Through indoor experiments, the influence of sand equivalent changes on the mixing time of micro-surfacing mixture, the emulsifier dosage and the performance after shaped was discussed.

通过室内实验，探讨砂当量变化对微表处混合料拌和时间和乳化沥青用量，以及成型后性能的影响。

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A formula for the calculation of the equivalent volume of acid mixture titration is derived.

本文提出了以氢离子活度为测量值的混合酸滴定的计算公式；

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Equivalent elastic properties of asphalt mixture were obtained by the method of average volume after establishing the 3d random lattice model with appropriate load and boundary conditions.

通过建立沥青混合料的三维随机格形模型，加载适当载荷和边界条件求解后，采用体积平均法得出混合料等效弹性性质。

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The result, if all goes well, will be a mixture of hydrocarbons that can be fed into the stage of the oil-refining process just before petrol and diesel emerge from the stills, and at a price that competes with the equivalent chemical mixture produced by traditional methods.

ECONOMIST: Biofuels from algae: Craig's twist | The