heptane

简明释义

英[ˈhepteɪn]美[ˈhepteɪn]

n. [有化] 庚烷

英英释义

单词用法

同义词

反义词

例句

1.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；

2.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。

3.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。

4.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.

以正戊烷、正己烷和正庚烷为分离物系，在简捷计算结果的基础上，利用商业模拟软件HYSYS研究了进料热状态、进料组成和相对挥发度等进料性质对立式隔板塔操作的影响。

5.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。

6.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。

7.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 …

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。

8.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。

9.In the laboratory, we often use heptane as a solvent for organic reactions.

在实验室中，我们常常使用庚烷作为有机反应的溶剂。

10.The octane rating of fuels can be compared to that of heptane.

燃料的辛烷值可以与庚烷进行比较。

11.When testing the combustion efficiency, we sometimes measure the emissions from heptane combustion.

在测试燃烧效率时，我们有时会测量庚烷燃烧的排放。

12.The chemical structure of heptane is a straight-chain alkane with seven carbon atoms.

庚烷的化学结构是一个包含七个碳原子的直链烷烃。

13.In organic chemistry, heptane is often used as a reference standard for non-polar solvents.

在有机化学中，庚烷常被用作非极性溶剂的参考标准。

作文

Heptane is a straight-chain alkane with the chemical formula C7H16. It is one of the primary components of gasoline and is commonly used in laboratories and industrial applications. Understanding the properties and uses of heptane (庚烷) can provide valuable insights into organic chemistry and fuel technology. In terms of physical properties, heptane (庚烷) is a colorless liquid at room temperature, with a boiling point of approximately 98.4 degrees Celsius. Its low viscosity and high volatility make it an ideal solvent in various chemical reactions. The structure of heptane (庚烷) consists of a linear chain of seven carbon atoms, which allows for flexibility in its applications. This structural characteristic also contributes to its relatively low reactivity compared to other hydrocarbons. One of the most significant uses of heptane (庚烷) is in the automotive industry. As a component of gasoline, it plays a crucial role in determining the fuel's octane rating. The octane rating is a measure of a fuel's ability to resist knocking during combustion. Fuels with higher octane ratings generally provide better performance in engines. Heptane (庚烷) has an octane rating of zero, serving as a reference point for measuring the performance of other fuels. By blending heptane (庚烷) with other hydrocarbons, manufacturers can create gasoline that meets specific performance standards. In laboratory settings, heptane (庚烷) is often used as a solvent due to its non-polar nature. This property makes it effective in dissolving other non-polar substances, making it a common choice for extracting compounds in organic chemistry experiments. Additionally, heptane (庚烷) is used in the synthesis of various chemicals and as a standard in gas chromatography, where it helps to calibrate the instruments used for analyzing complex mixtures. Moreover, heptane (庚烷) can be utilized in research related to combustion and emissions. Scientists study heptane (庚烷) to understand how different fuels burn and produce emissions, contributing to the development of cleaner and more efficient energy sources. This research is particularly important in the context of global efforts to reduce air pollution and combat climate change. In summary, heptane (庚烷) is more than just a simple hydrocarbon; it is a vital component in various industries, particularly in fuel technology and organic chemistry. Its unique properties allow it to serve multiple roles, from being a reference point for octane ratings to acting as a solvent in laboratory experiments. As we continue to explore sustainable energy solutions, understanding substances like heptane (庚烷) will remain essential in our quest for innovation and efficiency in fuel usage.

庚烷是一种直链烷烃，化学式为C7H16。它是汽油的主要成分之一，通常用于实验室和工业应用。理解庚烷（heptane）的性质和用途可以为有机化学和燃料技术提供有价值的见解。 在物理性质方面，庚烷（heptane）在室温下是一种无色液体，沸点约为98.4摄氏度。它的低粘度和高挥发性使其成为各种化学反应中的理想溶剂。庚烷（heptane）的结构由七个碳原子的线性链组成，这使其在应用上具有灵活性。这种结构特征也使其相对于其他烃类的反应性相对较低。 庚烷（heptane）最重要的用途之一是在汽车工业中。作为汽油的成分，它在确定燃料的辛烷值方面发挥了关键作用。辛烷值是衡量燃料在燃烧过程中抵抗爆震能力的指标。具有更高辛烷值的燃料通常在发动机中提供更好的性能。庚烷（heptane）的辛烷值为零，作为测量其他燃料性能的参考点。通过将庚烷（heptane）与其他烃类混合，制造商可以生产出符合特定性能标准的汽油。 在实验室环境中，庚烷（heptane）通常用作溶剂，因为它的非极性特性。这一特性使其能够有效溶解其他非极性物质，因此在有机化学实验中常被选用。此外，庚烷（heptane）还用于各种化学品的合成，以及作为气相色谱法中的标准，帮助校准用于分析复杂混合物的仪器。 此外，庚烷（heptane）可用于与燃烧和排放相关的研究。科学家们研究庚烷（heptane）以了解不同燃料的燃烧方式及其产生的排放，从而有助于开发更清洁、更高效的能源。这项研究在全球减少空气污染和应对气候变化的努力中尤为重要。 总之，庚烷（heptane）不仅仅是一种简单的烃类；它在各个行业中都是一个重要的组成部分，特别是在燃料技术和有机化学中。它独特的性质使其能够发挥多重作用，从成为辛烷值的参考点到在实验室实验中充当溶剂。随着我们继续探索可持续能源解决方案，理解像庚烷（heptane）这样的物质将在我们追求燃料使用创新和效率的过程中保持至关重要。