heavy fraction

简明释义

重馏分

英英释义

A heavy fraction refers to a portion of a mixture or compound that consists of larger, denser molecules or components, often found in contexts such as chemistry or petroleum refining.

重馏分是指混合物或化合物中由较大、较密的分子或成分组成的一部分,通常出现在化学或石油精炼等上下文中。

例句

1.The heavy fraction 重馏分 of the chemical mixture is often used in the production of lubricants.

化学混合物的重馏分 heavy fraction 通常用于润滑剂的生产。

2.During the experiment, we collected the heavy fraction 重馏分 to analyze its properties more closely.

在实验过程中,我们收集了重馏分 heavy fraction 以更仔细地分析其特性。

3.The oil refinery separates the crude oil into different products, with the heavy fraction 重馏分 being used for diesel fuel.

炼油厂将原油分离成不同的产品,其中重馏分 heavy fraction 用于柴油燃料。

4.The heavy fraction 重馏分 from the biomass conversion process can be converted into biofuels.

生物质转化过程中的重馏分 heavy fraction 可以转化为生物燃料。

5.In the distillation process, the heavy fraction 重馏分 contains larger hydrocarbons that are less volatile.

在蒸馏过程中,重馏分 heavy fraction 包含较大的碳氢化合物,这些化合物的挥发性较低。

作文

In the world of science and engineering, the term heavy fraction refers to a specific portion of a mixture that has a higher molecular weight or density compared to other components. This concept is particularly relevant in fields such as chemistry, petroleum engineering, and environmental science. Understanding the heavy fraction is crucial for various applications, including the refining of crude oil and the analysis of chemical compounds. For instance, in the oil refining process, the heavy fraction consists of larger hydrocarbon molecules that are typically less volatile and have higher boiling points. These fractions can be further processed to produce valuable products like diesel fuel, lubricating oils, and asphalt. The significance of the heavy fraction extends beyond just the oil industry. In environmental science, analyzing the heavy fraction of pollutants can help scientists understand the potential impact of these substances on ecosystems and human health. For example, heavy metals often constitute a heavy fraction in contaminated soils or sediments. By studying this heavy fraction, researchers can assess the risks associated with soil contamination and develop strategies for remediation. Additionally, the heavy fraction plays a role in the production of various materials. In polymer chemistry, for instance, the heavy fraction of a polymer blend may exhibit different properties than lighter fractions, influencing the material's strength, flexibility, and durability. This understanding allows engineers to tailor materials for specific applications, ensuring optimal performance in products ranging from packaging to automotive components. Moreover, in the context of food science, the heavy fraction can refer to the denser components of food mixtures, such as fats and oils. Understanding how these heavy fractions behave during cooking or processing can help chefs and food scientists create better recipes and improve food quality. For example, knowing the properties of the heavy fraction in a sauce can influence how it thickens or emulsifies, leading to a more desirable texture and flavor. In conclusion, the term heavy fraction serves as a critical concept across various disciplines. Whether in refining processes, environmental assessments, material production, or food science, recognizing the importance of the heavy fraction enables professionals to make informed decisions and optimize outcomes. As we continue to advance our understanding of complex mixtures, the study of heavy fractions will undoubtedly remain a key area of focus, driving innovation and improving our ability to manage resources and protect our environment.

在科学和工程的世界中,术语heavy fraction指的是具有比其他成分更高分子量或密度的混合物的特定部分。这个概念在化学、石油工程和环境科学等领域尤为相关。理解heavy fraction对各种应用至关重要,包括原油的精炼和化合物的分析。例如,在石油精炼过程中,heavy fraction由较大的烃分子组成,这些分子通常挥发性较低,沸点较高。这些分馏物可以进一步加工,生产出柴油、润滑油和沥青等有价值的产品。heavy fraction的重要性不仅限于石油行业。在环境科学中,分析污染物的heavy fraction可以帮助科学家了解这些物质对生态系统和人类健康的潜在影响。例如,重金属通常构成受污染土壤或沉积物的heavy fraction。通过研究这一heavy fraction,研究人员可以评估土壤污染相关的风险,并制定修复策略。此外,heavy fraction在各种材料的生产中也发挥着作用。在聚合物化学中,例如,聚合物混合物的heavy fraction可能表现出与轻分数不同的特性,从而影响材料的强度、柔韧性和耐用性。这种理解使工程师能够针对特定应用定制材料,确保产品在包装到汽车组件等方面的最佳性能。此外,在食品科学的背景下,heavy fraction可以指食品混合物中更稠密的成分,如脂肪和油。了解这些heavy fractions在烹饪或加工过程中的行为,可以帮助厨师和食品科学家创造更好的食谱,提高食品质量。例如,了解酱汁中heavy fraction的性质可以影响其增稠或乳化,从而导致更理想的质地和风味。总之,术语heavy fraction在各个学科中都是一个关键概念。无论是在精炼过程、环境评估、材料生产还是食品科学中,认识到heavy fraction的重要性使专业人士能够做出明智的决策并优化结果。随着我们继续推进对复杂混合物的理解,heavy fractions的研究无疑将继续成为一个关键关注领域,推动创新并提高我们管理资源和保护环境的能力。