Objective:The aim is to investigate the application effect of flipped classroom combined with problem-based learning(PBL)teaching method in the teaching of respiratory intensive care unit nursing.Methods:100 fresh nur...Objective:The aim is to investigate the application effect of flipped classroom combined with problem-based learning(PBL)teaching method in the teaching of respiratory intensive care unit nursing.Methods:100 fresh nursing students who were interned in the respiratory intensive care unit of our hospital from June 2020 to May 2022 were selected and randomly divided into 50 students in the control group and 50 students in the experimental group.The students in the control group were taught by PBL teaching method,and the students in the experimental group were taught by flipped classroom combined with PBL teaching method.After the completion of the teaching,the teachers combined the performance of the two groups of students,and scored them comprehensively in terms of their professional theoretical knowledge,clinical operation skills,independent learning ability,and teamwork ability,and carried out a survey of the experimental group’s students in terms of their satisfaction with the understanding of theoretical knowledge,clinical operation,independent learning ability,teamwork ability,and other dimensions.Results:There was no statistical significance in the specialized theoretical knowledge scores of the two groups of students(P>0.05).The scores of clinical operation,independent learning ability,and teamwork ability of the two groups of students were statistically significant(P<0.05),and all the scores of the students in the experimental group were higher than that of the control group.More than 90%of the students believed that the flipped classroom combined with PBL teaching method could assist in the comprehension of theoretical knowledge,improve the clinical operation skills,enhance the ability of independent learning and teamwork;there were 92%of the students supported the use of flipped classroom combined with PBL teaching in respiratory intensive care unit nursing teaching.Conclusion:In the teaching of respiratory intensive care unit nursing,the use of flipped classroom combined with PBL teaching method can improve the learning effect of students,and has certain value in teaching.展开更多
The equilibrium and kinetic adsorption of phosphate(P) from the Yellow River water onto desert particles taken from the Ulan Buh and Kubuqi deserts were investigated.Effect of the initial concentration of P and partic...The equilibrium and kinetic adsorption of phosphate(P) from the Yellow River water onto desert particles taken from the Ulan Buh and Kubuqi deserts were investigated.Effect of the initial concentration of P and particulate matter on the sorption was explored.The kinetic studies show that adsorption rate was faster within the 0-8th hour period,then gradually decreased at 8th-48th hour period and basically tended to a dynamic equilibrium at the 48th hour,but there exists an adsorption difference of P onto different desert particles.The uptake process of P followed the pseudo-second-order rate model and the Morris-Weber diffusion equation which indicates that the adsorption process was mainly controlled by P diffusion inside the particles.The equilibrium investigation obtained an adsorption-desorption equilibrium mass concentration(EPC0) of P from the Yellow River water on desert particles with the range of 0.010-0.042 mg/L,which is higher than present P concentration in the Yellow River.This study indicates that desert particles entering the river might release P to the Yellow River.展开更多
文摘Objective:The aim is to investigate the application effect of flipped classroom combined with problem-based learning(PBL)teaching method in the teaching of respiratory intensive care unit nursing.Methods:100 fresh nursing students who were interned in the respiratory intensive care unit of our hospital from June 2020 to May 2022 were selected and randomly divided into 50 students in the control group and 50 students in the experimental group.The students in the control group were taught by PBL teaching method,and the students in the experimental group were taught by flipped classroom combined with PBL teaching method.After the completion of the teaching,the teachers combined the performance of the two groups of students,and scored them comprehensively in terms of their professional theoretical knowledge,clinical operation skills,independent learning ability,and teamwork ability,and carried out a survey of the experimental group’s students in terms of their satisfaction with the understanding of theoretical knowledge,clinical operation,independent learning ability,teamwork ability,and other dimensions.Results:There was no statistical significance in the specialized theoretical knowledge scores of the two groups of students(P>0.05).The scores of clinical operation,independent learning ability,and teamwork ability of the two groups of students were statistically significant(P<0.05),and all the scores of the students in the experimental group were higher than that of the control group.More than 90%of the students believed that the flipped classroom combined with PBL teaching method could assist in the comprehension of theoretical knowledge,improve the clinical operation skills,enhance the ability of independent learning and teamwork;there were 92%of the students supported the use of flipped classroom combined with PBL teaching in respiratory intensive care unit nursing teaching.Conclusion:In the teaching of respiratory intensive care unit nursing,the use of flipped classroom combined with PBL teaching method can improve the learning effect of students,and has certain value in teaching.
基金supported by the National Natural Science Foundation of China (No. 20467002)the Natural Science Foundation of Inner Mongolia Autonomous Region(200711020214)
文摘The equilibrium and kinetic adsorption of phosphate(P) from the Yellow River water onto desert particles taken from the Ulan Buh and Kubuqi deserts were investigated.Effect of the initial concentration of P and particulate matter on the sorption was explored.The kinetic studies show that adsorption rate was faster within the 0-8th hour period,then gradually decreased at 8th-48th hour period and basically tended to a dynamic equilibrium at the 48th hour,but there exists an adsorption difference of P onto different desert particles.The uptake process of P followed the pseudo-second-order rate model and the Morris-Weber diffusion equation which indicates that the adsorption process was mainly controlled by P diffusion inside the particles.The equilibrium investigation obtained an adsorption-desorption equilibrium mass concentration(EPC0) of P from the Yellow River water on desert particles with the range of 0.010-0.042 mg/L,which is higher than present P concentration in the Yellow River.This study indicates that desert particles entering the river might release P to the Yellow River.
