目的调查高龄二胎孕妇自我效能感状况和防御方式,了解主要心理问题。方法采用便利抽样抽取467名孕妇,采用一般自我效能感量表(GSES)和防御方式问卷(DSQ)分别对其自我效能感状况和防御方式进行调查,探究高龄二胎孕妇自我效能感、心理防...目的调查高龄二胎孕妇自我效能感状况和防御方式,了解主要心理问题。方法采用便利抽样抽取467名孕妇,采用一般自我效能感量表(GSES)和防御方式问卷(DSQ)分别对其自我效能感状况和防御方式进行调查,探究高龄二胎孕妇自我效能感、心理防御方式之间的关系。结果本次调查共发放问卷500份,收回有效问卷467份,问卷有效率93.4%。高龄二胎孕妇自我效能感的总体得分(26.97±5.17)分,低于适龄组的(28.67±5.25)分,差异有统计学意义(t=-2.414,P<0.05)。孕妇防御方式得分在学历上有差异,学历本科及以上组得分高于专科及以下组(49.66±6.62 vs. 47.23±7.13,P<0.01);孕妇防御方式得分在在职情况上有差异,在职组得分高于非在职组(49.35±6.56 vs. 47.60±7.77, P<0.05)。孕妇自我效能感与防御方式关系研究显示,成熟防御方式得分与自我效能感呈正相关(r=0.292,P<0.01)。结论高龄二胎孕妇应对压力的能力不足。护理人员应提供适当的心理干预措施,帮助孕妇科学认知自身防御方式现状并提高自我效能水平,使高龄二胎孕妇以更加健康的身心状态度过妊娠期和分娩期。展开更多
要:提出一种基于掩码区域卷积神经网络的文本检测模型。首先从扩大模型感受野并尽可能保持模型效率的角度出发,针对残差神经网络中的瓶颈结构进行优化,构建基于结构优化的残差神经网络(residual network based on structural optimizati...要:提出一种基于掩码区域卷积神经网络的文本检测模型。首先从扩大模型感受野并尽可能保持模型效率的角度出发,针对残差神经网络中的瓶颈结构进行优化,构建基于结构优化的残差神经网络(residual network based on structural optimization,ResNetSO);然后去除冗余特征以提高融合后特征质量,并将空间注意力机制应用于特征金字塔网络,构建了基于下层特征指导的特征金字塔网络(feature pyramid network based on lower feature guidance,FPNetLFG)。在两个公开数据集上的实验结果表明:包含ResNetSO和FPNetLFG两个模块的模型应用在级联区域卷积神经网络、递归特征金字塔和可切换空洞卷积的目标检测模型中,分别可以带来0.8%和0.3%左右的F1值提升,从而说明了该方法的有效性和普遍适用性。展开更多
[Objective] The paper was to select different fungicides for field efficacy test against pear scab in summer.[Method] Five treatments were designed in the test,including 10% difenoconazole WDG 6 000 times dilution,50%...[Objective] The paper was to select different fungicides for field efficacy test against pear scab in summer.[Method] Five treatments were designed in the test,including 10% difenoconazole WDG 6 000 times dilution,50% captan WP 600 times dilution,30% pyraclostrobin SC 2 000 times dilution,430 g/L tebuconazole 4 000 times dilution,and water(control).[Result] 10% Difenoconazole WDG 6 000 times dilution,50% captan WP 600 times dilution,30% pyraclostrobin SC 2 000 times dilution,430 g/L tebuconazole SC 4 000 times dilution had good control effects against pear scab,and the efficacies were 89.13%-93.51%.[Conclusion] The results will provide the theoretical basis for field control of pear scab in summer.展开更多
文摘目的调查高龄二胎孕妇自我效能感状况和防御方式,了解主要心理问题。方法采用便利抽样抽取467名孕妇,采用一般自我效能感量表(GSES)和防御方式问卷(DSQ)分别对其自我效能感状况和防御方式进行调查,探究高龄二胎孕妇自我效能感、心理防御方式之间的关系。结果本次调查共发放问卷500份,收回有效问卷467份,问卷有效率93.4%。高龄二胎孕妇自我效能感的总体得分(26.97±5.17)分,低于适龄组的(28.67±5.25)分,差异有统计学意义(t=-2.414,P<0.05)。孕妇防御方式得分在学历上有差异,学历本科及以上组得分高于专科及以下组(49.66±6.62 vs. 47.23±7.13,P<0.01);孕妇防御方式得分在在职情况上有差异,在职组得分高于非在职组(49.35±6.56 vs. 47.60±7.77, P<0.05)。孕妇自我效能感与防御方式关系研究显示,成熟防御方式得分与自我效能感呈正相关(r=0.292,P<0.01)。结论高龄二胎孕妇应对压力的能力不足。护理人员应提供适当的心理干预措施,帮助孕妇科学认知自身防御方式现状并提高自我效能水平,使高龄二胎孕妇以更加健康的身心状态度过妊娠期和分娩期。
文摘要:提出一种基于掩码区域卷积神经网络的文本检测模型。首先从扩大模型感受野并尽可能保持模型效率的角度出发,针对残差神经网络中的瓶颈结构进行优化,构建基于结构优化的残差神经网络(residual network based on structural optimization,ResNetSO);然后去除冗余特征以提高融合后特征质量,并将空间注意力机制应用于特征金字塔网络,构建了基于下层特征指导的特征金字塔网络(feature pyramid network based on lower feature guidance,FPNetLFG)。在两个公开数据集上的实验结果表明:包含ResNetSO和FPNetLFG两个模块的模型应用在级联区域卷积神经网络、递归特征金字塔和可切换空洞卷积的目标检测模型中,分别可以带来0.8%和0.3%左右的F1值提升,从而说明了该方法的有效性和普遍适用性。
基金Supported by Youth Fund Project of Hebei Academy of Agriculture and Forestry Sciences(2018020101)Science and Technology Plan of Hebei Province (16246327D)Special Financial Project of Hebei Province (F18R1908,2019-3-5-2)。
文摘[Objective] The paper was to select different fungicides for field efficacy test against pear scab in summer.[Method] Five treatments were designed in the test,including 10% difenoconazole WDG 6 000 times dilution,50% captan WP 600 times dilution,30% pyraclostrobin SC 2 000 times dilution,430 g/L tebuconazole 4 000 times dilution,and water(control).[Result] 10% Difenoconazole WDG 6 000 times dilution,50% captan WP 600 times dilution,30% pyraclostrobin SC 2 000 times dilution,430 g/L tebuconazole SC 4 000 times dilution had good control effects against pear scab,and the efficacies were 89.13%-93.51%.[Conclusion] The results will provide the theoretical basis for field control of pear scab in summer.