petrochemicals

简明释义

英[/ˌpɛtrəʊˈkɛmɪkəlz/]美[/ˌpɛtroʊˈkɛmɪkəlz/]

n. 石油化工产品；石油化学产品

英英释义

单词用法

同义词

反义词

例句

1.Just this week, General Electric's sensing division said it wanted to use wireless sensors in industries as diverse as drugs and petrochemicals.

就在本周，通用电气公司(General Electric)的感测部门说其想在不同的行业，如药品，石油化工制品，运用无线感测器。

2.LYONDELLBASELL, the world's third-largest petrochemicals producer, should have "Danger, inflammable substance" signs posted on its debt.

莱昂·德尔巴塞尔工业公司，世界第三大石化产品制造商，在它的债务中有“危险，易燃物”出现的迹象。

3.This paper discusses some problems about numerical scope of patent claims in petroleum and petrochemicals industry.

探讨了石油石化领域专利权利要求中涉及数值范围的一些问题。

4.The two main classes of petrochemicals are olefins and aromatics.

石化的两类主要产品是烯烃和芳烃。

5.Turbocompressor is the important device in the industry department such as metallurgy, petrochemicals, natural gas transportation, refrigeration etc.

透平压缩机是冶金、石油化工、天然气输送、制冷以及动力等工业部门广泛使用的大型关键设备。

6.For oil and petrochemicals, gas, coal, power, telecom, and tobacco industries combined, there are a total of 17 firms operating nationally, all state-owned.

石油和石化产品，天然气，煤炭，电力，电信和烟草等行业加在一起，总共有17家国家经营的大型企业。

7.The petrochemicals industry is cyclical, but caution was in short supply as the buy-out cycle neared its end.

石化行业是周期性的，但是随着收购接近尾声，担保供应不足。

8.Petrochemicals also provide the building blocks for a vast panoply of plastics and foams.

石油也为积木提供了多种多样的塑料和泡沫。

9.Lower energy prices and falling demand have naturally hit Eni's profits from production, refining, marketing and petrochemicals.

更低的价格和不断下降的需求从生产，炼化，销售和石化等方面打破了埃尼的利润。

10.The demand for petrochemicals 石油化学品 continues to rise as economies grow.

随着经济增长，对石油化学品的需求持续上升。

11.The petrochemical 石油化学品 industry is a major contributor to the global economy.

石油化学品行业是全球经济的重要贡献者。

12.Research in petrochemicals 石油化学品 can lead to more sustainable materials.

对石油化学品的研究可以导致更可持续的材料。

13.Many everyday products, such as detergents and fertilizers, are made from petrochemicals 石油化学品.

许多日常产品，如洗涤剂和肥料，是由石油化学品制成的。

14.The production of petrochemicals 石油化学品 is essential for manufacturing plastics.

生产石油化学品对于塑料制造至关重要。

作文

The term petrochemicals refers to the chemical products derived from petroleum or natural gas. These substances are essential in the production of a wide range of materials that we use daily, from plastics and synthetic fibers to detergents and fertilizers. The significance of petrochemicals in modern society cannot be overstated, as they play a crucial role in various industries, including automotive, construction, and healthcare.The process of creating petrochemicals begins with the extraction of crude oil or natural gas. Once extracted, these raw materials undergo refining processes to separate them into different components. The most important of these components for the production of petrochemicals are naphtha, ethane, propane, and butane. Each of these components serves as a building block for creating more complex chemical compounds.For instance, naphtha can be cracked into smaller molecules through a process called steam cracking, leading to the formation of ethylene and propylene. Ethylene is a key ingredient in the manufacture of polyethylene, one of the most widely used plastics in the world. Similarly, propylene is used to produce polypropylene, another essential plastic that has a myriad of applications.Beyond plastics, petrochemicals are integral to the production of synthetic rubber, which is used in tires and various automotive parts. The tire industry heavily relies on petrochemicals to create durable and high-performance products that ensure safety and efficiency on the road. Additionally, petrochemicals contribute to the production of paints, coatings, and adhesives, which are vital in construction and manufacturing sectors.Moreover, the agricultural industry benefits significantly from petrochemicals. Fertilizers, herbicides, and pesticides, which help increase crop yields and protect against pests, are often derived from chemical processes involving petrochemicals. This relationship between petrochemicals and agriculture highlights the importance of these substances in ensuring food security for a growing global population.Despite their numerous advantages, the production and consumption of petrochemicals also raise environmental concerns. The extraction and refining processes can lead to pollution and greenhouse gas emissions, contributing to climate change. Furthermore, the reliance on fossil fuels poses a challenge as the world moves towards sustainable energy sources. Many companies are now investing in research and development to create bio-based alternatives to traditional petrochemicals, aiming to reduce their environmental impact.In conclusion, petrochemicals are a fundamental aspect of contemporary life, underpinning many products and industries that we often take for granted. Understanding the processes involved in their production and the implications of their use is crucial for fostering innovation and sustainability in the future. As society continues to evolve, the challenge will be to balance the benefits of petrochemicals with the need for environmental stewardship and the transition to greener alternatives.

“石油化学品”一词指的是从石油或天然气中提取的化学产品。这些物质在我们日常使用的各种材料的生产中至关重要，从塑料和合成纤维到清洁剂和肥料。现代社会中“石油化学品”的重要性不容小觑，因为它们在汽车、建筑和医疗等多个行业中发挥着关键作用。生产“石油化学品”的过程始于原油或天然气的提取。一旦提取，这些原材料就会经过精炼过程，将其分离成不同的组分。其中最重要的“石油化学品”生产原料是石脑油、乙烷、丙烷和丁烷。这些组分中的每一个都作为创建更复杂化合物的基础。例如，石脑油可以通过一种称为蒸汽裂解的过程被裂解成更小的分子，从而形成乙烯和丙烯。乙烯是制造聚乙烯的关键成分，聚乙烯是世界上使用最广泛的塑料之一。同样，丙烯用于生产聚丙烯，这是一种具有多种应用的另一种重要塑料。除了塑料，“石油化学品”还对合成橡胶的生产至关重要，合成橡胶用于轮胎和各种汽车部件。轮胎行业在确保道路安全和效率方面严重依赖“石油化学品”来制造耐用且高性能的产品。此外，“石油化学品”还用于生产涂料、涂层和粘合剂，这些在建筑和制造行业至关重要。此外，农业行业也显著受益于“石油化学品”。肥料、除草剂和杀虫剂通常通过涉及“石油化学品”的化学过程来生产，这些产品有助于提高作物产量并保护作物免受害虫侵害。“石油化学品”与农业之间的这种关系突显了这些物质在确保全球人口日益增长的粮食安全方面的重要性。尽管有许多优点，但“石油化学品”的生产和消费也引发了环境问题。提取和精炼过程可能导致污染和温室气体排放，从而加剧气候变化。此外，对化石燃料的依赖在世界向可持续能源来源转型时带来了挑战。许多公司现在正投资于研究和开发，以创造传统“石油化学品”的生物基替代品，旨在减少它们的环境影响。总之，“石油化学品”是当代生活的基本组成部分，支撑着我们常常视而不见的许多产品和行业。了解其生产过程及其使用的影响对于促进未来的创新和可持续性至关重要。随着社会的不断发展，挑战将是平衡“石油化学品”的好处与环境管理和向更环保替代品转型的需求。