Carbon-fibre-reinforced carbon–silicon carbide (C/C–SiC) and carbon-fibre-reinforced silicon carbide (C/SiC) composites occupy a distinctive position among materials for extreme environments because they combine low density, damage tolerance and thermal-shock resistance with a ma...
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Research Article10.9734/jerr/2026/v28i102015
In this paper, the derivative of phenylalanine-azobenzene was synthesized from p-nitrobenzoic acid and L-ethyl benzoate by condensation, ferric acid reduction and aromatic amine oxidation, and the key compounds were characterized by 1H-NMR and MS. At the same time, we optimized t...
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Research Article10.9734/irjpac/2019/v18i430095
In this paper, 2,6-di(pyridin-2-yl)pyridin-4(1H)-one was synthesized from ethyl picolinate and acetone via Kröhnke-type reaction. Initially, optimization of the reaction conditions for the synthesis of 1,5-bis(2′-bipyridyl)pentane-1,3,5-trione 2, such as the molar ratio of ethyl...
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Research Article10.9734/IRJPAC/2016/26003
Peng Chen, Yao Wang, Jingjing Fu, Ju Tian, Liang Li, Tianning Pu, Mingyue Wang, Chao Zheng, Yiran Zhang & Jie Chen·Asian Journal of Medicine and Health·2023
Background: Carotid occlusion is a severe condition closely associated with ischemic stroke. The prompt identification of patients presenting with extracranial carotid artery occlusion and the evaluation of collateral circulation compensation in these individuals bear significant...
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Research Article10.9734/ajmah/2023/v21i11952