摘要
粘土作为一种重要的矿产资源在国际市场和利用方面具有重要的作用,从美国粘土资源近10余年来的生产总值、产量、价格以及进出口方面分析美国粘土资源状况,在一定程度上,揭示出国际粘土资源的产售趋势。
As an important mineral resource, clay plays an important role in the international market and resource utilization. The authors analyse the present status of clay resources from its total production, quantity, price, as well as import and export in the United States for recent 10 more years. To some extent, it can reveal the trend of production and sale of clay resources.
出处
《资源环境与工程》
2008年第6期640-643,共4页
Resources Environment & Engineering
关键词
美国
粘土
产售趋势
the United States
clay
trend of production and sale