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Franck Schoefs, Arash Bakhtiari and Hamed Ameryoun
Novel attempts to optimize the design and requalification of offshore structures draws attention to the importance of updating information about the environmental forces. One of the important steps to design or re-assess offshore structures is the re-eva...
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Jongbeom Kim, Hong-Pil Ha, Kyung-Mo Kim and Kyung-Young Jhang
The ultrasonic nonlinearity parameter is used to evaluate the nonlinear elasticity of a material, which is determined from the displacement amplitude of the fundamental and second-order frequencies components in an ultrasonic wave propagating through a m...
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Emilia-Adela Salca and Salim Hiziroglu
The objective of this experimental study was to evaluate the surface roughness and hardness of laminated wood-based composite panels as a function of exposure to high relative humidity (RH). All samples were conditioned in a room having a temperature of ...
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Shengfang Zhang, Zhiyi Leng, Wenzhe Wang, Hongtao Gu, Jian Yin, Ziguang Wang and Yu Liu
Corrosion can hurt the quality and service life of a workpiece, which could create potential safety hazards. However, improving the workpiece?s surface integrity through surface treatment could improve the effect of corrosion resistance. To study the eff...
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Jasem Alqallaf and Joao A. Teixeira
Degradation of compressors is a common concern for operators of gas turbine engines (GTEs). Surface roughness, due to erosion or fouling, is considered one of the major factors of the degradation phenomenon in compressors that can negatively affect the d...
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Daniel Howe, Chris E. Blenkinsopp, Ian L. Turner, Tom E. Baldock and Jack A. Puleo
Robust measurements of bed shear stress under wave runup flows are necessary to inform beachface sediment transport modelling. In this study, direct measurements of swash zone bed shear stress were obtained in medium and prototype-scale laboratory experi...
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Avneesh Kumar, Dhruva Kumar Goyal, Ravi Kant and Harpreet Singh
This study aims to enhance the corrosion performance of cold-sprayed titanium/baghdadite (Ti/BAG) bio-composite coatings. Laser post processing was performed to reduce porosity and improve mechanical properties. The process parameters for laser treatment...
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Shujun Zhao, Yuanlai Cui, Yufeng Luo and Peifeng Li
Small vegetated drainage ditches play an important role in water and nutrient removal, but may cause water blocking problems. The aim of this study was to investigate vegetated drainage ditches? hydraulic and wetland hydraulic characters. Field experimen...
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Shujun Zhao, Yuanlai Cui, Yufeng Luo, Peifeng Li
Pág. 1 - 12
Small vegetated drainage ditches play an important role in water and nutrient removal, but may cause water blocking problems. The aim of this study was to investigate vegetated drainage ditches? hydraulic and wetland hydraulic characters. Field experimen...
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Jana Stepanovska, Roman Matejka, Martin Otahal, Jozef Rosina and Lucie Bacakova
The physical and chemical properties of the material surface, especially its roughness and wettability, have a crucial effect on the adhesion, proliferation, and differentiation of cells. The aim of this study is to select the most appropriate surface mo...
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Mingzhao Yu, Bingfang Wu, Hongwei Zeng, Qiang Xing and Weiwei Zhu
The aerodynamic roughness length (z0m) is a crucial parameter for reliably simulating turbulent exchanges between the land surface and the atmosphere. Due to the large number of input variables related to vegetation growth and aerodynamic conditions near...
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Le Yuan, Min Zhou, Can Wang, Qinyong Zhang, Xiaolong Weng and Longjiang Deng
Al/Ni bimetallic core-shell pigments with flake Al particle as core and metallic Ni as shell were synthesized via a galvanic displacement method and studied with X-ray diffraction, scanning electron micrograph (SEM), specific surface area analysis (BET),...
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Ufuk Kirbas
Today, authorities responsible for the operation of highways aim to provide comfort to road users as well as safety while driving. While driving, the most important component that determines comfort for road users is the pavement. The relative effects of...
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Ronny M. Gouveia, F. J. G. Silva, Pedro Reis and A. P. M. Baptista
The difficulties in the machining of duplex stainless steel are well known. However, research on this matter is rather limited. Suppliers offer quite different cutting tools for the same raw material, with end mills of two, three or even four knives and ...
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Mark E. Grismer
Determination of overland sheet flow depths, velocities and celerities across the hillslope in watershed modeling is important towards estimation of surface storage, travel times to streams and soil detachment rates. It requires careful characterization ...
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Akram Seifi, Soudabeh Golestani Kermani, Amir Mosavi and Fatemeh Soroush
Quantitatively analyzing models? uncertainty is essential for agricultural models due to the effect of inputs parameters and processes on increasing models? uncertainties. The main aim of the current study was to explore the influence of input parameter ...
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Shan Liu, Fengxia Han, Shiqi Zheng, Songpu Gao and Guoxing Zhang
Concrete that self-compacts is frequently utilized in engineering construction. Recycled coarse aggregate self-compacting concrete (RCASCC) is made by partially substituting recycled coarse aggregates (RCA) for natural coarse aggregates in order to conse...
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Jun Liu, Zhongwei Li, Guoliang Dai and Weiming Gong
Sidewall roughness is a key factor influencing the shaft resistance of rock-socketed piles. Owing to the difficulties in onsite measuring and the inconsistency in quantitatively characterizing the roughness degree of sidewalls, existing approaches for es...
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Chunye Hu, Jialing Hao and Zhen Liu
Classical eddy viscosity model deviates from the actual mean current profiles, when calculating the mean current profiles over rippled-beds in the presence of non-breaking waves, owing to the neglect of the enhancement of the wave boundary layer thicknes...
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Martina Lindner, Julia Heider, Matthias Reinelt and Horst-Christian Langowski
Aluminum coatings, which are applied by physical vapor deposition (PVD), have to be virtually defect-free in barrier applications for the packaging industry. When aluminum is applied to paper, hygroexpansion and substrate roughness can impair the aluminu...
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