BACKGROUND:Fifty years of our history in developing and advancing emergency medicine into an independent medical specialty will surely provide emergency medicine colleagues from all over the world with valuable sugges...BACKGROUND:Fifty years of our history in developing and advancing emergency medicine into an independent medical specialty will surely provide emergency medicine colleagues from all over the world with valuable suggestions and guidance.DATA SOURCES:This systemic review is based on the author's extensive experience through active involvement in the national and international development of emergency medicine.RESULTS:Emergency physicians in the U.S.emergency departments and sometimes other settings provide urgent and emergency care to patients of all ages,including definitive diagnosis of emergent conditions,prolonged stabilization of patients when necessary,airway management,and life-saving procedures using rapid sequence intubation and sedation.They use a multitude of diagnostic technologies including laboratory studies,bedside ultrasound and other sophisticated radiology,such as CT scan,and MRI.CONCLUSION:In the U.S.,emergency medicine fits extremely well into the overall medical system,and is clearly the most efficient way to provide emergency patient care.展开更多
Big data analytics(BDA)in e-commerce,which is an emerging field that started in 2006,deeply affects the development of global e-commerce,especially its layout and performance in the U.S.and China.This paper seeks to e...Big data analytics(BDA)in e-commerce,which is an emerging field that started in 2006,deeply affects the development of global e-commerce,especially its layout and performance in the U.S.and China.This paper seeks to examine the relative influence of theoretical research of BDA in e-commerce to explain the differences between the U.S.and China by adopting a statistical analysis method on the basis of samples collected from two main literature databases,Web of Science and CNKI,aimed at the U.S.and China.The results of this study help clarify doubts regarding the development of China's e-commerce,which exceeds that of the U.S.today,in view of the theoretical comparison of BDA in e-commerce between them.展开更多
里程碑节点审查是美军装备采办过程中的核心控制手段。选取美军在该领域应用的最具代表性的项目成功可能性评审方法(Probability of Program Success,POPS)和项目支持评审方法(Program Support Review,PSR),围绕任务目标归纳出方法的主...里程碑节点审查是美军装备采办过程中的核心控制手段。选取美军在该领域应用的最具代表性的项目成功可能性评审方法(Probability of Program Success,POPS)和项目支持评审方法(Program Support Review,PSR),围绕任务目标归纳出方法的主要思路,从程序步骤、评审内容框架等方面深入探究方法的特点,并从应用条件、使用范围、优点和局限性等方面进行对比分析,最后提出启示建议,为优化我军节点审查方法、提升装备采购过程管控能力提供借鉴和参考。展开更多
文摘BACKGROUND:Fifty years of our history in developing and advancing emergency medicine into an independent medical specialty will surely provide emergency medicine colleagues from all over the world with valuable suggestions and guidance.DATA SOURCES:This systemic review is based on the author's extensive experience through active involvement in the national and international development of emergency medicine.RESULTS:Emergency physicians in the U.S.emergency departments and sometimes other settings provide urgent and emergency care to patients of all ages,including definitive diagnosis of emergent conditions,prolonged stabilization of patients when necessary,airway management,and life-saving procedures using rapid sequence intubation and sedation.They use a multitude of diagnostic technologies including laboratory studies,bedside ultrasound and other sophisticated radiology,such as CT scan,and MRI.CONCLUSION:In the U.S.,emergency medicine fits extremely well into the overall medical system,and is clearly the most efficient way to provide emergency patient care.
基金Supported by the Ministry of Education’s Humanities and Social Sciences Research Project(18YJAZH153)Fujian Natural Science Foundation(2018J01648)+1 种基金Fujian Social Sciences Federation Planning Project(FJ2018B032)Development Fund of Scientific Research from Fujian University of Technology(GY-S18109)。
文摘Big data analytics(BDA)in e-commerce,which is an emerging field that started in 2006,deeply affects the development of global e-commerce,especially its layout and performance in the U.S.and China.This paper seeks to examine the relative influence of theoretical research of BDA in e-commerce to explain the differences between the U.S.and China by adopting a statistical analysis method on the basis of samples collected from two main literature databases,Web of Science and CNKI,aimed at the U.S.and China.The results of this study help clarify doubts regarding the development of China's e-commerce,which exceeds that of the U.S.today,in view of the theoretical comparison of BDA in e-commerce between them.
文摘里程碑节点审查是美军装备采办过程中的核心控制手段。选取美军在该领域应用的最具代表性的项目成功可能性评审方法(Probability of Program Success,POPS)和项目支持评审方法(Program Support Review,PSR),围绕任务目标归纳出方法的主要思路,从程序步骤、评审内容框架等方面深入探究方法的特点,并从应用条件、使用范围、优点和局限性等方面进行对比分析,最后提出启示建议,为优化我军节点审查方法、提升装备采购过程管控能力提供借鉴和参考。
