|
|
|
|
|
Dongye Lv, Hanbing Liu, Qiang Miao, Wensheng Wang, Guojin Tan, Chengwei Shi and Hanjun Li
The passivation behavior of steel reinforcements in concrete is significantly influenced by the environment, concrete pore solution, and the passive film formed on the steel surface. The present study used electrochemical methods to successfully characte...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mohammad Sadegh Tale Masoule and Ali Ghahremaninezhad
This study investigates the hydration, microstructure, autogenous shrinkage, electrical resistivity, and mechanical properties of Portland cement pastes modified with PEG-PPG triblock copolymers with varied molecular weights. The early age properties inc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wenfei Guan, Wenzhong Guo, Fan Chen, Xiaobei Han, Haiguang Wang, Weituo Sun, Qian Zhao, Dongdong Jia, Xiaoming Wei and Qingzhen Zhu
To address the issues of excessive heat loss from the roofs of multi-span greenhouses and high energy consumption for heating during winter production, we propose an approach for the external insulation of the roof of multi-span glass greenhouses and hav...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tomasz Urbanowicz, Michal Michalak, Ewa Marzec, Anna Komosa, Krzysztof J. Filipiak, Anna Olasinska-Wisniewska, Anna Witkowska, Michal Rodzki, Andrzej Tykarski and Marek Jemielity
Background: The electrical properties of cells and tissues in relation to energy exposure have been investigated, presenting their resistance and capacitance characteristics. The dielectric response to radiofrequency fields exhibits polarization heteroge...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lingjie Meng, Xuhui Liu, Qingxiang Hong, Yan Ji, Lingtao Wang, Qiuyang Zhang, Jie Chen and Changjiang Pan
In this study, inspired by the adhesion protein of mussels, a Zn2+-loaded polydopamine (PDA/Zn2+) coating was prepared on an alkali?heat-treated magnesium alloy surface, through the chelating effect of PDA with metal ions, to improve anticorrosion and bi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ezazul Haque Sabuz, Mohammed Noor-A-Alam, Waseem Haider and Ishraq Shabib
In this study, mechanical and electrochemical performance of borided additively manufactured (AM) and wrought 8620 low alloy steel were investigated and compared to their bare counterparts. The microstructure of borided 8620 exhibited the presence of FeB...
ver más
|
|
|
|
|
|
|
|
|
|
|
Roya Malekkhouyan, Yoann Paint, Loïc Prince, Maurice Gonon and Marie-Georges Olivier
In the present study, Mg-Al layered double hydroxide (Mg-Al/LDH) was synthesized on the surface of AZ31 Mg alloy substrate via in-situ hydrothermal treatment. Synthesis parameters were changed to determine their effect on the lateral size of LDH. For thi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fouad Benhiba, Mohcine Missioui, Selma Lamghafri, Rachid Hsissou, Abdelkbir Bellaouchou, Hassan Oudda, Abdellatif Lamhamdi, Ismail Warad, Youssef Ramli and Abdelkader Zarrouk
The anti-corrosion features of 1-dodecyl-3-phenylquinoxalin-2(1H)-one (QO12) for carbon steel CS were evaluated in a 1 M HCl solution using potentiodynamic polarization (PDP), electrochemical impedance (EIS) and UV-visible spectroscopy, and scanning elec...
ver más
|
|
|
|
|
|
|
|
|
|
|
Anaïs Luisa Habermann, Moritz Georg Kolb, Philipp Maas, Hagen Kellermann, Carsten Rischmüller, Fabian Peter and Arne Seitz
Hybrid-Electric Propulsion (HEP) could be part of the solution to decrease emissions associated with regional commercial aviation. This study presents results for the aircraft level fuel reduction potential of a regional turboprop concept with an HEP arc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dimitrios Mitridis, Stavros Kapsalis, Dimitrios Terzis and Pericles Panagiotou
The current study provides a thorough analysis and evaluation of fixed-wing UAV correlations with respect to NATO classification, region of production, entry-into-service (EIS) date and other operational specifications. A set of 202 existing fixed-wing p...
ver más
|
|
|
|
|
|