heptachlor

简明释义

英[ˈheptəˌklɔː(r)]美[ˈheptəˌklɔr;ˈheptəˌklor]

n. [有化] 七氯（一种杀虫剂）

英英释义

单词用法

同义词

反义词

例句

1.207 top soil samples were collected from Hebei province and the contents of heptachlor were measured.

在河北省境内采集207个表层土壤样品，测定其中的七氯含量。

2.207 top soil samples were collected from Hebei province and the contents of heptachlor were measured.

在河北省境内采集207个表层土壤样品，测定其中的七氯含量。

3.Regulatory agencies monitor the levels of heptachlor in soil and water.

监管机构监测土壤和水中的heptachlor水平。

4.The use of heptachlor in agriculture has significantly declined over the past few decades.

在过去几十年中，农业中对heptachlor的使用显著减少。

5.Farmers were advised to stop using heptachlor as it can accumulate in the food chain.

农民被建议停止使用heptachlor，因为它会在食物链中积累。

6.Studies have shown that heptachlor exposure can lead to serious health issues.

研究表明，接触heptachlor可能导致严重的健康问题。

7.The pesticide heptachlor has been banned in many countries due to its harmful effects on the environment.

由于对环境的有害影响，农药heptachlor在许多国家被禁止。

作文

In the world of chemistry and environmental science, the term heptachlor refers to a synthetic pesticide that was widely used in the mid-20th century. heptachlor (七氯) is part of the organochlorine family, which includes several other pesticides that were popular during this time due to their effectiveness in controlling agricultural pests. However, as research progressed, the negative impacts of heptachlor on human health and the environment became increasingly apparent.Originally developed in the 1950s, heptachlor was primarily used to combat termites and other wood-boring insects. Its persistence in the environment was one of its notable characteristics, allowing it to remain active long after application. This property made heptachlor appealing to farmers and pest control professionals, who sought long-lasting solutions to pest problems. However, this same persistence also raised concerns about the accumulation of heptachlor in the food chain.Research has shown that exposure to heptachlor can lead to serious health issues, including liver damage, neurological effects, and even cancer. As a result, many countries began to restrict or ban the use of heptachlor in the late 1970s and 1980s. The United States Environmental Protection Agency (EPA) classified heptachlor as a probable human carcinogen, acknowledging the dangers associated with its use.Despite these bans, heptachlor continues to pose risks due to its presence in the environment. It can still be found in soil and water, leading to contamination of crops and fish. This raises concerns for communities that rely on these natural resources for their livelihoods and sustenance. Furthermore, the legacy of heptachlor serves as a cautionary tale about the potential consequences of using synthetic chemicals in agriculture without fully understanding their long-term effects.The story of heptachlor highlights the importance of sustainable agricultural practices and the need for safer alternatives to chemical pesticides. Integrated pest management (IPM) strategies, which focus on using a combination of biological, cultural, and mechanical methods to control pests, have gained popularity as more environmentally friendly approaches. These methods not only reduce reliance on harmful chemicals like heptachlor but also promote biodiversity and ecosystem health.In conclusion, the term heptachlor represents more than just a chemical compound; it symbolizes the complex relationship between humanity and the environment. As we strive to improve agricultural practices and protect public health, it is essential to learn from the past mistakes associated with substances like heptachlor. By prioritizing safety and sustainability, we can work towards a future where agriculture does not come at the expense of our health or the planet's well-being.

在化学和环境科学的世界中，术语heptachlor指的是一种合成农药，它在20世纪中叶被广泛使用。heptachlor（七氯）属于有机氯家族，其中包括许多在这一时期因其有效控制农业害虫而受到欢迎的农药。然而，随着研究的进展，heptachlor对人类健康和环境的负面影响变得日益明显。heptachlor最初是在1950年代开发的，主要用于对抗白蚁和其他木材钻孔昆虫。它在环境中的持久性是其显著特征之一，使其在施用后仍能保持活性。这一特性使得heptachlor对农民和害虫控制专业人士具有吸引力，他们寻求长期有效的害虫问题解决方案。然而，这种持久性也引发了对heptachlor在食物链中积累的担忧。研究表明，接触heptachlor可能导致严重的健康问题，包括肝损伤、神经系统影响甚至癌症。因此，许多国家在1970年代末和1980年代开始限制或禁止使用heptachlor。美国环保署（EPA）将heptachlor列为可能的人类致癌物，承认与其使用相关的危险。尽管这些禁令仍然存在，但由于heptachlor在环境中的存在，它仍然构成风险。它仍可能在土壤和水中被发现，导致作物和鱼类的污染。这引发了对依赖这些自然资源谋生和维持生计的社区的担忧。此外，heptachlor的遗留问题作为一个警示故事，提醒我们在农业中使用合成化学品时，必须充分理解其长期影响。heptachlor的故事突显了可持续农业实践的重要性，以及寻找安全替代品以取代化学农药的必要性。综合害虫管理（IPM）策略，专注于结合生物、文化和机械方法控制害虫，因其更环保的方法而受到欢迎。这些方法不仅减少了对像heptachlor这样有害化学品的依赖，还促进了生物多样性和生态系统健康。总之，术语heptachlor代表的不仅仅是一种化合物；它象征着人类与环境之间复杂的关系。在我们努力改善农业实践和保护公众健康的过程中，学习过去与heptachlor相关的错误至关重要。通过优先考虑安全和可持续性，我们可以朝着一个农业不以牺牲我们的健康或地球福祉为代价的未来迈进。