minimum detectable level

简明释义

最低探测限度

英英释义

例句

1.The minimum detectable level of a certain pesticide in food products is set by regulatory agencies.

某种农药在食品中的最小可检测水平由监管机构设定。

2.The laboratory test can identify contaminants down to the minimum detectable level of 0.01 ppm.

实验室测试可以识别污染物，直到最小可检测水平为0.01 ppm。

3.In environmental monitoring, the minimum detectable level for heavy metals is critical for ensuring safety.

在环境监测中，重金属的最小可检测水平对于确保安全至关重要。

4.Researchers must ensure that their equipment can measure below the minimum detectable level to obtain accurate data.

研究人员必须确保他们的设备能够测量低于最小可检测水平以获得准确的数据。

5.Our new sensor has improved sensitivity, allowing it to detect gases at a minimum detectable level of 0.005 ppm.

我们的新传感器具有更高的灵敏度，使其能够在最小可检测水平为0.005 ppm时检测气体。

作文

In the field of science and engineering, understanding the concept of minimum detectable level is crucial for accurate measurements and effective data interpretation. The term refers to the smallest amount of a substance or signal that can be reliably detected by a particular measurement system. This concept has wide applications, ranging from environmental monitoring to medical diagnostics, and plays a vital role in ensuring that we can identify and quantify substances accurately.For instance, in environmental science, researchers often need to measure pollutants in air, water, or soil. The minimum detectable level of a pollutant determines whether a measurement can be considered valid or significant. If the concentration of a pollutant is below this level, it may not be detected at all, leading to an underestimation of its presence in the environment. Therefore, establishing a low minimum detectable level is essential for effective environmental monitoring and regulatory compliance.Similarly, in the medical field, diagnostic tests often have a specific minimum detectable level that must be achieved for the test results to be meaningful. For example, in blood tests for certain diseases, if the concentration of a biomarker falls below the minimum detectable level, the test may return a negative result even if the disease is present. This can lead to misdiagnosis and inappropriate treatment, highlighting the importance of understanding and improving the minimum detectable level in medical testing.Moreover, advancements in technology have allowed scientists and engineers to develop more sensitive detection methods, thereby lowering the minimum detectable level. Techniques such as mass spectrometry and high-performance liquid chromatography enable the detection of substances at extremely low concentrations, enhancing our ability to monitor and study various phenomena. As these technologies improve, the implications for research and industry are profound, allowing for better safety standards, more effective treatments, and improved environmental protection.However, it is also important to consider the trade-offs involved in lowering the minimum detectable level. While more sensitive measurements can provide valuable information, they may also increase the risk of false positives—detecting a substance when it is not actually present. Therefore, researchers and practitioners must balance sensitivity with specificity to ensure reliable results. Understanding the minimum detectable level is not just about pushing the limits of detection; it is also about ensuring that the data we collect is accurate and actionable.In conclusion, the concept of minimum detectable level is fundamental across various scientific disciplines. Whether in environmental monitoring, medical diagnostics, or industrial applications, recognizing and improving this threshold is key to obtaining reliable data. As technology continues to evolve, so too will our ability to detect substances with greater precision, ultimately leading to better outcomes in public health, environmental conservation, and scientific research. By prioritizing the understanding of the minimum detectable level, we can enhance our analytical capabilities and make informed decisions based on accurate and reliable information.

在科学和工程领域，理解最小可检测水平的概念对于准确测量和有效数据解释至关重要。这个术语指的是特定测量系统可以可靠检测到的物质或信号的最小量。这个概念有广泛的应用，从环境监测到医疗诊断，并在确保我们能够准确识别和量化物质方面发挥着重要作用。例如，在环境科学中，研究人员经常需要测量空气、水或土壤中的污染物。污染物的最小可检测水平决定了测量是否可以被视为有效或显著。如果污染物的浓度低于这个水平，它可能根本无法被检测到，从而导致对其在环境中存在的低估。因此，建立较低的最小可检测水平对于有效的环境监测和法规遵从至关重要。同样，在医学领域，诊断测试通常有一个特定的最小可检测水平，必须达到才能使测试结果有意义。例如，在某些疾病的血液检测中，如果生物标志物的浓度低于最小可检测水平，测试可能会返回阴性结果，即使疾病存在。这可能导致误诊和不当治疗，突显了理解和改善医学检测中最小可检测水平的重要性。此外，技术的进步使科学家和工程师能够开发出更灵敏的检测方法，从而降低最小可检测水平。质谱法和高效液相色谱法等技术能够在极低浓度下检测物质，增强我们监测和研究各种现象的能力。随着这些技术的改进，对研究和工业的影响深远，能够提高安全标准、提供更有效的治疗以及改善环境保护。然而，也必须考虑降低最小可检测水平所涉及的权衡。虽然更灵敏的测量可以提供有价值的信息，但它们也可能增加假阳性的风险——即在实际上没有物质存在时检测到该物质。因此，研究人员和从业者必须在灵敏度和特异性之间取得平衡，以确保结果的可靠性。理解最小可检测水平不仅仅是推动检测的极限；还关乎确保我们收集的数据是准确且可操作的。总之，最小可检测水平的概念在各个科学学科中都是基础性的。无论是在环境监测、医学诊断还是工业应用中，认识和改善这一阈值是获得可靠数据的关键。随着技术的不断发展，我们检测物质的精确度也将提高，最终导致公共健康、环境保护和科学研究的更好结果。通过优先理解最小可检测水平，我们可以增强我们的分析能力，并基于准确和可靠的信息做出明智的决策。