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对于庚烷溶剂,温度降低,有利于TAE的选择性反应。TAE will be selected better as decrease temperature in heptane.

随着油相中庚烷的增多,界面张力降低。As the heptane in oil phase increases, the interfacial tension decreases.

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用庚烷饱和的体应变比用水饱和的小。The volume strain becomes much smaller by saturation with heptane than with water.

将倍增器放入烧杯中并倒入正庚烷直至浸没倍增器。Place the multiplier in the beaker and fill with Heptane until multiplier is fully immersed.

建立了煤软沥青庚烷萃取物的HPLC检测方法。A new HPLC method for determining the extract content from coal soft pitch using heptane is developed.

研究了醇在非离子表面活性剂、水及庚烷体系中对其形成的微乳液的影响。The effects of alcohol are studied on the microemulsion composed of nonionic surfactant, water and heptane.

本文研究了一元油酸钴皂的苯与庚烷溶液的流变性质。The rheological properties of benzene and heptane solutions of cobalt monooleate soap have been investigated.

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空气中与正己烷共存的正庚烷、正戊烷在该方法条件下不干扰测定。The coexistence of normal heptane and n-pentane with n-hexane in the air did not interfere with the results of determination.

利用气相色谱法测定了常压下,30℃、40℃、60℃时甲苯-正庚烷-四甘醇三元体系液液相平衡数据。The liquid liquid phase equilibrium data of toluene n heptane tetraglycol ternary system at 30℃, 40℃ and 60℃ are determined under atmospheric pressure with gas chromatography.

同时针对两种反应产物沸点的差异,采用减压蒸馏较好地将有机相庚烷和乙酸香茅酯进行分离并确定了最终的分离流程。Meanwhile, because of the difference of boiling points from two products, the vacuum distillation which was utilized to separate the heptane and citronellyl acetate showed good result.

加入少量的萘、蒽等稠环芳烃于庚烷溶剂中,则大大提高高聚物的分子量。Addition of small amount of polynuclear hydrocarbons, such as naphthalene or anthracene to the heptane polymerization solution raised the molecular weight of the polymer to a considerable extent.

结果表明,空气氧化和氮气热缩聚可提高石油沥青的软化点、焦产率和正庚烷不溶物含量。The results showed that both methods of air blowing and thermal polycondensation in the presence of nitrogen raised the asphalt softening points, and increased coke yields and heptane insolubles.

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针对化学反应器中一类典型反应过程-庚烷生成甲苯,提出了一种关于传感器故障的非线性集成故障诊断与容错控制方策略。A nonlinear integrated fault diagnosis and fault-tolerant control strategy is applied to a chemical reactor in which heptane is converted to toluene. The fault types of process are firstly analyzed.