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纳米陶瓷及纳米陶瓷粉体的制备 总被引:2,自引:0,他引:2
纳米陶瓷作为一种21世纪新型材料由于在力学、热学、磁学、电学等方面的特殊性能而成为当今材料研究的热点。本文简要介绍了纳米陶瓷所具有的特性、应用与发展前景,着重论述了纳米陶瓷粉体的制备方法、基本原理及其特点。 相似文献
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磷系新材料是一类高技术多功能材料,作为微电子工业材料、新型能源材料、生物医用材料、光学材料和特种阻燃料等在高新技术领域里具有重要的应用.详细论述丁磷系高技术材料国内外的发展概况,重要品种的制备和应用,对加快我国磷系高技术材料的发展提出了相应的建议. 相似文献
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Polymeric nanostructured materials (PNMs), which are polymeric materials in nanoscale or polymer composites containing nanomaterials, have become increasingly useful for biomedical applications. In specific, advances in polymer-related nanoscience and nanotechnology have brought a revolutionary change to produce new biomaterials with tailored properties and functionalities for targeted biomedical applications. These materials, including micelles, polymersomes, nanoparticles, nanocapsules, nanogels, nanofibers, dendrimers and nanocomposites, have been widely used in drug delivery, gene therapy, bioimage, tissue engineering and regenerative medicine. This review presents a comprehensive overview on the various types of PNMs, their fabrication methods and biomedical applications, as well as the challenges in research and development of future PNMs. 相似文献
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中国镁资源优势及镁质化工材料发展方向 总被引:3,自引:2,他引:3
镁质化工材料属于镁质材料的一种,包括镁盐中各类产品,广泛应用于国民经济中的各个领域。其原料来源广,储量丰富,主要包括含镁非金属矿、海水、卤水、盐湖苦卤,以及化工、冶金、轻工等行业副产物,可通过机械加工法或化学加工法制取不同规格、不同类型的镁质化工材料。重点介绍了活性氧化镁、电工级氧化镁、硅钢级氧化镁、高纯氧化镁等开发与生产现状;分析了中国具有丰富的镁资源和能源、多种工艺路线生产镁质化工材料,以及精细镁产品发展迅速的优势,建议建立万吨级骨干企业,发挥原料及生产方法多样、镁产品品种齐全的优势,采用先进设备,提升自控水平和精细化率,满足国内外市场的需求。 相似文献
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纳米结构聚合物材料是一类具有广泛应用前景的新材料,在许多领域都具有良好的应用潜力。本文介绍了纳米结构聚合物材料的制备技术,并综述了纳米结构聚合物材料在生物医学、储能、光电材料、检测分析等方面的应用研究进展。 相似文献
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A. N. Tabachenko L. A. Martsunova A. B. Skosyrskii N. N. Belov N. T. Yugov S. A. Afanas’eva 《Theoretical Foundations of Chemical Engineering》2010,44(5):723-728
The means of production of nanostructured composite materials by the method of self-propagating high-temperature synthesis (SHS) with the application of pressure to the product of combustion and by the method of intensive plastic three-sided a,b,c deformation are considered. A composite material of combined structure is developed, which is a layer system, one of the layers of which is a product of the exothermic reaction of the Ti-B-Ni system in the form of an interlayer produced by pressing the heated SHS product, and the other layer is inert, the role of which is played by the metal layer. The properties of the developed materials, including the TiB2 + B4C-based ceramic metal, are studied under the conditions of high-speed impact. 相似文献
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浅谈高分子化工材料在我国的发展 总被引:2,自引:0,他引:2
介绍了高分子化工材料的基本概念和特点、分类和命名,以及自20世纪中叶以来在国内的发展现状和在国民经济中的作用。目前来说,在工业生产中常用的高分子化工材料有稀土催化材料、高分子智能材料、聚烯烃材料和生物医用材料。高分子化工材料这一学科的发展现在已经取得了令人瞩目的成线绩,是非常有发展前途的一门学科。 相似文献
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Modified versions of the Zener drag equation were obtained by evaluating a non-random distribution of incoherent ceramic particles in a nano-crystalline material. Analytical investigation of particle-boundary correlation indicates that the limiting grain size would be proportional to fV?1/3 for fV larger than 2.96%. The limiting grain size can be obtained by a combination of random and non-random Zener drag pressure in the case of volume fractions smaller than 2.96%. 相似文献