A high efficient mixed paraffin remover was prepared with benzene, mutual solvent a, mutual solvent b, and a synergic agent as materials.

针对我国油井结蜡严重的现象，以苯、互溶剂a、互溶剂b和协同剂为原料，制备了一种高效混合清蜡剂。

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The optimum formulation of the remover was determined as follow:benzene 45%(vol), mutual solvent A 5%(vol), mutual solvent B 5%(vol), and the synergic agent 45%(vol).

确定了混合清蜡剂的最佳配方：苯加量（体积分数，下同）45%，协同剂加量45%，互溶剂A加量5%，互溶剂B加量5%。

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Now investors are demanding that banks like Lehman and Washington Mutual raise capital or sell their assets to raise cash and prove that they are solvent.

如今，投资者要求类似雷曼兄弟和华盛顿互惠银行这些机构募集资本，或者通过出售资产的方式募集资金，以此证明他们有清偿债务的能力。

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