In market economy,SNA(A System of National Accounts),GFS(A System of Government Finance Statistics)and MFS(Money Finance Summery)are the important tools in management of macro-economy In this paper,a comparison of SNA...In market economy,SNA(A System of National Accounts),GFS(A System of Government Finance Statistics)and MFS(Money Finance Summery)are the important tools in management of macro-economy In this paper,a comparison of SNA,GFS and MFS were made on the accounting rule,the accounting structure and the accounting general framework,and a analysis were made on the accounting body,the accounting objective,the system of indicators,the standard classification and the full accounts.展开更多
目的探讨基于Tecnobody系统的新型卒中后跌倒风险评估体系在临床应用中的效果。方法采用观察性研究方法,连续性纳入深圳市罗湖区人民医院康复医学科病区2022年9月—2023年11月的脑卒中住院患者236例。使用Tecnobody系统和传统Morse跌倒...目的探讨基于Tecnobody系统的新型卒中后跌倒风险评估体系在临床应用中的效果。方法采用观察性研究方法,连续性纳入深圳市罗湖区人民医院康复医学科病区2022年9月—2023年11月的脑卒中住院患者236例。使用Tecnobody系统和传统Morse跌倒风险评估量表(Morse fall seale,MFS)同时对患者进行跌倒风险评估。记录2种评估工具的评估时长、风险分级结果、个性化预防措施以及患者实际住院期间跌倒发生情况,评价2种评估系统的准确性和应用满意度。结果Tecnobody系统评估时间为(7.3±2.8)min,短于MFS的(14.6±3.7)min,差异有统计学意义(P<0.05)。患者住院期间实际跌倒发生率为9.75%,Tecnobody系统评估的高危患者中13.68%发生跌倒,高于低危患者5.98%,差异有统计学意义(P<0.05)。Tecnobody系统诊断敏感度为69.2%,高于MFS的46.7%,差异有统计学意义(P<0.05)。两者特异度(65.8%vs.68.8%)、阳性预测值(23.1%vs.18.3%)和阴性预测值(93.2%vs.89.9%)比较,差异无统计学意义(P>0.05)。医护人员和患者对Tecnobody系统的总体满意度评分为(8.7±1.1)分、(9.1±0.8)分,高于MFS的(6.9±1.5)分、(7.3±1.2)分,差异均有统计学意义(P<0.001)。结论基于Tecnobody的新型卒中后跌倒风险评估体系具有较高的评估效率和诊断敏感度,操作简便,个性化干预措施合理可行。展开更多
文章提出了一种新的基于MFS法(Method of Fundamental Solutions,即基本解法)的求解船舶势流问题的无网格数值方法。该方法采用势流控制方程的基本解表达流场中的速度势,可以得到任意阶连续的速度势导数;另外,通过引入流场虚边界的概念...文章提出了一种新的基于MFS法(Method of Fundamental Solutions,即基本解法)的求解船舶势流问题的无网格数值方法。该方法采用势流控制方程的基本解表达流场中的速度势,可以得到任意阶连续的速度势导数;另外,通过引入流场虚边界的概念避免了传统边界元方法中存在奇点的问题。相比传统的边界元方法,MFS法具有无奇性、不依赖网格、不涉及数值积分、数学原理简单和算法易于编程实现的优势。文中对于MFS法在求解浅水二维剖面水动力系数中的应用进行了探索,提出了一套实用的数值算法,并进一步结合频域切片法计算了Wigley船体的垂荡和纵摇响应,通过和频域面元法及试验结果的对比验证了方法的正确性和实用性;最后应用开发的程序分析了不同水深和航速对于耐波性的影响。该研究开创性地将MFS方法应用到了船舶水动力研究领域,为之后更深入广泛地应用这一特性优良的数值方法提供了有益的参考。展开更多
By combining data from the Challenging Minisatellite Payload(CHAMP),Swarm-A,and newest Macao Science Satellite-1(MSS-1) missions,we constructed a lithospheric magnetic field model up to spherical harmonic degree N = 1...By combining data from the Challenging Minisatellite Payload(CHAMP),Swarm-A,and newest Macao Science Satellite-1(MSS-1) missions,we constructed a lithospheric magnetic field model up to spherical harmonic degree N = 100.To isolate the lithospheric magnetic field signals,we utilized the latest CHAOS-8(CHAMP,Φrsted,and SAC-C 8) model and MGFM(Multisource Geomagnetic Field Model) to remove nonlithospheric sources,including the core field,magnetospheric field,ocean tidal field,and ocean circulation field.Subsequently,orbit-by-orbit processing was applied to both scalar and vector data,such as spherical harmonic high-pass filtering,singular spectrum analysis,and line leveling,to suppress noise and residual signals along the satellite tracks.With an orbital inclination of only 41°,MSS-1 effectively captures fine-scale lithospheric magnetic field signals in mid-to low-latitude regions.Its data exhibit a root mean square error of only 0.77 nT relative to the final model,confirming the high quality and utility of lithospheric field modeling.The resulting model exhibits excellent consistency with the MF7(Magnetic Field Model 7),maintaining a high correlation up to N = 90 and still exceeding 0.65 at N = 100.These results demonstrate the reliability and value of MSS-1 data in global lithospheric magnetic field modeling.展开更多
文摘In market economy,SNA(A System of National Accounts),GFS(A System of Government Finance Statistics)and MFS(Money Finance Summery)are the important tools in management of macro-economy In this paper,a comparison of SNA,GFS and MFS were made on the accounting rule,the accounting structure and the accounting general framework,and a analysis were made on the accounting body,the accounting objective,the system of indicators,the standard classification and the full accounts.
文摘目的探讨基于Tecnobody系统的新型卒中后跌倒风险评估体系在临床应用中的效果。方法采用观察性研究方法,连续性纳入深圳市罗湖区人民医院康复医学科病区2022年9月—2023年11月的脑卒中住院患者236例。使用Tecnobody系统和传统Morse跌倒风险评估量表(Morse fall seale,MFS)同时对患者进行跌倒风险评估。记录2种评估工具的评估时长、风险分级结果、个性化预防措施以及患者实际住院期间跌倒发生情况,评价2种评估系统的准确性和应用满意度。结果Tecnobody系统评估时间为(7.3±2.8)min,短于MFS的(14.6±3.7)min,差异有统计学意义(P<0.05)。患者住院期间实际跌倒发生率为9.75%,Tecnobody系统评估的高危患者中13.68%发生跌倒,高于低危患者5.98%,差异有统计学意义(P<0.05)。Tecnobody系统诊断敏感度为69.2%,高于MFS的46.7%,差异有统计学意义(P<0.05)。两者特异度(65.8%vs.68.8%)、阳性预测值(23.1%vs.18.3%)和阴性预测值(93.2%vs.89.9%)比较,差异无统计学意义(P>0.05)。医护人员和患者对Tecnobody系统的总体满意度评分为(8.7±1.1)分、(9.1±0.8)分,高于MFS的(6.9±1.5)分、(7.3±1.2)分,差异均有统计学意义(P<0.001)。结论基于Tecnobody的新型卒中后跌倒风险评估体系具有较高的评估效率和诊断敏感度,操作简便,个性化干预措施合理可行。
文摘文章提出了一种新的基于MFS法(Method of Fundamental Solutions,即基本解法)的求解船舶势流问题的无网格数值方法。该方法采用势流控制方程的基本解表达流场中的速度势,可以得到任意阶连续的速度势导数;另外,通过引入流场虚边界的概念避免了传统边界元方法中存在奇点的问题。相比传统的边界元方法,MFS法具有无奇性、不依赖网格、不涉及数值积分、数学原理简单和算法易于编程实现的优势。文中对于MFS法在求解浅水二维剖面水动力系数中的应用进行了探索,提出了一套实用的数值算法,并进一步结合频域切片法计算了Wigley船体的垂荡和纵摇响应,通过和频域面元法及试验结果的对比验证了方法的正确性和实用性;最后应用开发的程序分析了不同水深和航速对于耐波性的影响。该研究开创性地将MFS方法应用到了船舶水动力研究领域,为之后更深入广泛地应用这一特性优良的数值方法提供了有益的参考。
基金the support of the National Natural Science Foundation of China (Nos. 42250103, 41974073, and 41404053)the Macao Foundation and the preresearch project of Civil Aerospace Technologies (Nos. D020308 and D020303)funded by China’s National Space Administration, and the Specialized Research Fund for State Key Laboratories。
文摘By combining data from the Challenging Minisatellite Payload(CHAMP),Swarm-A,and newest Macao Science Satellite-1(MSS-1) missions,we constructed a lithospheric magnetic field model up to spherical harmonic degree N = 100.To isolate the lithospheric magnetic field signals,we utilized the latest CHAOS-8(CHAMP,Φrsted,and SAC-C 8) model and MGFM(Multisource Geomagnetic Field Model) to remove nonlithospheric sources,including the core field,magnetospheric field,ocean tidal field,and ocean circulation field.Subsequently,orbit-by-orbit processing was applied to both scalar and vector data,such as spherical harmonic high-pass filtering,singular spectrum analysis,and line leveling,to suppress noise and residual signals along the satellite tracks.With an orbital inclination of only 41°,MSS-1 effectively captures fine-scale lithospheric magnetic field signals in mid-to low-latitude regions.Its data exhibit a root mean square error of only 0.77 nT relative to the final model,confirming the high quality and utility of lithospheric field modeling.The resulting model exhibits excellent consistency with the MF7(Magnetic Field Model 7),maintaining a high correlation up to N = 90 and still exceeding 0.65 at N = 100.These results demonstrate the reliability and value of MSS-1 data in global lithospheric magnetic field modeling.