petroleum pitch

简明释义

石油类柏油脂

英英释义

例句

1.The quality of petroleum pitch can significantly affect the properties of the final product.

质量的石油沥青会显著影响最终产品的性能。

2.A common use of petroleum pitch is in the production of electrodes for aluminum smelting.

一个常见的用途是将石油沥青用于铝冶炼电极的生产。

3.Researchers are exploring new applications for petroleum pitch in electronics.

研究人员正在探索石油沥青在电子产品中的新应用。

4.The production of carbon fibers often starts with the use of petroleum pitch.

碳纤维的生产通常以使用石油沥青开始。

5.In the manufacturing process, petroleum pitch is heated to create a viscous liquid.

在制造过程中，石油沥青被加热以产生粘稠的液体。

作文

In the realm of materials science and engineering, understanding various substances is crucial for innovation and application. One such substance that has garnered attention in recent years is petroleum pitch (石油沥青). Petroleum pitch is a viscous black liquid derived from the distillation of crude oil, particularly during the refining process. Its unique properties make it an essential material in various industrial applications, especially in the production of carbon materials. The process of obtaining petroleum pitch begins with the fractional distillation of crude oil. During this process, lighter fractions such as gasoline and kerosene are separated from heavier ones. The residue that remains after the lighter fractions have been removed is subjected to further processing, which includes thermal treatment and solvent extraction. This results in a highly viscous substance that is rich in aromatic hydrocarbons.One of the most significant uses of petroleum pitch is in the manufacturing of carbon fibers and electrodes. Carbon fibers are known for their strength-to-weight ratio, making them ideal for aerospace, automotive, and sporting goods industries. The production of these fibers often involves spinning petroleum pitch into filaments, which are then carbonized at high temperatures to create strong, lightweight materials. Furthermore, petroleum pitch is also used in the production of graphite electrodes, which are vital for electric arc furnaces in steelmaking. The high carbon content and electrical conductivity of petroleum pitch make it a suitable precursor for these applications.Beyond its industrial uses, petroleum pitch has potential applications in the field of nanotechnology. Researchers are exploring ways to manipulate the structure of petroleum pitch to create nanostructured materials that could revolutionize electronics and energy storage systems. The ability to control the properties of petroleum pitch at the nanoscale opens up new avenues for developing advanced materials with tailored characteristics.However, the production and use of petroleum pitch are not without challenges. The environmental impact of extracting and refining crude oil has raised concerns about sustainability. As industries strive to reduce their carbon footprint, there is a growing interest in finding alternative sources for petroleum pitch. Bio-based pitches derived from renewable resources are being investigated as potential substitutes, offering a more sustainable approach to material production.In conclusion, petroleum pitch (石油沥青) is a versatile and valuable material with significant implications in various fields, from traditional manufacturing to cutting-edge research. Understanding its properties and applications is essential for harnessing its potential while addressing the environmental challenges associated with its production. As we move towards a more sustainable future, the exploration of alternatives to petroleum pitch will be crucial in ensuring that we can continue to benefit from its unique properties while minimizing our ecological impact.

在材料科学和工程领域，理解各种物质对于创新和应用至关重要。其中一种近年来受到关注的物质是petroleum pitch（石油沥青）。Petroleum pitch是一种粘稠的黑色液体，来源于原油的蒸馏，尤其是在炼油过程中。它的独特性质使其成为各种工业应用中的重要材料，特别是在碳材料的生产中。获得petroleum pitch的过程始于原油的分馏蒸馏。在此过程中，汽油和煤油等轻质馏分从重质馏分中分离出来。去除轻质馏分后剩余的残渣会经过进一步处理，包括热处理和溶剂萃取。这会产生一种高度粘稠的物质，富含芳香烃。Petroleum pitch最重要的用途之一是在制造碳纤维和电极中。碳纤维以其强度与重量比而闻名，非常适合航空航天、汽车和运动器材行业。这些纤维的生产通常涉及将petroleum pitch纺成细丝，然后在高温下碳化，以创造出强大且轻便的材料。此外，petroleum pitch还用于生产石墨电极，这对电弧炉中的钢铁制造至关重要。Petroleum pitch的高碳含量和电导率使其成为这些应用的合适前体。除了工业用途，petroleum pitch在纳米技术领域也具有潜在应用。研究人员正在探索操纵petroleum pitch结构的方法，以创建纳米结构材料，这可能会革新电子产品和能源存储系统。在纳米尺度上控制petroleum pitch的性质为开发具有定制特性的先进材料开辟了新的途径。然而，petroleum pitch的生产和使用并非没有挑战。提取和精炼原油对环境的影响引发了可持续性的担忧。随着各行业努力减少碳足迹，越来越多的人开始关注寻找petroleum pitch的替代来源。基于生物的沥青来自可再生资源，正在被研究作为潜在的替代品，为材料生产提供更可持续的方法。总之，petroleum pitch（石油沥青）是一种多功能且有价值的材料，在传统制造到尖端研究等各个领域都有重要意义。理解其性质和应用对于利用其潜力至关重要，同时也要应对与其生产相关的环境挑战。随着我们朝着更加可持续的未来迈进，探索petroleum pitch的替代品将对确保我们能够继续受益于其独特性质而最小化生态影响至关重要。