BACKGROUND Endoscopic submucosal dissection(ESD) is a common surgical strategy for the treatment of early gastrointestinal tumors and precancerous lesions.PDCA nursing can effectively prevent potential risks in the nu...BACKGROUND Endoscopic submucosal dissection(ESD) is a common surgical strategy for the treatment of early gastrointestinal tumors and precancerous lesions.PDCA nursing can effectively prevent potential risks in the nursing process,protect patient privacy,and improve patient satisfaction,nursing integrity,and service quality.AIM To explore the effects of PDCA nursing model on the quality management of gastrointestinal ESD,the 36-item Shot-Form Health Survey(SF-36) score,and negative emotions.METHODS A total of 178 patients who underwent ESD between January 2020 and January 2021 were divided into two groups.The usual care mode was the control group,with 80 cases from January to July 2020;from July 2020 to January 2021,98 patients were enrolled in the PDCA care mode as the research group.The length of hospital stay and the costs of the two groups were statistically analyzed.The visual analog scale(VAS),SF-36 score,Zung self-rating scale for anxiety and depression,and postoperative complications were also assessed.RESULTS The length of hospitalization and cost in the research group were lower than in the control group(P < 0.05),and the VAS scores were lower than those before care(P < 0.05).Moreover,the VAS score of the research group was lower than that of the control group(P < 0.05).The SF-36 scores for physical function,role status,social function,pain,mental health,and physical strength were higher in the research group than in the control group(P < 0.05).Depression and anxiety scores of the research group were lower than those of the control group(P < 0.05).The postoperative complication rate in the research group(6.12%) was lower than in the control group(32.50%)(P < 0.05).CONCLUSION PDCA nursing can improve the quality of management of ESD surgery,shorten the length of hospital stay and cost,reduce the VAS and Zung scale scores to alleviate adverse emotions,improve the SF-36 score,and reduce postoperative complications.展开更多
Based on comparative analysis on hydrochemical characteristics of geothermal water in the north part of Liaokao fault,this research focuses on studying the indicative significance of hydrochemical characteristics for ...Based on comparative analysis on hydrochemical characteristics of geothermal water in the north part of Liaokao fault,this research focuses on studying the indicative significance of hydrochemical characteristics for the formation of geothermal water.The result shows that:(1)There is no obvious hydraulic connection between the karst geothermal water(occurred in the east part of the Liaokao fault)and the sandstone geothermal water(occurred in the west part of Liaokao fault).(2)In a close hydrological environment,caused by tectonic activities,geothermal water remains longer time in reservoir,hence the water-rock interaction is more complete,with high degree of concentrations,whereas the renewable capacity of the water is weaker.(3)There is no high temperature mantle source fluid mixed in the geothermal water.Karst geothermal water occurred deep circulatory convection along Liaokao fault and its secondary fault,therefore there is deep crust source fluid added into the geothermal water,closer to the Liaokao fault,the greater affected by the deep crust fluid.However,sandstone geothermal water has weak deep circulatory convection.展开更多
The 21 cm intensity mapping(IM)technique provides us with an efficient way to observe the cosmic large-scale structure(LSS).From the LSS data,one can use the baryon acoustic oscillation and redshift space distortion t...The 21 cm intensity mapping(IM)technique provides us with an efficient way to observe the cosmic large-scale structure(LSS).From the LSS data,one can use the baryon acoustic oscillation and redshift space distortion to trace the expansion and growth history of the universe,and thus measure the dark energy parameters.In this paper,we make a forecast for cosmological parameter estimation with the synergy of three 21 cm IM experiments.Specifically,we adopt a novel joint survey strategy,FAST(0<z<0.35)+SKA1-MID(0.35<z<0.8)+HIRAX(0.8<z<2.5),to measure dark energy.We simulate the 21 cm IM observations under the assumption of excellent foreground removal.We find that the synergy of three experiments could place quite tight constraints on cosmological parameters.For example,it providesσ(?m)=0.0039 andσ(H0)=0.27 km s^(-1) Mpc^(-1) in theΛCDM model.Notably,the synergy could break the cosmological parameter degeneracies when constraining the dynamical dark energy models.Concretely,the joint observation offersσ(w)=0.019 in the wCDM model,andσ(w0)=0.085 andσ(wa)=0.32 in the w0waCDM model.These results are better than or equal to those given by CMB+BAO+SN.In addition,when the foreground removal efficiency is relatively low,the strategy still performs well.Therefore,the 21 cm IM joint survey strategy is promising and worth pursuing.展开更多
文摘BACKGROUND Endoscopic submucosal dissection(ESD) is a common surgical strategy for the treatment of early gastrointestinal tumors and precancerous lesions.PDCA nursing can effectively prevent potential risks in the nursing process,protect patient privacy,and improve patient satisfaction,nursing integrity,and service quality.AIM To explore the effects of PDCA nursing model on the quality management of gastrointestinal ESD,the 36-item Shot-Form Health Survey(SF-36) score,and negative emotions.METHODS A total of 178 patients who underwent ESD between January 2020 and January 2021 were divided into two groups.The usual care mode was the control group,with 80 cases from January to July 2020;from July 2020 to January 2021,98 patients were enrolled in the PDCA care mode as the research group.The length of hospital stay and the costs of the two groups were statistically analyzed.The visual analog scale(VAS),SF-36 score,Zung self-rating scale for anxiety and depression,and postoperative complications were also assessed.RESULTS The length of hospitalization and cost in the research group were lower than in the control group(P < 0.05),and the VAS scores were lower than those before care(P < 0.05).Moreover,the VAS score of the research group was lower than that of the control group(P < 0.05).The SF-36 scores for physical function,role status,social function,pain,mental health,and physical strength were higher in the research group than in the control group(P < 0.05).Depression and anxiety scores of the research group were lower than those of the control group(P < 0.05).The postoperative complication rate in the research group(6.12%) was lower than in the control group(32.50%)(P < 0.05).CONCLUSION PDCA nursing can improve the quality of management of ESD surgery,shorten the length of hospital stay and cost,reduce the VAS and Zung scale scores to alleviate adverse emotions,improve the SF-36 score,and reduce postoperative complications.
基金This research was financially supported by China Geological Survey Project(DD20189114,DD20190129)the Basic Scientific Research Project of the Chinese Academy of Geological Sciences(JKY1722,YWF201903-01 and JYYWF20180501).
文摘Based on comparative analysis on hydrochemical characteristics of geothermal water in the north part of Liaokao fault,this research focuses on studying the indicative significance of hydrochemical characteristics for the formation of geothermal water.The result shows that:(1)There is no obvious hydraulic connection between the karst geothermal water(occurred in the east part of the Liaokao fault)and the sandstone geothermal water(occurred in the west part of Liaokao fault).(2)In a close hydrological environment,caused by tectonic activities,geothermal water remains longer time in reservoir,hence the water-rock interaction is more complete,with high degree of concentrations,whereas the renewable capacity of the water is weaker.(3)There is no high temperature mantle source fluid mixed in the geothermal water.Karst geothermal water occurred deep circulatory convection along Liaokao fault and its secondary fault,therefore there is deep crust source fluid added into the geothermal water,closer to the Liaokao fault,the greater affected by the deep crust fluid.However,sandstone geothermal water has weak deep circulatory convection.
基金supported by the National SKA Program of China(Grant Nos.2022SKA0110200,and 2022SKA0110203)National Natural Science Foundation of China(Grant Nos.11975072,11835009,and 11875102)。
文摘The 21 cm intensity mapping(IM)technique provides us with an efficient way to observe the cosmic large-scale structure(LSS).From the LSS data,one can use the baryon acoustic oscillation and redshift space distortion to trace the expansion and growth history of the universe,and thus measure the dark energy parameters.In this paper,we make a forecast for cosmological parameter estimation with the synergy of three 21 cm IM experiments.Specifically,we adopt a novel joint survey strategy,FAST(0<z<0.35)+SKA1-MID(0.35<z<0.8)+HIRAX(0.8<z<2.5),to measure dark energy.We simulate the 21 cm IM observations under the assumption of excellent foreground removal.We find that the synergy of three experiments could place quite tight constraints on cosmological parameters.For example,it providesσ(?m)=0.0039 andσ(H0)=0.27 km s^(-1) Mpc^(-1) in theΛCDM model.Notably,the synergy could break the cosmological parameter degeneracies when constraining the dynamical dark energy models.Concretely,the joint observation offersσ(w)=0.019 in the wCDM model,andσ(w0)=0.085 andσ(wa)=0.32 in the w0waCDM model.These results are better than or equal to those given by CMB+BAO+SN.In addition,when the foreground removal efficiency is relatively low,the strategy still performs well.Therefore,the 21 cm IM joint survey strategy is promising and worth pursuing.
