以十氢萘为溶剂，通过增加升温过程中的低温搅拌，强化十氢萘对沥青质的解聚和分散作用，提高沥青质加氢过程中在催化剂微孔中的扩散性能......

An efficient reflux extraction of polyethylene wax (PEW) in soil is presented, followed by molecular structure character......