absolute lethal dose

简明释义

绝对致死剂量;

英英释义

The absolute lethal dose refers to the minimum amount of a substance that, when administered, is guaranteed to cause death in a specified percentage of a population.

绝对致死剂量是指在一定比例的人群中,施用后必然导致死亡的物质的最小量。

例句

1.The scientist calculated the absolute lethal dose 绝对致死剂量 of the new pesticide to ensure safety during testing.

科学家计算了新农药的绝对致死剂量 absolute lethal dose以确保测试期间的安全。

2.In toxicology studies, determining the absolute lethal dose 绝对致死剂量 is crucial for understanding the risks involved.

在毒理学研究中,确定绝对致死剂量 absolute lethal dose对于理解相关风险至关重要。

3.Understanding the absolute lethal dose 绝对致死剂量 helps in designing safer pharmaceuticals.

理解绝对致死剂量 absolute lethal dose有助于设计更安全的药物。

4.The absolute lethal dose 绝对致死剂量 of certain chemicals can vary significantly between species.

某些化学物质的绝对致死剂量 absolute lethal dose在不同物种之间可能差异显著。

5.Regulatory agencies require data on the absolute lethal dose 绝对致死剂量 before approving new drugs.

监管机构要求在批准新药之前提供关于绝对致死剂量 absolute lethal dose的数据。

作文

Understanding the concept of an absolute lethal dose is crucial in various fields, particularly in toxicology and pharmacology. The term refers to the minimum amount of a substance that can cause death in an organism. This measurement is essential for establishing safety guidelines for drugs, chemicals, and environmental pollutants. For instance, when developing new medications, researchers must determine the absolute lethal dose to ensure that the drug is safe for human consumption. It allows them to gauge how much of the substance can be administered without risking fatal outcomes.Toxicologists often conduct experiments on animal models to ascertain the absolute lethal dose of a particular substance. By observing the effects of various doses, they can identify the threshold at which the substance becomes lethal. This process is not only vital for pharmaceuticals but also for assessing the risks associated with exposure to hazardous materials in industrial settings.In environmental science, understanding the absolute lethal dose helps in evaluating the impact of pollutants on ecosystems. For example, if a factory discharges a chemical into a river, scientists can measure its concentration and predict the potential harm it could cause to aquatic life. Knowing the absolute lethal dose for different species allows for better regulatory measures to protect wildlife and maintain biodiversity.Moreover, the concept of absolute lethal dose extends beyond physical substances. It can also apply to psychological stressors or environmental factors that may lead to fatal outcomes in extreme cases. For instance, prolonged exposure to severe stress can have detrimental effects on health, potentially leading to death. Understanding the limits of what individuals can endure before reaching an absolute lethal dose of stress is vital for mental health professionals.It is important to note that the absolute lethal dose can vary significantly between different organisms. Factors such as age, weight, genetic predisposition, and overall health can influence how a substance affects an individual. This variability necessitates careful consideration when determining safety standards and conducting risk assessments.In conclusion, the absolute lethal dose is a fundamental concept that plays a critical role in ensuring safety across multiple disciplines. Whether in drug development, environmental protection, or mental health, understanding this term helps professionals make informed decisions that can save lives. As we continue to explore new substances and their effects on living organisms, the importance of determining the absolute lethal dose will remain a priority in scientific research and public health initiatives.

理解“绝对致死剂量”这一概念在多个领域中至关重要,特别是在毒理学和药理学中。这个术语指的是能够导致生物体死亡的最小物质量。这一测量对于建立药物、化学品和环境污染物的安全指南至关重要。例如,在开发新药时,研究人员必须确定“绝对致死剂量”,以确保该药物对人类消费是安全的。这使他们能够评估可以施用多少物质而不冒致命后果的风险。毒理学家通常会在动物模型上进行实验,以确定特定物质的“绝对致死剂量”。通过观察不同剂量的效果,他们可以识别出物质变为致死性的阈值。这一过程不仅对制药行业至关重要,而且对评估工业环境中接触有害材料的风险也是如此。在环境科学中,了解“绝对致死剂量”有助于评估污染物对生态系统的影响。例如,如果一家工厂向河流排放化学物质,科学家可以测量其浓度并预测它可能对水生生物造成的潜在危害。了解不同物种的“绝对致死剂量”可以更好地制定保护野生动物和维护生物多样性的监管措施。此外,“绝对致死剂量”的概念不仅适用于物理物质,也可以应用于可能导致极端情况下死亡的心理压力或环境因素。例如,长期暴露于严重压力下可能对健康产生不利影响,甚至导致死亡。了解个体在达到“绝对致死剂量”的压力之前能够承受的极限,对于心理健康专业人士来说至关重要。需要注意的是,“绝对致死剂量”在不同生物体之间可能存在显著差异。年龄、体重、遗传倾向和整体健康等因素都可能影响物质对个体的影响。这种变异性在确定安全标准和进行风险评估时需要仔细考虑。总之,“绝对致死剂量”是一个基本概念,在确保多个学科的安全方面发挥着关键作用。无论是在药物开发、环境保护还是心理健康领域,理解这一术语都有助于专业人士做出明智的决策,从而挽救生命。随着我们继续探索新物质及其对生物体的影响,确定“绝对致死剂量”的重要性将始终是科学研究和公共卫生倡议的优先事项。

相关单词

absolute

absolute详解:怎么读、什么意思、用法

lethal

lethal详解:怎么读、什么意思、用法

dose

dose详解:怎么读、什么意思、用法