pour point

简明释义

流点

英英释义

例句

1.The pour point (低凝点) test is crucial for determining how well a substance will perform in cold weather.

测试pour point (低凝点) 对于确定物质在寒冷天气中的表现至关重要。

2.We need to check the pour point (低凝点) of the lubricant before using it in winter conditions.

在冬季条件下使用润滑油之前，我们需要检查其pour point (低凝点)。

3.A higher pour point (低凝点) indicates that the liquid will solidify at a higher temperature.

较高的pour point (低凝点) 表明该液体将在更高的温度下固化。

4.To prevent engine problems, ensure that the fuel has an appropriate pour point (低凝点) for the climate.

为了防止发动机问题，确保燃料具有适合气候的pour point (低凝点)。

5.The oil has a low pour point (低凝点), which allows it to remain fluid in colder temperatures.

这种油的pour point (低凝点) 很低，这使得它在较低温度下仍然保持流动性。

作文

The term pour point refers to the lowest temperature at which a liquid, such as oil or fuel, can flow. This property is crucial in various industries, especially in the production and transportation of petroleum products. Understanding the pour point is essential for ensuring that these liquids can be pumped and utilized effectively under different temperature conditions. For instance, when the temperature drops below the pour point, the liquid tends to become more viscous, making it difficult to move through pipelines or machinery. In colder climates, the pour point becomes even more significant. Many companies conduct tests to determine the pour point of their products to ensure they remain functional during winter months. If a fuel does not have a sufficiently low pour point, it may gel or solidify, leading to operational failures in engines or heating systems. Thus, manufacturers often modify the chemical composition of fuels to achieve a desirable pour point that meets the needs of their customers and the environments in which the fuels will be used.Moreover, the pour point can also affect the overall performance and efficiency of engines. When fuels with high pour points are used in cold weather, they may not ignite properly or could cause incomplete combustion, resulting in increased emissions and reduced power output. This phenomenon underscores the importance of selecting the right fuel based on its pour point characteristics. In addition to fuels, the pour point is also relevant in the context of lubricants. Oils used in machinery must maintain their fluidity to provide adequate lubrication, especially in extreme temperatures. If the lubricant's pour point is too high, it can lead to increased friction and wear on engine parts, ultimately shortening the lifespan of the equipment. Therefore, industries rely on precise measurements of the pour point to formulate lubricants that perform well across a range of temperatures.Furthermore, the pour point can vary significantly among different substances. For example, while some oils may have a pour point of -20 degrees Celsius, others might remain fluid at much lower temperatures. This variability necessitates careful selection and testing of materials for specific applications, particularly in sectors such as aviation, where performance is critical.In conclusion, the pour point is a fundamental property that influences the usability of liquids in various applications. Its significance spans multiple industries, from automotive to manufacturing, highlighting the need for thorough understanding and testing. By ensuring that products have an appropriate pour point, companies can enhance their reliability and efficiency, ultimately leading to better performance and customer satisfaction. As technology advances, ongoing research into improving pour point characteristics will likely continue to play a vital role in product development and innovation.

术语pour point指的是液体（如油或燃料）可以流动的最低温度。这一特性在各个行业中至关重要，尤其是在石油产品的生产和运输中。理解pour point对于确保这些液体在不同温度条件下能够有效地泵送和使用至关重要。例如，当温度降到pour point以下时，液体往往会变得更加粘稠，使其难以通过管道或机械移动。在寒冷的气候中，pour point变得更加重要。许多公司进行测试以确定其产品的pour point，以确保它们在冬季仍然正常工作。如果燃料的pour point不够低，它可能会凝胶或固化，从而导致发动机或供暖系统的操作故障。因此，制造商通常会修改燃料的化学成分，以达到理想的pour point，以满足客户及其使用环境的需求。此外，pour point还会影响发动机的整体性能和效率。当在寒冷天气中使用高pour point的燃料时，它们可能无法正确点燃或导致不完全燃烧，从而导致排放增加和功率输出减少。这种现象强调了根据其pour point特性选择合适燃料的重要性。除了燃料，pour point在润滑剂的上下文中也很相关。用于机械的油必须保持流动性，以提供足够的润滑，特别是在极端温度下。如果润滑剂的pour point过高，可能会导致摩擦增加和发动机部件磨损，从而最终缩短设备的使用寿命。因此，各行业依赖精确的pour point测量来配制在各种温度下表现良好的润滑剂。此外，不同物质的pour point可能差异显著。例如，某些油的pour point可能为-20摄氏度，而其他油可能在更低温度下仍保持流动。这种变异性需要在特定应用中仔细选择和测试材料，特别是在航空等对性能要求极高的领域。总之，pour point是影响各种应用中液体可用性的基本特性。它的重要性跨越多个行业，从汽车到制造，突显了深入理解和测试的必要性。通过确保产品具有适当的pour point，公司可以提高其可靠性和效率，最终实现更好的性能和客户满意度。随着技术的进步，对改善pour point特性的持续研究可能会继续在产品开发和创新中发挥重要作用。