...； 回填材料； 土壤冻结； 地下水流动 [gap=727]Key words: ground heat exchanger; heat transfer models; backfill materials; soil freezing; groundwater flow ...
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In the base course experiment, the backfill materials are simulated, different polyurethane materials are tested, optimum foam ratio and component ratio are obtained.
基层试验中,对现场回填材料进行了模拟,对不同聚氨酯膨胀材料进行了试验,得到了最佳发泡率与材料配合比。
参考来源 - 机场道面快速抢修试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Heat transfer performance of different backfill materials and temperature field variation of ground-coupled heat pump system are studied.
试验研究了两种不同回填材料地埋管换热器的热响应性能、地源热泵运行对地源温度场的作用。
These materials can be considered as selected backfill materials to improve capability of depository for preventing iodine and technetium ions from migrating.
这些材料可被考虑用作回填材料的候选组分，以提高处置库阻滞碘、锝阴离子迁移的能力。
The indoor experiment on the filling materials used for downward slicing drift mining with cemented backfill in Gaolong Gold Mine was performed.
对高龙金矿下向分层进路胶结充填采矿法所用的充填材料进行了室内试验研究。
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