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这种烷烃是柴油的主要成分。 Such alkanes are the main ingredients of diesel fuel. | ||
直链烷烃使机器的“爆震”问题更加严重。 The straight - chain alkanes exacerbate the problem of engine " knock ". | ||
本文用气相色谱测定了多种烷烃、芳烃、醇类和酯类的蒸发热。 The heat of evaporation for various kinds of alkanes, alcohols, esters and aromatics were determined by gas chromatography. | ||
而饱和烷烃在离子液体中的溶解能力对烷基化产物和催化剂的分离十分重要。 The solvent capacity of ionic liquid for alkane is important to he separation of the alkylate and the catalyst. | ||
环烷烃、总烷烃、烯烃和芳烃的含量随着空速的变化出现相互交叉的现象； The content of naphthene, total paraffin, olefin and aromatics in FCC gasoline increased or decreased alternately with the change of space velocity. | ||
采用双柱双氢焰离子化检测器测定空气中的总烃和非甲烷烃。 Using dual column with flame ionization detector to determine total hydrocarbon and non-methane hydrocarbon in air. | ||
石油主要是由烷烃、环烷烃和芳香烃组成的混合物，具有致癌、致畸、致突变的潜在性。 Petroleum is a kind of compound composed of alkane, cyclane and aromatics, which have the potentiality leading to cancer, deformity and mutation. | ||
结果表明：利用链烷烃技术测定放牧动物的采食量和牧草的种类，具有较好的应用价值。 The results showed that assessing the quantity and the species of grass of grazing animal with alkane technology had preferable value in application. | ||
本文利用高压dsc对各种燃料烃(正构烷烃、环烷烃、烷基芳烃和双环烃)的安定性进行了研究。 In this paper, the experimental investigation on the stability of various fuel hydrocarbons was carried out by high pressure DSC. | ||
通过回归C1~C16 16种饱和烷烃的饱和蒸气压值，提出了低对比温度下PRSV方程的新温度函数关联式。 Through regression of saturated vapor pressure of C1-C16 , a new alpha function for PRSV equation at low relative temperatures was proposed. | ||
