detection limit

简明释义

探测极限

英英释义

例句

1.To ensure accurate results, we need to verify the detection limit of our instruments.

为了确保结果准确，我们需要验证仪器的检测限。

2.The detection limit of the test is crucial for identifying trace contaminants in water samples.

测试的检测限对于识别水样中的微量污染物至关重要。

3.Understanding the detection limit helps researchers design better experiments.

理解检测限有助于研究人员设计更好的实验。

4.In our research, we established a detection limit of 0.01 mg/L for heavy metals.

在我们的研究中，我们设定了重金属的检测限为0.01毫克/升。

5.The laboratory reported that the detection limit for this method is lower than previous techniques.

实验室报告称该方法的检测限低于以前的技术。

作文

In the field of scientific research and analysis, the term detection limit refers to the lowest concentration of a substance that can be reliably detected by a particular analytical method. This concept is crucial in various disciplines, including chemistry, biology, and environmental science, where accurate measurements are essential for drawing valid conclusions. Understanding the detection limit is vital for researchers as it determines the sensitivity of their methods and influences the overall quality of their results.For instance, in environmental monitoring, scientists often need to measure pollutants in water or air samples. The detection limit of the techniques they use will dictate whether they can identify low levels of contaminants that might pose health risks to humans and wildlife. If the detection limit is too high, it may lead to false assurances about safety, as harmful substances could go undetected.Moreover, in clinical laboratories, the detection limit can impact the diagnosis of diseases. For example, when testing for certain biomarkers in blood samples, a lower detection limit allows for the early detection of conditions such as cancer or infectious diseases. Therefore, advancements in technology that lower the detection limit can significantly enhance patient outcomes by enabling timely interventions.It is important to note that the detection limit is not a fixed value; it can vary depending on several factors, including the specific method used, the equipment's calibration, and the sample matrix. Researchers must regularly validate their methods to ensure that the detection limit remains appropriate for their intended applications. This validation process often involves statistical analyses to determine the precision and accuracy of the measurements at different concentrations.In summary, the concept of detection limit is fundamental in ensuring the reliability of analytical results across various scientific fields. A thorough understanding of this term allows researchers to select appropriate methods, interpret data accurately, and make informed decisions based on their findings. The implications of a high or low detection limit extend beyond the laboratory, influencing public health policies, environmental regulations, and clinical practices. As such, ongoing research and development aimed at improving detection limits are essential for advancing scientific knowledge and safeguarding human health and the environment.

在科学研究和分析领域，术语detection limit指的是特定分析方法能够可靠检测到的最低物质浓度。这个概念在化学、生物学和环境科学等多个学科中至关重要，因为准确的测量对于得出有效结论是必不可少的。理解detection limit对研究人员来说至关重要，因为它决定了他们方法的灵敏度，并影响整体结果的质量。例如，在环境监测中，科学家们常常需要测量水或空气样本中的污染物。他们使用的技术的detection limit将决定他们是否能够识别可能对人类和野生动物构成健康风险的低水平污染物。如果detection limit过高，可能会导致对安全性的虚假保证，因为有害物质可能会被忽视。此外，在临床实验室中，detection limit可能会影响疾病的诊断。例如，在血液样本中测试某些生物标志物时，较低的detection limit能够早期发现癌症或传染病等情况。因此，降低detection limit的技术进步可以显著改善患者的预后，通过及时干预来实现。值得注意的是，detection limit并不是一个固定值；它可能会因多种因素而异，包括所使用的特定方法、设备的校准和样本基质。研究人员必须定期验证他们的方法，以确保detection limit仍然适合其预期应用。这个验证过程通常涉及统计分析，以确定在不同浓度下测量的精确性和准确性。总之，detection limit的概念在确保各种科学领域分析结果的可靠性方面是基础性的。对这一术语的透彻理解使研究人员能够选择合适的方法，准确解释数据，并根据其发现做出明智的决策。高或低detection limit的影响超越了实验室，影响公共卫生政策、环境法规和临床实践。因此，旨在改善检测限的持续研究和开发对于推动科学知识进步和保护人类健康及环境至关重要。