The distribution of titanium,carbon and associated elements(calcium,magnesium,silicon and aluminum)in a smelting process is studied by means of a chemical equilibrium calculation method for multiphase and multicompone...The distribution of titanium,carbon and associated elements(calcium,magnesium,silicon and aluminum)in a smelting process is studied by means of a chemical equilibrium calculation method for multiphase and multicomponent systems,and verified through comparison with production results.In particular,using the coexistence theory for titanium slag structures,the influence of the AIR(anthracite to ilmenite ratio)on the distribution of such elements is analyzed.The results show that the AIR can be adjusted to achieve a selective reduction of oxides in the melt.展开更多
In the present study,we aimed to assess the long-term impact of zero-markup drug policy on volume of medical service in county hospitals of China.This study used 57 county hospitals’records of medical service from 20...In the present study,we aimed to assess the long-term impact of zero-markup drug policy on volume of medical service in county hospitals of China.This study used 57 county hospitals’records of medical service from 2011 to 2015,and a fixed effect model was applied to examine the impact of the zero-markup drug policy on volume of medical service.The outcome indicators included the number of patient visits,the number of prescriptions,the number of discharged patients,the length of stay,the number of patients who had surgeries and the number of patients who had CT or MRI,monthly.The number of hospitals which implemented the zero-markup drug policy was increased continuously.By the end of 2015,41 hospitals(71.9%)implemented this policy.The panel regression showed that most indicators were insignificantly decreased,including the number of patient visits(P<0.01),the length of stay(P<0.05),the number of patients who had surgeries(P<0.01)and the number of patients who had CT or MRI(P<0.01).However,the number of prescriptions and the number of discharged patients were not significantly changed.The implementation of the zero-markup drug policy might affect the reduction of the volume of medical service in county-level hospitals and the reason needs to be clarified in future studies.展开更多
基金This work was financially supported by“High-Level Youth Talent Special Support Plan”of Kunming City(C202014002)the National Natural Science Foundation of China(51904137)+3 种基金the Applied Basic Research Projects of Yunnan Province(2019FD044)the Open Projects of State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization(CNMRCUKF1905)the Talent Training Project of Kunming University(YJL2102)The authors are grateful to NSFC and“High-Level Talent Special Support Plan”of Kunming City(C201905002).
文摘The distribution of titanium,carbon and associated elements(calcium,magnesium,silicon and aluminum)in a smelting process is studied by means of a chemical equilibrium calculation method for multiphase and multicomponent systems,and verified through comparison with production results.In particular,using the coexistence theory for titanium slag structures,the influence of the AIR(anthracite to ilmenite ratio)on the distribution of such elements is analyzed.The results show that the AIR can be adjusted to achieve a selective reduction of oxides in the melt.
文摘In the present study,we aimed to assess the long-term impact of zero-markup drug policy on volume of medical service in county hospitals of China.This study used 57 county hospitals’records of medical service from 2011 to 2015,and a fixed effect model was applied to examine the impact of the zero-markup drug policy on volume of medical service.The outcome indicators included the number of patient visits,the number of prescriptions,the number of discharged patients,the length of stay,the number of patients who had surgeries and the number of patients who had CT or MRI,monthly.The number of hospitals which implemented the zero-markup drug policy was increased continuously.By the end of 2015,41 hospitals(71.9%)implemented this policy.The panel regression showed that most indicators were insignificantly decreased,including the number of patient visits(P<0.01),the length of stay(P<0.05),the number of patients who had surgeries(P<0.01)and the number of patients who had CT or MRI(P<0.01).However,the number of prescriptions and the number of discharged patients were not significantly changed.The implementation of the zero-markup drug policy might affect the reduction of the volume of medical service in county-level hospitals and the reason needs to be clarified in future studies.
