China scheduled to complete the assembly of the T-shaped Tiangong Space Station in 2022,and will enter a new stage of utilization.There are more than 20 experiment racks inside the modules,and more than 50 external on...China scheduled to complete the assembly of the T-shaped Tiangong Space Station in 2022,and will enter a new stage of utilization.There are more than 20 experiment racks inside the modules,and more than 50 external onboard payloads mounting spaces,which will support large-scale science and technology experiments during the operation.The development of internal experiment racks and external research accommodations approved during the construction has been completed,of which 4 racks in Tianhe core module,including High Microgravity Level research Rack(HMLR)and Container-less Materials Processing Rack(CMPR),have finished on-orbit tests;while other racks in Wentian and Mengtian experiment modules are under comprehensive ground tests.The Chinese Space Survey Telescope(CSST)has advanced much in the last two years with 24 pre-launch research projects funded and 4 joint science center built in preparation for CSST’s future scientific observations and operations.The systematic research planning for China’s Space Station(CSS)during 2022-2032 is updated with the researches classified into four important areas:space life sciences and human research,microgravity physical sciences,space astronomy and Earth science,and new space technologies and applications.According to the planning,more than 1000 experiments are expected to perform in CSS during the operating period.Overall,the CSS utilization missions are proceeding as planned,which will contribute to the major scientific or application output and have a positive impact on the quality of life on Earth.展开更多
中国社会状况综合调查(Chinese Social Survey,CSS)是中国社会科学院发起的全国范围的大型纵贯调查。从2006年开始,CSS项目组至今已开展过9期调查,向公众开放了8期调查数据,为学术研究和政策研究提供了高质量数据库。为了让用户更加深...中国社会状况综合调查(Chinese Social Survey,CSS)是中国社会科学院发起的全国范围的大型纵贯调查。从2006年开始,CSS项目组至今已开展过9期调查,向公众开放了8期调查数据,为学术研究和政策研究提供了高质量数据库。为了让用户更加深入地了解和使用CSS数据,本文从研究设计、抽样设计、调查过程、基本变量含义说明、数据开放和获取等五个方面对CSS调查进行具体的介绍。展开更多
We assess how implicit selections based on non-cognitive abilities may have changed in the context of the great higher education expansion in China,applying the classic supply-demand framework and utilizing the Big Fi...We assess how implicit selections based on non-cognitive abilities may have changed in the context of the great higher education expansion in China,applying the classic supply-demand framework and utilizing the Big Five personality model.Using the Chinese General Social Survey(CGSS)data from 2012,difference-in-difference(DID),difference-in-difference-in-difference(DDD)and descriptive analyses establish the following three major findings.First,from the generation entering college before the expansion-post-70s-to the generation entering college after the expansion-post-80s and post-90s-implicit selections in higher education based on personality have weakened with the increased supply of higher education opportunities.Second,selections have significantly weakened in terms of the openness dimension of personality,yet there is some evidence that selections have strengthened in terms of conscientiousness.This reflects that open-mindedness has become a relatively higher supply trait and conscientiousness has become a relatively lower supply trait among members of the post-90s generation.Third,selections have weakened only on the openness dimension for males,but on multiple dimensions beginning with agreeableness for females,reflecting a greatly increased supply of higher education opportunities for females with this dominant trait.The finding on strengthened selections based on conscientiousness has important implications for what and how to educate today’s college students.展开更多
文摘China scheduled to complete the assembly of the T-shaped Tiangong Space Station in 2022,and will enter a new stage of utilization.There are more than 20 experiment racks inside the modules,and more than 50 external onboard payloads mounting spaces,which will support large-scale science and technology experiments during the operation.The development of internal experiment racks and external research accommodations approved during the construction has been completed,of which 4 racks in Tianhe core module,including High Microgravity Level research Rack(HMLR)and Container-less Materials Processing Rack(CMPR),have finished on-orbit tests;while other racks in Wentian and Mengtian experiment modules are under comprehensive ground tests.The Chinese Space Survey Telescope(CSST)has advanced much in the last two years with 24 pre-launch research projects funded and 4 joint science center built in preparation for CSST’s future scientific observations and operations.The systematic research planning for China’s Space Station(CSS)during 2022-2032 is updated with the researches classified into four important areas:space life sciences and human research,microgravity physical sciences,space astronomy and Earth science,and new space technologies and applications.According to the planning,more than 1000 experiments are expected to perform in CSS during the operating period.Overall,the CSS utilization missions are proceeding as planned,which will contribute to the major scientific or application output and have a positive impact on the quality of life on Earth.
文摘中国社会状况综合调查(Chinese Social Survey,CSS)是中国社会科学院发起的全国范围的大型纵贯调查。从2006年开始,CSS项目组至今已开展过9期调查,向公众开放了8期调查数据,为学术研究和政策研究提供了高质量数据库。为了让用户更加深入地了解和使用CSS数据,本文从研究设计、抽样设计、调查过程、基本变量含义说明、数据开放和获取等五个方面对CSS调查进行具体的介绍。
文摘We assess how implicit selections based on non-cognitive abilities may have changed in the context of the great higher education expansion in China,applying the classic supply-demand framework and utilizing the Big Five personality model.Using the Chinese General Social Survey(CGSS)data from 2012,difference-in-difference(DID),difference-in-difference-in-difference(DDD)and descriptive analyses establish the following three major findings.First,from the generation entering college before the expansion-post-70s-to the generation entering college after the expansion-post-80s and post-90s-implicit selections in higher education based on personality have weakened with the increased supply of higher education opportunities.Second,selections have significantly weakened in terms of the openness dimension of personality,yet there is some evidence that selections have strengthened in terms of conscientiousness.This reflects that open-mindedness has become a relatively higher supply trait and conscientiousness has become a relatively lower supply trait among members of the post-90s generation.Third,selections have weakened only on the openness dimension for males,but on multiple dimensions beginning with agreeableness for females,reflecting a greatly increased supply of higher education opportunities for females with this dominant trait.The finding on strengthened selections based on conscientiousness has important implications for what and how to educate today’s college students.