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중국 농촌 지역의 소득 빈곤과 다차원적 빈곤의 구조 분석
서성성 ( Xu¸ Shengxing ),왕효봉 ( Xiaofeng¸ Wang ),양리리 ( Lili¸ Yang ),김중기 ( Kim¸ Jung-gi ) 한국유기농업학회 2021 韓國有機農業學會誌 Vol.29 No.4
The characteristics of poverty can be comprehensively revealed from the two angles of income and multidimensional. This paper compares China’s rural income poverty measure with multidimensional poverty index using data from China Family Panel Studies (CFPS) by focusing on the static and dynamic disparities, and analyzes the factors influencing poverty through the Logit model. The results show that there exists a substantial mismatch in who is deemed poor, 60 percent of multidimensional poverty households are not considered poor in terms of income poverty, and 70 percent of income poverty households are not considered poor in terms of multidimensional poverty; There is a high level of disparity between the dynamics of the two measures of poverty. Among those who rose in the income dimension, only about 7 percent also rose in the multidimensional measure from 2016 to 2018.
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KLK6 Promotes Growth, Migration, and Invasion of Gastric Cancer Cells
Shengxing Zhu,Jihua Shi,Shanfeng Zhang,Zhen Li 대한위암학회 2018 Journal of gastric cancer Vol.18 No.4
Purpose: Kallikrein (KLK) proteases are hormone-like signaling molecules with critical functions in different cancers. This study investigated the expression of KLK6 in gastric cancer and its potential role in the growth, migration, and invasion of gastric cancer cells. Materials and Methods: In this study, we compared protein levels of KLK6, vascular endothelial growth factor (VEGF), and matrix metallopeptidase (MMP) 9 in normal gastric epithelial and gastric cancer cell lines by western blot. Fluorescence-activated cell sorting was employed to sort 2 clones of SGC-7901 cells with distinct KLK6 expression, namely, KLK6-high (KLK6high) and KLK6-low (KLK6low), which were then expanded. Lastly, immunohistochemical analysis was performed to investigate KLK6 expression in gastric cancer patients. Results: The expression levels of KLK6, VEGF, and MMP 9, were significantly higher in the gastric cancer cell lines SGC-7901, BGC-823, MKN-28, and MGC-803 than in the normal gastric epithelial cell line GES-1. Compared to KLK6low cells, KLK6high cells showed enhanced viability, colony-forming ability, migration, and invasion potential in vitro. Importantly, immunohistochemical analysis of a human gastric cancer tissue cohort revealed that the staining for KLK6, VEGF, and MMP9 was markedly stronger in the cancerous tissues than in the adjacent normal tissues. KLK6 expression also correlated with that of VEGF and MMP9 expression, as well as several key clinicopathological parameters. Conclusions: Together, these results suggest an important role for KLK6 in human gastric cancer progression.
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KLK6 Promotes Growth, Migration, and Invasion of Gastric Cancer Cells
Zhu, Shengxing,Shi, Jihua,Zhang, Shanfeng,Li, Zhen The Korean Gastric Cancer Association 2018 Journal of gastric cancer Vol.18 No.4
Purpose: Kallikrein (KLK) proteases are hormone-like signaling molecules with critical functions in different cancers. This study investigated the expression of KLK6 in gastric cancer and its potential role in the growth, migration, and invasion of gastric cancer cells. Materials and Methods: In this study, we compared protein levels of KLK6, vascular endothelial growth factor (VEGF), and matrix metallopeptidase (MMP) 9 in normal gastric epithelial and gastric cancer cell lines by western blot. Fluorescence-activated cell sorting was employed to sort 2 clones of SGC-7901 cells with distinct KLK6 expression, namely, KLK6-high ($KLK6^{high}$) and KLK6-low ($KLK6^{low}$), which were then expanded. Lastly, immunohistochemical analysis was performed to investigate KLK6 expression in gastric cancer patients. Results: The expression levels of KLK6, VEGF, and MMP 9, were significantly higher in the gastric cancer cell lines SGC-7901, BGC-823, MKN-28, and MGC-803 than in the normal gastric epithelial cell line GES-1. Compared to $KLK6^{low}$ cells, $KLK6^{high}$ cells showed enhanced viability, colony-forming ability, migration, and invasion potential in vitro. Importantly, immunohistochemical analysis of a human gastric cancer tissue cohort revealed that the staining for KLK6, VEGF, and MMP9 was markedly stronger in the cancerous tissues than in the adjacent normal tissues. KLK6 expression also correlated with that of VEGF and MMP9 expression, as well as several key clinicopathological parameters. Conclusions: Together, these results suggest an important role for KLK6 in human gastric cancer progression.
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Pore Size Distribution of Cement Mortar Prepared with Crushed Limestone Sand
Xudong Chen,Shengxing Wu,Jikai Zhou 대한토목학회 2016 KSCE JOURNAL OF CIVIL ENGINEERING Vol.20 No.2
Recently, the use of crushed sand obtained from limestone-quarried is growing especially in the countries where river sand is not quite available. In the paper, the results from an experimental investigation are presented, which evaluates the pore structure of mortar mixtures where fine aggregate is replaced by Crushed Limestone Sand (CLS). The behavior of pore structure of CLS mortar was compared to that of mortars prepared from Nature River Sand (NRS). A Mercury Porosimeter Intrusion (MIP) is adopted to study the behavior of pore size distribution. Both CLS and NRS mortar with four water-cement ratios and five sand-cement ratios are used to determine pore structure. An analytical model was established to compare changes in pore structure for different water cement ratio and volume of sand, and the model was based on the test results.
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Device Architectures for Enhanced Photon Recycling in Thin-Film Multijunction Solar Cells
Sheng, Xing,Yun, Myoung Hee,Zhang, Chen,Al-Okaily, Ala'a M.,Masouraki, Maria,Shen, Ling,Wang, Shuodao,Wilson, William L.,Kim, Jin Young,Ferreira, Placid,Li, Xiuling,Yablonovitch, Eli,Rogers, John A. Wiley (John WileySons) 2015 Advanced Energy Materials Vol.5 No.1
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