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A nonlinear rheological model of backfill material for retaining roadways and the analysis of its st
[期刊论文] 作者：Zhang Tianjun,Ma Mina,Wang Hon,
来源：矿业科学技术：英文版 年份：2011
The long-term stability of backfill material is the key to retaining roadways successfully.In order to study the rheological deformation of backfill material an...
[会议论文] 作者：Huaqiao Ma,Mina Luo,Shijun Shao,Xia Liu,Shengxiang Jiang,
来源：DaLian Internationall Symposia and Exhibition on Chromatogra 年份：2007
In this paper, separation of four neutral macrocyclic compounds (calix[4]pyrroles (C4Ps)-meso-octamethylealix [4]pyrrole (OMCP), meso-octaethylcalix[4]pyrrole (OECP), meso-tetracyclopentylcalix[4]pyrr...
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