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    Two Decades of Research on Nano‐Energetic Materials .

    1. Is it useful to reduce particle size more and more or does an optimum of particle size exist? Aumann et al. 29 suggests that Al powder with 20–50 nm diameter burns 1000 times faster than micrometer particle mixtures because of reduced diffusion distances between individual reactants. However, increase in the burning rate was not observed for mixtures with particle diameters below 80 nm 30.

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    There are some technical limitations to the maximum size for a given single piece construction. In such cases, a multi-segmented target can be produced with the individual segments joined together by butt or beveled joints. . nano Erbium(Er2O3) oxide 20nm 99.8% < 0.2g/cm 3: 7.25g/cm 3: 23m 2 /g yellow . ytterbium oxide Yb2O3 lutetium oxide .

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    Perovskite oxide nanocrystals exhibit a wide spectrum of attractive properties such as ferroelectricity, piezoelectricity, dielectricity, ferromagnetism, magnetoresistance, and multiferroics. These properties are indispensable for applications in ferroelectric random access memories, multilayer ceramic capacitors, transducers, sensors and actuators, magnetic random access memories, and the .

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    Synthesis of GO. Two kinds of graphite were used for synthesizing GO by a modified Hummers method [21-23].In brief, 2 g of CEG (or CGP) and 1.5 g of NaNO 3 were added into 150 mL of 98% H 2 SO 4 solution in a flask which was immersed in an ice bath. Afterwards, 9 g of KMnO 4 was slowly added in the solution. Meanwhile, the temperature of the mixed solution was maintained below 20°C for 2 h to .

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    Jul 29, 2007· The phagocytic index, evaluated by particle number per cell, was shown to increase with lipid nanocapsule size 20 nm<50 nm<100 nm (ref. 77) and PEG5000-PHDCA particle size 80 nm<171 nm<243 nm (ref .

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    Jun 10, 2018· In this paper, we successfully synthesized a nano-size perovskite structured oxide, Nd 0.67 Sr 0.33 CoO 3-δ (NSC), as an air electrode catalyst of a Li-air battery through a simple inverse microemulsion (water-in-oil) route. The synthesized nano-size NSC particles achieved excellent catalytic activity for both ORR and OER.

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    Gas barrier properties of biodegradable polymer by .

    Jul 04, 2015· The tensile property of PLA/TiO2 5wt% was increased compared in pure PLA; mean that depended on the size of TiO2 (20-50nm) at relatively high contents such as 5 wt%.

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    Journal of Nanomaterials. . 20–50 nm, Figure 7(a)) reveals that the latter show a higher. increase of the modulus. Therefore ZnO particle size (specific . mediated nano size zinc oxide and .

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    The size of the ZnO particles precipitated from the emulsion system depended on the type of surfactant: cationic (40–50 nm), non-ionic (20–50 nm) or anionic (~20 nm). In summing up their work, Xu et al. noted that the size of the ZnO particles depends on the method of precipitation and the type of surfactant used.

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    nano alumina [particle size 20–50 nm, range 0–3 wt%] – Sodium hexa meta phosphate (0.2 wt%) 5: Black SiC grains (83 wt%) + Si powder (9 wt%) + SiO2 fumes (range 5.2–7.1 wt%) Silica sol (3–9 wt%) [Nano sized silica (particle size 100 nm) in silica sol range 0.9–2.8 wt%] – …

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    Effect of Nano-ZnO Particle Suspension on Growth of Mung .

    The present study demonstrates an effect of nano-ZnO particles on the growth of plant seedlings of mung (Vigna radiate) and gram (Cicer arietinum). The study was carried out in plant agar media to prevent precipitation of water-insoluble nanoparticles in the test units. Various concentrations of nano-ZnO particles in suspension form were introduced to the agar media, and their effect on the .

    Synthesis of silver nanoparticles: chemical, physical and .

    Silver nanoparticles (NPs) have been the subjects of researchers because of their unique properties (e.g., size and shape depending optical, antimicrobial, and electrical properties).A variety of preparation techniques have been reported for the synthesis of silver NPs; notable examples include, laser ablation, gamma irradiation, electron irradiation, chemical reduction, photochemical methods .

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    The Advancing of Zinc Oxide Nanoparticles for Biomedical .

    Zinc oxide nanoparticles (ZnO NPs) are used in an increasing number of industrial products such as rubber, paint, coating, and cosmetics. In the past two decades, ZnO NPs have become one of the most popular metal oxide nanoparticles in biological applications due to their excellent biocompatibility, economic, and low toxicity. ZnO NPs have emerged a promising potential in biomedicine .

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