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Macrocycle-based covalent-organic-polymer as efficient oxygen electrocatalysts for zinc-air flow batteries
Covalent organic polymers (COPs), as emerging porous materials with well-defined architectures and high hydrothermal stability, have attracted extensive attention in the field of electrocatalysis. Herein, we report a rational design method for preparing oxygen reduction reaction electrocatalysts with the assistance of a predesigned macrocyclic COP model molecular. With the predesigned nitrogen position and structural features in macrocyclic chain-like COP-based materials, the obtained COPMCT-Co-900 catalyst provided excellent oxygen reduction performance, where the half-wave potential (E1/2) reaches 0.85 V (vs. RHE), comparable to commercial Pt/C. We also extended the strategy to similar mac...
Scientific Bulletin
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Wolf Totem and the Post-Mao Utopian
Wolf Totem and the Post-Mao Utopian by Li Xiaojiang explores the controversial best-selling novel by the political economist Jiang Rong as an allegory of utopia through discussion of an encyclopaedic range of scholarship in the humanities and social sciences that offer thinking on topics introduced in the novel. In promoting the significance of utopian thought, Li stresses that the term for her study, “post-utopian criticism,” is not the same as anti-utopian criticism, but an analytical approach to criticism in order to addresses the shortcomings of postmodern and postcolonial theories applied to contemporary China, and to open up interpretive space for the specific historical experience of its people and its utopian ideals.
Chinese Environmental Humanities
Chinese Environmental Humanities showcases contemporary ecocritical approaches to Chinese culture and aesthetic production as practiced in China itself and beyond. As the first collaborative environmental humanities project of this kind, this book brings together sixteen scholars from a diverse range of disciplines, including literary and cultural studies, philosophy, ecocinema and ecomedia studies, religious studies, minority studies, and animal or multispecies studies. The fourteen chapters are conceptually framed through the lens of the Chinese term huanjing (environment or “encircling the surroundings”), a critical device for imagining the aesthetics and politics of place-making, or “the practice of environing at the margin.” The discourse of environing at the margins facilitates consideration of the modes, aesthetics, ethics, and politics of environmental inclusion and exclusion, providing a lens into the environmental thinking and practices of the world’s most populous society.
Wolf Totem
Chen Zhen volunteers to live in a remote settlement on the border of Inner and Outer Mongolia. There, he discovers life of apparent idyllic simplicity based on an eternal struggle between the wolves and the humans in their fight to survive. Chen learns about the spiritual relationship which exists between these adversaries.
Late Quaternary Climate Change and Human Adaptation in Arid China
Due to political pressures, prior to the 1990s little was known about the nature of human foraging adaptations in the deserts, grasslands, and mountains of north western China during the last glacial period. Even less was known about the transition to agriculture that followed. Now open to foreign visitation, there is now an increasing understanding of the foraging strategies which led both to the development of millet agriculture and to the utilization of the extreme environments of the Tibetan Plateau. This text explores the transition from the foraging societies of the Late Paleolithic to the emergence of settled farming societies and the emergent pastoralism of the middle Neolithic striv...
