Results 101 to 110 of about 8,469,039 (290)
Sealing performance of rubber seals under extreme downhole conditions
Sealing rings are widely used in drilling and completion tools, but they are prone to performance degradation under combined high-temperature, high-pressure, and corrosive conditions, leading to sealing failure and leakage.
Wei Jianfei +7 more
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Advanced Functional Materials, EarlyView.A soft, dual‐channel hydrogel patch enables simultaneous detection of wound temperature and strain by integrating ion‐diffusion‐mediated thermoelectric and resistive sensing. The conformal design maintains stable performance during motion, capturing subtle inflammatory and mechanical changes for continuous wound monitoring.
Yu Fang +7 more
wiley +1 more source
Design of Sealing Device for Plow Knife Mixing Machine Shafts Based on Powder Media
工程科学与技术ObjectiveThere are challenges related to improving manufacturing and assembly accuracy to ensure adequate sealing performance. The sealing device of the plow blade hybrid motor shaft, which primarily relies on gas sealing, exhibits low sealing ...
ZOU Junwei +5 more
doaj
Advanced Functional Materials, EarlyView.Fully additive vertical organic electrochemical transistors (vOECTs) with channel‐length of 226 nm on a 50 µm compostable substrate achieve >106 current modulation and ∼36 mS transconductance. Ion‐selective integration enables 1.1 mA dec−1 sensitivity and 36 µm detection limit, highlighting a scalable platform for sustainable electronics and ...
Giulia Frusconi +3 more
wiley +1 more source
Applied SciencesAimed at the problem of gas flurries in carbon dioxide (CO2) geologic sequestration in the wellbore, this paper proposes a sealing method in which the downhole casing is processed with threaded grooves and then plugged with a low-melting-point alloy plug.
Chunqing Zha +3 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Significant nanoscale oxygen diffusion coefficient variations are measured in ferroelectric hafnium zirconium oxide films with grain boundaries and electrode interfaces exhibiting values 104 times larger than the grain cores. Overall coefficients are 10X larger for films prepared with metal nitride electrodes compared to refractory metals. New insights
Liron Shvilberg +6 more
wiley +1 more source
, 1965 sealing vbl nIn the latter end of 1920, the Sealing owners made arrangements for the assistance of aeroplanes and air- ships to be given to the ships in the seal fishery of 1921.PRINTED ITEM DNE-citG.M.
core
Análise do selamento apical promovido pelo agregado de trióxido mineral (MTA) e por um cimento experimental à base de própolis, em um modelo ex vivo de rizogênese incompleta [PDF]
, 2013 TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências da Saúde. Odontologia.Objetivo: Analisar a capacidade seladora de um cimento experimental à base de própolis (CEBP), na forma de tampão apical, por meio do teste de infiltração ...
Macarini, Roberta Fernandes
core
Performance of edge sealing systems used in moisture transport experiments
, 2006 in UndeterminedEdge sealing is often used to assure one-dimensional moisture flow and a defined exposure area in moisture transport experiments. This paper deals with the performance of a number of edge sealing systems including wax-paraffin mix, epoxy ...
Segerholm, I, Svennberg, Kaisa
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Sealing performance of sealing structure in a sediment sampler under ultra-high pressure. [PDF]
Sci Rep, 2023 He S, Peng Y, Qiu S, Du X, Jin Y.
europepmc +1 more source