Results 121 to 130 of about 263,550 (314)

Soft Mechanical‐Electrical Logic Using Liquid Metal‐Filled 3D‐Printed Architectures

open access: yesAdvanced Engineering Materials, EarlyView.
We present 3D‐printed soft mechanical–electrical logic elements that use liquid metal–filled silicone tubes actuated by thermoplastic polyurethane/polylactic acid (TPU/PLA) architectures to produce Boolean operations. Complementary normally open and normally closed unit cells perform repeatable binary transitions and can be combined into more complex ...
Christoph Lehmann   +2 more
wiley   +1 more source

Passive acoustic quantification of gas releases

open access: yes, 2014
The assessment of undersea gas leakages from anthropogenic and natural sources is becoming increasingly important. This includes the detection of gas leaks and the quantification of gas flux. This has applications within oceanography (e.g.
Berges, B.J.P.   +3 more
core  

A mountain to climb? Tracking progress in scaling up renewable gas production in Europe

open access: yes, 2019
In the last couple of years there has been increasing recognition by key players in the European gas industry that to mitigate the risk of terminal decline in the context of a decarbonising energy system, there will need to be rapid scale up of ...
Oluleye, Gbemi, Lambert, Martin
core   +1 more source

A Narrative Review of Health Status and Healthcare Delivery in the Oil and Gas Industry: Impacts on Employees, Employers, and Local Communities. [PDF]

open access: yesHealthcare (Basel), 2023
Fox JL   +6 more
europepmc   +1 more source

Direct Metal Deposition of Graphene–Ti28Nb35.4Zr Matrix Composites With Enhanced Mechanical, Corrosion, and Biocompatibility Properties for Bone Implants

open access: yesAdvanced Engineering Materials, EarlyView.
Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir   +5 more
wiley   +1 more source

Norwegian gas exports – assessment of resources and supply to 2035

open access: yes, 2018
Norwegian net gas production reached a record high of 122 bcm in 2017, confounding many industry observers who had in 2016 and 2017 been sceptical of the ability of the Norwegian Continental Shelf (NCS) to maintain production at 110-115 bcm.
Marshall Hall, Hall, Marshall
core   +1 more source

Experimental Analysis of Shale Cuttings Migration in Horizontal Wells

open access: yesApplied Sciences
The extraction of shale gas via horizontal drilling presents considerable challenges, primarily due to the accumulation of cuttings within the annular space, resulting in increased friction, torque, and potential drilling complications.
Qiang Fang   +4 more
doaj   +1 more source

In Situ Micromechanical Study of Bimodal γ′–γ″ Precipitate Assemblies in Ni–Cr–Al–Nb Superalloy

open access: yesAdvanced Engineering Materials, EarlyView.
A Ni–Cr–Al–Nb superalloy with a bimodal γ′–γ″ precipitate distribution is developed. Composite precipitate assemblies form through heterogeneous nucleation, effectively impeding dislocation motion. Micropillar compression reveals high strength at room and elevated temperatures, governed by precipitate shearing, with coupled faulting mechanisms ...
Ujjval Bansal   +4 more
wiley   +1 more source

GRS/industry eastern gas shale data base [PDF]

open access: yes, 1982
The Gas Resource Information System (GRIS) is a computerized data base that contains historical data on eastern gas shale wells. It contains all those elements which industry feels are important for the evaluation of drilling, completion, stimulation and
Zielinski, R. E., Sharer, J. C.
core  

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