ignition temperature
简明释义
着火点
英英释义
The minimum temperature at which a substance will ignite and continue to burn in the air without an external ignition source. | 物质在空气中点燃并持续燃烧所需的最低温度,无需外部点火源。 |
例句
1.When designing a furnace, engineers must consider the ignition temperature of the fuel used.
在设计炉子时,工程师必须考虑所用燃料的点燃温度。
2.Different substances have varying ignition temperatures, affecting their flammability.
不同物质的点燃温度不同,影响其可燃性。
3.The ignition temperature of gasoline is around 247 degrees Celsius.
汽油的点燃温度大约是247摄氏度。
4.Understanding the ignition temperature of materials is crucial for fire safety.
了解材料的点燃温度对火灾安全至关重要。
5.The ignition temperature of wood varies depending on its moisture content.
木材的点燃温度因其水分含量而异。
作文
The concept of ignition temperature is crucial in understanding how materials react under heat and can lead to combustion. In simple terms, the ignition temperature (点燃温度) of a substance is the minimum temperature at which it will spontaneously ignite without an external flame or spark. This phenomenon is not only significant in chemistry but also plays a vital role in various industries, including manufacturing, firefighting, and environmental science.To illustrate the importance of ignition temperature, consider the case of flammable liquids. Each type of liquid has its own unique ignition temperature that must be taken into account when handling or storing these substances. For example, gasoline has a relatively low ignition temperature of around 246 degrees Celsius (475 degrees Fahrenheit). This means that if gasoline is exposed to heat sources that reach this temperature, it can ignite, leading to potentially disastrous consequences.In contrast, other materials may have much higher ignition temperatures. For instance, wood typically ignites at around 300 degrees Celsius (572 degrees Fahrenheit). This difference highlights the importance of understanding the ignition temperature of various materials to prevent fires and ensure safety in environments where these materials are present.Moreover, the ignition temperature is also influenced by several factors such as pressure, humidity, and the presence of other chemicals. For example, in a high-pressure environment, the ignition temperature of a gas may increase, making it less likely to ignite. Conversely, in a humid environment, some materials may have a lower ignition temperature, increasing the risk of fire. This variability necessitates thorough testing and research to ascertain the ignition temperature of materials under different conditions.In industries like manufacturing, knowledge of ignition temperature is essential for creating safe working environments. Engineers and safety personnel must ensure that equipment and processes do not exceed the ignition temperature of any materials involved. This includes regular monitoring of temperatures and implementing safety measures such as fire suppression systems.In the field of firefighting, understanding ignition temperature helps firefighters develop effective strategies for controlling and extinguishing fires. By knowing the ignition temperature of materials involved in a fire, they can determine the best approach to mitigate the situation and protect lives and property.Furthermore, in environmental science, the ignition temperature of organic materials plays a critical role in understanding wildfires. Researchers study how different vegetation types react to heat and what their ignition temperatures are to predict fire behavior and develop strategies for managing wildfires effectively.In conclusion, the ignition temperature (点燃温度) is a fundamental concept that impacts numerous fields ranging from industrial safety to environmental management. A comprehensive understanding of ignition temperature enables individuals and organizations to take necessary precautions to prevent accidents and manage risks associated with combustion. As we continue to explore and expand our knowledge of materials and their properties, the significance of ignition temperature will remain a pivotal aspect of safety and prevention strategies in our society.
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