- On the Persistence of the China Shock - d Dorn
Conflict of Interest Disclosure: The authors did not receive financial support from any firm or person for this article or from any firm or person with a financial or political interest in this article David Autor is on the Panel of Economic Advisers for the Congressional Budget Office, is a trustee of the Urban Institute, and is a member of the advisory boards of the Opportunity and
- Redalyc. Aportes de las teorías de Vygotsky, Piaget, Bandura y . . .
Vielma Vielma, Elma; Salas, María Luz Aportes de las teorías de Vygotsky, Piaget, Bandura y Bruner Paralelismo en sus posiciones en relación con el desarrollo Educere, vol 3, núm 9, junio, 2000, pp 30-37 Universidad de los Andes Mérida, Venezuela Cómo citar el artículo Número completo Más información del artículo
- A Jurassic Tibetan theropod tooth reveals dental convergency . . .
The Tibetan Plateau is among the least explored areas in terms of dinosaur paleontology in the world Here, we report a dromaeosaurid-like tooth from the Middle Jurassic Dongdaqiao Formation at the eastern part of the plateau The tooth exhibits dromaeosaurid dental features such as the absence of constriction at the cervix, a relatively small crown-to-base ratio, a strongly recurved apex, and
- category taxon H U BI Ref - ResearchGate
Buetreraptor
- 4221_MNA_Life__FinalCopyeditedScript_TC - aaas. org
Eighty-million years ago, all of North America, not just the Kaiparowits, was home to creatures like Lythronax And for the next 14-million years, our continent was like a dinosaur movie set, with a cast featuring some of the biggest superstars, like T rex, hadrosaurs and my favorite dinosaur, Triceratops
- THE UNIVERSITY OF CHICAGO
2006 2005 Society for Progress Medal, INSEAD, “For path-breaking research underscoring the core contemporary issue of labor adjustment in response to developments in trade and technology ” John Heinz Award, 25th Anniversary Special Recognition, “For transforming understanding of how globalization and technological change are impacting jobs and earning prospects for American workers ”
- 海底热液硫化物记录了部分海底热液活动的历史
物地层学研究以及古地理、古环境研究中具有重要的意义, 而且还为分析这一时期地球陆地生态系统中生物多样性的演变提供十分难得的资料目前狭义的热河生物群即辽宁西部、河北北 (部、内蒙古东南部等核心分布区) 的脊椎动物化石已知有效命名的至少有121 属142 种 其中, 哺乳类13 属15 种, 鸟类33
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