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【答案】应助回帖
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leahongxia: 金币+50, 翻译EPI+1, ★★★很有帮助 2014-10-24 11:17:59
The ever-increasing disposal of solid wastes has imposed significant hazards on our environment. In this sense, the reduction, reuse and comprehensive utilization (for a high added value) of solid wastes have been the foremost research of many scholars, and is an inevitable trend of our country for developing circular economy and realizing sustainable development. The solid wastes contain the major components for preparing glass ceramics, and display a microstructure similar to that of glass ceramics, which enable the preparation of slag-derived glass ceramics. The slag-derived special glass ceramics, as a kind of composites integrating the characteristics of crystalline phase and glass, are prepared from low-grade solid wastes through high-temperature melting, forming and thermal treatment. They are featured by such merits as high mechanical strength, tunable thermal expansion property, high thermal shock resistance, high chemical corrosion resistance and low dielectric loss, and can be widely applied in the fields of mechanical manufacturing, optics, electronics/microelectronics, aviation, chemistry, industry, biomedicine and construction. As such, the preparation of slag-derived glass ceramics, with the advantages of high added value, wide composition range and good solidification effect of harmful substances, has been a hotspot for the reuse of solid wastes. However, the industrial production of slag-derived glass ceramics is still not sufficiently realized due to long production cycle, high energy consumption and high cost. The microwave-based heat source, compared to other, traditional heat sources, has such advantages as high heating rate, short sintering time, controllable microstructure, low energy consumption and low pollution, and is receiving extensive attention now. Therefore, the introduction of microwave treatment in the preparation of slag-derived glass ceramics is of significant importance to both fundamental research and practical application.
你这个汉语就有些啰哩啰唆，很多地方写的也不太清楚啊！ |
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