利用化学镀镍工艺制备空心微珠基红外低发射率材料，对其表面形貌，并重点对其吸收率、发射率和热辐射能等红外性能进行表征。
Low infrared emissivity materials based on hollow particles are prepared by chemical Ni-coated processing, and surface morphology, absorbance, emissivity and infrared radiant energy are characterized.
港珠澳大桥是世界上最长的海基工程，它将这三个城市的人们聚集在一个“一小时生活圈”内。
Hong Kong-Zhuhai-Macao Bridge, the world's longest sea-based project, brings people in those three cities within a "one-hour living circle".
采用搅拌铸造法，在纯铝中加入粉煤灰微珠颗粒作为增强体，制备铝基粉煤灰微珠复合材料。
The effect of various parameters on aluminum matrix composite including fly ash micro-sphere particles act as reinforced phase was investigated by using stirring casting technique.
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