methyl bromide
简明释义
溴化甲烷
英英释义
Methyl bromide is a colorless, odorless gas that is used as a pesticide and fumigant for agricultural products and stored goods. | 溴甲烷是一种无色、无味的气体,作为农产品和储存商品的杀虫剂和熏蒸剂使用。 |
例句
1.In some countries, methyl bromide is still used for fumigation purposes.
在一些国家,溴甲烷仍被用于熏蒸目的。
2.The agricultural industry is moving towards safer alternatives to methyl bromide.
农业行业正在朝着比溴甲烷更安全的替代品发展。
3.Workers handling methyl bromide must wear protective gear to avoid exposure.
处理溴甲烷的工人必须穿戴防护装备以避免接触。
4.Farmers often use methyl bromide to control pests in their crops.
农民们经常使用溴甲烷来控制作物中的害虫。
5.The use of methyl bromide has been restricted due to its harmful effects on the ozone layer.
由于溴甲烷对臭氧层的有害影响,其使用已受到限制。
作文
Methyl bromide, a colorless gas with a sweet odor, is an organobromine compound that has been widely used as a pesticide and fumigant. Its chemical formula is CH3Br, indicating that it consists of one carbon atom, three hydrogen atoms, and one bromine atom. The use of methyl bromide (溴甲烷) has been prevalent in the agricultural sector for decades, particularly for controlling pests in crops such as strawberries, tomatoes, and various ornamental plants. However, the environmental impact of this compound has raised significant concerns over the years.One of the most alarming issues associated with methyl bromide (溴甲烷) is its role in ozone depletion. When released into the atmosphere, methyl bromide (溴甲烷) can break down ozone molecules, leading to a thinning of the ozone layer. This layer is crucial for protecting life on Earth from harmful ultraviolet radiation. Increased UV exposure can result in higher rates of skin cancer, cataracts, and other health problems, as well as detrimental effects on ecosystems.Due to these environmental risks, the production and use of methyl bromide (溴甲烷) have been regulated under the Montreal Protocol, an international treaty aimed at phasing out substances that deplete the ozone layer. Many countries have successfully reduced their reliance on methyl bromide (溴甲烷), transitioning to alternative pest control methods that are less harmful to the environment. These alternatives include integrated pest management (IPM) practices, biological control agents, and other less toxic chemical pesticides.Despite the regulations, some agricultural sectors still rely on methyl bromide (溴甲烷) for its effectiveness in eradicating pests. For instance, in certain regions where pest resistance has developed against other pesticides, methyl bromide (溴甲烷) may be viewed as a necessary tool for ensuring crop yields. This presents a dilemma for farmers who must balance productivity with environmental responsibility.Research continues to explore safer alternatives to methyl bromide (溴甲烷). Innovations in pest control technology, such as the development of biodegradable materials and pheromone traps, offer promising solutions that could minimize the need for harmful chemicals. Furthermore, educating farmers about sustainable practices and the long-term benefits of reducing chemical usage is essential for fostering a more environmentally friendly agricultural industry.In conclusion, while methyl bromide (溴甲烷) has played a significant role in agriculture, its detrimental effects on the environment cannot be overlooked. The ongoing efforts to phase out this chemical highlight the importance of finding sustainable alternatives that protect both crops and the planet. As we move forward, it is crucial for stakeholders in the agricultural sector to collaborate on developing effective pest management strategies that prioritize ecological health and safety.
溴甲烷是一种无色气体,带有甜味,是一种广泛用作农药和熏蒸剂的有机溴化合物。它的化学式为CH3Br,意味着它由一个碳原子、三个氢原子和一个溴原子组成。几十年来,溴甲烷的使用在农业领域非常普遍,特别是在控制草莓、西红柿和各种观赏植物等作物中的害虫。然而,这种化合物对环境的影响多年来引起了重大关注。与溴甲烷最令人担忧的问题之一是它在臭氧消耗中的作用。当释放到大气中时,溴甲烷可以分解臭氧分子,导致臭氧层变薄。这个层对于保护地球上的生命免受有害紫外线辐射至关重要。增加的紫外线暴露可能导致皮肤癌、白内障和其他健康问题的发生率上升,以及对生态系统的不利影响。由于这些环境风险,生产和使用溴甲烷受到《蒙特利尔议定书》的监管,这是一个旨在逐步淘汰消耗臭氧层物质的国际条约。许多国家成功减少了对溴甲烷的依赖,转向对环境危害较小的替代害虫控制方法。这些替代方案包括综合害虫管理(IPM)实践、生物防治剂和其他毒性较低的化学农药。尽管有监管,一些农业部门仍然依赖于溴甲烷,因为它在消灭害虫方面的有效性。例如,在某些地区,当其他农药对害虫产生抗药性时,溴甲烷可能被视为确保作物产量的必要工具。这给农民带来了困境,他们必须在生产力和环境责任之间取得平衡。研究继续探索更安全的溴甲烷替代品。害虫控制技术的创新,例如可生物降解材料和信息素诱捕器的开发,提供了有希望的解决方案,可以最小化对有害化学物质的需求。此外,教育农民有关可持续做法及减少化学物质使用的长期好处,对于促进更环保的农业产业至关重要。总之,虽然溴甲烷在农业中发挥了重要作用,但其对环境的有害影响不容忽视。逐步淘汰这种化学物质的持续努力突显了寻找可持续替代品的重要性,以保护作物和地球。随着我们向前发展,农业部门的利益相关者必须合作开发优先考虑生态健康和安全的有效害虫管理策略。
相关单词