Results 91 to 100 of about 11,298 (262)

Properties of GH4169 Superalloy Characterized by Nonlinear Ultrasonic Waves

open access: yesAdvances in Materials Science and Engineering, 2015
The nonlinear wave motion equation is solved by the perturbation method. The nonlinear ultrasonic coefficients β and δ are related to the fundamental and harmonic amplitudes.
Hongjuan Yan   +3 more
doaj   +1 more source

Psychological Stress Associated Bile Acid Reprogramming Promotes Hepatocellular Carcinoma Progression

open access: yesAdvanced Science, EarlyView.
Depression is increasingly recognized as a risk factor for chronic diseases, yet its biological impact on cancer remains unclear. Using data from more than 490 000 participants across three international cohorts, we show that depression significantly increases the risk of liver cancer.
Ruijiang Zeng   +10 more
wiley   +1 more source

An Efficient Detection Platform Based on Mesoporous Au@Cr2O3 Particles with Schwarz P Surface for Precise Periodontitis Metabolite Profiling

open access: yesAdvanced Science, EarlyView.
A non‐invasive periodontitis diagnosis platform was developed using Au nanoparticles‐decorated mesoporous Cr2O3 (Au@mCr2O3) particles with Schwarz P surface as matrix for saliva metabolic fingerprinting (SMFs) analysis via MALDI‐MS. With the assistance of machine learning of SMFs, this platform enables efficient diagnosis and the screening of potential
Yue Sun   +9 more
wiley   +1 more source

Biomimetic Gradient Hydrogels Regulate Osteochondral Regeneration Microenvironment Remodeling via Spatiotemporal Programming Engineering

open access: yesAdvanced Science, EarlyView.
Electric field‑driven continuous gradient hydrogel GHZF4 achieves spatiotemporal growth factor release, modulates immune microenvironment, angiogenesis and osteochondral differentiation. It realizes cell‑free functional osteochondral repair in rat/rabbit models, offering a promising biomimetic strategy for gradient tissue regeneration.
Xiaolian Niu   +7 more
wiley   +1 more source

Wafer‐Scale Atomically‐Thin Gold: Transferable Platform for Flexible Optoelectronics, Thermal Management and Bio‐Interfaces

open access: yesAdvanced Science, EarlyView.
Combining template stripping with a graphene‐inspired transfer yields continuous, transferable gold films at 6‐inch wafer scale with thicknesses approaching the atomic limit. The atomically smooth, near‐bulk‐quality films offer above 86% transmittance and sub‐20 Ω/square sheet resistance, serving as a universal platform for flexible optoelectronics ...
Dmitry Yakubovsky   +24 more
wiley   +1 more source

Detection and Evaluation for Corrosion Fatigue Damage on Q235A Steel Using Nonlinear Rayleigh Surface Wave

open access: yesShock and Vibration
A nonlinear ultrasonic detection system, employing the wedge/transducer approach to excite and receive Rayleigh surface waves, has been devised for the purpose of detecting and evaluating corrosion fatigue damage in Q235A steel.
Yuanyuan Wang   +3 more
doaj   +1 more source

Research of rotating and ultrasonic cycling fatigue in high-cycle regimes

open access: yesJournal of Aeronautical Materials
The effects of stress ratio(R),loading condition,and MnS inclusion on the fatigue behavior of medium-carbon pearlitic high strength steel were investigated by the combination of rotating(frequency of 52.5 Hz,103-108)bending and ultrasonic (frequency of ...
LIU Lu, WANG Shengnan, MA Yifan
doaj   +1 more source

Ti‐Doping Activates Adjacent Zr Sites in Bimetallic MOFs for Cooperative Phospholipid Removals in Human Biomonitoring

open access: yesAdvanced Science, EarlyView.
Ti‐doped Zr/Ti bimetallic MOFs activate neighboring Zr sites to selectively capture phospholipids from serum through cooperative interactions. In nontargeted screening, the material minimizes matrix interference, expands detectable feature coverage, and enables broad recovery of diverse chemical hazards, providing a powerful cleanup strategy for LC ...
Yanmin Liang   +5 more
wiley   +1 more source

Ultrasound‐Activated Piezoelectric Neuroimmune Hydrogel Orchestrates Neurogenesis‐Macrophage Crosstalk in Diabetic Wound Healing

open access: yesAdvanced Science, EarlyView.
In this work, we design an ultrasound‐activated piezoelectric hydrogel platform (AOEF@AP5+US) that reprograms neurogenesis‐macrophage crosstalk as an integrated strategy to overcome the intertwined barriers of chronic inflammation, peripheral neuropathy, and impaired regeneration in diabetic wounds.
Kai Wang   +13 more
wiley   +1 more source

Effect of Surface Layer Removal After Ultrasonic Surface Rolling Processing on the Tension–Tension Fatigue Performance of AZ31B Magnesium Alloy

open access: yesMetals
This paper investigates the influence of surface ultrasonic rolling treatment on the fatigue performance of Mg-3Al-1Zn extruded alloy and systematically analyzes the evolution laws of fatigue life and mechanical properties with the thickness of the ...
Zhonglei Wang   +5 more
doaj   +1 more source

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