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质量动态能力与制造业企业转型升级效率——基于转型升级方式组合视角 被引量:4
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作者 张志强 曹坤鹏 刘璇 《软科学》 CSSCI 北大核心 2022年第6期71-77,共7页
以2017-2020年北京市188家制造型企业调查数据为样本,运用三阶段DEA模型探究转型升级效率,基于熵值法对质量动态能力赋权,利用Tobit方法研究不同转型升级方式组合视角下,四维质量动态能力对转型升级效率的影响。结果表明:(1)转型升级效... 以2017-2020年北京市188家制造型企业调查数据为样本,运用三阶段DEA模型探究转型升级效率,基于熵值法对质量动态能力赋权,利用Tobit方法研究不同转型升级方式组合视角下,四维质量动态能力对转型升级效率的影响。结果表明:(1)转型升级效率受规模效率、利好外因显著影响;(2)随着转型升级方式组合增多,质量动态能力对转型升级综合效率正向推动愈加明显;(3)四维质量动态能力对转型升级综合效率作用均为正相关,但影响程度与方式组合关系各异。最后提出建议:合理优化规模效率,利用外部环境因素,加快技术优势转化;优化质量资源配置、提升整合能力,融合多元转型升级方式,增进质量动态能力正向影响作用。 展开更多
关键词 转型升级 质量动态能力 三阶段DEA TOBIT回归
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Therapeutic efficacy and mechanism of heat-sensitive moxibustion for vascular dementia 被引量:4
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作者 Wang Min-chao Lin Li-hong Zhang Fu-qing 《Journal of Acupuncture and Tuina Science》 CSCD 2020年第1期47-52,共6页
Objective:To observe the clinical efficacy of heat-sensitive moxibustion for vascular dementia and explore its mechanism.Methods:A total of 70 patients with vascular dementia were randomized into an observation group ... Objective:To observe the clinical efficacy of heat-sensitive moxibustion for vascular dementia and explore its mechanism.Methods:A total of 70 patients with vascular dementia were randomized into an observation group and a control group,with 35 cases in each group.The control group was treated with piracetam,and the observation group was treated with heat-sensitive moxibustion on the basis of the treatment of the control group.The treatment lasted for 8 weeks.Before and after the treatment,the mini-mental state examination(MMSE),activity of daily living(ADL)and traditional Chinese medicine(TCM)symptom scores were assessed,and the levels of acetyl choline(Ach)and homocysteine(Hcy)were measured.The efficacy was evaluated after treatment.Results:The total effective rate of the observation group was significantly higher than that of the control group(P<0.05).After treatment,the MMSE and ADL scores in the observation group decreased significantly,and were lower than those in the control group(all P<0.05);the TCM symptom score of the observation group decreased significantly(P<0.05),while that of the control group had no significant change(P>0.05);the plasma Ach level in the observation group increased significantly(P<0.05),and the Hcy level decreased significantly(P<0.05),which were statistically different from those in the control group(both P<0.05).Conclusion:Heat-sensitive moxibustion plus piracetam is effective in treating vascular dementia.It can significantly improve dementia symptoms and ADL,which may be related to the correction of plasma Ach and Hcy levels. 展开更多
关键词 Moxibustion Therapy Moxa Stick Moxibustion Heat-sensitive Moxibustion Quality of Life Activities of Daily Living Mental Status and Dementia Tests Dementia Vascular
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