diffusion capacity
简明释义
扩散电容
英英释义
Diffusion capacity refers to the ability of a substance, typically a gas, to move from one area to another through a permeable membrane or barrier. | 扩散能力是指一种物质,通常是气体,穿过可渗透膜或障碍物从一个区域移动到另一个区域的能力。 |
例句
1.The doctor measured the patient's diffusion capacity to assess lung function.
医生测量了患者的扩散能力以评估肺功能。
2.A low diffusion capacity can indicate issues like emphysema or pulmonary fibrosis.
低扩散能力可能表明存在如肺气肿或肺纤维化等问题。
3.During the pulmonary test, the technician explained how diffusion capacity is calculated.
在肺功能测试中,技术员解释了如何计算扩散能力。
4.The research focused on improving the diffusion capacity of artificial lungs.
该研究集中在提高人工肺的扩散能力。
5.Patients with asthma may show variations in their diffusion capacity readings.
哮喘患者的扩散能力读数可能会有所变化。
作文
The concept of diffusion capacity is crucial in various scientific fields, particularly in medicine and environmental science. In simple terms, diffusion capacity refers to the ability of a substance, such as gas or liquid, to diffuse or spread out within another medium. This concept is especially significant when discussing how gases like oxygen and carbon dioxide move between the alveoli in the lungs and the bloodstream. The efficiency of this process can determine a person's overall respiratory health. In the context of pulmonary function tests, diffusion capacity is measured to evaluate how well the lungs are performing. A common test used is the Diffusing Capacity of the Lung for Carbon Monoxide (DLCO) test, which assesses how effectively oxygen enters the blood from the lungs. A lower than normal diffusion capacity can indicate various health issues, including chronic obstructive pulmonary disease (COPD), interstitial lung disease, or pulmonary hypertension. Understanding diffusion capacity allows healthcare professionals to diagnose and treat these conditions more effectively.Moreover, diffusion capacity is not limited to human physiology; it is also an essential factor in environmental studies. For instance, the diffusion capacity of pollutants in the air can significantly impact air quality and public health. When pollutants are released into the atmosphere, their diffusion capacity determines how quickly they spread and how far they travel. This information is vital for developing strategies to mitigate environmental damage and protect communities from harmful exposure.In educational settings, teaching students about diffusion capacity can foster a deeper understanding of both biology and chemistry. By conducting experiments that demonstrate diffusion principles, students can visualize how substances move across membranes or through different mediums. Such hands-on learning experiences can make abstract concepts more tangible and relatable.Additionally, industries such as pharmaceuticals rely on the principles of diffusion capacity when developing drug delivery systems. The rate at which a drug diffuses through biological membranes can affect its efficacy and safety. Therefore, understanding diffusion capacity is essential for researchers and developers in creating effective medications that can be absorbed efficiently by the body.In conclusion, diffusion capacity is a multifaceted concept that plays a vital role in various domains, from healthcare to environmental science and education. Its implications are far-reaching, influencing how we understand respiratory health, manage environmental pollutants, and develop new medical therapies. As we continue to explore the complexities of diffusion capacity, it becomes increasingly clear that this concept is not just a technical term but a key to unlocking greater knowledge in numerous fields. By appreciating the importance of diffusion capacity, we can better navigate the challenges posed by health and environmental issues, ultimately contributing to a healthier society and planet.
“扩散能力”这一概念在多个科学领域中至关重要,尤其是在医学和环境科学中。简单来说,扩散能力是指一种物质(如气体或液体)在另一种介质中扩散或传播的能力。这个概念在讨论氧气和二氧化碳如何在肺泡与血液之间移动时尤为重要。这一过程的效率可以决定一个人的整体呼吸健康。在肺功能测试的背景下,测量扩散能力用于评估肺部的工作表现。常用的测试是肺部一氧化碳扩散能力(DLCO)测试,它评估氧气从肺部进入血液的效率。低于正常水平的扩散能力可能表明多种健康问题,包括慢性阻塞性肺病(COPD)、间质性肺病或肺动脉高压。理解扩散能力使医疗专业人员能够更有效地诊断和治疗这些疾病。此外,扩散能力不仅限于人类生理学;它还是环境研究中的一个重要因素。例如,污染物在空气中的扩散能力会显著影响空气质量和公众健康。当污染物释放到大气中时,它们的扩散能力决定了它们传播的速度和距离。这些信息对于制定减轻环境损害和保护社区免受有害暴露的策略至关重要。在教育环境中,教授学生扩散能力可以加深他们对生物学和化学的理解。通过进行展示扩散原理的实验,学生可以直观地看到物质如何穿过膜或通过不同的介质移动。这种动手学习体验可以使抽象概念变得更加具体和相关。此外,制药等行业在开发药物递送系统时也依赖于扩散能力的原理。药物通过生物膜的扩散速率会影响其效力和安全性。因此,理解扩散能力对于研究人员和开发者创造能够被身体有效吸收的有效药物至关重要。总之,扩散能力是一个多方面的概念,在医疗、环境科学和教育等多个领域发挥着重要作用。它的影响深远,影响着我们如何理解呼吸健康、管理环境污染物以及开发新药物疗法。随着我们继续探索扩散能力的复杂性,这一概念越来越清楚地表明,它不仅仅是一个技术术语,而是解锁各个领域更大知识的关键。通过欣赏扩散能力的重要性,我们可以更好地应对健康和环境问题带来的挑战,最终为建设一个更健康的社会和星球做出贡献。
相关单词