Social assistance is the last safety net in the social security system and plays a vital role in poverty alleviation in countries around the world. Promoting the equal financial assistance is meaningful to achieve equ...Social assistance is the last safety net in the social security system and plays a vital role in poverty alleviation in countries around the world. Promoting the equal financial assistance is meaningful to achieve equalization of social assistance. Based on the provincial panel data from 2002 to 2017, this paper analyzes the dynamic characteristics and main influencing factors of the equity of social assistance in China, using the Theil index and geographically weighted regression(GWR) model. The results suggest that the level of per capita social assistance expenditure(PSAE) in China keeps increasing year by year, but the changes in different regions and provinces are quite different. These changes not only significantly changed the spatial pattern of PSAE in China, but also greatly improved its spatial coupling with the deeply impoverished areas. Further analysis shows that the regional inequality of PSAE between provinces is obvious during the study period, and the inter-regional inequality is significantly higher than the intra-regional inequality.This makes inter-regional inequality become the main source of the regional inequality of PSAE in China for a long time. According to GWR results, there is obvious spatiotemporal heterogeneity in the influence intensity and direction of the per capita financial revenue,urbanization rate, urban unemployment rate, natural disaster-affected area, and transfer payment intensity on the PSAE. The urbanization rate and per capita financial revenue are the main driving factors of PSAE, and the impact intensity of per capita financial revenue tends to strengthen. The remaining three factors have a positive effect on PSAE, but the effect intensity is not high.展开更多
Using the ‘theoretical hypothesis—empirical study—case verification' method, this paper studies the spatial distribution and differentiation of port & shipping service enterprises(PSSE), as well as the vari...Using the ‘theoretical hypothesis—empirical study—case verification' method, this paper studies the spatial distribution and differentiation of port & shipping service enterprises(PSSE), as well as the variation process and underlying mechanism in the Yangtze River Delta(YRD). First, through inductive and deductive reasoning, we propose the following hypothesis: the regional distribution of different types of PSSE would show different spatial agglomeration-decentralization tendency; and there would be distinct regional differentiation in the industrial structure of the enterprises. Second, based on data obtained from enterprises, empirical research is conducted using Gini coefficient and spatial interpolation simulation methods. Results show that: 1) The overall enterprise distribution is decentralized within a city. 2) Different types of enterprises show different spatial agglomeration-decentralization tendencies. At 3000 m×3000 m grid scale, there is an agglomeration tendency along seas and rivers in the spatial distribution of enterprises. Shanghai has been identified consistently as a hot spot. 3) There is significant regional differentiation in 12 port cities with respect to the industrial structures of enterprises. Finally, the transportization and the increase of shipping service demand, the globalization and the expansion of multinational corporate activities, the hierarchization and the cooperation among port cities as well as the decentralization and the behavioral difference between the central and local states can be seen as main driving mechanism of the spatial phenomenon.展开更多
目的探讨图像分析技术在病理HE染色质量控制中的应用。方法选择2018年1月至2020年2月广东省惠州市第一妇幼保健院HE染色组织标本60份为研究对象,同一蜡块以3μm厚度连续切片4张,分别染色2、4、6、8min,其他操作程序完全一致。将不同染...目的探讨图像分析技术在病理HE染色质量控制中的应用。方法选择2018年1月至2020年2月广东省惠州市第一妇幼保健院HE染色组织标本60份为研究对象,同一蜡块以3μm厚度连续切片4张,分别染色2、4、6、8min,其他操作程序完全一致。将不同染色时间的4张切片给医生在多头显微镜下共揽,选出标准切片;利用Olympus BX41显微镜及图像采集放大40倍完成一张图片采集,并借助Image Pro Plus软件完成图片细胞核、浆的平均光密度(MOD);采用人工吸管选取法选取10次,比较两种实验方法一致性。结果60张HE染色切片分别采用显微镜观察和图像分析技术干预,结果表明:图像分析技术在消化系统疾病、乳腺及女性生殖系统疾病、皮肤疾病、头颈部疾病、心脏、肺、胸膜及胸腺病病理HE染色与显微镜观察具有高度一致性(P>0.05);两种方法下均完成HE染色,且图像分析技术与人工显微镜观察下细胞核与细胞浆的光密度值无明显差异,获得的图片相对清晰,均无掉片、污染,核仁清晰,整体颜色良好。结论图像分析技术用于病理HE染色中能获得较高的一致性,能获得较高的图像,且该方法在数据保存、诊断、教学中具有明显优势,值得推广应用。展开更多
基金Under the auspices of National Social Science Fund of China(No.18BJL126)。
文摘Social assistance is the last safety net in the social security system and plays a vital role in poverty alleviation in countries around the world. Promoting the equal financial assistance is meaningful to achieve equalization of social assistance. Based on the provincial panel data from 2002 to 2017, this paper analyzes the dynamic characteristics and main influencing factors of the equity of social assistance in China, using the Theil index and geographically weighted regression(GWR) model. The results suggest that the level of per capita social assistance expenditure(PSAE) in China keeps increasing year by year, but the changes in different regions and provinces are quite different. These changes not only significantly changed the spatial pattern of PSAE in China, but also greatly improved its spatial coupling with the deeply impoverished areas. Further analysis shows that the regional inequality of PSAE between provinces is obvious during the study period, and the inter-regional inequality is significantly higher than the intra-regional inequality.This makes inter-regional inequality become the main source of the regional inequality of PSAE in China for a long time. According to GWR results, there is obvious spatiotemporal heterogeneity in the influence intensity and direction of the per capita financial revenue,urbanization rate, urban unemployment rate, natural disaster-affected area, and transfer payment intensity on the PSAE. The urbanization rate and per capita financial revenue are the main driving factors of PSAE, and the impact intensity of per capita financial revenue tends to strengthen. The remaining three factors have a positive effect on PSAE, but the effect intensity is not high.
基金Under the auspices of National Natural Science Foundation of China(No.41771139,41671132,41801111)Natural Science Foundation of Jiangsu Province(No.BK20171516)Natural Science Foundation of Zhejiang Province(No.LY18D010004)
文摘Using the ‘theoretical hypothesis—empirical study—case verification' method, this paper studies the spatial distribution and differentiation of port & shipping service enterprises(PSSE), as well as the variation process and underlying mechanism in the Yangtze River Delta(YRD). First, through inductive and deductive reasoning, we propose the following hypothesis: the regional distribution of different types of PSSE would show different spatial agglomeration-decentralization tendency; and there would be distinct regional differentiation in the industrial structure of the enterprises. Second, based on data obtained from enterprises, empirical research is conducted using Gini coefficient and spatial interpolation simulation methods. Results show that: 1) The overall enterprise distribution is decentralized within a city. 2) Different types of enterprises show different spatial agglomeration-decentralization tendencies. At 3000 m×3000 m grid scale, there is an agglomeration tendency along seas and rivers in the spatial distribution of enterprises. Shanghai has been identified consistently as a hot spot. 3) There is significant regional differentiation in 12 port cities with respect to the industrial structures of enterprises. Finally, the transportization and the increase of shipping service demand, the globalization and the expansion of multinational corporate activities, the hierarchization and the cooperation among port cities as well as the decentralization and the behavioral difference between the central and local states can be seen as main driving mechanism of the spatial phenomenon.
文摘目的探讨图像分析技术在病理HE染色质量控制中的应用。方法选择2018年1月至2020年2月广东省惠州市第一妇幼保健院HE染色组织标本60份为研究对象,同一蜡块以3μm厚度连续切片4张,分别染色2、4、6、8min,其他操作程序完全一致。将不同染色时间的4张切片给医生在多头显微镜下共揽,选出标准切片;利用Olympus BX41显微镜及图像采集放大40倍完成一张图片采集,并借助Image Pro Plus软件完成图片细胞核、浆的平均光密度(MOD);采用人工吸管选取法选取10次,比较两种实验方法一致性。结果60张HE染色切片分别采用显微镜观察和图像分析技术干预,结果表明:图像分析技术在消化系统疾病、乳腺及女性生殖系统疾病、皮肤疾病、头颈部疾病、心脏、肺、胸膜及胸腺病病理HE染色与显微镜观察具有高度一致性(P>0.05);两种方法下均完成HE染色,且图像分析技术与人工显微镜观察下细胞核与细胞浆的光密度值无明显差异,获得的图片相对清晰,均无掉片、污染,核仁清晰,整体颜色良好。结论图像分析技术用于病理HE染色中能获得较高的一致性,能获得较高的图像,且该方法在数据保存、诊断、教学中具有明显优势,值得推广应用。
