter and a saturable absorber. By adjusting the refractive index value and temperature inside the cavity, the tunable filtering effect is introduced to realize wavelength ...
Bo Fu   +8 more
wiley   +1 more source

PRICING AND COSTING PRACTICES IN TELECOMMUNICATIONS: THE BRAZILIAN EXPERIENCE AND CHALLENGES

open access: yesBrazilian Journal of Operations & Production Management, 2013
In this paper we provide an overview of the Brazilian regulatory framework for telecommunications, emphasizing the policies and models adopted for setting interconnection and access prices.
Sergio Luis Franklin Jr.   +1 more
doaj  

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