Results 231 to 240 of about 1,357 (297)

Donor–Acceptor Covalent Organic Framework Enables Ambipolar Charge Storage in Aluminum‐Ion Energy Storage

Advanced Energy Materials, EarlyView.
A donor–acceptor covalent organic framework is designed as an ambipolar cathode for aluminum‐ion energy storage. The crystalline, microporous architecture enables intrinsic charge transport without conductive additives. Multi‐electron redox activity at donor and acceptor sites supports high capacity, excellent stability, and efficient reversible ...
Cataldo Valentini, Verónica Montes‐García, Wojciech Kukułka, Saira Sarwar, Michał Bielejewski, Mateusz Wlazło, Rossella Greco, Viktorija Pankratova, Ignacio Pérez‐Juste, Dawid Pakulski, Paolo Samorì, Artur Ciesielski   +11 more
wiley   +1 more source

A Compact Hollow Fiber Electrode Assembly Architecture for Continuous Electrochemical Marine Carbon Dioxide Removal

Advanced Energy Materials, EarlyView.
A coaxial, membrane‐integrated hollow fiber electrode assembly (HFEA) is developed for continuous marine carbon mineralization. By utilizing a sub‐millimeter inter‐electrode gap, the HFEA minimizes Ohmic losses, achieving 50% energy reduction and over 85% DIC removal.
Inhwan Park, Young Hun Lee, Jung Hun Lee, Seung‐Jeong Oh, T. Alan Hatton, Dong‐Yeun Koh   +5 more
wiley   +1 more source

Retrograde headless compression screw fixation of olecranon stress fractures in throwing athletes: a novel technique. [PDF]

JSES Int
Michelin RM, Manuputy I, Schulz BM, Schultzel M, Lee BK, Itamura JM.   +5 more
europepmc   +1 more source

Analytical Perspectives on Cement Sheath Integrity: A Comprehensive Review of Theoretical Research. [PDF]

ACS Omega
Wu X, Li Z, Hou Z, Liu J, Huang S, Su D, Li J, Cao C, Wu L, Song W.   +9 more
europepmc   +1 more source

Drilling Riser Integrity Assurance for Deepwater Floating Drilling

Offshore Technology Conference, 2017
Abstract Objectives/Scope Historically, deepwater drilling riser challenges were always seen to be related to riser weight and metocean stresses. Consideration of the riser as a pressure vessel has been limited to production riser applications or smaller high pressure risers used for floating surface ...
D. Neidhardt, R. F. Ziegler, J. Lancaster   +2 more
openaire   +2 more sources

Drilling Riser Stress Measurements

Journal of Engineering for Industry, 1971
Field measurements of drilling riser stresses during drilling operations have been made. The field-measured stresses are in agreement with those predicted by EPR’s pseudodynamic riser stress analysis computer program. The agreement between computed and measured values for both time-average stress and stress variations substantiates the validity of the ...
J. A. Kopecky
openaire   +2 more sources

Well Control When Drilling With a Partly-Evacuated Marine Drilling Riser

IADC/SPE Managed Pressure Drilling and Underbalanced Operations Conference & Exhibition, 2011
Abstract The Low Riser Return System (LRRS) is a method used for managing wellbore pressure during offshore drilling operations by adjusting the mud level in the marine riser by returning mud and cuttings to surface via a subsea pump in a separate conduit.
K. Falk, B. Fossli, C. Lagerberg, A. Handal, S. Sangesland   +4 more
openaire   +2 more sources

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Deepwater Drilling Riser System

SPE Drilling Engineering, 1986
Summary The principal focus of this paper is to discuss and summarize, from the manufacturer's perspective, the primary milestones in the development of the marine riser system used to drill in record water depths off the U.S. east coast.
T. Chastain, D. Stone
openaire   +1 more source