off gas

简明释义

废气

英英释义

例句

1.When the chemical reaction occurs, the substance will off gas toxic fumes.

当化学反应发生时，物质会释放有毒气体。

2.Make sure to monitor the area for any signs of off gas emissions during the experiment.

在实验期间，确保监测该区域是否有气体释放的迹象。

3.After the process, the reactor will off gas any remaining volatile compounds.

在过程结束后，反应器将释放任何剩余的挥发性化合物。

4.The factory needs to ensure that all machines off gas properly before maintenance.

工厂需要确保所有机器在维护之前都能释放气体。

5.It's important to ventilate the room as the new paint will off gas for several days.

由于新油漆会持续几天释放气体，通风是很重要的。

作文

In the world of chemistry and environmental science, the term off gas refers to the release of gases from a substance, often during processes like evaporation, combustion, or chemical reactions. Understanding this concept is crucial for various industries, including manufacturing, waste management, and even agriculture. When materials are heated or undergo decomposition, they can off gas, releasing volatile compounds into the atmosphere. This phenomenon can have significant implications for air quality and public health. For instance, in the construction industry, new building materials such as paints, adhesives, and sealants may off gas harmful chemicals like volatile organic compounds (VOCs). These substances can contribute to indoor air pollution, leading to health issues such as headaches, respiratory problems, and long-term effects on the nervous system. Therefore, it is essential for builders and homeowners to select low-VOC products to minimize the risk of off gas emissions. Similarly, in the realm of waste management, landfills are notorious for off gas emissions. As organic waste decomposes anaerobically, it generates methane and other greenhouse gases. This not only contributes to climate change but also poses a risk of explosion if the gases accumulate in an enclosed space. To combat this issue, many modern landfills incorporate systems to capture and utilize these gases for energy production, significantly reducing their environmental impact. Agriculture also encounters the challenge of off gas emissions, particularly concerning fertilizers and manure. When nitrogen-based fertilizers break down, they can release nitrous oxide, a potent greenhouse gas. Additionally, livestock waste can produce methane during digestion and decomposition. Farmers are encouraged to adopt sustainable practices, such as using cover crops and implementing better manure management techniques, to reduce the off gas from their operations. The importance of understanding off gas emissions extends beyond industrial applications; it also plays a role in everyday life. For example, when cooking with gas stoves, the combustion process can off gas carbon monoxide, a colorless and odorless gas that can be lethal in high concentrations. Proper ventilation is crucial to ensure that any off gas produced during cooking is safely dispersed. In conclusion, the term off gas encompasses a wide range of processes and implications across various fields. From construction to waste management to agriculture, understanding and managing off gas emissions is vital for ensuring environmental sustainability and public health. As we become more aware of the impacts of these emissions, it is imperative that industries and individuals alike take proactive steps to minimize off gas releases and promote cleaner alternatives. By doing so, we can work towards a healthier planet for future generations.

在化学和环境科学的领域中，短语off gas指的是物质释放气体的过程，通常发生在蒸发、燃烧或化学反应等过程中。理解这一概念对于制造业、废物管理甚至农业等多个行业至关重要。当材料被加热或分解时，它们可能会off gas挥发性化合物到大气中。这种现象对空气质量和公众健康有着重要影响。例如，在建筑行业，新型建筑材料如油漆、粘合剂和密封剂可能会off gas有害化学物质，如挥发性有机化合物（VOCs）。这些物质可能导致室内空气污染，引发头痛、呼吸问题以及对神经系统的长期影响。因此，建筑商和房主必须选择低VOCs产品，以减少off gas排放的风险。同样，在废物管理领域，垃圾填埋场因off gas排放而臭名昭著。当有机废物在厌氧条件下分解时，会产生甲烷和其他温室气体。这不仅会导致气候变化，还存在在封闭空间中积聚气体引发爆炸的风险。为了解决这个问题，许多现代垃圾填埋场都采用捕获和利用这些气体进行能源生产的系统，从而显著降低其环境影响。农业也面临着off gas排放的挑战，尤其是与肥料和 manure（动物粪便）有关。当氮基肥料分解时，可能会释放出一氧化二氮，这是一种强效温室气体。此外，牲畜粪便在消化和分解过程中会产生甲烷。鼓励农民采用可持续的做法，如使用覆盖作物和改进的粪便管理技术，以减少他们操作中的off gas。理解off gas排放的重要性不仅限于工业应用；它在日常生活中也扮演着角色。例如，在使用燃气灶具烹饪时，燃烧过程可能会off gas一氧化碳，这是一种无色无味的气体，高浓度时可能致命。适当的通风至关重要，以确保在烹饪过程中产生的任何off gas能够安全地散发。总之，短语off gas涵盖了多个领域的广泛过程和影响。从建筑到废物管理再到农业，理解和管理off gas排放对于确保环境可持续性和公众健康至关重要。随着我们越来越意识到这些排放的影响，各行各业和个人都必须采取积极措施，以最小化off gas释放，并促进更清洁的替代方案。通过这样做，我们可以为未来的世代创造一个更健康的星球。