methyl bromide

简明释义

溴甲烷

英英释义

例句

1.Pest control companies may use methyl bromide for fumigation processes.

害虫控制公司可能会在熏蒸过程中使用溴甲烷。

2.Farmers often use methyl bromide to control pests in their crops.

农民通常使用溴甲烷来控制作物中的害虫。

3.In some countries, methyl bromide is still permitted for certain agricultural applications.

在一些国家，某些农业应用中仍允许使用溴甲烷。

4.The use of methyl bromide has been restricted due to its ozone-depleting properties.

由于其破坏臭氧层的特性，溴甲烷的使用已受到限制。

5.Exposure to methyl bromide can lead to serious health issues.

接触溴甲烷可能导致严重的健康问题。

作文

Methyl bromide, a colorless gas with a sweet odor, is a compound that has been widely used as a pesticide and fumigant. Its chemical formula is CH3Br, which indicates that it consists of one carbon atom, three hydrogen atoms, and one bromine atom. The use of methyl bromide (溴甲烷) is significant in agriculture, particularly for controlling pests in crops like strawberries, tomatoes, and other fruits and vegetables. However, the environmental impact of this compound has raised serious concerns, leading to regulations and restrictions on its use in many countries.The primary reason for the widespread application of methyl bromide (溴甲烷) in agriculture is its effectiveness in eliminating a wide range of pests and pathogens. It acts by penetrating the soil and killing insects, nematodes, fungi, and weeds. This property makes it an invaluable tool for farmers seeking to protect their crops from infestations that can lead to significant economic losses. Despite its benefits, the harmful effects of methyl bromide (溴甲烷) on the ozone layer have prompted international action.In 1987, the Montreal Protocol was established to phase out substances that deplete the ozone layer, including methyl bromide (溴甲烷). The protocol recognized that while methyl bromide (溴甲烷) was effective for pest control, its release into the atmosphere contributed to ozone depletion, which protects the Earth from harmful ultraviolet radiation. As a result, many countries have implemented strict regulations regarding its use, encouraging farmers to transition to alternative pest management strategies.Alternatives to methyl bromide (溴甲烷) include integrated pest management (IPM) practices, which combine biological control, cultural practices, and the judicious use of chemicals. These methods not only reduce reliance on hazardous substances but also promote sustainable agriculture. Farmers are increasingly adopting these practices to mitigate the negative impacts associated with traditional pesticides, including those that contain methyl bromide (溴甲烷).Moreover, research continues to explore safer alternatives that can effectively replace methyl bromide (溴甲烷). For instance, compounds such as sulfuryl fluoride and phosphine have been proposed as substitutes; however, each alternative comes with its own set of environmental and health considerations. The challenge lies in finding solutions that balance efficacy with safety for both humans and the environment.In conclusion, methyl bromide (溴甲烷) has played a crucial role in agricultural pest management for decades. However, its detrimental effects on the ozone layer have necessitated a reevaluation of its use. As the agricultural sector moves towards more sustainable practices, the focus will need to shift towards innovative pest management strategies that do not rely on harmful chemicals. Ultimately, the goal is to protect both crops and the environment, ensuring a healthier planet for future generations.

溴甲烷是一种无色气体，具有甜味气味，是一种广泛用作农药和熏蒸剂的化合物。其化学式为CH3Br，表示它由一个碳原子、三个氢原子和一个溴原子组成。溴甲烷在农业中的使用具有重要意义，特别是在控制草莓、西红柿以及其他水果和蔬菜等作物中的害虫。然而，这种化合物对环境的影响引发了严重关注，导致许多国家对其使用进行了监管和限制。溴甲烷在农业中被广泛应用的主要原因是其有效消灭各种害虫和病原体的能力。它通过渗透土壤来杀死昆虫、线虫、真菌和杂草。这一特性使其成为农民保护作物免受可能导致重大经济损失的侵扰的重要工具。尽管有其好处，但溴甲烷对臭氧层的有害影响促使国际采取行动。1987年，《蒙特利尔议定书》成立，以逐步淘汰破坏臭氧层的物质，包括溴甲烷。该议定书认识到，虽然溴甲烷在害虫控制方面有效，但其释放到大气中会导致臭氧层的破坏，臭氧层保护地球免受有害紫外线辐射。因此，许多国家对其使用实施了严格的规定，鼓励农民转向替代的害虫管理策略。溴甲烷的替代品包括综合害虫管理（IPM）实践，这些实践结合了生物控制、文化实践和合理使用化学品。这些方法不仅减少了对危险物质的依赖，还促进了可持续农业。农民越来越多地采用这些做法，以减轻与传统农药（包括含有溴甲烷的农药）相关的负面影响。此外，研究继续探索可以有效替代溴甲烷的更安全替代品。例如，硫酰氟和磷化氢等化合物已被提议作为替代品；然而，每种替代品都有其自身的环境和健康考虑。挑战在于找到能够平衡有效性与人类和环境安全的解决方案。总之，溴甲烷在农业害虫管理中发挥了重要作用。然而，其对臭氧层的有害影响迫使人们重新评估其使用。随着农业部门向更可持续的做法发展，重点需要转向不依赖有害化学品的创新害虫管理策略。最终目标是保护作物和环境，确保未来世代拥有更健康的地球。