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浅析体育运动与城市环境因素的关系
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作者 刘新光 《科技资讯》 2008年第16期229-,共1页
本文通过文献法、问卷法、数理统计法等方法,研究城市背景下环境因素对体育运动的影响,以促进体育运动更好发展。
关键词 体育运动 城市环境因素 关系
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国家高新区创新效率及其城市环境因素影响分析 被引量:9
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作者 王京雷 赵静 陈升 《企业经济》 北大核心 2022年第3期100-111,共12页
国家高新区创新效率是观测我国创新整体发展水平的重要窗口。研究采用数据包络分析方法(DEA)和曼奎斯特指数(Malmquist index),对我国国家高新区的静态与动态创新效率进行测算,并利用逐步回归方法,探索影响国家高新区创新效率的主要城... 国家高新区创新效率是观测我国创新整体发展水平的重要窗口。研究采用数据包络分析方法(DEA)和曼奎斯特指数(Malmquist index),对我国国家高新区的静态与动态创新效率进行测算,并利用逐步回归方法,探索影响国家高新区创新效率的主要城市环境因素。研究发现:我国国家高新区创新效率的整体水平不高,呈现波动式上升趋势,规模效率均值高于纯技术效率均值;虽然技术效率变化均值为正,但由于技术进步的迟滞效应,导致了全要素生产率的下降;城市对外开放水平对综合技术效率和规模效率均具有正向的积极作用,城市金融发展水平对纯技术效率具有正向影响,城市科技财政水平对创新效率具有显著的负向影响。据此,提出了扩大城市对外开放水平、提升城市金融发展水平与优化城市科技财政支出等建议,以进一步推动国家高新区创新效率的提升。 展开更多
关键词 国家高新区 创新效率 城市环境因素 DEA 逐步回归
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The Experience of Model Minority for High- and Low-Income Asian American Students
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作者 Amy Yun-Ping Chen 《Sociology Study》 2016年第4期211-218,共8页
The author examines the differentiation of self-identity, school treatment, and academic struggle between two Asian American students in U.S. Midwest urban school environments. Using an interview study, the author foc... The author examines the differentiation of self-identity, school treatment, and academic struggle between two Asian American students in U.S. Midwest urban school environments. Using an interview study, the author focuses on understanding the students' perspectives in relation to the label of model minority. The purpose of the study is to investigate how social, academic, and economic factors affect these students, including different outcomes in terms of school achievement and self-identity formation. The findings aim to help urban educators approach complex factors regarding minority students' educational opportunities. Comprehensive results identified that: (1) The concept of model minority significantly affects Asian American students at all levels of daily life; (2) Urban schools continue reinforcing social reproduction and producing perceptions based on socioeconomic background and intersectional discrimination; (3) The evidence in the study shows that school environments do not aid students in valuing their cultural capital; (4) Students from different social classes present different linguistic and behavioral patterns; and (5) Social stratification significantly influences students' perspectives in response to the Asian stereotype, self-identity, and racial hierarchy in school and society. 展开更多
关键词 Cultural capital racial hierarchy model minority SELF-IDENTITY social reproduction
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Stature of Han Chinese dialect groups:a most recent survey 被引量:2
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作者 李咏兰 郑连斌 +6 位作者 席焕久 宋雪 宇克莉 田金源 温有峰 包金萍 张兴华 《Science Bulletin》 SCIE EI CAS CSCD 2015年第5期565-569,共5页
The height of 26,940 Chinese Han adults (16,503 rural and 10,437 urban adults) from 11 Han ethnic groups was measured and analyzed in the current survey. The top three highest dialect groups in rural Han populations... The height of 26,940 Chinese Han adults (16,503 rural and 10,437 urban adults) from 11 Han ethnic groups was measured and analyzed in the current survey. The top three highest dialect groups in rural Han populations are Jianghuai (male 167.3± 6.4 cm, female 156.5 ±5.6 cm), North China (male 167.3 ± 6.4 cm, female 155.7± 5.7 cm), and Wu (male 166.7 ± 6.9 cm, female 155.6 ± 5.9 cm) groups. In urban Han populations, the top three groups are as follows: the Northeast China (male 169.5 ±6.7 cm, female 158.0 ±6.1 cm), North China (male 168.5 ± 6.2 cm, female 157.3±5.8 cm), and Jianghuai (male 169.2 ± 6.2cm, female 157.1 ± 5.6 cm) dialect groups. The Gan dialect group (male 164.0 ± 6.3 cm, female 153.9±5.0 cm) was the shortest in both rural and urban groups. The different stature of Han dialect groups may be a result of interaction between genetic background and different environmental factors, labor intensity, diet composition and nutrition intake in different areas in China. 展开更多
关键词 STATURE HEIGHT Han Chinese Dialect groups
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