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  • 匿名
关注：1 2013-05-23 12:21

求翻译：petrographic samples of 1 mm coal were mounted in polyester resin,polished and desiccated for at least 12h.Reflectance analvsis was performed before maceral analysis.A Leitz MPVL system was used to determine maximum reflectance of 50 collotelinite grains per bright coal sample for rank evaldation.The mean maximun re是什么意思？

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petrographic samples of 1 mm coal were mounted in polyester resin,polished and desiccated for at least 12h.Reflectance analvsis was performed before maceral analysis.A Leitz MPVL system was used to determine maximum reflectance of 50 collotelinite grains per bright coal sample for rank evaldation.The mean maximun re
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  • 匿名
2013-05-23 12:21:38
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  • 匿名
2013-05-23 12:23:18
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  • 匿名
2013-05-23 12:24:58
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  • 匿名
2013-05-23 12:26:38
1 毫米煤岩样品被安装在聚酯树脂、 抛光和干燥至少 12 小时。在显微组分分析前进行了反射分析。蓝帜 MPVL 系统用于确定最大反射率值每等级 evaldation 亮煤样的 50 collotelinite 粒。亮煤的平均最大反射率也被用于其暗煤双等级。
  • 匿名
2013-05-23 12:28:18
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