residual activity

简明释义

残余放射性

英英释义

例句

1.The residual activity of the drug can affect the patient's recovery time.

药物的残余活性会影响患者的恢复时间。

2.Researchers are studying the residual activity of the vaccine after its expiration date.

研究人员正在研究疫苗过期后是否存在残余活性。

3.The experiment revealed residual activity of the enzyme even after it was deactivated.

实验显示，即使酶被失活，仍然存在残余活性。

4.After the treatment, the patient showed some residual activity in the affected area.

治疗后，患者在受影响的区域表现出一些残余活性。

5.In the cleanup process, we found residual activity of contaminants in the soil.

在清理过程中，我们发现土壤中有污染物的残余活性。

作文

In the realm of scientific research, particularly in fields such as pharmacology and environmental science, the term residual activity plays a pivotal role in understanding the effects and longevity of various substances. The concept of residual activity refers to the remaining effectiveness or activity of a substance after a certain period of time or after it has undergone some form of degradation or transformation. This can be particularly important when studying the efficacy of drugs, pesticides, or even pollutants in the environment.For instance, in pharmacology, when a drug is administered to a patient, its primary goal is to achieve a therapeutic effect. However, once the drug is metabolized and eliminated from the body, there may still be some residual activity that continues to exert effects on the body. This is crucial because it can influence the overall treatment outcome and potential side effects. Understanding the residual activity of a medication can help healthcare professionals make informed decisions regarding dosing schedules and the timing of subsequent medications.Similarly, in environmental science, the residual activity of pesticides is a significant concern. After application, pesticides may degrade over time, but their residual activity can impact non-target organisms and ecosystems long after the initial application. Researchers often study how long these substances remain active in the environment and what factors contribute to their persistence. This knowledge is essential for developing safer pest management practices and minimizing ecological harm.Moreover, the concept of residual activity extends beyond just pharmaceuticals and environmental chemicals. In materials science, for example, the residual activity of certain catalysts can determine their efficiency and reusability in chemical reactions. A catalyst with high residual activity can be used multiple times without significant loss of performance, making it more cost-effective and sustainable.Understanding residual activity is also vital in the context of public health. For instance, when vaccines are developed, researchers need to assess the residual activity of the immune response generated by the vaccine over time. This knowledge can inform booster shot schedules and help maintain community immunity against infectious diseases.In conclusion, the term residual activity encompasses a wide range of applications across various scientific disciplines. Whether in medicine, environmental science, materials science, or public health, recognizing and studying residual activity allows scientists and practitioners to make better-informed decisions that ultimately benefit society. As we continue to advance our understanding of different substances and their interactions within biological and ecological systems, the significance of residual activity will undoubtedly remain a critical area of focus for future research and innovation.

在科学研究的领域，尤其是在药理学和环境科学等领域，术语残留活性在理解各种物质的影响和持久性方面发挥着关键作用。残留活性的概念指的是某种物质在经过一段时间或经历某种降解或转化后，所剩余的有效性或活性。当研究药物、农药甚至环境污染物时，这一点尤为重要。例如，在药理学中，当药物被施用于患者时，其主要目标是实现治疗效果。然而，一旦药物被代谢并从体内排出，可能仍然存在一些残留活性，继续对身体产生影响。这一点至关重要，因为它会影响整体治疗结果和潜在的副作用。了解药物的残留活性可以帮助医疗专业人员做出关于给药方案和后续药物时间安排的明智决定。同样，在环境科学中，农药的残留活性也是一个重要问题。农药施用后，随着时间的推移可能会降解，但其残留活性可能会在初次施用后很长时间内影响非目标生物和生态系统。研究人员通常研究这些物质在环境中保持活性的时间，以及哪些因素促成它们的持久性。这些知识对于开发更安全的害虫管理实践和最小化生态危害至关重要。此外，残留活性的概念不仅限于药物和环境化学品。在材料科学中，某些催化剂的残留活性可以决定其在化学反应中的效率和可重复使用性。具有高残留活性的催化剂可以多次使用，而不会显著降低性能，从而使其更加经济高效和可持续。了解残留活性在公共卫生背景下也至关重要。例如，当疫苗被开发时，研究人员需要评估疫苗产生的免疫反应的残留活性随时间的变化。这些知识可以为加强针的接种时间表提供信息，并帮助维持社区对传染病的免疫力。总之，术语残留活性涵盖了各种科学学科中的广泛应用。无论是在医学、环境科学、材料科学还是公共卫生中，认识和研究残留活性使科学家和从业者能够做出更明智的决策，最终造福社会。随着我们不断推进对不同物质及其在生物和生态系统中相互作用的理解，残留活性的重要性无疑将继续成为未来研究和创新的关键关注领域。