In the exploration process of Xinheya coalfield in Hantai, great physical character differences between pyrite of nodulelayer and that of coal seam were found.
在韩台煤田新和涯井田的勘探过程中发现,黄铁矿结核层与煤层中黄铁矿在物理性质方面存在较大差异。
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Nodule defects on dielectric multi-layer optical thin film are key factors resulting in laser-induced damage.