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- 저자 : Hanyi Zhang (검색결과 3 건)
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Zhang, Han,He, Hanyi,Liu, Jun,Li, Honghui,Zhao, Shuaiwei,Jia, Meilan,Yang, Jijun,Liu, Ning,Yang, Yuanyou,Liao, Jiali Korean Nuclear Society 2021 Nuclear Engineering and Technology Vol.53 No.1
The europium sorption on Tamusu clay was investigated by batch sorption experiments and spectroscopic study under the condition of strong ionic strength. The results demonstrated that europium sorption on Tamusu clay increased rapidly with pH value, but decreased with the ionic strength of solution increased. The europium sorption also increased in the presence of humic acid, especially at low pH value. The sorption could be fitted by Freundlich isotherm model and the europium sorption on clay was spontaneous and endothermic reaction. Besides, the result indicates that ion exchange was the main process at low pH value, while inner-sphere surface complexation dominated the sorption process at high pH value. The Backscatter electron scanning/Energy Dispersive Spectrometer(BSE/EDS) and the effect of Na for europium sorption results further suggested that europium sorption on Tamusu clay mainly competed with Na at low pH value. Overall, the results in this research were of significance to understand the sorption behavior of europium on the geological media under high ionic strength.
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명품 화장품을 구매하는 중국 여성 소비자들의 구매행동에 관한 연구
주팅팅(By Tingting Zhu),장한예(Hanyi Zhang),하문식(Moon Shik Ha) 한국산업경제학회 2015 한국산업경제학회 정기학술발표대회 논문집 Vol.2015 No.12
The purpose of this study is to empirically investigate the customer behavior based on the Chinese luxury cosmetic customers. A survey methodology was used. Data were collected from female customers who are living in Yangtze River Delta and of ages are between 30 to 40 years old. A total of 500 questionnaires were collected. The results indicate that consumers who are married are inclined to buy more luxury cosmetic. Moreover, people who had high school degrees tend to be luxury cosmetic consumers. Besides, people in the middle-income brackets of society like luxury cosmetic more. Finally, this study suggests the implications of these findings.
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Ting Jin,Ranran Wang,Shiqiao Peng,Xin Liu,Hanyi Zhang,Xue He,Weiping Teng,Xiaochun Teng 대한내분비학회 2022 Endocrinology and metabolism Vol.37 No.2
Background: Developmental hypothyroidism impairs learning and memory in offspring, which depend on extensive neuronal circuits in the entorhinal cortex, together with the hippocampus and neocortex. The entorhinal-dentate gyrus pathway is the main entrance of memory circuits. We investigated whether developmental hypothyroidism impaired the morphological development of theentorhinal-dentate gyrus pathway. Methods: We examined the structure and function of the entorhinal-dentate gyrus pathway in response to developmental hypothyroidism induced using 2-mercapto-1-methylimidazole. Results: 1,1´-Dioctadecyl-3,3,3´,3´-tetramethylindocarbocyanine perchlorate tract tracing indicated that entorhinal axons showeddelayed growth in reaching the outer molecular layer of the dentate gyrus at postnatal days 2 and 4 in hypothyroid conditions. Theproportion of fibers in the outer molecular layer was significantly smaller in the hypothyroid group than in the euthyroid group atpostnatal day 4. At postnatal day 10, the pathway showed a layer-specific distribution in the outer molecular layer, similar to the euthyroid group. However, the projected area of entorhinal axons was smaller in the hypothyroid group than in the euthyroid group. Anelectrophysiological examination showed that hypothyroidism impaired the long-term potentiation of the perforant and the cornuammonis 3–cornu ammonis 1 pathways. Many repulsive axon guidance molecules were involved in the formation of the entorhinaldentate gyrus pathway. The hypothyroid group had higher levels of erythropoietin-producing hepatocyte ligand A3 and semaphorin3A than the euthyroid group. Conclusion: We demonstrated that developmental hypothyroidism might influence the development of the entorhinal-dentate gyruspathway, contributing to impaired long-term potentiation. These findings improve our understanding of neural mechanisms formemory function.
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