目的了解天津市三级甲等医院护士职业生活质量现状,分析其与职业尊重感、职业认同感及组织承诺之间的相关性,为构建提高天津市三级甲等医院护士职业生活质量的干预方案提供参考依据。方法采用问卷调查法,2023年1—4月抽取天津市3家三级...目的了解天津市三级甲等医院护士职业生活质量现状,分析其与职业尊重感、职业认同感及组织承诺之间的相关性,为构建提高天津市三级甲等医院护士职业生活质量的干预方案提供参考依据。方法采用问卷调查法,2023年1—4月抽取天津市3家三级甲等医院390名护士作为调查对象,使用一般资料调查表、护士工作相关生活质量量表(work-related quality of life,WRQoL)、护士职业尊重感量表(job-esteem scale for nurses in hospital,JES-HN)、职业认同量表(occupational identity scale,OIS)及中国职工组织承诺量表(chinese employees organizational commitment questionnaire,CEOCQ)进行问卷调查,并对数据进行分析。结果天津市三级甲等医院护士WRQoL总得分为(90.35±28.49)分,处于中等水平;JES-HN总得分为(74.21±24.89)分,处于中等上水平;OIS总得分为(88.72±31.21)分,处于中等偏上水平;CEOCQ总得分为(65.50±17.05)分,处于中等偏上水平。职业生活质量与职业尊重感、职业认同感及组织承诺均呈正相关(r=0.453、0.355、0.411,均P<0.01)。结论天津市三级甲等医院护士职业生活质量处于中等水平,但仍有一定的提升空间,且与职业尊重感、职业认同感及组织承诺均呈正相关关系。提示相关部门和医院管理层应建立健全天津市三级甲等医院护士职业生活质量健康培训体系,多途径和多层次地提高护士职业尊重感、职业认同感,加强组织承诺,从而提高护士职业生活质量。展开更多
The thermal performance of the heat exchanger is strongly influenced by the supporting structure.Corrugated baffle enhances flow field disturbance and heat transfer through its complex and changeable flow channel.In o...The thermal performance of the heat exchanger is strongly influenced by the supporting structure.Corrugated baffle enhances flow field disturbance and heat transfer through its complex and changeable flow channel.In order to enhance the thermal performance of the torsional flow heat exchanger(TFHX),the sinusoidal corrugated baffle(SCB)is used to replace the flat baffle(FB)and the full-section cycle model of the torsional flow heat exchanger with sinusoidal corrugated baffle(TFHX-SCB)is established.Computational fluid dynamics(CFD)method was used to discuss the flow resistance characteristics of the shell-side of heat exchangers.The results show that the SCB can improve the turbulence intensity and the uniformity of the flow field between the adjacent baffles.The combination of structural configurations on the shell-side of TFHX-SCB is analyzed by the central composite design(CCD)-response surface method(RSM).When the amplitude of the SCB is 1.37 mm,the cycles of the SCB are 4.42;the initial phase of the SCB is 112.73°,and the combination of heat transfer coefficient and comprehensive performance is optimal.Compared with the original structure,the heat transfer coefficient is increased by 11.58%,and the comprehensive performance is increased by 5.48%.The laser doppler velocimetry(LDV)experimental device irradiated the specified measurement point,and the dependability and accuracy of numerical simulation methods were verified.The research conclusion provides a basic theory for the structural development of the TFHX.展开更多
文摘目的了解天津市三级甲等医院护士职业生活质量现状,分析其与职业尊重感、职业认同感及组织承诺之间的相关性,为构建提高天津市三级甲等医院护士职业生活质量的干预方案提供参考依据。方法采用问卷调查法,2023年1—4月抽取天津市3家三级甲等医院390名护士作为调查对象,使用一般资料调查表、护士工作相关生活质量量表(work-related quality of life,WRQoL)、护士职业尊重感量表(job-esteem scale for nurses in hospital,JES-HN)、职业认同量表(occupational identity scale,OIS)及中国职工组织承诺量表(chinese employees organizational commitment questionnaire,CEOCQ)进行问卷调查,并对数据进行分析。结果天津市三级甲等医院护士WRQoL总得分为(90.35±28.49)分,处于中等水平;JES-HN总得分为(74.21±24.89)分,处于中等上水平;OIS总得分为(88.72±31.21)分,处于中等偏上水平;CEOCQ总得分为(65.50±17.05)分,处于中等偏上水平。职业生活质量与职业尊重感、职业认同感及组织承诺均呈正相关(r=0.453、0.355、0.411,均P<0.01)。结论天津市三级甲等医院护士职业生活质量处于中等水平,但仍有一定的提升空间,且与职业尊重感、职业认同感及组织承诺均呈正相关关系。提示相关部门和医院管理层应建立健全天津市三级甲等医院护士职业生活质量健康培训体系,多途径和多层次地提高护士职业尊重感、职业认同感,加强组织承诺,从而提高护士职业生活质量。
基金supported by National Natural Science Foundation of China(Grant No.21776263)。
文摘The thermal performance of the heat exchanger is strongly influenced by the supporting structure.Corrugated baffle enhances flow field disturbance and heat transfer through its complex and changeable flow channel.In order to enhance the thermal performance of the torsional flow heat exchanger(TFHX),the sinusoidal corrugated baffle(SCB)is used to replace the flat baffle(FB)and the full-section cycle model of the torsional flow heat exchanger with sinusoidal corrugated baffle(TFHX-SCB)is established.Computational fluid dynamics(CFD)method was used to discuss the flow resistance characteristics of the shell-side of heat exchangers.The results show that the SCB can improve the turbulence intensity and the uniformity of the flow field between the adjacent baffles.The combination of structural configurations on the shell-side of TFHX-SCB is analyzed by the central composite design(CCD)-response surface method(RSM).When the amplitude of the SCB is 1.37 mm,the cycles of the SCB are 4.42;the initial phase of the SCB is 112.73°,and the combination of heat transfer coefficient and comprehensive performance is optimal.Compared with the original structure,the heat transfer coefficient is increased by 11.58%,and the comprehensive performance is increased by 5.48%.The laser doppler velocimetry(LDV)experimental device irradiated the specified measurement point,and the dependability and accuracy of numerical simulation methods were verified.The research conclusion provides a basic theory for the structural development of the TFHX.
