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Gold/1-butyl-3-methylimidazolium hexafluorophosphate (Au/[Bmim][PF6]) nanofluids containing different stabilizing agents were fabricated by a facile one-step chemical reduction method, of which the nanofluids stabilized by cetyltrimethylammonium bromide (CTABr) exhibited ultrahighly thermodynamic stability. The transmission electron microscopy, UV-visible… (More)
Weiwei Zhu and Xiaoyun Chai contributed equally to this work.
Municipal infrastructure industry includes numerous sub-industries, which manages massive multi-source spatial data and non-spatial data. Metadata provide guarantee for efficient data management. Traditional metadata system developed on single dataset level has difficulty in meeting the demand for municipal infrastructure comprehensive management.… (More)