Dielectric properties of coal

S.Marland; A.Merchant; N.Rowson

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Dielectric properties of coal

机译：煤的介电性能

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Dielectric measurements of UK coals have shown that electric permittivity decreases with coal rank(dry, mineral free basis), however, the moisture and mineral content may increase the bulk coal electric permittivity. Electric permittivity increases with low rank coals as a result of increasing moisture levels associated with low rank coals. The relative real permittivity of coal is greater than most composite mineral matter with the exception of pyrite, which may increase the bulk coal electric permittivity if present in sufficient quantity. No significant changes in electric permittivity were detected in the frequency range tested.

机译：英国煤的介电测量结果表明，介电常数随煤等级（干燥，不含矿物质）而降低，但是，水分和矿物质含量可能会提高散装煤的介电常数。低等级煤的介电常数由于与低等级煤相关的水分含量的增加而增加。煤的相对实际介电常数大于大多数复合矿物物质（黄铁矿除外），如果存在足够的量，这可能会提高整体煤的介电常数。在测试的频率范围内未检测到介电常数的显着变化。

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来源
《Fuel》 |2001年第13期|p.1839-1849|共11页
作者
S.Marland; A.Merchant; N.Rowson;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类燃料化学工业（总论）;热力工程、热机;
关键词
microwave energy; dielectric; permittivity; coal;

机译：微波能量电介质介电常数煤;

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Dielectric properties of coal

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