detection limit

简明释义

探测极限

英英释义

例句

1.The laboratory reported that the detection limit 检测限 for lead in water samples is 0.01 mg/L.

实验室报告显示，水样中铅的detection limit 检测限为0.01毫克/升。

2.To ensure accurate results, it is crucial to know the detection limit 检测限 of the equipment used.

为了确保结果准确，了解所用设备的detection limit 检测限至关重要。

3.The detection limit 检测限 for the new assay method is significantly lower than previous methods.

新检测方法的detection limit 检测限显著低于以前的方法。

4.In this study, we established a detection limit 检测限 of 5 ng/mL for the pesticide residues.

在这项研究中，我们设定了农药残留的detection limit 检测限为5纳克/毫升。

5.The detection limit 检测限 for mercury in soil was found to be 0.005 mg/kg.

土壤中汞的detection limit 检测限被发现为0.005毫克/千克。

作文

In the field of scientific research and analytical chemistry, the term detection limit refers to the smallest concentration of a substance that can be reliably detected but not necessarily quantified. This concept is crucial in various applications, such as environmental monitoring, pharmaceuticals, and food safety testing. Understanding the detection limit is essential for researchers and practitioners to ensure that their methods are sensitive enough to identify trace amounts of compounds that may pose risks to health or the environment.For instance, when testing water quality, scientists must determine the detection limit for contaminants like heavy metals or pesticides. If the detection limit is too high, it may overlook dangerous levels of these substances, leading to potential health hazards for the population. Therefore, establishing a low detection limit is vital for ensuring public safety and environmental protection.Moreover, the detection limit can vary depending on the analytical technique used. Techniques such as gas chromatography or mass spectrometry may have different detection limits based on their sensitivity and specificity. Researchers must carefully select the appropriate method to achieve the desired detection limit for their specific application.In clinical laboratories, the detection limit also plays a significant role in diagnosing diseases. For example, in the case of infectious diseases, the ability to detect a pathogen at very low concentrations can be critical for early diagnosis and treatment. A higher detection limit might result in missed infections, leading to delayed patient care and increased transmission of diseases.Furthermore, regulatory agencies often set standards regarding the detection limit for various substances in consumer products. These regulations ensure that products are safe for consumption and do not exceed permissible levels of harmful substances. Compliance with these standards requires manufacturers to implement rigorous testing procedures to achieve the necessary detection limit.In summary, the concept of detection limit is fundamental in various scientific fields. It dictates the sensitivity of analytical methods and has direct implications for health, safety, and environmental protection. Understanding and accurately determining the detection limit is essential for researchers, clinicians, and regulatory bodies alike. As technology advances, it is expected that detection limits will continue to improve, allowing for even more precise and reliable detection of substances in various matrices, ultimately contributing to better safety and health outcomes for society.

在科学研究和分析化学领域，术语detection limit指的是可以可靠检测到但不一定能够定量的小浓度物质。这一概念在环境监测、制药和食品安全检测等各种应用中至关重要。理解detection limit对研究人员和从业者来说非常重要，以确保他们的方法足够敏感，可以识别可能对健康或环境构成风险的微量化合物。例如，在测试水质时，科学家必须确定污染物（如重金属或农药）的detection limit。如果detection limit过高，可能会忽视这些物质的危险水平，从而导致对人群的潜在健康危害。因此，建立低detection limit对于确保公共安全和环境保护至关重要。此外，detection limit可能因所使用的分析技术而异。气相色谱或质谱等技术可能基于其灵敏度和特异性具有不同的detection limits。研究人员必须仔细选择合适的方法，以实现其特定应用所需的detection limit。在临床实验室中，detection limit在诊断疾病方面也发挥着重要作用。例如，在传染病的情况下，以极低浓度检测病原体的能力对于早期诊断和治疗至关重要。较高的detection limit可能导致漏诊感染，从而延迟患者护理并增加疾病传播。此外，监管机构通常会对各种消费品中物质的detection limit设定标准。这些规定确保产品在消费时安全，并且不超过有害物质的允许水平。遵守这些标准要求制造商实施严格的检测程序，以达到必要的detection limit。总之，detection limit的概念在各个科学领域都是基础。它决定了分析方法的灵敏度，并直接影响健康、安全和环境保护。理解和准确确定detection limit对于研究人员、临床医生和监管机构都是必不可少的。随着技术的进步，预计detection limits将继续改善，从而使在各种基质中更精确和可靠地检测物质成为可能，最终为社会的安全和健康结果做出贡献。