女性性功能障碍（female sexual dysfunction，FSD）是指发生在女性性反应周期中一个或几个环节的障碍（性欲减退障碍、性唤起障碍、性高潮障碍）以及性交疼痛障碍。随着中国的对外开放和经济快速发展，人们日益重视整体生活质量，也包...女性性功能障碍（female sexual dysfunction，FSD）是指发生在女性性反应周期中一个或几个环节的障碍（性欲减退障碍、性唤起障碍、性高潮障碍）以及性交疼痛障碍。随着中国的对外开放和经济快速发展，人们日益重视整体生活质量，也包括性生活质量。妇产科门诊中，有越来越多的女性患者在主诉妇产科疾病的同时，主诉性功能方面的问题，这对妇产科医生提出了更高的要求：扩展知识面，跟进目前国际上性医学的发展，对患者给予更多有效的医疗帮助。展开更多
The evolution of mechanical properties,localized corrosion resistance of a high purity Al-Zn-Mg-Cu alloy during non-isothermal aging(NIA)was investigated by hardness test,electrical conductivity test,tensile test,inte...The evolution of mechanical properties,localized corrosion resistance of a high purity Al-Zn-Mg-Cu alloy during non-isothermal aging(NIA)was investigated by hardness test,electrical conductivity test,tensile test,intergranular corrosion test,exfoliation corrosion test,slow strain rate tensile test and electrochemical test,and the mechanism has been discussed based on microstructure examination by optical microscopy,electron back scattered diffraction,scanning electron microscopy and scanning transmission electron microscopy.The NIA treatment includes a heating stage from 40℃to 180℃with a rate of 20℃/h and a cooling stage from 180℃to 40℃with a rate of 10℃/h.The results show that the hardness and strength increase rapidly during the heating stage of NIA since the increasing temperature favors the nucleation and the growth of strengthening precipitates and promotes the transformation of Guinier-Preston(GPI)zones toη'phase.During the cooling stage,the sizes ofη'phase increase with a little change in the number density,leading to a further slight increase of the hardness and strength.As NIA proceeds,the corroded morphology in the alloy changes from a layering feature to a wavy feature,the maximum corrosion depth decreases,and the reason has been analyzed based on the microstructural and microchemical feature of precipitates at grain boundaries and subgrain boundaries.展开更多
文摘女性性功能障碍（female sexual dysfunction，FSD）是指发生在女性性反应周期中一个或几个环节的障碍（性欲减退障碍、性唤起障碍、性高潮障碍）以及性交疼痛障碍。随着中国的对外开放和经济快速发展，人们日益重视整体生活质量，也包括性生活质量。妇产科门诊中，有越来越多的女性患者在主诉妇产科疾病的同时，主诉性功能方面的问题，这对妇产科医生提出了更高的要求：扩展知识面，跟进目前国际上性医学的发展，对患者给予更多有效的医疗帮助。
基金Project(202302AB080024)supported by the Department of Science and Technology of Yunnan Province,China。
文摘The evolution of mechanical properties,localized corrosion resistance of a high purity Al-Zn-Mg-Cu alloy during non-isothermal aging(NIA)was investigated by hardness test,electrical conductivity test,tensile test,intergranular corrosion test,exfoliation corrosion test,slow strain rate tensile test and electrochemical test,and the mechanism has been discussed based on microstructure examination by optical microscopy,electron back scattered diffraction,scanning electron microscopy and scanning transmission electron microscopy.The NIA treatment includes a heating stage from 40℃to 180℃with a rate of 20℃/h and a cooling stage from 180℃to 40℃with a rate of 10℃/h.The results show that the hardness and strength increase rapidly during the heating stage of NIA since the increasing temperature favors the nucleation and the growth of strengthening precipitates and promotes the transformation of Guinier-Preston(GPI)zones toη'phase.During the cooling stage,the sizes ofη'phase increase with a little change in the number density,leading to a further slight increase of the hardness and strength.As NIA proceeds,the corroded morphology in the alloy changes from a layering feature to a wavy feature,the maximum corrosion depth decreases,and the reason has been analyzed based on the microstructural and microchemical feature of precipitates at grain boundaries and subgrain boundaries.
