parathion

简明释义

英[ˌpærəˈθaɪən]美[ˌpærəˈθaɪɑn]

n. [农药] 对硫磷；硝苯硫磷酯；柏拉息昂

英英释义

单词用法

同义词

反义词

例句

1.A novel electrochemical sensor for the detection of parathion based on molecularly imprinted polymer of self-assembled o-aminothiophenol onto gold electrode was constructed.

用电聚合的方法在金电极上制备了以对硫磷为模板分子的自组装邻氨基硫酚分子印迹膜传感器。

2.Omethoate, Cypermethrin and parathion additive does not affect its basic effect.

氧化乐果，氯氰菊酯和乙基对硫磷的助剂对其药效基本没有影响。

3.Methyl parathion hydrolase (MPH) was a novel member of phosphotriesterase.

甲基对硫磷水解酶（MPH）是一种新的有机磷水解酶。

4.The mechanism and kinetics of parathion degradation was investigated under high frequency ultrasonic irradiation in aqueous solution.

研究了高频超声降解水溶液中对硫磷的反应动力学以及机理。

5.We found that purified MPH have a 20-fold higher hydrolytic efficiency to methyl parathion than to parathion.

对MPH纯酶的底物特异性研究中发现：它水解甲基对硫磷的比活力是水解乙基对硫磷比活力的20余倍。

6.Separation and assay of parathion, methyl parathion, carbofuran and isocarbophos by micellar electrokinetic capillary electrophoresis;

比较了区带电泳和胶束电动色谱两种模式对维甲酸异构体的分离效果。

7.Objective To screen parathion residues in importing and exporting plants through indirect competitive ELISA method.

目的采用间接竞争ELISA法对进出口植物产品中对硫磷残留量进行快速筛选。

8.This paper describes an HPLC method to simultaneously determine methyl-parathion and phoxim in mixed formulation of methyl-parathion, phoxim and cypermethrin.

介绍了用高效液相色谱一反相色谱法同时测定氯氰菊酯、甲基对硫磷和辛硫磷三元混合制剂中的甲基对硫磷和辛硫磷。

9.The standard adding recovery ratio of methyl parathion on Chinese chives 'sample reaches 83.5%, and can meet the detecting requirement of residues for the pesticide in vegetables.

韭菜中甲基对硫磷的标准添加回收率为83.5%，可满足这种杀虫剂在蔬菜中残留量检测的要求。

10.Proper handling and storage of parathion are essential to prevent accidents.

妥善处理和储存parathion对于防止事故至关重要。

11.Exposure to parathion can lead to serious health issues.

接触parathion可能导致严重的健康问题。

12.In agricultural research, scientists study the effects of parathion on non-target species.

在农业研究中，科学家们研究parathion对非目标物种的影响。

13.Farmers often use parathion to control pests in their crops.

农民们经常使用parathion来控制作物中的害虫。

14.The use of parathion has been banned in many countries due to its toxicity.

由于其毒性，许多国家已经禁止使用parathion。

作文

Parathion is a highly toxic organophosphate pesticide that has been widely used in agriculture to control pests on various crops. The chemical formula of parathion is C10H14NO5PS, which indicates its complex structure. It was first synthesized in the 1940s and quickly became popular due to its effectiveness against a broad spectrum of insects. However, the use of parathion has raised significant health and environmental concerns over the decades. One of the primary reasons for the widespread use of parathion is its potency. Farmers often rely on this pesticide to protect their crops from destructive pests that can significantly reduce yield. For instance, crops such as cotton, corn, and fruit trees have benefitted from the application of parathion, which helps ensure food security and economic stability for farmers. However, the benefits come at a cost, as parathion is classified as a Category I pesticide by the Environmental Protection Agency (EPA), indicating it poses a high risk to human health. Exposure to parathion can occur through inhalation, skin contact, or ingestion, leading to acute poisoning symptoms such as headaches, dizziness, nausea, and respiratory distress. In severe cases, it can result in convulsions, loss of consciousness, and even death. These alarming effects have led to a growing number of regulations and restrictions on the use of parathion in many countries. For example, the European Union has banned its use entirely, while the United States has imposed strict guidelines to minimize exposure among agricultural workers.The environmental impact of parathion is equally concerning. When applied to crops, it can leach into the soil and waterways, affecting non-target organisms, including beneficial insects, birds, and aquatic life. The persistence of parathion in the environment raises questions about its long-term effects on ecosystems and biodiversity. As a result, researchers are exploring alternative pest management strategies that are less harmful to both human health and the environment.In recent years, integrated pest management (IPM) practices have gained traction as a safer alternative to traditional pesticide use. IPM combines biological, cultural, and mechanical methods to control pests while reducing reliance on chemical pesticides like parathion. This holistic approach not only minimizes the risks associated with chemical exposure but also promotes sustainable agricultural practices that protect the environment.In conclusion, while parathion has played a significant role in agricultural pest control, its toxicity and potential health risks cannot be overlooked. The shift towards safer and more sustainable pest management practices is essential to safeguard public health and the environment. As we continue to seek effective solutions for pest control, it is crucial to balance agricultural productivity with safety and ecological integrity. The story of parathion serves as a reminder of the importance of responsible pesticide use and the need for ongoing research in developing safer alternatives.

巴拉松是一种高度毒性的有机磷农药，广泛用于农业，以控制各种作物上的害虫。巴拉松的化学式为C10H14NO5PS，表明其复杂的结构。它于20世纪40年代首次合成，并迅速因其对广谱昆虫的有效性而受到欢迎。然而，几十年来，对巴拉松的使用引发了重大健康和环境问题。巴拉松被广泛使用的主要原因之一是其效力。农民常常依赖这种农药来保护他们的作物免受破坏性害虫的侵害，这些害虫可能会显著降低产量。例如，棉花、玉米和果树等作物从施用巴拉松中受益，这有助于确保粮食安全和农民的经济稳定。然而，这些好处是有代价的，因为巴拉松被美国环境保护署（EPA）列为I类农药，表明它对人类健康构成高风险。接触巴拉松可能通过吸入、皮肤接触或摄入发生，导致急性中毒症状，如头痛、头晕、恶心和呼吸窘迫。在严重情况下，它可能导致抽搐、失去意识甚至死亡。这些令人震惊的影响导致许多国家对巴拉松的使用实施越来越多的法规和限制。例如，欧盟已完全禁止其使用，而美国则施加严格的指导方针，以最小化农业工人的暴露。巴拉松对环境的影响同样令人担忧。当施用于作物时，它可能渗入土壤和水道，影响非目标生物，包括有益昆虫、鸟类和水生生物。巴拉松在环境中的持久性引发了关于其对生态系统和生物多样性长期影响的问题。因此，研究人员正在探索替代性害虫管理策略，这些策略对人类健康和环境的危害较小。近年来，综合害虫管理（IPM）实践作为传统农药使用的更安全替代方案逐渐受到关注。IPM结合生物、文化和机械方法来控制害虫，同时减少对像巴拉松这样的化学农药的依赖。这种整体方法不仅最小化了与化学暴露相关的风险，还促进了保护环境的可持续农业实践。总之，虽然巴拉松在农业害虫控制中发挥了重要作用，但其毒性和潜在健康风险不容忽视。向更安全、更可持续的害虫管理实践的转变对于保障公众健康和环境至关重要。在我们继续寻求有效的害虫控制解决方案时，平衡农业生产力与安全性和生态完整性至关重要。巴拉松的故事提醒我们负责任地使用农药的重要性，以及在开发更安全替代品方面进行持续研究的必要性。