Serious ice accumulating,pile-up and ice jamming occur around the conductor array of offshore jacket platforms during the winter every year in Bohai Sea,which could cause grave threats to the stability of platform str...Serious ice accumulating,pile-up and ice jamming occur around the conductor array of offshore jacket platforms during the winter every year in Bohai Sea,which could cause grave threats to the stability of platform structure,the safety of people and equipment,and even severer calamity.Therefore,the process of ice accumulation and ice jamming in the jacket platform area needs more concern.This study focuses on ice accumulation and jamming behaviors in the jacket platform conductor area by using a coupled two-dimensional hydro-ice dynamics model.A series of cases are conducted with different flow conditions,such as flow velocity,drifting direction and oscillatory flow.Through the simulation,the ice pile-up process is described and changes in ice-jamming thickness,ice pile-up location and ice pile-up volume are investigated.The differences in ice pile-up in the steady flow and oscillatory flow are analyzed.This study proposes a new approach to simulate the ice jamming process in the jacket platform conductor area,providing a reference for ice management on the platform.展开更多
目的建立衰弱老年人急性期快速恢复病房(acute care for the elderly unit,ACE unit),评价其对老年病房医疗指标的影响。方法通过建立ACE单元,对急性疾病期衰弱老年人实施多学科团队照护,比较老年病房在ACE单元建立前后2年医疗指标的变...目的建立衰弱老年人急性期快速恢复病房(acute care for the elderly unit,ACE unit),评价其对老年病房医疗指标的影响。方法通过建立ACE单元,对急性疾病期衰弱老年人实施多学科团队照护,比较老年病房在ACE单元建立前后2年医疗指标的变化。结果ACE单元建立后,老年病房的平均住院日由建立前的(21.14±2.24)d缩短至(18.33±3.93)d(P=0.004),人均住院费用由(2.48±0.31)万元减少至(2.15±0.26)万元(P<0.001),药占比由(40.50±3.31)%降低至(29.00±3.58)%(P<0.001);实际占用床日数、病床周转次数、床位占用率、每月出院人次差异无统计学意义(P>0.05)。结论ACE单元的建立能改善老年病房的医疗指标,提高老年病房的医疗质量,是急性疾病期衰弱老年人住院期间照护的成功模式。展开更多
基金jointly supported by the National Key R&D Program of China (Grant No.2021YFB2600700)the Central PublicInterest Scientific Institution Basal Research Fund of China (Grant Nos.Y221007 and Y223005)。
文摘Serious ice accumulating,pile-up and ice jamming occur around the conductor array of offshore jacket platforms during the winter every year in Bohai Sea,which could cause grave threats to the stability of platform structure,the safety of people and equipment,and even severer calamity.Therefore,the process of ice accumulation and ice jamming in the jacket platform area needs more concern.This study focuses on ice accumulation and jamming behaviors in the jacket platform conductor area by using a coupled two-dimensional hydro-ice dynamics model.A series of cases are conducted with different flow conditions,such as flow velocity,drifting direction and oscillatory flow.Through the simulation,the ice pile-up process is described and changes in ice-jamming thickness,ice pile-up location and ice pile-up volume are investigated.The differences in ice pile-up in the steady flow and oscillatory flow are analyzed.This study proposes a new approach to simulate the ice jamming process in the jacket platform conductor area,providing a reference for ice management on the platform.
文摘目的建立衰弱老年人急性期快速恢复病房(acute care for the elderly unit,ACE unit),评价其对老年病房医疗指标的影响。方法通过建立ACE单元,对急性疾病期衰弱老年人实施多学科团队照护,比较老年病房在ACE单元建立前后2年医疗指标的变化。结果ACE单元建立后,老年病房的平均住院日由建立前的(21.14±2.24)d缩短至(18.33±3.93)d(P=0.004),人均住院费用由(2.48±0.31)万元减少至(2.15±0.26)万元(P<0.001),药占比由(40.50±3.31)%降低至(29.00±3.58)%(P<0.001);实际占用床日数、病床周转次数、床位占用率、每月出院人次差异无统计学意义(P>0.05)。结论ACE单元的建立能改善老年病房的医疗指标,提高老年病房的医疗质量,是急性疾病期衰弱老年人住院期间照护的成功模式。
