secondary standard

简明释义

副标准

英英释义

例句

1.A secondary standard is crucial for maintaining measurement traceability.

保持测量可追溯性需要一个二级标准。

2.For this experiment, we will use a secondary standard for comparison purposes.

在这个实验中，我们将使用二级标准进行比较。

3.In quality control, a secondary standard is often utilized to ensure product consistency.

在质量控制中，通常使用二级标准来确保产品的一致性。

4.The secondary standard helps in verifying the accuracy of primary standards.

该二级标准有助于验证一级标准的准确性。

5.The laboratory uses a secondary standard to calibrate its measuring instruments.

实验室使用二级标准来校准其测量仪器。

作文

In the field of science and engineering, precise measurements are crucial for ensuring quality and safety. One important concept that often arises in discussions about measurement standards is the term secondary standard. A secondary standard refers to a measurement standard that is used for calibration purposes but is not as accurate or universally recognized as a primary standard. Primary standards are highly precise and are typically maintained by national metrology institutes. In contrast, secondary standards are often developed for specific applications or industries and may vary in accuracy depending on their intended use.The significance of secondary standards can be seen in various fields, such as chemistry, physics, and engineering. For example, in a laboratory setting, a chemist might use a secondary standard to calibrate their instruments before conducting experiments. These standards allow for consistency in measurements, which is essential for obtaining reliable results. However, it is important to note that while secondary standards provide a level of accuracy, they do not replace the need for primary standards. Instead, they complement them by offering practical solutions for everyday applications.One of the key advantages of using secondary standards is their accessibility. Unlike primary standards, which may require significant resources and expertise to maintain, secondary standards can often be produced and used by a wider range of laboratories and industries. This democratization of measurement standards helps ensure that more organizations can achieve reliable measurements without the need for extensive investment in primary standards.Moreover, secondary standards play an essential role in quality assurance processes. In manufacturing, for instance, companies often rely on secondary standards to ensure that their products meet regulatory requirements and industry specifications. By using these standards, manufacturers can demonstrate that their products are consistent and safe for consumers. This is particularly important in industries such as pharmaceuticals, where even minor variations in measurements can have significant implications for product efficacy and safety.However, the use of secondary standards does come with its challenges. Since they are not as rigorously defined as primary standards, there can be discrepancies in how different organizations implement and interpret secondary standards. This variability can lead to confusion and inconsistencies in measurement practices across different laboratories and industries. To mitigate these issues, it is crucial for organizations to adhere to best practices and guidelines when utilizing secondary standards.In conclusion, the concept of secondary standard is vital in the realm of measurement and calibration. While they may not possess the same level of precision as primary standards, secondary standards provide practical solutions that enhance measurement consistency and reliability across various fields. Their accessibility and role in quality assurance make them indispensable tools for laboratories and industries alike. As we continue to advance in technology and science, understanding and effectively utilizing secondary standards will remain a key aspect of achieving accurate and reliable measurements in our increasingly complex world.

在科学和工程领域，精确的测量对于确保质量和安全至关重要。在关于测量标准的讨论中，一个重要的概念是“secondary standard”这个术语。secondary standard指的是一种用于校准目的的测量标准，但其准确性不如被广泛认可的主要标准。主要标准具有高度的精确性，通常由国家计量机构维护。相比之下，secondary standards通常针对特定应用或行业开发，其准确性可能因用途而异。secondary standards的重要性可以在化学、物理和工程等多个领域看到。例如，在实验室环境中，化学家可能会使用secondary standard来校准他们的仪器，以便在进行实验之前。这些标准确保了测量的一致性，这对于获得可靠的结果至关重要。然而，需要注意的是，虽然secondary standards提供了一定程度的准确性，但它们并不能替代主要标准的需求。相反，它们通过提供日常应用的实用解决方案来补充主要标准。使用secondary standards的一个关键优势是它们的可获取性。与主要标准不同，主要标准可能需要大量资源和专业知识来维护，而secondary standards通常可以由更广泛的实验室和行业生产和使用。这种测量标准的民主化帮助确保更多组织能够实现可靠的测量，而无需在主要标准上进行大量投资。此外，secondary standards在质量保证过程中也发挥着重要作用。例如，在制造业中，公司通常依靠secondary standards来确保其产品符合监管要求和行业规范。通过使用这些标准，制造商可以证明其产品的一致性和安全性。这在制药等行业尤其重要，因为即使是微小的测量变化也可能对产品的有效性和安全性产生重大影响。然而，使用secondary standards也面临挑战。由于它们的定义不如主要标准严格，不同组织在实施和解释secondary standards时可能会存在差异。这种变异性可能导致不同实验室和行业之间的测量实践混淆和不一致。为了减轻这些问题，组织在利用secondary standards时遵循最佳实践和指南至关重要。总之，secondary standard的概念在测量和校准领域至关重要。尽管它们可能没有主要标准那样高的精度，但secondary standards提供的实用解决方案增强了各个领域的测量一致性和可靠性。它们的可获取性和在质量保证中的作用使其成为实验室和行业不可或缺的工具。随着我们在技术和科学方面的不断进步，理解和有效利用secondary standards将继续成为在日益复杂的世界中实现准确和可靠测量的关键方面。