Results 111 to 120 of about 465,514 (310)

Mutual influence mechanism between soft soil interlayers and shield tunnels under seismic action: Laboratory tests and numerical simulations

open access: yesEarthquake Research Advances
Soft soil is widely distributed and has complex origins. Shield tunnels are inevitably constructed within soft soil interlayers, and under seismic action, tunnels may be subject to severe damages.
Xinwei Tang, Gaozhi Xin, Danqing Song
doaj   +1 more source

MHD stagnation flow of nanofluid past a permeable shrinking surface with various conditions [PDF]

open access: yes, 2018
The purpose of the present study is to analyze the effects of slip and heat source/sink on magnetohydrodynamic stagnation-point flow and heat transfer past a permeable shrinking surface with convective boundary condition.
Muhammad Hasri, Nurul ‘Izzati
core  

Work‐Related Asthma From Exposure to Cardboard and Paper Products

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Background We assess the contribution of cardboard dust exposure to the development of work‐related asthma (WRA). Prior studies on paper‐dust‐related breathing problems have focused on exposures in the paper milling and pulp industries. There have been no reports of asthma linked to workplace exposure to cardboard dust.
Mason E. Glanville   +2 more
wiley   +1 more source

Nanoclay‐Engineered Scaffolds for the Controlled Delivery of Biomolecules in Regenerative Medicine

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Regenerative medicine combines biomaterials, cells, scaffolds, and bioactive agents via modern technologies to aid in the reconstruction and repair of damaged tissues. Among these, nanoclay scaffolds have demonstrated unique advantages in facilitating the delivery of therapeutic agents.
Mehri Shadi   +2 more
wiley   +1 more source

Energy-based evaluation method for soil densification effects induced by vibro-compaction of stone columns

open access: yesYantu gongcheng xuebao
In view of the fact that the conventional ground inspection methods are not suitable for the real-time monitoring and quality check of ground improvements due to the limitations in timely and full-scale inspection, an energy-based evaluation method for ...
ZHOU Yanguo , WANG Chun , ZHUANG Duanyang , YAO Pengfei , ZHANG Dongchao
doaj   +1 more source

Slope Instability of the Earthen Levee in Boston, UK: Numerical Simulation and Sensor Data Analysis

open access: yes, 2014
The paper presents a slope stability analysis for a heterogeneous earthen levee in Boston, UK, which is prone to occasional slope failures under tidal loads.
Jordan, D.   +3 more
core   +1 more source

Foam used during EPB tunnelling in saturated sand, parameters determining foam consumption [PDF]

open access: yes, 2012
The amount of foam injected during drilling with an EPB-shield in saturated sand is quite often based on experience and/or empiric relations. A method is presented in to calculate the amount of foam needed to create a muck with limited or no grain stress.
Bezuijen, Adam
core   +1 more source

Compact Tubular Dielectric Elastomer Pump for Indoor Plants

open access: yesJournal of Applied Polymer Science, EarlyView.
This study develops a mountable rolled dielectric elastomer pump (MRDEP) using silicone films and MWCNT‐based electrodes. The MRDEP is completely soft, silent in operation, and easily mounted on a piping system. We use dry stacking methods, fabricate a multilayer dielectric elastomer actuator (DEA), and a pre‐straining process in one direction before ...
Ardi Wiranata   +6 more
wiley   +1 more source

A mobile planetary lander utilizing elastic loop suspension [PDF]

open access: yes, 1976
Efforts to increase the cost effectiveness of future lunar and planetary rover missions have led to the mobile lander concept, which replaces the landing legs of a soft-lander craft with a compact mobility system of sufficient strength to withstand the ...
Trautwein, W.
core   +1 more source

High Density Polyethylene/Ground Tire Rubber Composites Compatibilized by Dicumyl Peroxide

open access: yesJournal of Applied Polymer Science, EarlyView.
ABSTRACT In this study, the thermal behavior of dicumyl peroxide (DCP) was first evaluated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA), which confirmed a peak decomposition temperature around 172°C, highlighting its incompatibility with standard melt‐mixing techniques for most polyolefins. To overcome this limitation,
Hibal Ahmad, Denis Rodrigue
wiley   +1 more source

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