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作者:Brainard, Jeffrey
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作者:Owens, Kellie; Chapman, Carolyn; Caplan, Arthur
作者单位:New York University; New York University
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作者:Emonts, Bjorn H. C.; Lehnert, Matthew D.; Yoon, Ilsang; Mandelker, Nir; Villar-Martin, Montserrat; Miley, George K.; De Breuck, Carlos; Perez-Torres, Miguel A.; Hatch, Nina A.; Guillard, Pierre
作者单位:National Radio Astronomy Observatory (NRAO); Universite Claude Bernard Lyon 1; Ecole Normale Superieure de Lyon (ENS de LYON); Centre National de la Recherche Scientifique (CNRS); Centre National de la Recherche Scientifique (CNRS); Sorbonne Universite; Hebrew University of Jerusalem; University of California System; University of California Santa Barbara; Yale University; Leiden University; Leiden University - Excl LUMC; European Southern Observatory; Consejo Superior de Investigaciones Cientificas (CSIC); CSIC - Instituto de Astrofisica de Andalucia (IAA); University of Zaragoza; European University Cyprus; University of Nottingham; Institut Universitaire de France
摘要:The growth of galaxies in the early Universe is driven by accretion of circum-and intergalactic gas. Simulations have predicted that steady streams of cold gas penetrate the dark matter halos of galaxies and provide the raw material necessary to sustain star formation. We report a filamentary stream of gas that extends for 100 kiloparsecs and connects to the massive radio galaxy 4C 41.17. We detected the stream using submillimeter observations of the 3P1 to 3P0 emission from the [C I] line of ...
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作者:Hanc, Pavel; Gonzalez, Rodrigo J.; Mazo, Irina B.; Wang, Yidi; Lambert, Talley; Ortiz, Gloria; Miller, Evan W.; von Andrian, Ulrich H.
作者单位:Harvard University; Harvard Medical School; Harvard University; Massachusetts Institute of Technology (MIT); Ragon Institute; Harvard University; Harvard Medical School; University of California System; University of California Berkeley; University of California System; University of California Berkeley; University of California System; University of California Berkeley
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作者:Feng, Qiang; Wang, Qian; Zhu, Jieping
作者单位:Swiss Federal Institutes of Technology Domain; Ecole Polytechnique Federale de Lausanne
摘要:The Wacker process, which is widely used to convert monosubstituted alkenes into the corresponding methyl ketones, is thought to proceed through a PdII/Pd0 catalytic cycle involving a b-hydride elimination step. This mechanistic scenario is inapplicable to the synthesis of ketones from the 1,1-disubstituted alkenes. Current approaches based on semi-pinacol rearrangement of PdII intermediates are limited to the ring expansion of highly strained methylene cyclobutane derivatives. Herein, we repo...
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作者:Du, Luojun; Molas, Maciej R.; Huang, Zhiheng; Zhang, Guangyu; Wang, Feng; Sun, Zhipei
作者单位:Aalto University; Chinese Academy of Sciences; Institute of Physics, CAS; Chinese Academy of Sciences; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; University of Warsaw; Songshan Lake Materials Laboratory; University of California System; University of California Berkeley; Northwest University Xi'an
摘要:Moir?? superlattices, the artificial quantum materials, have provided a wide range of possibilities for the exploration of completely new physics and device architectures. In this Review, we focus on the recent progress on emerging moir?? photonics and optoelectronics, including but not limited to moir?? excitons, trions, and polaritons; resonantly hybridized excitons; reconstructed collective excitations; strong mid-and far-infrared photoresponses; terahertz single-photon detection; and symme...
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作者:Yamamoto, Keith R.
作者单位:University of California System; University of California San Francisco
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作者:Gostin, Lawrence O.; Wetter, Sarah
作者单位:Georgetown University
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作者:Brainard, Jeffrey
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作者:Akinrinade, Ibukun; Kareklas, Kyriacos; Teles, Magda C.; Reis, Thais K.; Gliksberg, Michael; Petri, Giovanni; Levkowitz, Gil; Oliveira, Rui F.
作者单位:Instituto Gulbenkian de Ciencia; Weizmann Institute of Science; Weizmann Institute of Science; Instituto Superior Psicologia Aplicada (ISPA); Instituto Universitario de Lisboa; Fundacao Champalimaud; University of Calgary
摘要:Emotional contagion is the most ancestral form of empathy. We tested to what extent the proximate mechanisms of emotional contagion are evolutionarily conserved by assessing the role of oxytocin, known to regulate empathic behaviors in mammals, in social fear contagion in zebrafish. Using oxytocin and oxytocin receptor mutants, we show that oxytocin is both necessary and sufficient for observer zebrafish to imitate the distressed behavior of conspecific demonstrators. The brain regions associa...