autoignition temperature

简明释义

自燃温度

英英释义

例句

1.Certain chemicals have a low autoignition temperature, making them highly flammable.

某些化学物质的自燃温度较低，使其高度易燃。

2.When designing engines, engineers must consider the autoignition temperature to prevent premature ignition.

在设计发动机时，工程师必须考虑自燃温度以防止过早点火。

3.The autoignition temperature of gasoline is around 280°C, which means it can ignite spontaneously at that temperature.

汽油的自燃温度约为280°C，这意味着在该温度下它可以自发点燃。

4.Understanding the autoignition temperature of various fuels is crucial for safe storage and handling.

了解各种燃料的自燃温度对于安全存储和处理至关重要。

5.The autoignition temperature of wood is approximately 300°C, which is why it burns easily in a fire.

木材的自燃温度约为300°C，这就是它在火中容易燃烧的原因。

作文

The concept of autoignition temperature refers to the minimum temperature at which a substance will ignite without an external ignition source, such as a flame or spark. Understanding this phenomenon is crucial in various fields, particularly in chemistry, engineering, and safety management. For instance, when dealing with flammable materials, knowing the autoignition temperature can help prevent accidental fires and explosions. In industrial settings, many processes involve the handling of volatile substances that can easily catch fire. Each material has its unique autoignition temperature, which is influenced by several factors, including pressure, concentration, and the presence of other chemicals. For example, gasoline has a relatively low autoignition temperature of around 247 degrees Celsius (477 degrees Fahrenheit), making it highly flammable and dangerous if not handled properly. On the other hand, some materials may require much higher temperatures to ignite, thus posing different risks. Safety protocols often incorporate knowledge of autoignition temperature to establish safe working environments. For instance, workplaces that deal with combustible materials must be equipped with proper ventilation systems, fire suppression equipment, and employee training programs that emphasize the importance of recognizing and mitigating fire hazards. By understanding the autoignition temperature of the materials they work with, employees can take necessary precautions to avoid reaching these critical temperatures. Moreover, the autoignition temperature plays a significant role in environmental science and combustion research. Scientists study the ignition properties of various fuels to develop cleaner and more efficient energy sources. For example, biofuels derived from organic materials often have different autoignition temperatures compared to fossil fuels. This difference can influence their usability in engines and their overall impact on the environment. In conclusion, the autoignition temperature is a vital concept that intersects numerous disciplines, from industrial safety to environmental science. By comprehending the implications of this temperature, professionals can enhance safety measures, improve fuel efficiency, and contribute to sustainable practices. As we continue to innovate and explore new materials, understanding the autoignition temperature will remain essential in ensuring safe and effective utilization of various substances in our daily lives.

自燃温度的概念是指物质在没有外部点火源（如火焰或火花）的情况下，点燃所需的最低温度。理解这一现象在化学、工程和安全管理等多个领域至关重要。例如，在处理易燃材料时，了解自燃温度可以帮助防止意外火灾和爆炸。在工业环境中，许多过程涉及处理易挥发的物质，这些物质很容易着火。每种材料都有其独特的自燃温度，这受多种因素的影响，包括压力、浓度以及其他化学物质的存在。例如，汽油的自燃温度相对较低，约为247摄氏度（477华氏度），这使得其在不当处理时非常易燃且危险。另一方面，有些材料可能需要更高的温度才能点燃，因此面临不同的风险。安全协议通常结合自燃温度的知识来建立安全的工作环境。例如，处理可燃材料的工作场所必须配备适当的通风系统、灭火设备以及强调识别和减轻火灾危险的重要性的员工培训项目。通过了解他们所处理材料的自燃温度，员工可以采取必要的预防措施，以避免达到这些关键温度。此外，自燃温度在环境科学和燃烧研究中也起着重要作用。科学家研究各种燃料的点火特性，以开发更清洁、更高效的能源来源。例如，源自有机材料的生物燃料与化石燃料相比，往往具有不同的自燃温度。这种差异可能会影响它们在发动机中的可用性及其对环境的整体影响。总之，自燃温度是一个重要的概念，交叉于多个学科，从工业安全到环境科学。通过理解这一温度的影响，专业人士可以增强安全措施、提高燃料效率并促进可持续实践。随着我们不断创新和探索新材料，理解自燃温度将继续在确保我们日常生活中各种物质的安全和有效利用方面发挥重要作用。