metaldehyde

简明释义

英[metˈældɪhaɪd]美[mɪˈtældəhaɪd]

n. [高分子] 聚乙醛；[有化] 四聚乙醛

英英释义

单词用法

同义词

反义词

例句

1.The main composition of this wastewater is acetaldehyde, paraldehyde, metaldehyde, pyridine and some acetaldehyde polymers.

某化工厂废水主要成份为乙醛、少量三聚乙醛、四聚乙醛、吡啶和一些乙醛聚合物。

2.Don't use snail bait that contains metaldehyde, fly bait that contains methomyl, and mole or gopher bait where your dog or cat can get to it.

不要使用蜗牛的饵料，包含聚乙醛，飞饵包含灭，和摩尔或鼠饵所在狗或猫可以得到它。

3.Don't use snail bait that contains metaldehyde, fly bait that contains methomyl, and mole or gopher bait where your dog or cat can get to it.

不要使用蜗牛的饵料，包含聚乙醛，飞饵包含灭，和摩尔或鼠饵所在狗或猫可以得到它。

4.Always read the label before using metaldehyde products to ensure safe application.

在使用金属醛产品之前，务必阅读标签以确保安全使用。

5.The environmental impact of metaldehyde is a concern for many ecologists.

许多生态学家对金属醛的环境影响表示担忧。

6.It's important to handle metaldehyde carefully, as it can be toxic to pets.

小心处理金属醛是很重要的，因为它对宠物可能有毒。

7.Farmers apply metaldehyde granules to crops to prevent damage from slugs.

农民在作物上施用金属醛颗粒，以防止蜗牛造成的损害。

8.Gardeners often use metaldehyde to control slug populations in their gardens.

园丁们常常使用金属醛来控制花园中的蜗牛种群。

作文

In the realm of gardening and pest control, one chemical that often comes up in discussions is metaldehyde. This compound is primarily used as a pesticide, particularly for controlling slugs and snails, which can be quite destructive to gardens and crops. Understanding metaldehyde and its applications is crucial for gardeners who wish to maintain a healthy and thriving garden. Metaldehyde is a solid compound that has been used for decades in various formulations. It works by affecting the nervous system of these pests, leading to dehydration and eventually death. While it is effective, it is important to use metaldehyde responsibly due to its potential toxicity to non-target species, including pets and wildlife. Therefore, gardeners must follow the instructions carefully when applying this substance. One of the main concerns regarding metaldehyde is its environmental impact. As it breaks down in the soil and water, it can pose risks to aquatic life and other organisms. This has led to increased scrutiny and regulation of its use in many areas. Consequently, some gardeners are turning to more natural alternatives for pest control, such as diatomaceous earth or iron phosphate, which are considered safer options. However, there are still situations where metaldehyde may be the best choice, especially in cases of severe slug infestations. When using metaldehyde, it is essential to apply it at the right time and in the correct amounts. Over-application not only increases the risk of harming beneficial insects but also contributes to pollution. Moreover, it is advisable to avoid using metaldehyde near water bodies to minimize runoff and contamination. Education plays a significant role in the responsible use of metaldehyde. Gardeners should be informed about the potential risks and benefits associated with this chemical. Workshops and informational sessions can help spread awareness about safe application practices and alternative pest control methods. In conclusion, metaldehyde is a powerful tool in the arsenal of pest control for gardeners, but it must be used judiciously. By understanding its properties, risks, and best practices, gardeners can effectively manage pests while minimizing harm to the environment and non-target species. The key lies in finding a balance between effective pest management and ecological responsibility.

在园艺和害虫控制的领域中，一个经常被提及的化学物质是金属醛。这种化合物主要用作农药，特别是用于控制蜗牛和蛞蝓，这些生物对花园和作物可能造成相当大的破坏。理解金属醛及其应用对希望保持健康和繁荣花园的园丁至关重要。金属醛是一种固体化合物，几十年来一直在各种配方中使用。它通过影响这些害虫的神经系统来发挥作用，导致脱水并最终死亡。虽然它很有效，但由于其对非目标物种（包括宠物和野生动物）的潜在毒性，负责任地使用金属醛非常重要。因此，园丁在施用这种物质时必须仔细遵循说明。关于金属醛的主要关注点之一是其对环境的影响。当它在土壤和水中分解时，可能对水生生物和其他生物构成风险。这导致对其在许多地区的使用进行更多审查和监管。因此，一些园丁开始转向更自然的害虫控制替代品，如硅藻土或磷酸铁，这被认为是更安全的选择。然而，在严重的蜗牛侵扰情况下，仍然有一些情况可能是使用金属醛的最佳选择。使用金属醛时，重要的是在正确的时间和适当的数量下施用。过量施用不仅增加了伤害有益昆虫的风险，还会导致污染。此外，建议避免在水体附近使用金属醛以尽量减少径流和污染。教育在金属醛的负责任使用中起着重要作用。园丁应该了解与这种化学物质相关的潜在风险和好处。研讨会和信息会议可以帮助传播有关安全施用实践和替代害虫控制方法的意识。总之，金属醛是园丁害虫控制工具箱中的一种强大工具，但必须谨慎使用。通过了解其特性、风险和最佳实践，园丁可以有效管理害虫，同时最小化对环境和非目标物种的危害。关键在于找到有效的害虫管理与生态责任之间的平衡。