pour point

简明释义

怜点

英英释义

例句

1.A lower pour point means better fluidity in cold conditions.

较低的倾点意味着在寒冷条件下更好的流动性。

2.Before using the lubricant, check its pour point to ensure it will flow at low temperatures.

在使用润滑剂之前，检查其倾点以确保在低温下能够流动。

3.Engine oils are often tested for their pour point to determine suitability for winter use.

发动机油通常会测试其倾点以确定是否适合冬季使用。

4.The oil's pour point is critical for its performance in cold weather.

油的倾点在寒冷天气中的性能至关重要。

5.The pour point of diesel fuel is an important factor for winter driving.

柴油的倾点是冬季驾驶的重要因素。

作文

The term pour point refers to the lowest temperature at which a liquid, typically a petroleum product, can flow. This property is crucial in various industries, particularly in the oil and gas sector, where it determines how well a liquid can be transported and used in colder environments. Understanding the pour point is essential for ensuring that fuels remain usable and do not solidify in pipelines or tanks during transport and storage.For instance, when crude oil is extracted from the ground, it contains various components, including paraffin waxes. As the temperature drops, these waxes can crystallize and cause the oil to thicken, leading to operational challenges. The pour point is thus a critical parameter that engineers must consider when designing systems for transporting and storing oil. If the pour point of a particular oil is too high, it may not be suitable for use in colder climates without additional processing or additives.In addition to its importance in the oil industry, the concept of pour point also extends to other liquids, such as lubricants and biodiesel. For lubricants, a low pour point ensures that they can provide adequate protection to machinery even under low-temperature conditions. Similarly, biodiesel must have an appropriate pour point to ensure that it can be used effectively in diesel engines during winter months.To measure the pour point, a standardized test is conducted where a sample of the liquid is cooled gradually. Observations are made to determine the temperature at which the liquid ceases to flow. This measurement is critical for manufacturers and users alike, as it helps them select the right products for their specific applications. In some cases, modifications to the formulation of a liquid may be necessary to achieve a desirable pour point, allowing it to perform better in cold conditions.Moreover, understanding the pour point can also help in predicting the behavior of a liquid during transportation. For example, if a tanker carrying crude oil encounters extremely low temperatures, knowing the pour point allows operators to take preventive measures, such as heating the cargo or using insulation to maintain the temperature above the pour point.In conclusion, the pour point is a significant property that affects the usability and performance of various liquids, especially in the oil and gas industry. By understanding and monitoring this characteristic, companies can ensure efficient operations, prevent costly downtime, and maintain product integrity in challenging environmental conditions. As technology advances, ongoing research into improving the pour point of different fluids will continue to play a vital role in enhancing performance and reliability across multiple sectors.

“流动点”是指液体（通常是石油产品）能够流动的最低温度。这个特性在各个行业中至关重要，特别是在石油和天然气行业，因为它决定了液体在寒冷环境中的运输和使用效果。理解“流动点”对于确保燃料保持可用状态，并在运输和储存过程中不会在管道或储罐中固化，至关重要。例如，当原油从地面开采时，它包含各种成分，包括石蜡。当温度下降时，这些蜡可能会结晶，导致石油变稠，从而带来操作上的挑战。因此，“流动点”是工程师在设计运输和储存石油系统时必须考虑的关键参数。如果某种石油的“流动点”过高，它可能不适合在寒冷气候中使用，除非进行额外的处理或添加剂。除了在石油行业的重要性外，“流动点”的概念还扩展到其他液体，如润滑剂和生物柴油。对于润滑剂而言，低“流动点”确保它们在低温条件下也能为机械提供足够的保护。同样，生物柴油必须具有适当的“流动点”，以确保它在冬季能够有效用于柴油发动机。测量“流动点”需要进行标准化测试，液体样本逐渐降温。在此过程中观察，以确定液体停止流动的温度。这个测量对制造商和用户都至关重要，因为它帮助他们为特定应用选择合适的产品。在某些情况下，可能需要对液体的配方进行修改，以达到理想的“流动点”，使其在寒冷条件下的表现更好。此外，了解“流动点”还可以帮助预测液体在运输过程中的行为。例如，如果一艘运载原油的油轮遇到极低的温度，知道“流动点”可以让操作员采取预防措施，如加热货物或使用绝缘材料保持温度高于“流动点”。总之，“流动点”是影响各种液体可用性和性能的重要特性，尤其是在石油和天然气行业。通过理解和监测这一特性，公司可以确保高效运营，防止昂贵的停机时间，并在严苛的环境条件下保持产品的完整性。随着技术的进步，对不同液体“流动点”改善的持续研究将继续在提升多个行业的性能和可靠性方面发挥重要作用。