a colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratings
双语例句
1. TAE will be selected better as decrease temperature in heptane.
对于庚烷溶剂，温度降低，有利于TAE的选择性反应。
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2. As the heptane in oil phase increases, the interfacial tension decreases.
随着油相中庚烷的增多，界面张力降低。
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3. The volume strain becomes much smaller by saturation with heptane than with water.
用庚烷饱和的体应变比用水饱和的小。
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4. The heptane compound has a primary purpose as a plasticizer for double base propellant systems.
化合物庚烷的主要用途是作为双基推进剂的增塑剂。
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5. If your multiplier can be cleaned, then non-polar solvents must be used. (Heptane is a non-polar solvent).
如果您的倍增器可以清洗，则必须用非极性的溶剂。(正庚烷是非极性溶剂)。
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6. The rheological properties of benzene and heptane solutions of cobalt monooleate soap have been investigated.
本文研究了一元油酸钴皂的苯与庚烷溶液的流变性质。
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7. Then-heptane cracking reaction was selected as probe reaction to investigate the activity of studied samples.
以正庚烷裂化反应为探针反应考察了样品的活性。
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8. Molecular simulation is used to calculate the diffusion coefficient of thiophene and n-heptane in PEG membrane.
并通过分子模拟方法模拟了噻吩和正庚烷在PEG膜中的扩散系数。
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9. Gasoline and a simulated oil which consists of heptane and thiophene were used respectively in the desulfurization experiments.
正庚烷中加入少量噻吩配制成模拟油品，将模拟油品和汽油分别配制成两种乳状液进行脱硫实验。
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10. Of these, heptane with 7 carbons causes undesirable engine knocking, so refiners try to blend in more smooth-burning octane with 8 carbons.
7个碳的庚烷引起不明原因引擎抽风。炼油厂尝试混入更多的8个碳的辛烷。
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11. The modified product was analyzed by FT-IR and GPC, and softening point, solubility in solvent and n-heptane tolerance were also studied.
对改性产品进行了GPC、FT-IR的表征分析及其软化点、庚烷容纳度和溶剂溶解性能等的研究。
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12. The isobaric integral heats of vaporization of benzene-n-heptane binary system were determined and correlated with a vapor-flow calorimeter.
用气体流动量热计测定并关联了苯-正庚烷二元体系的等压积分汽化焓；
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13. The ignition delay periods of methanol, isooctane, n-heptane and their blended fuel were studied based on their detailed chemical kinetic mechanism.
14. On the topic, some papers have been published in recent years. Here a brief introduction about the thermodynamics, kinetics, and catalysts of n heptane h…
15. By contrasting with many retrieving methods of normal heptane in petroleum chemistry experiment this paper showed that alumina is a good sorbent, both simple and convenience.
16. The results show that no matter the water phase was pure water or salt water, the microemulsion system exhibits best performance when the oil phase is heptane and the cosurfactant is …
17. The electrical conductivity of Middle East Atmospheric Residue (ME-AR) diluted by n-heptane was continuously measured, and the mass fraction normalized conductivity of ME-AR was calculated.
测定了中东常压渣油加入正庚烷后的电导率，并计算得到了不同正庚烷加入量时的质量分数电导率值。
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18. The separation of n-pentane, n-hexane and n-heptane mixture with the dividing wall column(DWC) was simulated with commercial software HYSYS, and the optimized operation region was obtained.
19. 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.
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。
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20. 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.
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。
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21. The invention provides a method in separating benzene from cyclohexane and from heptane by ultrasonic extractive distillation, comprising steps as ultrasonic processing and extractive distillation.
本发明提供的是一种超声萃取蒸馏分离苯―环己烷及苯―正庚烷物系的方法。
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22. Two primary standard reference fuels, normal heptane and iso-octane arbitrarily assigned 0 and 100 octane number, respectively, are then blended to produce the same knock intensity as the test sample.
23. Two primary standard reference fuels, normal heptane and iso-octane arbitrarily assigned 0 and 100 octane number, respectively, are then blended to produce the same knock intensity as the test sample.
