目的观察悬吊运动训练结合盆底生物反馈电刺激治疗女性压力性尿失禁的临床疗效。方法选择60例2020年1月至2021年6月于湖南中医药大学第一附属医院针灸推拿康复科住院部及门诊就诊的女性压力性尿失禁患者,随机分为观察组和对照组,每组30...目的观察悬吊运动训练结合盆底生物反馈电刺激治疗女性压力性尿失禁的临床疗效。方法选择60例2020年1月至2021年6月于湖南中医药大学第一附属医院针灸推拿康复科住院部及门诊就诊的女性压力性尿失禁患者,随机分为观察组和对照组,每组30例,对照组采用盆底肌生物反馈电刺激,观察组在对照组的基础上结合悬吊运动训练。比较治疗前后两组患者的1 h尿垫试验漏尿量、盆底肌功能、尿失禁生活质量问卷(incontinence quality of life questionnaire,I-QOL)等指标及临床疗效。结果治疗后,两组患者1 h尿垫试验漏尿量较治疗前明显降低(P<0.05),盆底肌功能、I-QOL较治疗前明显提高(P<0.05);且观察组1 h尿垫试验漏尿量低于对照组(P<0.01),盆底肌功能、I-QOL高于对照组(P<0.05)。治疗后,观察组总有效率优于对照组(P<0.05)。结论悬吊运动训练结合盆底生物反馈电刺激治疗能显著改善女性压力性尿失禁患者的盆底肌功能,降低漏尿程度,提高患者生活质量,且优于单纯的盆底肌生物反馈电刺激治疗。展开更多
Aims Nursery and forest operations require that frost hardiness results be produced faster than can be provided by controlled freezing tests.There is a great challenge to develop a rapid method for predicting frost ha...Aims Nursery and forest operations require that frost hardiness results be produced faster than can be provided by controlled freezing tests.There is a great challenge to develop a rapid method for predicting frost hardiness that might not necessitate controlled freezing tests.The aim of this study was to examine the assessment of the frost hardiness of shoots and needles of Pinus bungeana by electrical impedance spectroscopy(EIS)with and without controlled exposure to freezing.Methods The frost hardiness of current-year shoots and needles of P.bungeana in an 8-year-old provenance field trial was measured at Shisanlin Nursery in Beijing,China,from September 2006 to January 2007 by means of EIS and conventional electrolyte leakage(EL).In the same plants,but without controlled freezing test,were monitored the EIS parameters in current-year shoots and needles.Important Findings The results showed that(i)after controlled freezing tests,the frost hardiness estimated by EIS parameters(extracellular resistance,re,and membrane time constant,sm)was significantly correlated with the frost hardiness assessed by EL method(r=0.95)and(ii)for the samples not exposed to controlled freezing treatment,the relaxation time s1 for shoots and b for needles had greater correlations with the frost hardiness estimated by EL after controlled freezing tests relative to the other parameters(r=0.90 for shoots and r=0.84 for needles,respectively).The parameters re of shoots and needles and sm of needles might be applied for measuring frost hardiness of samples after exposed to controlled freezing tests.The frost hardiness results can be obtained within 48 h.The parameters s1 of shoots and b of needles could be used for estimating the frost hardiness of samples without using a controlled freezing test.The frost hardiness results can be obtained within 24 h.展开更多
In this paper,the electrical fields along the insulator surface under different scenarios,such as asymmetric pollution on top/bottom surface,and uneven circumferential distribution of surface pollution,have been calcu...In this paper,the electrical fields along the insulator surface under different scenarios,such as asymmetric pollution on top/bottom surface,and uneven circumferential distribution of surface pollution,have been calculated with finite element method for field simulation.Tests on artificial pollution insulators are conducted to study the 50% withstand voltage U50 of artificial pollution suspension insulators under different NSDD(non-soluble deposit density)and asymmetric pollution on the top/bottom surface,and study the change of leakage current with air humidity under different voltage and different ESDD(equivalent salt deposit density).The result shows that asymmetric top/bottom surface pollution has a greater impact on the insulator electrical field distribution,and the leakage current will jump under low air humidity,if had large ESDD,which has practical meanings to the anti-pollution design of the transmission line under different pollution levels across the country.展开更多
文摘目的观察悬吊运动训练结合盆底生物反馈电刺激治疗女性压力性尿失禁的临床疗效。方法选择60例2020年1月至2021年6月于湖南中医药大学第一附属医院针灸推拿康复科住院部及门诊就诊的女性压力性尿失禁患者,随机分为观察组和对照组,每组30例,对照组采用盆底肌生物反馈电刺激,观察组在对照组的基础上结合悬吊运动训练。比较治疗前后两组患者的1 h尿垫试验漏尿量、盆底肌功能、尿失禁生活质量问卷(incontinence quality of life questionnaire,I-QOL)等指标及临床疗效。结果治疗后,两组患者1 h尿垫试验漏尿量较治疗前明显降低(P<0.05),盆底肌功能、I-QOL较治疗前明显提高(P<0.05);且观察组1 h尿垫试验漏尿量低于对照组(P<0.01),盆底肌功能、I-QOL高于对照组(P<0.05)。治疗后,观察组总有效率优于对照组(P<0.05)。结论悬吊运动训练结合盆底生物反馈电刺激治疗能显著改善女性压力性尿失禁患者的盆底肌功能,降低漏尿程度,提高患者生活质量,且优于单纯的盆底肌生物反馈电刺激治疗。
基金National Natural Science Foundation of China(grant number 30640035)the Scientific Research Foundation for the Returned Overseas Scholars,Agricultural University of Hebei(grant number 200406).
文摘Aims Nursery and forest operations require that frost hardiness results be produced faster than can be provided by controlled freezing tests.There is a great challenge to develop a rapid method for predicting frost hardiness that might not necessitate controlled freezing tests.The aim of this study was to examine the assessment of the frost hardiness of shoots and needles of Pinus bungeana by electrical impedance spectroscopy(EIS)with and without controlled exposure to freezing.Methods The frost hardiness of current-year shoots and needles of P.bungeana in an 8-year-old provenance field trial was measured at Shisanlin Nursery in Beijing,China,from September 2006 to January 2007 by means of EIS and conventional electrolyte leakage(EL).In the same plants,but without controlled freezing test,were monitored the EIS parameters in current-year shoots and needles.Important Findings The results showed that(i)after controlled freezing tests,the frost hardiness estimated by EIS parameters(extracellular resistance,re,and membrane time constant,sm)was significantly correlated with the frost hardiness assessed by EL method(r=0.95)and(ii)for the samples not exposed to controlled freezing treatment,the relaxation time s1 for shoots and b for needles had greater correlations with the frost hardiness estimated by EL after controlled freezing tests relative to the other parameters(r=0.90 for shoots and r=0.84 for needles,respectively).The parameters re of shoots and needles and sm of needles might be applied for measuring frost hardiness of samples after exposed to controlled freezing tests.The frost hardiness results can be obtained within 48 h.The parameters s1 of shoots and b of needles could be used for estimating the frost hardiness of samples without using a controlled freezing test.The frost hardiness results can be obtained within 24 h.
基金Project Supported by Key Technology Research Programof SGCC(SGSC[2005]115)
文摘In this paper,the electrical fields along the insulator surface under different scenarios,such as asymmetric pollution on top/bottom surface,and uneven circumferential distribution of surface pollution,have been calculated with finite element method for field simulation.Tests on artificial pollution insulators are conducted to study the 50% withstand voltage U50 of artificial pollution suspension insulators under different NSDD(non-soluble deposit density)and asymmetric pollution on the top/bottom surface,and study the change of leakage current with air humidity under different voltage and different ESDD(equivalent salt deposit density).The result shows that asymmetric top/bottom surface pollution has a greater impact on the insulator electrical field distribution,and the leakage current will jump under low air humidity,if had large ESDD,which has practical meanings to the anti-pollution design of the transmission line under different pollution levels across the country.
