针对风力涡轮机表面缺陷类型多、尺度差异大与特征提取困难等问题,提出了改进YOLOv7(you only look once version 7)算法用于风力涡轮机表面缺陷检测。首先,采用渐进金字塔网络(asymptotic feature pyramid network,AFPN)替换YOLOv7网...针对风力涡轮机表面缺陷类型多、尺度差异大与特征提取困难等问题,提出了改进YOLOv7(you only look once version 7)算法用于风力涡轮机表面缺陷检测。首先,采用渐进金字塔网络(asymptotic feature pyramid network,AFPN)替换YOLOv7网络中的路径聚合特征金字塔网络(path aggregation feature pyramid network,PAFPN),解决了多尺度融合过程中特征丢失和退化问题,并降低了模型复杂度;其次,采用扩充的高效聚合网络(efficient layer aggregation network-wide,ELAN-W)模块替换了AFPN中的基础模块,提高了模型的特征提取能力;最后,在颈部网络输入端以卷积和空间组增强(spatial group-wise enhance,SGE)注意力机制构建了卷积注意力模块,提升了模型对检测目标的定位能力和检测性能。实验结果表明,改进YOLOv7算法对风力涡轮机表面缺陷检测的平均精度均值、检测速度分别达到了85.4%、133.0帧/s,相较于原版YOLOv7算法分别提升了1.8%、17.7%。该研究成果能够有效地提升风力涡轮机表面缺陷检测性能。展开更多
目的探究急性大面积脑梗死患者开展开颅去大骨瓣减压联合康复治疗的临床效果。方法选择2021年2月—2023年2月高密市人民医院收治的46例急性大面积脑梗死患者为研究对象,按随机数表法分为研究组和对照组,各23例。所有患者全部开展开颅去...目的探究急性大面积脑梗死患者开展开颅去大骨瓣减压联合康复治疗的临床效果。方法选择2021年2月—2023年2月高密市人民医院收治的46例急性大面积脑梗死患者为研究对象,按随机数表法分为研究组和对照组,各23例。所有患者全部开展开颅去大骨瓣减压术治疗,对照组予以基础康复治疗,研究组予以综合康复治疗。比较两组患肢关节改良Ashworth分级(Modified Ashworth Scale,MAS)、美国国立卫生研究院卒中量表(National Institute of Health Stroke Scale,NIHSS)、Fugl-Meyer肢体运动功能量表(Fugl-Meyer Assessment,FMA)、Barthel指数(Barthel Index,BI)影响。结果治疗前,两组MAS评分、NIHSS评分、FMA评分、BI指数比较,差异无统计学意义(P均>0.05)。治疗后,研究组NIHSS评分(15.26±2.21)分、MAS评分(1.18±0.42)分,低于对照组的(17.21±2.70)分、(1.96±0.37)分,差异有统计学意义(t=2.680、6.683,P均<0.05)。治疗后,研究组FMA评分(59.90±8.23)分、BI指数(81.96±10.59)分,高于对照组的(55.50±3.69)分、(72.25±13.36)分,差异有统计学意义(t=2.340、2.708,P均<0.05)。结论急性大面积脑梗死患者开展开颅去大骨瓣减压联合综合康复治疗的效果显著,可改善神经受损情况,提升肢体功能、自理能力。展开更多
Objective To study how to promote the smooth innovation and transformation of enterprises and enhance the market competitiveness of enterprises from the perspective of human resources organization development.In the w...Objective To study how to promote the smooth innovation and transformation of enterprises and enhance the market competitiveness of enterprises from the perspective of human resources organization development.In the wave of pharmaceutical industry reform,some entrepreneurs realize the importance of innovation and technology in the future.However,domestic pharmaceutical enterprises are still in the production-oriented stage.In the process of transformative innovation,pharmaceutical enterprises should not only rely on the support of scientific and technological and economic forces,but also need a suitable organizational change and many excellent talents as the source of development.Methods Through retrieving relevant literature and combined with the organizational development practice of X pharmaceutical enterprise,the organizational development model was explored in this paper.Results and Conclusion By forming a system of strategy,organization,talent,culture and mechanism,and building an organizational development model,we can improve the organizational atmosphere and organizational efficiency in the process of enterprise innovation and transformation,so as to enhance the competitiveness of enterprises in the market.展开更多
超声具有无辐射性、无创伤性、操作简便、经济快速、广泛应用等优点,目前已成为临床一线检查,在临床的作用越来越重要。文章结合影像专业本科生超声毕业实习轮转实际情况,通过不同角度分析影像专业本科生在超声实习工作中存在的问题,针...超声具有无辐射性、无创伤性、操作简便、经济快速、广泛应用等优点,目前已成为临床一线检查,在临床的作用越来越重要。文章结合影像专业本科生超声毕业实习轮转实际情况,通过不同角度分析影像专业本科生在超声实习工作中存在的问题,针对多方面的问题和不足提出对策,依据实际情况认真制定实习内容,充分利用医学影像信息系统(picture archiving and communication systems,PACS)和多种新媒体手段,探讨新的教学方法,完善实习学习计划,注重操作方面的考核考察,促使超声实习教学工作不断发展,提升教学效果,使学生获得更全面的实际操作能力,提升综合素质,为毕业后的专业硕士学习及顺利开展临床工作夯实基础。展开更多
文摘目的探究急性大面积脑梗死患者开展开颅去大骨瓣减压联合康复治疗的临床效果。方法选择2021年2月—2023年2月高密市人民医院收治的46例急性大面积脑梗死患者为研究对象,按随机数表法分为研究组和对照组,各23例。所有患者全部开展开颅去大骨瓣减压术治疗,对照组予以基础康复治疗,研究组予以综合康复治疗。比较两组患肢关节改良Ashworth分级(Modified Ashworth Scale,MAS)、美国国立卫生研究院卒中量表(National Institute of Health Stroke Scale,NIHSS)、Fugl-Meyer肢体运动功能量表(Fugl-Meyer Assessment,FMA)、Barthel指数(Barthel Index,BI)影响。结果治疗前,两组MAS评分、NIHSS评分、FMA评分、BI指数比较,差异无统计学意义(P均>0.05)。治疗后,研究组NIHSS评分(15.26±2.21)分、MAS评分(1.18±0.42)分,低于对照组的(17.21±2.70)分、(1.96±0.37)分,差异有统计学意义(t=2.680、6.683,P均<0.05)。治疗后,研究组FMA评分(59.90±8.23)分、BI指数(81.96±10.59)分,高于对照组的(55.50±3.69)分、(72.25±13.36)分,差异有统计学意义(t=2.340、2.708,P均<0.05)。结论急性大面积脑梗死患者开展开颅去大骨瓣减压联合综合康复治疗的效果显著,可改善神经受损情况,提升肢体功能、自理能力。
文摘Objective To study how to promote the smooth innovation and transformation of enterprises and enhance the market competitiveness of enterprises from the perspective of human resources organization development.In the wave of pharmaceutical industry reform,some entrepreneurs realize the importance of innovation and technology in the future.However,domestic pharmaceutical enterprises are still in the production-oriented stage.In the process of transformative innovation,pharmaceutical enterprises should not only rely on the support of scientific and technological and economic forces,but also need a suitable organizational change and many excellent talents as the source of development.Methods Through retrieving relevant literature and combined with the organizational development practice of X pharmaceutical enterprise,the organizational development model was explored in this paper.Results and Conclusion By forming a system of strategy,organization,talent,culture and mechanism,and building an organizational development model,we can improve the organizational atmosphere and organizational efficiency in the process of enterprise innovation and transformation,so as to enhance the competitiveness of enterprises in the market.
文摘超声具有无辐射性、无创伤性、操作简便、经济快速、广泛应用等优点,目前已成为临床一线检查,在临床的作用越来越重要。文章结合影像专业本科生超声毕业实习轮转实际情况,通过不同角度分析影像专业本科生在超声实习工作中存在的问题,针对多方面的问题和不足提出对策,依据实际情况认真制定实习内容,充分利用医学影像信息系统(picture archiving and communication systems,PACS)和多种新媒体手段,探讨新的教学方法,完善实习学习计划,注重操作方面的考核考察,促使超声实习教学工作不断发展,提升教学效果,使学生获得更全面的实际操作能力,提升综合素质,为毕业后的专业硕士学习及顺利开展临床工作夯实基础。
