55 research outputs found

    The experimental setup and materials.

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    <p>The experimental setup and materials.</p

    Test results from Experiments 1 and 2.

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    <p>(a) Mean looking time towards each object in the Shared Experience Phase in Experiments 1 and 2. (b) Proportion of trials in which infants initially pointed to the object that was “new” to E1 in the Pointing Phase of Experiments 1 and 2 (*<i>p</i> = .005). For both panels, error bars represent SEM.</p

    Pandemic

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    Group 1= Before pandemic, 2=After pandemicAge children's age groupPage parental ageParent 1=Father, 2=MotherFamily Family sizeEdu 1=less than high school, 2=high school, 3=some college, 4=undergraduate degree, 5=graduate levelSex 1=boy, 2 =girlJob days of work outside per weekSchool the number of days of children’s schooling per weekPlay the average hours of outside play per dayLesson the average hours of outsidelessons per daySleep Children’s sleep hoursBeh conduct problems Emo emotional symptomsCon hyperactivityPeer peer problemsPro prosocial behavior</div

    A Cheap Gas–Liquid–Solid Method for Nanodeposition of Iron on the Surface of Flaky Graphite Powder

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    A cheap gas–liquid–solid method to prepare a nanodeposition of iron on the surface of a micrometer-size flaky graphite powder is described. This method is suited not only for spherical, but also nonspherical small substrates. The method is only a one-step process, in which decomposition of iron pentacarbonyl is induced by nitrogen gas in a 90 °C reactor. This synthetic route simplifies the operation procedure and manufacturing equipment, and decreases the reaction temperature, compared with conventional liquid–solid-phase methods and gas–solid-phase methods

    Supplementary Information from Space and rank: infants expect agents in higher position to be socially dominant

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    Supplementary Information for ‘Space and rank: Infants expect agents in higher position to be socially dominant’

    Luminescent Electrophoretic Particles via Miniemulsion Polymerization for Night-Vision Electrophoretic Displays

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    A novel glowing electrophoretic display (EPD) is achieved by luminescent electrophoretic particles (EPs), which is potentially to improve the situation in which the existing EPDs disable in darkness. To combine both modes of reflective and emissive displays, a trilayer luminescence EP is designed and synthesized via an improved miniemulsion polymerization. The luminescence EP is composed of a pigment core, a polystyrene interlayer, and a fluorescent coating. The particle sizes are from 140 to 170 nm, and the size distribution is narrow. Their ζ potential value is −12.4 mV, which is enough to migrate in the electrophoretic fluid by the driving of an electric field. The display performance of the particles in an EPD cell has been characterized under the bias of 20 V. Both the reflectance (491 nm) and fluorescence (521 nm) intensities of the EPD cell remained in a constant range after 30 switches

    A General, One-Step and Template-Free Route to Rattle-Type Hollow Carbon Spheres and Their Application in Lithium Battery Anodes

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    A general, rapid, template-free, one-step, and continuous approach have been designed to rattle-type hollow carbon spheres (M@carbon, M = multiple Sn, Pt, Ag, or Fe-FeO nanoparticles) via ultrasonic spray pyrolysis of aqueous solutions containing sodium citrate and corresponding inorganic metal salts. The route involves the following three procedures: (1) initial generation of metal nanoparticles via the reduction of corresponding metal salts with sodium citrate in the hot liquid droplets and subsequent formation of a sodium citrate outer shell due to the tendency of free sodium citrate molecules to move to the periphery of the hot liquid droplets; (2) the formation of carbon outer shell via carbonization of the sodium citrate outer shell; and (3) the production of M@carbon via removing water-soluble byproduct. The content of encapsulated nanoparticles in M@carbon can be controlled via tuning the concentration of metal salts. Due to its novel structures, Sn@carbon exhibits high capacity and good cycle performance when they were used as anode materials for lithium batteries
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