biological half life

简明释义

生物半减期

英英释义

例句

1.The biological half life 生物半衰期 of caffeine is about 3 to 5 hours, which means it takes this time for half of the caffeine to be eliminated from the body.

咖啡因的生物半衰期 生物半衰期 大约为3到5小时，这意味着体内一半的咖啡因需要这个时间才能被排除。

2.Understanding the biological half life 生物半衰期 of a medication can help doctors determine the appropriate dosing schedule.

了解药物的生物半衰期 生物半衰期 可以帮助医生确定合适的给药时间表。

3.The biological half life 生物半衰期 of certain vitamins can vary significantly based on individual metabolism.

某些维生素的生物半衰期 生物半衰期 可能会因个体代谢而有显著差异。

4.In toxicology, knowing the biological half life 生物半衰期 of a substance is crucial for assessing its potential harm.

在毒理学中，了解某种物质的生物半衰期 生物半衰期 对评估其潜在危害至关重要。

5.The biological half life 生物半衰期 of alcohol can be influenced by factors such as age, weight, and health status.

酒精的生物半衰期 生物半衰期 可以受到年龄、体重和健康状况等因素的影响。

作文

The concept of biological half life refers to the time it takes for a substance, such as a drug or a radioactive isotope, to reduce to half its initial amount in a biological system. Understanding biological half life is crucial in fields such as pharmacology, toxicology, and environmental science. For instance, when a medication is administered, its effectiveness is often related to how long it remains active in the body, which is directly influenced by its biological half life. In pharmacology, clinicians must consider the biological half life of a drug to determine dosing schedules. A drug with a short biological half life may need to be taken multiple times a day to maintain effective levels in the bloodstream. Conversely, medications with a long biological half life can often be taken once daily or even less frequently. This understanding helps in designing treatment regimens that maximize therapeutic effects while minimizing side effects.Moreover, the biological half life is not just relevant for pharmaceuticals; it also plays a significant role in understanding how toxins and other harmful substances behave in the body. For example, if a person is exposed to a toxic chemical, knowing its biological half life can help medical professionals assess the risk and determine the necessary treatment. The quicker a toxin is eliminated from the body, the less damage it is likely to cause.In environmental science, the biological half life of pollutants can provide insights into their persistence in ecosystems. Substances with long biological half lives can accumulate in the environment and pose risks to wildlife and human health. Understanding these dynamics can inform regulatory policies and cleanup efforts.The calculation of biological half life can vary depending on several factors, including the individual's metabolism, age, health status, and even genetic predispositions. For instance, children and elderly patients may metabolize drugs differently, resulting in variations in their biological half life. This variability underscores the importance of personalized medicine, where treatments are tailored to the individual rather than a one-size-fits-all approach.In conclusion, the concept of biological half life is integral to various scientific disciplines. It influences how we understand drug administration, the impact of toxins, and the behavior of pollutants in our environment. As research continues to evolve, a deeper understanding of biological half life will undoubtedly enhance our ability to manage health and environmental challenges effectively.

生物半衰期的概念是指在生物系统中，某种物质（如药物或放射性同位素）减少到其初始量一半所需的时间。理解生物半衰期在药理学、毒理学和环境科学等领域至关重要。例如，当药物被给药时，其有效性通常与其在体内保持活跃的时间有关，而这直接受到其生物半衰期的影响。在药理学中，临床医生必须考虑药物的生物半衰期，以确定给药时间表。生物半衰期较短的药物可能需要每天多次服用，以维持血液中的有效水平。相反，生物半衰期较长的药物则可以每天服用一次或更少。这种理解有助于设计治疗方案，以最大限度地提高治疗效果，同时最小化副作用。此外，生物半衰期不仅与药物相关；它在理解毒素和其他有害物质在体内的行为方面也起着重要作用。例如，如果一个人接触到一种有毒化学物质，了解其生物半衰期可以帮助医疗专业人员评估风险并确定必要的治疗措施。毒素从体内排出的速度越快，造成的损害就越小。在环境科学中，污染物的生物半衰期可以提供对其在生态系统中持久性的见解。生物半衰期较长的物质可能会在环境中积累，并对野生动物和人类健康构成风险。理解这些动态可以为监管政策和清理工作提供信息。生物半衰期的计算可能会因多个因素而异，包括个体的新陈代谢、年龄、健康状况，甚至遗传倾向。例如，儿童和老年患者可能以不同的方式代谢药物，导致他们的生物半衰期存在差异。这种变异性突显了个性化医学的重要性，即根据个体量身定制治疗，而不是采用一刀切的方法。总之，生物半衰期的概念对各种科学学科至关重要。它影响我们对药物管理、毒素影响以及污染物在环境中行为的理解。随着研究的不断发展，对生物半衰期的深入理解无疑将增强我们有效管理健康和环境挑战的能力。