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.
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.
正庚烷用途越来越广泛，但制取较为困难。
The use of straight chain heptanes is more and more extensive, but it is more difficult to manufacture.
结果：合成得到5个二芳基庚烷类衍生物。
以正庚烷裂化反应为探针反应考察了样品的活性。
Then-heptane cracking reaction was selected as probe reaction to investigate the activity of studied samples.
化合物庚烷的主要用途是作为双基推进剂的增塑剂。
The heptane compound has a primary purpose as a plasticizer for double base propellant systems.
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.
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.
用13C-核磁共振谱表征了三羟甲基庚烷的化学结构。
The purity of TMH was confirmed by 13C-Nuclear Magnetic Resonance (NMR) spectroscopy.
减压渣油和正庚烷沥青质的VPO平均相对分子质量都减小了。
The VPO average molecular weight of vacuum residues and asphaltenes all decreased.
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。
Of these, heptane with 7 carbons causes undesirable engine knocking, so refiners try to blend in more smooth-burning octane with 8 carbons.
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。
Molecular simulation is used to calculate the diffusion coefficient of thiophene and n-heptane in PEG membrane.
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；
The isobaric integral heats of vaporization of benzene-n-heptane binary system were determined and correlated with a vapor-flow calorimeter.
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.
研究表明，十八酸和十八醇作为分散剂能显著提高黄铁矿在庚烷中的分散性；
The results show that stearic acid and 1-octadecanol were effective to improve the dispersity of pyrite.
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)。
If your multiplier can be cleaned, then non-polar solvents must be used. (Heptane is a non-polar solvent).
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。
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.
本论文对二芳基庚烷类天然产物的分布，生物活性，生物合成及化学合成进行了概述。
This thesis describes natural diarylheptanoids from distribution, bioactivity, biosynthesis and synthesis and focuses on the synthesis of several diarylheptanoids.
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.
结果表明，渣油质量分数电导率的最大值可以看作是用正庚烷稀释时沥青质聚沉的发生点。
The maximum value of the calculated mass fraction normalized conductivity of ME-AR was found to be the mark of the occurrence of asphaltene precipitation.
利用金刚石对顶砧(DAC)装置产生高压，在室温下对环庚烷进行了高压原位拉曼光谱研究。
In situ Raman spectra of cycloheptane have been characterized under high pressure generated by diamond anvil cell (DAC) at room temperature.
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。
Gasoline and a simulated oil which consists of heptane and thiophene were used respectively in the desulfurization experiments.
可吸收的6，6-二烃基-1，4-二氧杂环庚烷-2-酮及其环状二聚物的共聚物和混合物。
Absorbable copolymers and blends of 6,6, -dialkyl-1,4-dioxepan-2-one and its cyclic dimer.
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。
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.
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。
The modified product was analyzed by FT-IR and GPC, and softening point, solubility in solvent and n-heptane tolerance were also studied.
以庚烷磺酸钠为离子对试剂，建立了同时测定头发中尼古丁和可天宁含量的反相离子对高效液相色谱方法。
A reversed phase ion-pair high performance liquid chromatographic method was developed for the simultaneous determination of nicotine and cotinine in human hair.
结果发现，高辛烷值燃料异辛烷和高十六烷值燃料正庚烷的混合能够有效控制HCCI燃烧相位和燃烧程度。
The simulation suggested that the mixing with high-cetane fuel and high-octane fuel can influence the combustion phase and cylinder pressure in HCCI combustion.
结果表明，当体系的水相为纯水或盐溶液时， 正庚烷作为油相、 正丁醇作为助表面活性剂使体系有最佳的增溶效果。
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 …
对石油化学实验中所使用正庚烷溶剂的回收方法进行了对比，实验表明，采用氧化铝作为吸附剂效果良好，方法简便易行。
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.
对石油化学实验中所使用正庚烷溶剂的回收方法进行了对比，实验表明，采用氧化铝作为吸附剂效果良好，方法简便易行。
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.
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