【Key words】 Coal contained gas； acoustic emission； granularity effect； grey-catastrophe model； coal and gas burst；
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In this thesis,surfacial sediment of Dongping lake was investigated. Distribution,speciation and grain-size effect of mercury,as well as influence of organic matter on mercury's geographical behavior were analysed systemically.1.
东平湖是南水北调东线工程重要的调蓄水库之一,本文选取东平湖表层沉积物为研究对象,对沉积物中汞的分布、形态分析、粒度效应和有机质对汞的地球化学行为进行了系统的研究。
参考来源 - 东平湖表层沉积物中汞的污染研究And then, the response regular of the LUCC and landscape pattern grain effect is revealed using mathematical statistics related analysis in different scales.
并在此基础上,运用数理统计方法进行相关性分析,揭示了景观格局不同尺度下的粒度效应响应规律。
参考来源 - 基于安陆市土地利用数据库的景观格局粒度效应分析·2,447,543篇论文数据，部分数据来源于NoteExpress
还必须很好地控制给料的粒度，以减少粒度效应，使矿粒的运动主要按比重进行。
The particle size of the feed must be well controlled to reduce size effect and make the particle motion primarily density-dependent.
讨论了样品的自吸收效应，加热温度、选择性反射带和粒度以及衬底等物理条件对红外辐射光谱的影响。
The effect of sample self absorption, selective reflection, temperature, sample grain and liner on FT IR radiation spectrum are discussed.
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