spontaneous ignition

简明释义

自发火

英英释义

例句

1.The laboratory conducted experiments to study the conditions that lead to spontaneous ignition 自燃 of certain materials.

实验室进行了实验，以研究导致某些材料发生spontaneous ignition 自燃的条件。

2.Farmers need to be cautious about spontaneous ignition 自燃 when storing hay during hot weather.

农民在炎热天气下储存干草时需要小心spontaneous ignition 自燃。

3.The risk of spontaneous ignition 自燃 is higher in areas with high humidity and organic materials.

在湿度高和有机材料丰富的地区，spontaneous ignition 自燃的风险更高。

4.The dry leaves in the forest can sometimes lead to spontaneous ignition 自燃 if the temperature rises high enough.

森林中的干树叶有时会导致spontaneous ignition 自燃，如果温度升高到足够的程度。

5.Certain chemicals are known to cause spontaneous ignition 自燃 when mixed together improperly.

某些化学物质在不当混合时会导致spontaneous ignition 自燃。

作文

Spontaneous ignition is a fascinating phenomenon that occurs when a material ignites without an external flame or spark. This process can happen under certain conditions, particularly when the temperature of a substance rises to its ignition point due to chemical reactions, heat accumulation, or environmental factors. Understanding the concept of spontaneous ignition (自燃) is crucial for various fields, including chemistry, fire safety, and environmental science.In chemistry, spontaneous ignition can be observed in different substances, such as oily rags, compost piles, or even certain metals. For instance, when oily rags are left in a pile, the oils can undergo oxidation, generating heat. If this heat is not dissipated, it can raise the temperature of the rags to a point where they ignite spontaneously. This is a common scenario in many workplaces where oils and flammable materials are used. Thus, understanding spontaneous ignition (自燃) is essential for implementing proper safety measures to prevent fires.Another example of spontaneous ignition (自燃) can be found in composting. When organic materials decompose, microbial activity generates heat. If the compost pile is too large or poorly aerated, the heat can accumulate, leading to a rise in temperature. Eventually, this can cause the pile to reach its ignition point, resulting in a fire. This highlights the importance of monitoring composting processes and ensuring adequate aeration to prevent such incidents.The environmental implications of spontaneous ignition (自燃) are also significant. In natural settings, dry vegetation can ignite spontaneously during hot weather, leading to wildfires. These fires can rapidly spread, causing destruction to ecosystems, property, and even loss of life. Therefore, understanding the conditions that lead to spontaneous ignition (自燃) is vital for developing effective wildfire prevention strategies.Fire safety education plays a crucial role in preventing incidents related to spontaneous ignition (自燃). Individuals should be aware of the risks associated with materials that can ignite spontaneously. For example, storing oily rags in a metal container with a lid can help mitigate the risk of spontaneous ignition (自燃). Additionally, compost piles should be monitored regularly, and precautions should be taken to ensure they do not become too hot.In conclusion, spontaneous ignition (自燃) is a critical phenomenon that has implications across various domains, from industrial safety to environmental management. By understanding the conditions that lead to this occurrence, we can take proactive measures to prevent unwanted fires and protect both people and the environment. Education and awareness are key components in addressing the risks associated with spontaneous ignition (自燃), ensuring a safer future for all.