Results 131 to 140 of about 2,698,714 (295)

Ground vibration measurements with special reference to pile driving [PDF]

open access: yes, 1990
There has been increased concern in recent years over the level and nature of the ground vibrations. The importance of such vibration has increased rapidly due to developments in construction in urban areas, where the effects of ground borne vibration on
Uromeihy, Ali, Uromeihy, A
core  

Optical Detection of Cellular Signals at Material Interfaces

open access: yesAdvanced Healthcare Materials, EarlyView.
Emerging functional materials are transforming optical detection of cellular signals. This review highlights optical techniques that exploit the unique optical properties of diverse materials to detect and quantify cellular electrical, chemical, and mechanical signals, and discusses key opportunities and challenges.
Xuchen Ren   +5 more
wiley   +1 more source

Analysis on the synergistic variation of soil freezing and pile foundation bearing capacity in permafrost regions

open access: yesInternational Journal of Transportation Science and Technology
The construction of bored piles in permafrost regions disturbs the thermal stability of frozen soil, leading to decreased early bearing capacity of the pile foundation.
Dezhong Yu, Yang Cao, Qianqian Zhao
doaj   +1 more source

Blood–Brain Barrier Regulation: Evolving From Classic Strategies to Electrochemical Ion and Reactive Oxygen Species Control

open access: yesAdvanced Healthcare Materials, EarlyView.
Conventional therapies suffer from poor blood–brain barrier (BBB) penetration and disordered ion/reactive oxygen species (ROS) homeostasis, hindering precise neurological treatment. Electrochemical strategies achieve accurate spatiotemporal regulation of neural homeostasis.
Xiaokang Hu   +5 more
wiley   +1 more source

Multi-Scale Investigation on Bearing Capacity and Load-Transfer Mechanism of Screw Pile Group via Model Tests and DEM Simulation

open access: yesBuildings
Screw piles are widely used in infrastructure, such as railways, highways, and ports, etc., owing to their large pile resistance compared to unthreaded piles.
Fenghao Bai, Ye Lu, Jiaxiang Yang
doaj   +1 more source

PLL‐g‐HPA Hydrogel Microneedles Loaded With Rhoifolin Target Macrophages to Alleviate Fibroblast Senescence for Diabetic Wound Healing

open access: yesAdvanced Healthcare Materials, EarlyView.
Diabetic wound healing is hindered by a pathological crosstalk wherein elevated IL‐11 induces M1 macrophage polarization, leading to IL‐1β/IL‐6 release and subsequent fibroblast senescence via RAS/p38MAPK/p53/E2F1 signaling. Here, we develop a Gel@M‐Rho microneedle patch that delivers rhoifolin‐loaded, macrophage membrane‐coated nanoparticles to target
Jiewen Liao   +10 more
wiley   +1 more source

A Hybrid Bioprinting–Microfabrication Approach to Controllable Multitype Spheroid Arrays for Modeling Tumor Heterogeneity

open access: yesAdvanced Healthcare Materials, EarlyView.
This work introduces a “cancer‐in‐a‐well” technology that recreates tumor heterogeneity in vitro using multitype spheroid arrays. Combining bioprinting/microdispensing with microstructured culture devices, the system improves drug screening and modeling of tumor complexity.
Simone Bonetti   +10 more
wiley   +1 more source

A Modified Geddes Solution for Estimating Induced Stress Coefficient of Subsoil and Settlement of Pile Foundation

open access: yes工程科学与技术, 2013
:Geddes’s solution is one of a comment approach to estimate the settlement of subsoil of pile foundation.In order to obtain more precious results,a modified Geddes’s solution was performed as the assumptions that the end resistance uniformly distribute ...
吕亚茹   +4 more
doaj  

Shaft Resistance of Piles Driven in Clay: Field Study of an Instrumented Full Scale Pile

open access: yes, 1994
This paper presents the results of measurements of total stress against the shaft and base of a mandrel-driven cast-in-situ steel "Multiton" pile 57 m long, 508/457 mm in diameter, installed in NC clay. The pile was instrumented with 8 dilatometer cells (
Calabrese, M   +2 more
core  

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

open access: yesAdvanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti   +11 more
wiley   +1 more source

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