Results 11 to 20 of about 89,335 (158)
Modification of cyanate resin by conjugated tri-component interpenetrating polymer networks
Cyanate ester (CE) resin was modified in a multi-component way using the technology of conjugated tri-component interpenetrating polymer networks (CTC-IPN).
Wang Chuang +5 more
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In this essay, to investigate the progressive collapse of the reinforced concrete (RC) frames, a nonlinear static pushdown analysis was performed with column removal scenarios from the first story.
Seyed Ali Ekrami Kakhki +2 more
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Seismic Retrofitting the Steel Storage Tanks using Single Concave Friction Isolators under the Long Period Earthquakes [PDF]
Cylindrical liquid storage tanks are contemplated as vital structures in industrial complex whose nonlinear dynamic behavior is of crucial importance.
Alireza Abdeveis, Alireza Mortezaei
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Evaluation of Seismic Vulnerability of Reinforced Concrete Buildings Adjacent to the Deep Excavations [PDF]
In this study, the effect of deep excavation on the seismic response of RC moment resisting building systems has been studied. Deep excavation can cause significant changes in the stress and strain levels of soil environment and also changes in the ...
Hamidreza Fadavi, Alireza Mortezaei
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A density (ρ) gradient thermally-conductive (λ) phenolic foam material was initially prepared and it was used as a precursor to prepare a carbon foam (CF) material (ρ-λ-CF).
Wang Chuang +4 more
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The effect of moment redistribution on the stability of reinforced concrete moment resisting frame buildings under the ground motion [PDF]
In recent years some studies have been done on the moment rredistribution in buildings and new methods offered for calculating of redistribution. Observations demonstrated that the combination of moment and shear force is important in analysis of ...
Mahdi Golpayegani, Alireza Mortezaei
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Biosynthesis and antioxidation of nano-selenium using lemon juice as a reducing agent
Green synthesis of nano-selenium from lemon juice, selenium nanoparticles coated with macromolecules, and antioxidant activity.
Wen Su, Hui Yang, Chuang Wang
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Vinyl trimethoxy silane (VTMS) was used as a modifier and strong ammonia was used as a pH regulator to prepare modified SiO2 superhydrophobic composites. VTMS was successfully in-situ grafted onto the surface of SiO2 via chemical modification.
Chuang Wang +5 more
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The flammability and gas barrier properties are essential for package material. Herein, a highly-oriented self-assembly nanocoating composed of polyvinyl alcohol (PVA) and montmorillonite (MMT) was prepared for endowing polyethylene terephthalate (PET ...
Tao Zou +5 more
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[Objectives]As the first element to support the shaft and transfer the vibration, water-lubricated stern bearing becomes an important part of ship shafting.
Jin Yong +5 more
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