pyrethroids
简明释义
英[ˌpaɪrəˈθrɔɪdz]美[ˌpaɪrəˈθrɔɪdz]
n. [有化]拟除虫菊酯（pyrethroid 的复数形式）
英英释义
单词用法
拟除虫菊酯杀虫剂 | |
合成拟除虫菊酯 | |
施用拟除虫菊酯 | |
对拟除虫菊酯的抗性 |
同义词
反义词
| 新烟碱类 | 新烟碱类常被用作系统性杀虫剂。 | ||
| 昆虫生长调节剂 | 昆虫生长调节剂干扰昆虫的生命周期。 |
例句
1.All Of pyrethroids are insoluble in water.
所有拟除虫菊酯不溶于水。
2.The voltage-sensitive sodium channels are important action targets of DDT and pyrethroids.
电压敏感的钠通道是DDT和拟除虫菊酯类杀虫剂的主要靶标。
3.A new chemical structure category of pyrethroids was synthesized. The tests in insecticidal activity was reported.
报道了一种新型结构的拟除虫菊酯类似物的合成以及杀虫活性试验。
4.Resistance to pyrethroids has emerged, especially Africa, although so far there have been only one or two cases of obvious control failure.
对拟除虫菊酯的耐药性已经出现，特别是在非洲，虽然迄今明显控制失败情况只有一两例。
5.This method can detect pyrethroids residues in aquatic product quickly and exactly.
该方法快速、准确、可靠，适合于测定水产品中拟除虫菊酯类药物的残留。
6.The result showed that ozone can effectively decline the residues of pyrethroids?And the ozone treatment had no significant effect on the vegetable.
结果表明，臭氧对于拟除虫菊酯农药均有较好的去除效果，臭氧对于蔬菜品质不产生影响。
7.An increasing mosquito resistance to insecticides, including DDT and pyrethroids, particularly in Africa; and.
蚊虫对包括滴滴涕和拟除虫菊酯等杀虫剂的耐药力越来越强，特别是在非洲。
8.The bioassay results indicated that PBO synergised 7 pyrethroids significantly, with the highest synergistic ratio (119 3) for fenvalerate and the lowest (2 1) for permethrin.
生物测定结果表明，PBO对所测定的7种拟除虫菊酯均有不同程度的增效作用，对氰戊菊酯的增效比最高（1193） ，对氯菊酯的增效比最低（21）。
9.The resistance to pyrethroids were caused by both target insensitivity and metabolic detoxication of monooxygenase and esterase.
对菊酯的抗性是由多功能氧化酶、酯酶、以及神经不敏感性几个因子综合作用的结果。
10.Many household insecticides contain pyrethroids due to their effectiveness.
许多家庭杀虫剂含有拟除虫菊酯，因为它们效果显著。
11.Research has shown that pyrethroids can be harmful to aquatic life.
研究表明，拟除虫菊酯对水生生物可能有害。
12.Some people may have allergic reactions to pyrethroids when used indoors.
一些人在室内使用拟除虫菊酯时可能会出现过敏反应。
13.Farmers often use pyrethroids to control pests in their crops.
农民经常使用拟除虫菊酯来控制作物中的害虫。
14.The use of pyrethroids is common in mosquito control programs.
在蚊子控制计划中，使用拟除虫菊酯是很常见的。
作文
In the world of pest control, various substances are utilized to manage and eliminate unwanted insects. One such group of chemicals is known as pyrethroids, which are synthetic versions of naturally occurring compounds found in chrysanthemum flowers. These compounds are widely used due to their effectiveness in targeting a broad spectrum of pests while being relatively safe for humans and pets when applied correctly. The use of pyrethroids has revolutionized pest management in both agricultural and residential settings, making it easier to maintain healthy crops and living environments.The mechanism of action of pyrethroids involves disrupting the normal functioning of an insect's nervous system. They work by binding to sodium channels in the nerve cells, causing prolonged nerve impulses that ultimately lead to paralysis and death of the insect. This mode of action is particularly effective against common pests such as mosquitoes, flies, and agricultural insects like aphids and beetles. Because of their rapid knockdown effect, pyrethroids are often chosen for indoor insecticide formulations, providing quick relief from infestations.Despite their advantages, the use of pyrethroids is not without controversy. Some studies have raised concerns about their potential impact on non-target organisms, including beneficial insects, aquatic life, and even humans. For instance, while pyrethroids are generally considered safe for use around humans and pets, there is evidence suggesting that prolonged exposure may lead to health issues, particularly for vulnerable populations such as children and pregnant women. Additionally, the environmental persistence of pyrethroids raises questions about their long-term effects on ecosystems, especially in aquatic environments where runoff can lead to contamination.To mitigate these risks, it is essential to use pyrethroids responsibly and in accordance with label instructions. Integrated Pest Management (IPM) principles can help ensure that these chemicals are used judiciously, combining them with other pest control methods such as biological control and cultural practices. By using pyrethroids as part of a broader pest management strategy, we can minimize their negative impacts while still reaping the benefits of their efficacy.In conclusion, pyrethroids represent a significant advancement in pest control technology, providing effective solutions for managing pest populations. However, it is crucial to balance their use with environmental and health considerations. As research continues to evolve, it is our responsibility as consumers and practitioners to stay informed about the best practices for using pyrethroids and to advocate for sustainable pest management solutions that protect both human health and the environment.
在害虫控制的世界中，各种物质被用来管理和消灭不必要的昆虫。其中一类化学物质被称为拟除虫菊酯，它们是自然存在于菊花中的化合物的合成版本。这些化合物因其能够有效针对广泛的害虫而被广泛使用，同时在正确施用时对人类和宠物相对安全。拟除虫菊酯的使用彻底改变了农业和住宅环境中的害虫管理，使维护健康的作物和生活环境变得更加容易。拟除虫菊酯的作用机制涉及破坏昆虫神经系统的正常功能。它们通过与神经细胞中的钠通道结合，导致神经冲动的延长，最终导致昆虫的麻痹和死亡。这种作用模式对常见害虫，如蚊子、苍蝇以及农作物害虫如蚜虫和甲虫特别有效。由于其快速的击倒效果，拟除虫菊酯通常被选用于室内杀虫剂配方，提供对侵扰的快速缓解。尽管有其优点，拟除虫菊酯的使用并非没有争议。一些研究对其对非目标生物的潜在影响表示担忧，包括有益昆虫、水生生物，甚至人类。例如，虽然拟除虫菊酯通常被认为对人类和宠物使用是安全的，但有证据表明，长期接触可能导致健康问题，特别是对儿童和孕妇等脆弱群体。此外，拟除虫菊酯的环境持久性引发了对其对生态系统长期影响的质疑，尤其是在水生环境中，径流可能导致污染。为了减轻这些风险，负责任地使用拟除虫菊酯至关重要，并遵循标签说明。综合害虫管理（IPM）原则可以帮助确保这些化学品被谨慎使用，将其与其他害虫控制方法结合起来，例如生物控制和文化实践。通过将拟除虫菊酯作为更广泛的害虫管理策略的一部分，我们可以最大程度地减少其负面影响，同时仍然获得其有效性的好处。总之，拟除虫菊酯代表了害虫控制技术的重要进展，为管理害虫种群提供了有效的解决方案。然而，平衡其使用与环境和健康考虑至关重要。随着研究的不断发展，作为消费者和从业者的我们有责任保持对使用拟除虫菊酯最佳实践的了解，并倡导可持续的害虫管理解决方案，以保护人类健康和环境。
