petroleum fraction

简明释义

石油馏分

英英释义

例句

1.The petroleum fraction 石油馏分 used in diesel engines is heavier than that used in gasoline engines.

用于柴油发动机的petroleum fraction 石油馏分比用于汽油发动机的要重。

2.Different petroleum fractions 石油馏分 have different boiling points, which is why distillation is such an effective separation technique.

不同的petroleum fractions 石油馏分具有不同的沸点，这就是为什么蒸馏是一种有效的分离技术。

3.In petrochemical industries, specific petroleum fractions 石油馏分 are converted into plastics and synthetic materials.

在石化工业中，特定的petroleum fractions 石油馏分被转化为塑料和合成材料。

4.The process of refining crude oil separates it into various components, including the petroleum fraction 石油馏分 used for gasoline production.

原油精炼过程将其分离成各种组分，包括用于汽油生产的petroleum fraction 石油馏分。

5.The petroleum fraction 石油馏分 known as kerosene is commonly used as a fuel for jet engines.

被称为煤油的petroleum fraction 石油馏分通常用作喷气发动机的燃料。

作文

The world we live in is heavily reliant on various sources of energy, and one of the most significant contributors to our energy needs is petroleum. This natural resource is not just a single entity; it is composed of various components known as petroleum fractions. These petroleum fractions are different substances derived from crude oil through a process called fractional distillation. Understanding these fractions is crucial for both the energy sector and everyday consumers, as they play a vital role in the production of fuels and other essential products.Crude oil is a complex mixture of hydrocarbons and other organic materials. When crude oil is subjected to high temperatures in a distillation column, it separates into different petroleum fractions based on their boiling points. Each fraction has distinct properties and applications. For example, the lighter fractions, such as gasoline and kerosene, are used primarily as fuels for vehicles and aircraft. On the other hand, heavier fractions like diesel and lubricating oils serve different purposes, including powering larger engines and reducing friction in machinery.One of the most important aspects of petroleum fractions is their versatility. The lighter fractions are more volatile and evaporate quickly, making them suitable for combustion engines. In contrast, heavier fractions have higher boiling points and are less volatile, which makes them ideal for use in industrial applications. This separation and utilization of petroleum fractions enable us to maximize the efficiency of crude oil, ensuring that we can meet the diverse energy demands of modern society.Moreover, the significance of petroleum fractions extends beyond just fuel production. They are also key ingredients in the manufacture of numerous everyday products. For instance, petrochemicals derived from petroleum fractions are used in the production of plastics, synthetic fibers, and even pharmaceuticals. This highlights the interconnectedness of our daily lives with the petroleum industry, as many items we use are a direct result of processing petroleum fractions.However, the reliance on petroleum fractions also raises environmental concerns. The extraction and burning of fossil fuels contribute significantly to greenhouse gas emissions, leading to climate change and air pollution. As awareness of these issues grows, there is an increasing push towards finding alternative energy sources and developing more sustainable practices. This shift necessitates a deeper understanding of petroleum fractions and their impact on both our economy and the environment.In conclusion, petroleum fractions are fundamental components derived from crude oil that play a crucial role in our energy consumption and the production of various products. While they offer numerous benefits in terms of utility and versatility, it is essential to consider the environmental implications of our dependence on these resources. As we move forward, embracing innovation and sustainability will be key to balancing our energy needs with the health of our planet. Understanding petroleum fractions is just the beginning of this journey toward a more sustainable future.

我们生活的世界在很大程度上依赖于各种能源，而石油是我们能源需求中最重要的贡献者之一。这种自然资源不仅仅是一个单一的实体；它由称为石油馏分的各种成分组成。这些石油馏分是通过一种称为分馏蒸馏的过程从原油中提取的不同物质。理解这些馏分对于能源部门和普通消费者至关重要，因为它们在燃料和其他必需品的生产中发挥着重要作用。原油是烃类和其他有机材料的复杂混合物。当原油在蒸馏塔中受到高温时，它会根据沸点分离成不同的石油馏分。每个馏分都有不同的特性和应用。例如，轻馏分如汽油和煤油主要用作汽车和飞机的燃料。另一方面，像柴油和润滑油这样的重馏分则用于不同的目的，包括为大型发动机提供动力和减少机械摩擦。石油馏分的一个重要方面是它们的多功能性。轻馏分挥发性更强，蒸发速度快，因此适合用于燃烧发动机。相反，重馏分沸点较高，挥发性较低，更适合用于工业应用。这种对石油馏分的分离和利用使我们能够最大限度地提高原油的效率，确保我们能够满足现代社会多样化的能源需求。此外，石油馏分的重要性不仅仅局限于燃料生产。它们还是许多日常产品制造中的关键成分。例如，从石油馏分中提取的石化产品用于塑料、合成纤维甚至药品的生产。这突显了我们日常生活与石油工业之间的相互联系，因为我们使用的许多物品都是处理石油馏分的直接结果。然而，对石油馏分的依赖也引发了环境问题。化石燃料的提取和燃烧显著增加了温室气体排放，导致气候变化和空气污染。随着对这些问题的认识不断提高，越来越多的人呼吁寻找替代能源和发展更可持续的实践。这一转变需要更深入地理解石油馏分及其对经济和环境的影响。总之，石油馏分是从原油中提取的基本组成部分，在我们的能源消费和各种产品的生产中发挥着至关重要的作用。尽管它们在效用和多功能性方面提供了许多好处，但考虑到我们对这些资源的依赖所带来的环境影响也至关重要。随着我们向前发展，拥抱创新和可持续性将是平衡我们的能源需求与地球健康的关键。理解石油馏分只是迈向更可持续未来旅程的开始。