HF2- was applied to accelerate the Ce-Mn film formation on 6061A1 alloy in the Ce3+-MnO4-solution.The process of film formation,the composition and structure of the film were analyzed by scanning electron microscopy(S...HF2- was applied to accelerate the Ce-Mn film formation on 6061A1 alloy in the Ce3+-MnO4-solution.The process of film formation,the composition and structure of the film were analyzed by scanning electron microscopy(SEM) equipped with energy-dispersive spectroscopy(EDS),X-ray photoelectron spectroscopy(XPS)and X-ray diffractometer(XRD).The film formation process includes three stages.At the initial stage,a threedimensional(3D) skeleton was formed quickly,and then the skeleton was fully filled with cerium oxide and manganese oxide,resulting in a dense structure.Subsequently,a new skeleton was formed and also filled.Al,Ce,O and Mn were detected in the film.Ce existed mainly in the form of Ce4+(89%).The film existed in an amorphous form and was composed of ceria(cerium hydroxide),manganese dioxide and aluminum oxide.After electrostatically spraying fluorocarbon powder,the resultant products satisfied the required mechanical performance and exhibited almost non-filament corrosion compared with commercially available chromium-free conversion film.Its corrosion resistant time to acetate spray can reach 2000 h,which is consistent with that of fluorocarbon paint.The results showed that Ce-Mn film can offer an attractive prospect to eliminate volatile organic compounds(VOC) problem arisen by using fluorocarbon paint in the process of industrial production.展开更多
Interventional therapy has become increasingly popular in clinical practice due to advancements in medical technology.However,patients often experience psychological and physiological pressure due to its invasive natu...Interventional therapy has become increasingly popular in clinical practice due to advancements in medical technology.However,patients often experience psychological and physiological pressure due to its invasive nature.The management of patient discomfort and tension is crucial to ensure effective treatment.Psychological and pain management are essential components of interventional therapy,as they significantly impact patient recovery and prognosis.This article discussed the importance of interventional psychological and pain care for patients,starting with the development and spread of interventional therapy.The significance of providing high-quality nursing services to patients and improving their quality of life was also discussed.展开更多
基金financially supported by the National Key Research and Development Program of China (No. 2017YFB0702100)the Pearl River S&T Nova Program of Guangzhou (No.201806010154)
文摘HF2- was applied to accelerate the Ce-Mn film formation on 6061A1 alloy in the Ce3+-MnO4-solution.The process of film formation,the composition and structure of the film were analyzed by scanning electron microscopy(SEM) equipped with energy-dispersive spectroscopy(EDS),X-ray photoelectron spectroscopy(XPS)and X-ray diffractometer(XRD).The film formation process includes three stages.At the initial stage,a threedimensional(3D) skeleton was formed quickly,and then the skeleton was fully filled with cerium oxide and manganese oxide,resulting in a dense structure.Subsequently,a new skeleton was formed and also filled.Al,Ce,O and Mn were detected in the film.Ce existed mainly in the form of Ce4+(89%).The film existed in an amorphous form and was composed of ceria(cerium hydroxide),manganese dioxide and aluminum oxide.After electrostatically spraying fluorocarbon powder,the resultant products satisfied the required mechanical performance and exhibited almost non-filament corrosion compared with commercially available chromium-free conversion film.Its corrosion resistant time to acetate spray can reach 2000 h,which is consistent with that of fluorocarbon paint.The results showed that Ce-Mn film can offer an attractive prospect to eliminate volatile organic compounds(VOC) problem arisen by using fluorocarbon paint in the process of industrial production.
文摘Interventional therapy has become increasingly popular in clinical practice due to advancements in medical technology.However,patients often experience psychological and physiological pressure due to its invasive nature.The management of patient discomfort and tension is crucial to ensure effective treatment.Psychological and pain management are essential components of interventional therapy,as they significantly impact patient recovery and prognosis.This article discussed the importance of interventional psychological and pain care for patients,starting with the development and spread of interventional therapy.The significance of providing high-quality nursing services to patients and improving their quality of life was also discussed.
