Results 41 to 50 of about 23,693 (296)

Engraving featuring the White House

open access: yes, 2023
An engraving featuring a view of the White House from the front side.https://scholarsjunction.msstate.edu/fvw-prints/2022/thumbnail ...
published by the Bureau of Engraving and Printing (American, 1862-present)
core  

Mechanical Fatigue in Liquid‐Metal Interconnects: Failure Mechanism Analysis and Validation of Improvement Strategies

open access: yesAdvanced Materials Technologies, EarlyView.
Multi‐million cycle reliability for liquid metal stretchable electronics is achieved through a continuous cycle of mechanical testing, failure mode and mechanism analysis and implementing subsequent mitigation strategies. ABSTRACT Stretchable electronics that combine mechanical compliance with reliable electrical performance are essential for ...
Lennert Purnal   +8 more
wiley   +1 more source

Questions of collecting graphics in the correspondence of fine art experts and artists of the 1920s and 1930s

open access: yesИскусство Евразии, 2021
The article examines the statements about collecting graphics contained in the letters of art historians and artists of the 1920s and 1930s. These sources rarely come to the attention of scientists, many of them have not yet been published. However, they
Fomin, D.V.
doaj   +1 more source

Graphene‐Based Wearable Textile Triboelectric Nanogenerators and Biomechanical Sensors

open access: yesAdvanced Materials Technologies, EarlyView.
This study presents a wearable textile‐based triboelectric nanogenerator (T‐TENG) using sprayed graphene enhanced with a PVA adhesion layer. The graphene‐based electrode demonstrates high electrical conductivity and robustness to multiple bends. The fabricated T‐TENG provides stable and efficient output, with strong responsiveness to biomotion.
Hongyang Dang   +4 more
wiley   +1 more source

A research on the Production Techniques and Themes of Mosul School of Metalwork Case study: the box and candlesticks of Badr al-Din Lu'lu [PDF]

open access: yesنگره, 2014
Traditional arts following the advent of Islam and the expansion of its scope were maintained in the Islamic world with a view influenced by this religion.
Mohammad Afrough, Afsaneh ghani
doaj  

Microstructured Electrode‐Piezopolymer Interface for Ultrasound Transducers With Enhanced Flexibility and Acoustic Performance

open access: yesAdvanced Materials Technologies, EarlyView.
Flexible piezopolymer ultrasound transducers are engineered by tailoring the electrode–piezopolymer interface using metallic, flake‐based, and porous graphene electrodes. Laser‐induced graphene's porous structure enables polymer infiltration, strengthening interfacial coupling and enhancing piezoelectric response and acoustic output.
Spencer Hagen   +3 more
wiley   +1 more source

PUBLISHING AND STUDYING OF A GROUP OF STIRRUPS PRESERVED IN THE GAYER-ANDERSON MUSEUM IN CAIRO WITH ITS COMPARISON WITH MODELS FROM PAINTINGS OF THE OTTOMAN MANUSCRIPTS [PDF]

open access: yesJournal of the General Union of Arab Archaeologists, 2017
( En ) This study highlighted a group of masterpieces which are known as “stirrups” preserved in the Gayer-Anderson Museum in Cairo. The study has clarified its function which it is the helping of the persons in riding the horse, and the horsemen’s ...
Amin Abd Allah Rashaidy
doaj   +1 more source

Flexible Pressure Sensor With Co‐Optimized Sensitivity and Linearity Based on Gradient Toroidal Microstructures

open access: yesAdvanced Materials Technologies, EarlyView.
A flexible piezoresistive pressure sensor with gradient toroidal CNT/PDMS microstructures is reported. The hierarchical geometry enables sequential electrode contact, achieving a sensitivity of 256.20 kPa−1 and linear response (R2 = 0.99) over 0–1000 kPa.
Rongmei Wang   +8 more
wiley   +1 more source

Research on a Novel Parallel Engraving Machine and its Key Technologies

open access: yesInternational Journal of Advanced Robotic Systems, 2008
In order to compensate the disadvantages of conventional engraving machine and exert the advantages of parallel mechanism, a novel parallel engraving machine is presented and some key technologies are studied in this paper.
Zhang Shi-hui, Kong Ling-fu
doaj  

Upcycling Compact Discs Into Ultra‐Stable, Flexible, and Stretchable Nanoporous Gold Electrodes for Enhanced Biosensing Performance

open access: yesAdvanced Materials Technologies, EarlyView.
This article highlights the development of robust and high‐performance flexible and stretchable biosensors that maintain long‐term functionality and optimal electrical conductivity under mechanical deformation, utilizing sustainable and cost‐effective manufacturing principles.
Mousa H. Aldosari, Ahyeon Koh
wiley   +1 more source

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