In the construction and maintenance of particle accelerators,all the accelerator elements should be installed in the same coordinate system,only in this way could the devices in the actual world be consistent with the...In the construction and maintenance of particle accelerators,all the accelerator elements should be installed in the same coordinate system,only in this way could the devices in the actual world be consistent with the design drawings.However,with the occurrence of the movements of the reinforced concrete cover plates at short notice or building deformations in the long term,the control points upon the engineering structure will be displaced,and the fitness between the subnetwork and the global control network may be irresponsible.Therefore,it is necessary to evaluate the deformations of the 3D alignment control network.Different from the extant investigations,in this paper,to characterize the deformations of the control network,all of the congruent models between the points measured in different epochs have been identified,and the congruence model with the most control points is considered as the primary or fundamental model,the remaining models are recognized as the additional ones.Furthermore,the discrepancies between the primary S-transformation parameters and the additional S-transformation parameters can reflect the relative movements of the additional congruence models.Both the iterative GCT method and the iterative combinatorial theory are proposed to detect multiple congruence models in the control network.Considering the actual work of the alignment,it is essential to identify the competitive models in the monitoring network,which can provide us a hint that,even the fitness between the subnetwork and the global control network is good,there are still deformations which may be ignored.The numerical experiments show that the suggested approaches can describe the deformation of the 3D alignment control network roundly.展开更多
目的探讨改良中文版儿童呼吸和哮喘控制测试(Test for Respiratory and Asthma Control in Kids Chinese Version,TRACK-C)在0~3岁哮喘婴幼儿不同患病时期的应用价值。方法选取2017年8月—2023年1月空军军医大学唐都医院小儿哮喘门诊中...目的探讨改良中文版儿童呼吸和哮喘控制测试(Test for Respiratory and Asthma Control in Kids Chinese Version,TRACK-C)在0~3岁哮喘婴幼儿不同患病时期的应用价值。方法选取2017年8月—2023年1月空军军医大学唐都医院小儿哮喘门诊中已建立标准化电子病历的203名0~3岁哮喘患儿作为哮喘组,同期100名健康儿童作为对照组。比较各组的TRACK-C评分、潮气肺功能、呼出气一氧化氮(Fractional Exhaled Nitric Oxide,FeNO)水平并进行相关性分析。结果哮喘组的FeNO、呼吸频率(Respiratory Rate,RR)和血液IgE水平高于对照组,达峰值时间比(Time to Peak Expirtory Flow/Time of Expiratory,TPTEF/TE)、达峰容积比(Volume to Peak Expiratory Flow/Volume of Expiratory,VPEF/VE)、公斤潮气量(Tidal Volume/kg,VT/KG)、TRACK-C评分水平低于对照组,差异有统计学意义(P均<0.05)。哮喘组急性期FeNO水平、RR水平高于缓解期,且TPTEF/TE、VPEF/VE、VT/KG、TRACK-C评分水平低于缓解期,差异有统计学意义(P均<0.05)。采用Pearson分析哮喘不同患病时期与各项观察指标的相关性,结果显示哮喘不同患病时期与TPTEF/TE、VPEF/VE、TRACK-C评分呈负相关(r=-0.468、-0.452、-0.289,P均<0.05)。结论TRACK-C评分可充分应用于0~3岁哮喘幼儿的病情评估,与潮气肺功能结合可以更好地对低龄患儿进行哮喘管理。展开更多
应用测试和测试控制表示法第三版(testing and test control notation version 3,TTCN-3)设计了一种名址分离协议(locator/identity separation protocol,LISP)的一致性自动化测试系统。该系统根据LISP协议标准RFC6830和RFC6833,运用抽...应用测试和测试控制表示法第三版(testing and test control notation version 3,TTCN-3)设计了一种名址分离协议(locator/identity separation protocol,LISP)的一致性自动化测试系统。该系统根据LISP协议标准RFC6830和RFC6833,运用抽象语法规则1(abstract syntax notation one,ASN.1)描述报文结构,设计测试用例,编写测试脚本。脚本通过自动下发配置,构造数据报文,完成交互过程。对LISP基本功能实现的9个测试点进行协议一致性测试,测试结果表明,9个测试点均通过测试。展开更多
文摘In the construction and maintenance of particle accelerators,all the accelerator elements should be installed in the same coordinate system,only in this way could the devices in the actual world be consistent with the design drawings.However,with the occurrence of the movements of the reinforced concrete cover plates at short notice or building deformations in the long term,the control points upon the engineering structure will be displaced,and the fitness between the subnetwork and the global control network may be irresponsible.Therefore,it is necessary to evaluate the deformations of the 3D alignment control network.Different from the extant investigations,in this paper,to characterize the deformations of the control network,all of the congruent models between the points measured in different epochs have been identified,and the congruence model with the most control points is considered as the primary or fundamental model,the remaining models are recognized as the additional ones.Furthermore,the discrepancies between the primary S-transformation parameters and the additional S-transformation parameters can reflect the relative movements of the additional congruence models.Both the iterative GCT method and the iterative combinatorial theory are proposed to detect multiple congruence models in the control network.Considering the actual work of the alignment,it is essential to identify the competitive models in the monitoring network,which can provide us a hint that,even the fitness between the subnetwork and the global control network is good,there are still deformations which may be ignored.The numerical experiments show that the suggested approaches can describe the deformation of the 3D alignment control network roundly.
文摘目的探讨改良中文版儿童呼吸和哮喘控制测试(Test for Respiratory and Asthma Control in Kids Chinese Version,TRACK-C)在0~3岁哮喘婴幼儿不同患病时期的应用价值。方法选取2017年8月—2023年1月空军军医大学唐都医院小儿哮喘门诊中已建立标准化电子病历的203名0~3岁哮喘患儿作为哮喘组,同期100名健康儿童作为对照组。比较各组的TRACK-C评分、潮气肺功能、呼出气一氧化氮(Fractional Exhaled Nitric Oxide,FeNO)水平并进行相关性分析。结果哮喘组的FeNO、呼吸频率(Respiratory Rate,RR)和血液IgE水平高于对照组,达峰值时间比(Time to Peak Expirtory Flow/Time of Expiratory,TPTEF/TE)、达峰容积比(Volume to Peak Expiratory Flow/Volume of Expiratory,VPEF/VE)、公斤潮气量(Tidal Volume/kg,VT/KG)、TRACK-C评分水平低于对照组,差异有统计学意义(P均<0.05)。哮喘组急性期FeNO水平、RR水平高于缓解期,且TPTEF/TE、VPEF/VE、VT/KG、TRACK-C评分水平低于缓解期,差异有统计学意义(P均<0.05)。采用Pearson分析哮喘不同患病时期与各项观察指标的相关性,结果显示哮喘不同患病时期与TPTEF/TE、VPEF/VE、TRACK-C评分呈负相关(r=-0.468、-0.452、-0.289,P均<0.05)。结论TRACK-C评分可充分应用于0~3岁哮喘幼儿的病情评估,与潮气肺功能结合可以更好地对低龄患儿进行哮喘管理。
文摘应用测试和测试控制表示法第三版(testing and test control notation version 3,TTCN-3)设计了一种名址分离协议(locator/identity separation protocol,LISP)的一致性自动化测试系统。该系统根据LISP协议标准RFC6830和RFC6833,运用抽象语法规则1(abstract syntax notation one,ASN.1)描述报文结构,设计测试用例,编写测试脚本。脚本通过自动下发配置,构造数据报文,完成交互过程。对LISP基本功能实现的9个测试点进行协议一致性测试,测试结果表明,9个测试点均通过测试。
