flash point

简明释义

闪点

英英释义

The lowest temperature at which vapors of a material will ignite when given an ignition source.

在给定点火源的情况下,材料蒸气会点燃的最低温度。

A critical point or moment at which a situation suddenly becomes much more intense or serious.

一个关键点或时刻,在这个时刻,情况突然变得更加激烈或严重。

例句

1.The oil's flash point is crucial for determining its safety in storage.

油的闪点对于确定其储存安全性至关重要。

2.A lower flash point means a higher risk of fire.

较低的闪点意味着更高的火灾风险。

3.Understanding the flash point of materials can help in fire prevention.

了解材料的闪点可以帮助防火。

4.The flash point of this solvent is 45 degrees Celsius.

这种溶剂的闪点为45摄氏度。

5.When working with chemicals, always check the flash point to avoid accidents.

在处理化学品时,务必检查闪点以避免事故。

作文

In the realm of chemistry, the term flash point refers to the lowest temperature at which a substance can vaporize to form an ignitable mixture in air. This property is particularly significant when dealing with flammable materials, as it determines how easily a material can catch fire. Understanding the flash point of various substances is crucial for safety in both industrial and domestic settings. For instance, gasoline has a low flash point, making it highly volatile and dangerous if not handled properly. On the other hand, substances like mineral oil have a much higher flash point, indicating that they are less likely to ignite under standard conditions.The concept of flash point extends beyond the laboratory; it also plays a vital role in everyday life. For example, when cooking, the oils we use have specific flash points that dictate the temperatures at which they can be safely heated. If the temperature exceeds the flash point, the oil can ignite, leading to kitchen fires. Therefore, knowing the flash point of cooking oils can help prevent accidents in the kitchen.Moreover, the flash point is a critical factor in transportation regulations. Hazardous materials are categorized based on their flash points to ensure safe handling during transport. For example, if a chemical has a low flash point, it may require special containers and labeling to alert handlers of the potential risks involved. This regulation helps to mitigate the dangers associated with transporting flammable materials, thereby protecting both people and the environment.In addition to its scientific implications, the term flash point has also found its way into popular culture and everyday language. It is often used metaphorically to describe a situation that is likely to escalate quickly or become volatile. For instance, in discussions about social issues, one might say that a particular event was the flash point for protests, indicating that it triggered a larger reaction from the community. This usage highlights how the concept of flash point can symbolize moments of ignition, whether in physical chemistry or human behavior.In conclusion, the flash point is a multifaceted term that encompasses both scientific principles and broader societal implications. From ensuring safety in laboratories and kitchens to understanding the dynamics of social movements, the flash point serves as a reminder of the potential for ignition—both literally and metaphorically. By grasping the significance of flash point, we can better navigate the complexities of our world, recognizing the fine line between stability and volatility.

在化学领域,术语闪点指的是一种物质能够蒸发形成可燃混合物的最低温度。这个特性在处理易燃材料时尤为重要,因为它决定了材料着火的容易程度。了解各种物质的闪点对于工业和家庭环境的安全至关重要。例如,汽油的闪点较低,使其高度挥发并且如果处理不当则非常危险。另一方面,矿物油的闪点要高得多,这表明在标准条件下它们不太可能着火。闪点的概念不仅限于实验室;它在日常生活中也起着重要作用。例如,在烹饪时,我们使用的油具有特定的闪点,这决定了它们可以安全加热的温度。如果温度超过闪点,油就可能会着火,从而导致厨房火灾。因此,了解烹饪油的闪点可以帮助防止厨房事故。此外,闪点是运输法规中的一个关键因素。危险材料根据其闪点进行分类,以确保在运输过程中安全处理。例如,如果一种化学品的闪点较低,它可能需要特殊的容器和标签,以提醒处理人员潜在的风险。这种规定有助于减少运输易燃材料所带来的危险,从而保护人们和环境。除了科学意义外,术语闪点还进入了流行文化和日常语言。它常常被比喻性地用来描述可能迅速升级或变得不稳定的情况。例如,在讨论社会问题时,人们可能会说某个事件是抗议的闪点,这表明它引发了更大范围的社区反应。这种用法突显了闪点的概念如何象征着点燃的时刻,无论是在物理化学还是人类行为中。总之,闪点是一个多方面的术语,涵盖了科学原理和更广泛的社会影响。从确保实验室和厨房的安全到理解社会运动的动态,闪点提醒我们潜在的点燃——无论是字面上还是比喻上。通过掌握闪点的重要性,我们可以更好地应对我们世界的复杂性,认识到稳定与不稳定之间的微妙界限。