Results 131 to 140 of about 5,119,526 (356)

Technological innovations and geomechanical challenges in Midland Basin Drilling

open access: yesBrazilian Journal of Development
This study explores technological innovations and the geomechanical challenges associated with drilling operations in the Midland Basin, focusing on emerging technologies that optimize efficiency and sustainability in hydrocarbon exploration.
Salomão Luiz Antonio
semanticscholar   +1 more source

Conductive Bonding and System Architectures for High‐Performance Flexible Electronics

open access: yesAdvanced Functional Materials, EarlyView.
This review outlines bonding technologies and structural design strategies that support high‐performance flexible and stretchable electronics. Bonding approaches such as surface‐activated bonding and anisotropic conductive films, together with system‐level architectures including buffer layers and island‐bridge structures, possess distinct mechanical ...
Kazuma Nakajima, Kenjiro Fukuda
wiley   +1 more source

MAGTWIST: A Magnetically‐Driven Rotary Actuator Using a Traveling‐Wave With Integrated Stiffness Tunability

open access: yesAdvanced Functional Materials, EarlyView.
MAGTWIST: A compact magnetic rotary actuator, enabling smooth, stepless rotation, and on‐demand locking. Inspired by peristalsis, a soft polymer belt generates a traveling‐wave, enabling 270° rotation when heated. Cooling stiffens the belt, locking it in position and enabling it to withstand high loads.
Simon Frieler   +3 more
wiley   +1 more source

Моделирование межслойного разрушения при сверлении композиционных материалов [PDF]

open access: yes, 2013
Рассмотрена задача определения появления и развития трещины расслоения при сверлении слоистых композиционных материалов, базирующегося на использовании линейной механики разрушения.
Хавин, Геннадий Львович
core  

Nanolayer‐Encapsulated Stretchable Liquid‐Metal Sheets for Thermal Management

open access: yesAdvanced Functional Materials, EarlyView.
A stretchable liquid metal sheet with both high thermal conductivity and mechanical flexibility is developed. Its trilayer structure, comprising copper‐particle‐dispersed gallium liquid metal encapsulated by styrene‐butadiene‐styrene nanosheets, shows 40.4 W m−1 K−1 conductivity, elongation exceeding 200%, and retention of 96% of its initial ...
Daisuke Kuse   +16 more
wiley   +1 more source

METODOLOGÍA PARA LA OPTIMIZACIÓN DE PARÁMETROS DE PERFORACIÓN A PARTIR DE PROPIEDADES GEOMECÁNICAS

open access: yesRevista Fuentes El Reventón Energético, 2012
Drilling optimization is focused on time operational cost reduction. This can be accomplished from the evaluation of drilling parameters used during offset wells drilling and the development of continuous improvement programs and performance efficient ...
Diego Fernando Suárez   +2 more
doaj  

Research progress and prospect of cooling technology for drilling fluid in deep and ultra-deep wells

open access: yes工程科学学报
Rapid advancement and widespread deployment of deep and ultra-deep wells in major oilfields, both domestically and internationally, have highlighted the challenges of elevated downhole temperatures in modern drilling operations.
Chao ZHANG   +8 more
doaj   +1 more source

Economic and Organizational Issues in Alaska Water Quality Management [PDF]

open access: yes, 1971
The work upon which this report (Proj. A-029-ALAS) is based was supported by funds provided by the United States Department of the Interior, Office of Water Resources Research, as authorized under the Water Resources Act of ...
Erickson, Gregg K., Tussing, Arlon R.
core   +1 more source

Harnessing the Orientation of Columnar Discotic Liquid Crystals for Narrowband Blue Emission with Enhanced Out‐Coupling Efficiency Toward Improvement of SP‐OLEDs Performance

open access: yesAdvanced Functional Materials, EarlyView.
Solution‐processed OLEDs containing discotic liquid‐crystalline MR‐TADF emitters are reported. Supramolecular self‐assembly induces homeotropic columnar alignment, enforcing preferential horizontal orientation of the emitter transition dipole moment in spin‐coated films, which leads to an enhancement in the device light outcoupling efficiency while ...
Joydip De   +6 more
wiley   +1 more source

Advancements in digital drilling technology for deep engineering: a review

open access: yesFrontiers in Earth Science
In deep engineering, the in-situ measurement of engineering rock properties is a key issue in projects such as energy storage and resource mining. Numerous researches devoted to adopting the digital drilling methods for the in-situ application of deep ...
Keqi Fan
doaj   +1 more source

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