heptane

heptane怎么读

英式音标：[\'hepteɪn]

美式音标：[\'hepteɪn]

heptane的意思释义

n.

庚烷；

英英释义

n.a colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratings

heptane用法及例句

双语例句

用作名词(n.)

The heptane compound has a primary purpose as a plasticizer for doublebase propellant systems.

化合物庚烷的主要用途是作为双基推进剂的增塑剂。

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。

例句参考

A Comprehensive Modeling Study ofn-Heptane Oxidation

A Comprehensive Modeling Study of n -Heptane Oxidation

The Distribution of Fatty Acids between n-Heptane and Aqueous Phosphate Buffer

Hydroisomerization of Pentane, Hexane, and Heptane for Improving the Octane Number of Gasoline

Shock-tube investigation of self-ignition of n -heptane-air mixtures under engine relevant conditions ☆

Long-Range Spin-Spin Couplings in the Nuclear Magnetic Resonance Spectra of Some Bicyclo [2.2.1]heptanes

ChemInform Abstract: Epibatidine: A Novel (Chloropyridyl)azabicycloheptane with Potent Analgesic Activity from an Ecuadoran Poison F...

ChemInform Abstract: SYNTHESIS OF PROSTAGLANDINS VIA A 1,2‐DIOXABICYCLO(2.2.1)HEPTANE (ENDOPEROXIDE) INTERMEDIATE. STEREOCHEMICAL D...

The Measurement of Laminar Burning Velocities and Markstein Numbers for Iso-octane–Air and Iso-octane–n-Heptane–Air Mixtures at E...

heptane相关例句

1. 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。

2. A series of turbidity measurements have been made for binary solutes of diethyl maleate in heptane, octane, nonane, and decane in the critical regions at various wavelengths and temperatures.

测量了顺丁烯二酸二乙酯与正庚烷、正辛烷、正壬烷和正癸烷二元溶液在临界区域不同波长及温度下的浊度。

3. Using developed dynamic drop technique(floating droplet method), we measured the limits of superheat of n-pentane and n-heptane, n-nonane systems of binary n-alkaline mixtures.

采用发展的动态液滴技术（悬浮液滴法） ，测定了正戊烷与正庚烷、正辛烷、正壬烷二元混合物的过热极限温度。

4. 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。

5. Methods: The method use outside the sign law take heptane as extraction carries on the separation on the non - polar capillary Vessel Column, the effect is good.

方法：采用外标法以庚烷作为萃取溶剂，在非极性弹性毛细管柱上进行分离，效果良好。

6. However, when the suspension is prepared by a non-solvent for amorphous polystyrene, such as heptane and isooctane, and the sPS content is lower than 15%, the fluid is Newtonian.

由无定形聚苯乙烯不良溶剂（如庚烷、异辛烷等）配制的悬浮液，固含量小于15％时，体系呈现牛顿流体性质。

7. The sulfonation of linear heptane with sulphur trioxide (L) in the solvent of 1,2 dichloroethane is studied.

研究了庚烷与三氧化硫在1 ，2 二氯乙烷溶剂下的磺化反应。

9. 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。

10. PVA gel modified with maleic anhydride has been used in dehydration of alkane(n-heptane)and arene(toluene)oil-water systems.

用马来酸酐改性PVA（聚乙烯醇）吸水凝胶对烷烃（正庚烷）和芳烃（甲苯）进行脱水试验。

11. In this paper, liquid-liquid equilibria (LLE) of DMF-n-heptane-toluene system at six temperatures were correlated with NRTL, UNIQUAC, et al.

本文对六个温度下DMF-正庚烷-甲苯体系的液-液平衡进行了等温和非等温情况下的关联。

12. 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。

danci.911cha.org

13. 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。

14. Place the multiplier in the beaker and fill with Heptane until multiplier is fully immersed.

将倍增器放入烧杯中并倒入正庚烷直至浸没倍增器。

15. 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。

16. 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）

17. 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。

18. 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；

19. For the system with addition of n heptane, a maximum can be found on the curve of its first derivative and defined as the onset of asphaltene deposition.

在电导率变化的一阶导数曲线上，正庚烷体系出现一较高点，该点对应于此法的沥青质沉积起始点；

20. In this paper, aromatization activity of metal modified HZSM-5 zeolite have been studied in catalytic cracking of n-heptane.

本文在微反色谱装置上，以正庚烷为原料考察了金属改性对HZSM-5分子筛芳构化活性的影响。

21. 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。

22. 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.

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。

23. The electrical conductivity of vacuum residue from Oman was measured and mass fraction conductivity was calculated when the residue was gradually diluted with n-heptane.

测定了阿曼减压渣油在正庚烷稀释过程中的电导率，计算了质量分数电导率。

24. The electrical conductivity of vacuum residue from Oman was measured and mass fraction conductivity was calculated when the residue was gradually diluted with n-heptane.

测定了阿曼减压渣油在正庚烷稀释过程中的电导率，计算了质量分数电导率。

25.The heptane compound has a primary purpose as a plasticizer for doublebase propellant systems.

化合物庚烷的主要用途是作为双基推进剂的增塑剂。

28.Standard heptane

GB/T497-1977标准正庚烷

29.a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines.

易挥发、易燃烧的烃类（乙烷、庚烷、辛烷等）混合物，来自石油，主要用作内燃机燃料。

31.high purity heptane

高纯庚烷