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According to the law of conservation in the state of turbulent flow, the differential equation describing the airflow temperature distribution in drifting tunnel is derived, By theo-retical analysis and field measurement of the airflow and thermal process in mine, theoretical analysis and systematic flow are developed. By PHONENICS program, the numerical simula-tion is processed, and the changing rule of airflow temperature with various parameters in drifting tunnel is derived. The airflow temperature in drifting tunnel decreases as the airflow velocity increases in a way of negative power exponent, and elevates lineady as the tempera-ture of the incoming airflow elevates. 相似文献
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虚拟现实技术的发展及其在矿业中的应用 总被引:6,自引:0,他引:6
介绍了虚拟现实 (VR)技术的基本概念、系统构成以及在矿业工程方面的应用现状 ,展示了虚拟现实技术在矿业中应用的广阔前景。 相似文献
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为探求POE(乙烯/辛烯共聚物)改善SBS改性沥青老化性能的机理,通过沥青流变指标分析、荧光显微分析及红外光谱分析,对SBS改性沥青、POE/SBS复合改性沥青及其短期、长期老化后的残留物进行性能测试。结果表明,POE分子流动性能优良,掺入SBS改性沥青后,POE可与SBS共混相容,使SBS在基质沥青中分散更均匀、溶胀更充分,所形成相容体系延缓了SBS老化降解程度。 相似文献
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概述了当前我国煤矿安全生产形势严峻的现状、重特大事故频发的主客观原因 ,并对今后搞好煤矿安全生产的对策提出了建议。 相似文献