Objective:To observe the effects of electroacupuncture(EA)with varied frequencies on headache and anxiety-depression symptoms in patients with migraine and to screen optimal frequency of EA for patientswith such condi...Objective:To observe the effects of electroacupuncture(EA)with varied frequencies on headache and anxiety-depression symptoms in patients with migraine and to screen optimal frequency of EA for patientswith such conditions.Design:Single-center,randomized,controlled clinical trial was designed,and the outcome assessors and statisticians were blinded.The patients with migraine were randomized into 2 Hz EA group,100 Hz EA group and sham-stimulation group.In each group,the changes in migraine attacks,days with headache,the scores of visual analogy scale(VAS),self-rating anxiety scale(SAS),self-rating depression scale(SDS)and migraine-specific quality-of-life questionnaire(MsQ),as well as the dosage of analgesics were observed at the baseline,during treatment,in 1,2 and 3 months of follow-up separately.Setting:Patients were enrolled in the Third Afiliated Hospital of Zhejiang Chinese Medical University,between 1st August 2018 and 31st July 2021.Participants:Sixty-five migraine patients with or without aura.Interventions:In the EA groups,the acupoints were bilateral Fengchi(GB20),Gongxue(Extra),Sizhukong(TE23),Taiyang(EX-HN5),Shuaigu(GB8),Waiguan(TE5)and Yanglingquan(GB34).Electric stimulation was exerted at GB20 and Gongxue(Extra),with 2 Hz and 100 Hz separately.In the sham-stimulation group,the shallow acupuncture was operated at the sites 1 cm lateral to GB20 and Gongxue(Extra),and on the radial side of TE5 and GB34.The output wires were cut off after attached to the acupoints.The patients in each group received the treatment 3 times weekly,once every two days,for consecutive 4 weeks.The complete intervention was composed of 12 treatments.Main outcome measures:Changes in numbers of migraine attacks at treatment phase(week 1 to week 4)from the baseline(week-4 to week 0)in patients of each group Kesults:(1)Cnangesinmigraineattacks anadays witnneaaacne:intneZ Hz EA anaIuu Hz EA groups the changes of migraine attacks and days of headache were higher significantlyywhencomparedwith that in the sham-stimulation group at th展开更多
燃气涡轮流量计在工况运行中,异常表征数据较少且部分异常表征与用户用气行为表征高度相似,使得燃气涡轮流量计的异常表征识别难度大。为此,本文提出一种结合机理分析与机器学习的燃气涡轮流量计异常表征识别模型MML—IGMA(Mechanism an...燃气涡轮流量计在工况运行中,异常表征数据较少且部分异常表征与用户用气行为表征高度相似,使得燃气涡轮流量计的异常表征识别难度大。为此,本文提出一种结合机理分析与机器学习的燃气涡轮流量计异常表征识别模型MML—IGMA(Mechanism and Machine Learning to Identify Gas Meter Abnormity,结合机理分析与机器学习的燃气涡轮流量计异常识别)。该模型基于燃气涡轮流量计运行机理,定义异常表征空间并利用基于密度的聚类算法标签化异常表征空间内的可识别异常,再采用梯度提升机分类算法识别异常表征空间内的标签化样本。实验结果表明,在某陶瓷工业燃气用户一年工况历史数据上,MML-IGMA模型可以有效标签化异常表征并进行识别,识别精度可达97%。展开更多
基金Supported by the Foundation of Health Commission of Zhejiang Province:2018ZA060,2020ZB125Scientific research project of Zhejiang Chinese Medical University:2020ZY10。
文摘Objective:To observe the effects of electroacupuncture(EA)with varied frequencies on headache and anxiety-depression symptoms in patients with migraine and to screen optimal frequency of EA for patientswith such conditions.Design:Single-center,randomized,controlled clinical trial was designed,and the outcome assessors and statisticians were blinded.The patients with migraine were randomized into 2 Hz EA group,100 Hz EA group and sham-stimulation group.In each group,the changes in migraine attacks,days with headache,the scores of visual analogy scale(VAS),self-rating anxiety scale(SAS),self-rating depression scale(SDS)and migraine-specific quality-of-life questionnaire(MsQ),as well as the dosage of analgesics were observed at the baseline,during treatment,in 1,2 and 3 months of follow-up separately.Setting:Patients were enrolled in the Third Afiliated Hospital of Zhejiang Chinese Medical University,between 1st August 2018 and 31st July 2021.Participants:Sixty-five migraine patients with or without aura.Interventions:In the EA groups,the acupoints were bilateral Fengchi(GB20),Gongxue(Extra),Sizhukong(TE23),Taiyang(EX-HN5),Shuaigu(GB8),Waiguan(TE5)and Yanglingquan(GB34).Electric stimulation was exerted at GB20 and Gongxue(Extra),with 2 Hz and 100 Hz separately.In the sham-stimulation group,the shallow acupuncture was operated at the sites 1 cm lateral to GB20 and Gongxue(Extra),and on the radial side of TE5 and GB34.The output wires were cut off after attached to the acupoints.The patients in each group received the treatment 3 times weekly,once every two days,for consecutive 4 weeks.The complete intervention was composed of 12 treatments.Main outcome measures:Changes in numbers of migraine attacks at treatment phase(week 1 to week 4)from the baseline(week-4 to week 0)in patients of each group Kesults:(1)Cnangesinmigraineattacks anadays witnneaaacne:intneZ Hz EA anaIuu Hz EA groups the changes of migraine attacks and days of headache were higher significantlyywhencomparedwith that in the sham-stimulation group at th
文摘燃气涡轮流量计在工况运行中,异常表征数据较少且部分异常表征与用户用气行为表征高度相似,使得燃气涡轮流量计的异常表征识别难度大。为此,本文提出一种结合机理分析与机器学习的燃气涡轮流量计异常表征识别模型MML—IGMA(Mechanism and Machine Learning to Identify Gas Meter Abnormity,结合机理分析与机器学习的燃气涡轮流量计异常识别)。该模型基于燃气涡轮流量计运行机理,定义异常表征空间并利用基于密度的聚类算法标签化异常表征空间内的可识别异常,再采用梯度提升机分类算法识别异常表征空间内的标签化样本。实验结果表明,在某陶瓷工业燃气用户一年工况历史数据上,MML-IGMA模型可以有效标签化异常表征并进行识别,识别精度可达97%。
