古希腊的艺术对许多国家的文化拥有巨大的影响力,从远古时代直至目前,尤其是在雕塑和建筑领域。古希腊的园林同他的雕刻、建筑一样,对罗马文化产生直接的影响,并通过罗马人对欧洲
Manganese phthalocyanine (MnPc)-Fe3O4 nanoparticles composite was prepared and characterized. The results show that MnPc are complexed on the surface of Fe3O4 n
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Leaching experiments on metakaolin show that the final Al extraction ratio reached in a batch reaction is strikingly influenced by the inferior pore structure g
Through measuring the coefficient of linear expansion,the structure and properties of the Li20-Al2O3-SiO2 low expansion glass ceramics containing B2O3 are studi
An altating current was applied to measure the impedance of a hardened cement paste with various contents of carbon fibres.When the free water content in the ha
在西方的神话传说中,有一种诺亚方舟可在大洪水中拯救地球上的生物。最近,俄罗斯建筑设计师设计出一种拱形的生态建筑,能在海面上漂浮,不但能抵御洪水,抗震性也很好,因此这种