Search Results - Liu Xiaoyu
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A study on teacher and student satisfaction with the content design of digital textbooks in junior high school mathematics
Published 2025-01-01Get full textAmidst the growing adoption of digital textbooks in educational settings, this study delves into the satisfaction levels of both teachers and students regarding the content design of digital textbooks in junior high school mathematics. Utilizing a quantitative survey approach, data were gathered fro...
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Preparation, Physicochemical Properties and Intestinal Flora Regulatory Activity of Aqueous Extracts from Differently Pretreated Naematelia aurantialba
Published 2025-06-01Get full textAqueous extracts (named NAP, NAPS and NAPH, respectively) from Naematelia aurantialba fruiting bodies subjected to three different pretreatments, namely, conventional grinding, steam explosion (SE) and high-pressure homogenization (HPH) were obtained by hot water extraction, and their yields, polysa...
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19~21 GHz GaAs high linearity power amplifier MMIC
Published 2025-04-01Get full textBased on a technology of 0.15 μm GaAs high electron mobility transistor (pHEMT), a 19~21 GHz high linearity power amplifier MMIC was demonstrated in this paper. In the scenario of signal transmission with high peak-to average power ratio（PAPR）,the efficiency and linearity of power amplifier（PA）have...
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