The sheath criterion for a collisional electronegative plasma sheath in an applied magnetic field is investigated.It is assumed that the system consists of hot electrons,hot negative ions and cold positive ions.The ef...The sheath criterion for a collisional electronegative plasma sheath in an applied magnetic field is investigated.It is assumed that the system consists of hot electrons,hot negative ions and cold positive ions.The effect of an applied magnetic field on the sheath criterion is discussed.The results reveal that the magnetic field has effects on both the upper and lower limits,which cause the range of the ion Mach number to increase.In addition,the numerical calculations of the electronegative plasma sheath are carried out to demonstrate the effects of sheath criterion on the characteristics of the sheath.展开更多
目的:研究通络祛痛膏治疗腰椎间盘突出症的临床疗效,并分析通络祛痛膏的疗效优势人群和使用禁忌。方法:选取我院符合寒湿型腰椎间盘突出症诊断标准及纳入标准的240例患者,随机分为对照组和治疗组,每组120例,再根据年龄、体重指数(body m...目的:研究通络祛痛膏治疗腰椎间盘突出症的临床疗效,并分析通络祛痛膏的疗效优势人群和使用禁忌。方法:选取我院符合寒湿型腰椎间盘突出症诊断标准及纳入标准的240例患者,随机分为对照组和治疗组,每组120例,再根据年龄、体重指数(body mass index,BMI)、病程将治疗组分成若干亚组。对照组采用针刺和康复训练治疗,针刺后采用“五点支撑法”进行康复训练,均为每周6次,2周为1个疗程。治疗组在对照组基础上,在康复训练后于相应穴位和疼痛部位给予通络祛痛膏贴敷,每次2~3片,每次贴敷时间8 h,qd,2周为1个疗程。结果:治疗前两组日本骨科协会评估治疗评分(Japanese Orthopaedic Association Scores,JOA)无显著差异;治疗后两组JOA评分均提高,治疗组明显高于对照组,两组比较有显著性差异(P<0.05)。治疗前两组McGill疼痛评分无显著性差异,治疗后两组McGill疼痛评分均降低,治疗组明显低于对照组,两组比较有显著性差异(P<0.05)。治疗组临床总有效率高于对照组,两组比较有显著性差异(P<0.05)。所有亚组均可改善腰椎间盘突出症疼痛,其中年龄>60岁、BMI<26.9、病程<3年为通络祛痛膏的疗效优势人群。结论:通络祛痛膏可显著提高寒湿型腰椎间盘突出症患者的腰椎功能,建议在临床中选择有相应特征的患者使用。展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos 11005015 and 10605008.
文摘The sheath criterion for a collisional electronegative plasma sheath in an applied magnetic field is investigated.It is assumed that the system consists of hot electrons,hot negative ions and cold positive ions.The effect of an applied magnetic field on the sheath criterion is discussed.The results reveal that the magnetic field has effects on both the upper and lower limits,which cause the range of the ion Mach number to increase.In addition,the numerical calculations of the electronegative plasma sheath are carried out to demonstrate the effects of sheath criterion on the characteristics of the sheath.
文摘目的:研究通络祛痛膏治疗腰椎间盘突出症的临床疗效,并分析通络祛痛膏的疗效优势人群和使用禁忌。方法:选取我院符合寒湿型腰椎间盘突出症诊断标准及纳入标准的240例患者,随机分为对照组和治疗组,每组120例,再根据年龄、体重指数(body mass index,BMI)、病程将治疗组分成若干亚组。对照组采用针刺和康复训练治疗,针刺后采用“五点支撑法”进行康复训练,均为每周6次,2周为1个疗程。治疗组在对照组基础上,在康复训练后于相应穴位和疼痛部位给予通络祛痛膏贴敷,每次2~3片,每次贴敷时间8 h,qd,2周为1个疗程。结果:治疗前两组日本骨科协会评估治疗评分(Japanese Orthopaedic Association Scores,JOA)无显著差异;治疗后两组JOA评分均提高,治疗组明显高于对照组,两组比较有显著性差异(P<0.05)。治疗前两组McGill疼痛评分无显著性差异,治疗后两组McGill疼痛评分均降低,治疗组明显低于对照组,两组比较有显著性差异(P<0.05)。治疗组临床总有效率高于对照组,两组比较有显著性差异(P<0.05)。所有亚组均可改善腰椎间盘突出症疼痛,其中年龄>60岁、BMI<26.9、病程<3年为通络祛痛膏的疗效优势人群。结论:通络祛痛膏可显著提高寒湿型腰椎间盘突出症患者的腰椎功能,建议在临床中选择有相应特征的患者使用。