目的探讨体重管理干预对肥胖型多囊卵巢综合征(PCOS)患者糖脂代谢的影响。方法选取肥胖型PCOS患者70例,按照患者是否愿意接受体重管理,将其分为干预组和对照组,分别测定并分析两组患者0、15、30及45 d干预糖脂代谢指标。结果 (1)干预后...目的探讨体重管理干预对肥胖型多囊卵巢综合征(PCOS)患者糖脂代谢的影响。方法选取肥胖型PCOS患者70例,按照患者是否愿意接受体重管理,将其分为干预组和对照组,分别测定并分析两组患者0、15、30及45 d干预糖脂代谢指标。结果 (1)干预后不同时间点的TG、TC、FPG、2 h PPG、FINS及PINS比较有差异(P<0.05);(2)两组患者干预后的TG、TC、2 h PPG、FINS及PINS比较有差异(P<0.05);(3)两组患者的TG、TC、2 h PPG及PINS变化趋势比较有差异(P<0.05)。结论肥胖型PCOS患者在药物治疗的基础上实施体重管理,能更有效地改善患者糖脂代谢异常,增强药物疗效。展开更多
The surface adsorption of gas molecules is a key factor limiting the secondary electron yield(SEY)of a material in many areas of applied physics.The influence of O_(2)adsorption on the SEY of metallic Ag is investigat...The surface adsorption of gas molecules is a key factor limiting the secondary electron yield(SEY)of a material in many areas of applied physics.The influence of O_(2)adsorption on the SEY of metallic Ag is investigated in this work.To account for the particle distribution,we propose a BET theory based on multilayer O_(2)physisorption model.Furthermore,based on the phenomenological model of secondary electron(SE)emission and by taking into account the different scattering processes between electrons and particles in the adsorbed layer,we develop a numerical model of SEY in the adsorbed state using Monte Carlo simulations.The relationships among O_(2)adsorption,adsorption layer thickness,and SEY variation characteristics are then examined through a series of experiments.After 12-h exposure to O_(2),the clean samples increases12%-19%of the maximum value of SEY and 2.3 nm in thickness of the adsorbed layer.Experimental results are also compared with the results from the MC model to determine whether the model is accurate.展开更多
文摘目的探讨体重管理干预对肥胖型多囊卵巢综合征(PCOS)患者糖脂代谢的影响。方法选取肥胖型PCOS患者70例,按照患者是否愿意接受体重管理,将其分为干预组和对照组,分别测定并分析两组患者0、15、30及45 d干预糖脂代谢指标。结果 (1)干预后不同时间点的TG、TC、FPG、2 h PPG、FINS及PINS比较有差异(P<0.05);(2)两组患者干预后的TG、TC、2 h PPG、FINS及PINS比较有差异(P<0.05);(3)两组患者的TG、TC、2 h PPG及PINS变化趋势比较有差异(P<0.05)。结论肥胖型PCOS患者在药物治疗的基础上实施体重管理,能更有效地改善患者糖脂代谢异常,增强药物疗效。
基金supported by the National Natural Science Foundation of China(22071173 and 22003047)the Natural Science Foundation of Tianjin City(20JCJQJC00050)the Haihe Laboratory of Sustainable Chemical Transformations(22ZYJDSS00060)。
基金Project supported by the Fund from the National Key Laboratory of Science and Technology on Space Mircrowave,China(Grant No.6142411112205)the National Natural Science Foundation of China(Grant No.62001376)。
文摘The surface adsorption of gas molecules is a key factor limiting the secondary electron yield(SEY)of a material in many areas of applied physics.The influence of O_(2)adsorption on the SEY of metallic Ag is investigated in this work.To account for the particle distribution,we propose a BET theory based on multilayer O_(2)physisorption model.Furthermore,based on the phenomenological model of secondary electron(SE)emission and by taking into account the different scattering processes between electrons and particles in the adsorbed layer,we develop a numerical model of SEY in the adsorbed state using Monte Carlo simulations.The relationships among O_(2)adsorption,adsorption layer thickness,and SEY variation characteristics are then examined through a series of experiments.After 12-h exposure to O_(2),the clean samples increases12%-19%of the maximum value of SEY and 2.3 nm in thickness of the adsorbed layer.Experimental results are also compared with the results from the MC model to determine whether the model is accurate.
