Results 61 to 70 of about 65,852 (261)

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

Separate-layer balanced waterflooding development technology for thick and complex carbonate reservoirs in the Middle East

open access: yesPetroleum Exploration and Development
Based on the waterflooding development in carbonate reservoirs in the Middle East, in order to solve the problem of the poor development effects caused by commingled injection and production, taking the thick bioclastic limestone reservoirs of Cretaceous
Xinmin SONG   +8 more
doaj   +1 more source

Low‐Temperature Imidization of Polyimides (PI) for Scalable Manufacturing of Flexible Wearable Electronics

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐temperature imidization of PEG‐modified polyimide enables fully screen‐printed, roll‐to‐roll fabrication of flexible electrodes on PET substrates, delivering robust mechanical durability and reliable ECG/EMG signal performance for wearable electronics.
Akib Abdullah Khan, Jong‐Hoon Kim
wiley   +1 more source

Sfragís and its metaphorical testimonial presence in 2 Timothy 2:19

open access: yesHTS Teologiese Studies/Theological Studies, 2011
This article presented a metaphorical testimonial approach in the interpretation of 2 Timothy 2:19 and the use of sealing. As starting point, attention was given to the concept of ‘seal’ through the Old Testament and Ancient Near East.
Carlos Molina, Ernest van Eck
doaj   +1 more source

“A Sense of Seal” in Greenland: Kalaallit Seal Pluralities and Anti-Sealing Contentions

open access: yesÉtudes Inuit Studies, 2021
This article questions the conceptual terms upon which Inuit hunting practices are deemed acceptable in current international seal regimes. Specifically, the article examines how Kalaallit–seal relations in Greenland unsettle Euro-American seal regimes. It argues that the current narratives of Inuit seal hunting as a “sustainable, subsistence” practice
openaire   +2 more sources

sealing steamer

open access: yes, 1975
sealing vbl nIn 1866, there were five sealing steamers engaged, while the number of sailing vessels was one hundred and seventy seven... At present the total of sealing steamers is but eight, while the sailing fleet has disappeared altogetherPRINTED

core  

Supporting data set for manuscript "Remediation of annular gas migration along cemented wellbores using reactive mineral fluids: experimental assessment of sodium bicarbonate and sodium silicate-based solutions"

open access: yes, 2021
Brief description of the Data: This folder contains data for a study on reactive sealing of microannuli along wellbore casing-cement interfaces. The data set consists of four Microsoft Excel Worksheets, containing volume, flow rate, and pressure data ...
Timotheus K.T. Wolterbeek (Utrecht University)
core   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

open access: yesAdvanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich   +3 more
wiley   +1 more source

Sealing voyage

open access: yes, 1965
sealing vbl nIn 1922 at the time the Sealing voyage started...PRINTED ITEM DNE-citG.M.Story November 1965Used I and SupUsed I2Not usedswaling, swiling, swoiling, SPOTTER,HAULING-ROPE,TOWv, S'ilun, ~ rope/adventure/VOYAGE/bat/berth/capstan/captain ...

core  

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