lead arsenate

简明释义

砷酸铅

英英释义

例句

1.In the early 20th century, lead arsenate was a popular pesticide.

在20世纪初，铅砷酸盐是一种流行的农药。

2.Farmers used lead arsenate to control pests in their orchards.

农民在果园中使用铅砷酸盐来控制害虫。

3.Regulations now restrict the application of lead arsenate in agriculture.

现在的法规限制了在农业中应用铅砷酸盐。

4.The use of lead arsenate has been banned in many countries due to its toxicity.

由于其毒性，许多国家已禁止使用铅砷酸盐。

5.Exposure to lead arsenate can lead to serious health issues.

接触铅砷酸盐可能导致严重的健康问题。

作文

Lead arsenate, a compound formed from lead and arsenic, has a complex history that intertwines with agriculture and public health. This substance was widely used in the early 20th century as an insecticide, particularly in the cultivation of fruit trees. Farmers valued it for its effectiveness against pests such as codling moths and apple maggots. However, the very properties that made lead arsenate effective also rendered it highly toxic to both humans and the environment. The use of lead arsenate raised significant concerns as it began to accumulate in the soil and water sources, posing long-term health risks to agricultural workers and consumers alike.The toxicity of lead arsenate stems from its components: lead is a heavy metal that can cause neurological damage, while arsenic is a well-known poison that can lead to various health issues, including cancer. As awareness of these dangers grew, regulatory measures were implemented to limit or ban the use of lead arsenate in agriculture. By the mid-20th century, safer alternatives had been developed, leading to a decline in the use of this hazardous compound.Despite its historical significance, the legacy of lead arsenate continues to impact environmental health today. Sites where it was heavily used still face contamination issues, requiring cleanup efforts and ongoing monitoring. Additionally, the presence of lead arsenate in older fruit orchards poses risks for those who consume fruits grown in contaminated soil. This situation highlights the importance of understanding the long-term consequences of agricultural practices and the substances we introduce into our ecosystems.In conclusion, while lead arsenate played a crucial role in pest control during its time, it serves as a cautionary tale about the balance between agricultural productivity and environmental safety. The lessons learned from the use of lead arsenate remind us of the need for vigilance in the chemicals we apply to our lands and the potential repercussions they may have on our health and the environment. Moving forward, it is essential to prioritize sustainable practices that protect both our food supply and the planet, ensuring that future generations are not burdened by the mistakes of the past.

铅砷酸盐是一种由铅和砷形成的化合物，其复杂的历史与农业和公共健康交织在一起。这种物质在20世纪初被广泛用作农药，特别是在水果树的种植中。农民们重视它对害虫（如苹果蛀虫和苹果果蝇）的有效性。然而，使得铅砷酸盐有效的特性也使其对人类和环境高度毒性。铅砷酸盐的使用引发了重大关注，因为它开始在土壤和水源中积累，给农业工人和消费者带来了长期健康风险。铅砷酸盐的毒性源于其成分：铅是一种重金属，会导致神经损伤，而砷是一种众所周知的毒药，可导致多种健康问题，包括癌症。随着对这些危险的认识不断提高，监管措施相继实施，以限制或禁止在农业中使用铅砷酸盐。到20世纪中叶，更安全的替代品已经开发出来，导致这种有害化合物的使用减少。尽管铅砷酸盐具有历史意义，但其遗留问题至今仍影响着环境健康。在曾大量使用该物质的地点，仍面临污染问题，需要进行清理工作和持续监测。此外，老旧果园中存在的铅砷酸盐对食用受污染土壤中生长的水果的人构成风险。这种情况突显了理解农业实践和我们引入生态系统的物质的长期后果的重要性。总之，虽然铅砷酸盐在其使用时期在害虫控制中发挥了关键作用，但它也成为了农业生产力与环境安全之间平衡的警示故事。从铅砷酸盐的使用中汲取的教训提醒我们，在施用化学物质时需要保持警惕，以及它们可能对我们的健康和环境产生的潜在影响。展望未来，优先考虑保护我们的食品供应和地球的可持续实践至关重要，以确保未来几代人不再受到过去错误的负担。