autoignition temperature

简明释义

自燃温度;

英英释义

例句

1.The autoignition temperature of wood varies depending on its type and moisture content.

木材的自燃温度因其类型和水分含量而异。

2.During the experiment, we measured the autoignition temperature of the fuel to assess its flammability.

在实验过程中，我们测量了燃料的自燃温度以评估其易燃性。

3.Understanding the autoignition temperature of various chemicals is crucial for safe storage.

了解各种化学品的自燃温度对于安全储存至关重要。

4.In a fire safety training, we learned that the autoignition temperature of paper is about 230 degrees Celsius.

在消防安全培训中，我们了解到纸张的自燃温度大约为230摄氏度。

5.The autoignition temperature of gasoline is around 280 degrees Celsius.

汽油的自燃温度大约为280摄氏度。

作文

The study of combustion processes is crucial in various fields, including engineering, environmental science, and safety management. One key concept in this area is the autoignition temperature, which refers to the lowest temperature at which a substance will spontaneously ignite without an external ignition source. Understanding this phenomenon is essential for preventing accidental fires and ensuring safe handling of flammable materials.When discussing the autoignition temperature, it is important to consider several factors that influence this critical value. For instance, the chemical composition of the material plays a significant role; different substances have varying autoignition temperatures. For example, gasoline has a lower autoignition temperature compared to diesel fuel, making it more prone to ignition under certain conditions. Additionally, environmental factors such as pressure and humidity can also affect the autoignition temperature. Higher pressures often lead to increased temperatures required for ignition, while higher humidity can sometimes lower the ignition threshold.In practical applications, knowledge of the autoignition temperature is vital for industries that handle combustible materials. For instance, in the oil and gas sector, understanding the autoignition temperature of various hydrocarbons helps engineers design safer storage facilities and transportation methods. If the temperature of the environment exceeds the autoignition temperature of a stored substance, there is a significant risk of fire or explosion, which can have catastrophic consequences.Moreover, the autoignition temperature is also a critical factor in fire prevention strategies. Firefighters and safety personnel are trained to recognize the autoignition temperature of various chemicals so they can take appropriate measures to mitigate risks during emergencies. For example, if a chemical spill occurs, knowing the autoignition temperature allows responders to assess whether the situation is likely to escalate into a fire hazard, enabling them to act quickly and effectively.Furthermore, the autoignition temperature is not just a theoretical concept; it has real-world implications. In industrial settings, machinery and equipment are often designed with safety features that account for the autoignition temperature of materials being processed. This includes using cooling systems to keep temperatures below the autoignition temperature and implementing proper ventilation to reduce the concentration of flammable vapors.In conclusion, the autoignition temperature is a fundamental concept in the study of combustion and fire safety. By understanding what it is and how it varies among different substances, professionals in various fields can better manage risks associated with flammable materials. Whether in industrial applications, emergency response, or safety management, awareness of the autoignition temperature is essential for preventing accidents and protecting lives. As we continue to explore and innovate in the realms of chemistry and engineering, the significance of the autoignition temperature will undoubtedly remain a critical consideration in our pursuit of safety and efficiency.

燃烧过程的研究在工程、环境科学和安全管理等多个领域至关重要。其中一个关键概念是自燃点，它指的是物质在没有外部点火源的情况下，自发点燃的最低温度。理解这一现象对于防止意外火灾和确保易燃材料的安全处理至关重要。在讨论自燃点时，考虑影响这一关键值的多个因素是非常重要的。例如，材料的化学成分在其中起着重要作用；不同的物质具有不同的自燃点。例如，汽油的自燃点低于柴油，这使得它在某些条件下更容易点燃。此外，压力和湿度等环境因素也会影响自燃点。较高的压力通常会导致点燃所需的温度升高，而较高的湿度有时会降低点燃阈值。在实际应用中，了解自燃点对处理可燃材料的行业至关重要。例如，在石油和天然气行业，了解各种烃类的自燃点可以帮助工程师设计更安全的储存设施和运输方式。如果环境温度超过了储存物质的自燃点，就会存在发生火灾或爆炸的重大风险，这可能会带来灾难性的后果。此外，自燃点也是火灾预防策略中的关键因素。消防员和安全人员接受培训，以识别各种化学品的自燃点，以便在紧急情况下采取适当的措施来减轻风险。例如，如果发生化学品泄漏，了解自燃点可以让应急响应者评估情况是否可能升级为火灾隐患，从而使他们能够迅速有效地采取行动。此外，自燃点不仅是一个理论概念；它具有现实世界的意义。在工业环境中，机器和设备通常设计有考虑到正在加工材料的自燃点的安全特性。这包括使用冷却系统将温度保持在自燃点以下，并实施适当的通风以减少易燃蒸汽的浓度。总之，自燃点是燃烧和消防安全研究中的基本概念。通过理解它是什么以及它在不同物质之间如何变化，各个领域的专业人士可以更好地管理与易燃材料相关的风险。无论是在工业应用、应急响应还是安全管理中，意识到自燃点对于防止事故和保护生命至关重要。随着我们继续探索和创新化学和工程领域，自燃点的重要性无疑将继续成为我们追求安全和效率的关键考虑因素。