Ceramic engineering is the science and technology of creating objects from inorganic, non-metallic materials. This is done either by the action of heat, or at lower temperatures using precipitation
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题名: Influence of Gamma Ray Irradiation on Absorption and Fluorescent Spectra of Nd :YAG and Yb: YAG Laser Crystals 作者: SUN Dun-Lu ; ZHANG Qing-Li ; XIAO Jing ...
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Boat definition, a vessel for transport by water, constructed to provide buoyancy by excluding water and shaped to give stability and permit propulsion. See more.