absolute calibration

简明释义

绝对校准

英英释义

例句

1.The team used absolute calibration to compare their sensor data with a known standard.

团队使用绝对校准将他们的传感器数据与已知标准进行比较。

2.The new equipment requires absolute calibration before it can be used in the field.

新设备在投入使用之前需要进行绝对校准。

3.Without absolute calibration, the results of the experiment could be misleading.

如果没有绝对校准，实验结果可能会产生误导。

4.In photometry, absolute calibration is crucial for determining light intensity accurately.

在光度测量中，绝对校准对于准确确定光强至关重要。

5.The laboratory conducted an absolute calibration to ensure the accuracy of their measuring instruments.

实验室进行了绝对校准以确保测量仪器的准确性。

作文

In the realm of scientific research and measurement, precision is paramount. One of the critical processes that ensures the accuracy of measurements is known as absolute calibration. This term refers to the method of calibrating instruments against a standard that is universally accepted and recognized. In simpler terms, absolute calibration (绝对校准) involves adjusting an instrument so that its readings correspond to a known value, which is often derived from fundamental physical constants or established reference materials.The importance of absolute calibration cannot be overstated. In fields such as chemistry, physics, and engineering, accurate measurements are essential for obtaining valid results. For instance, in chemical analysis, if an instrument used to measure concentrations is not properly calibrated, it could lead to incorrect conclusions about the composition of a substance. This could have serious implications, especially in industries such as pharmaceuticals or environmental monitoring, where precise measurements can impact public health and safety.To achieve absolute calibration, scientists typically use primary standards that have been thoroughly tested and verified. These standards are highly reliable and serve as the benchmark against which other instruments are calibrated. The process usually involves comparing the readings of the instrument in question with those of the primary standard under controlled conditions. Any discrepancies found during this comparison are corrected, ensuring that the instrument provides accurate measurements in future use.Moreover, absolute calibration is not a one-time process. Instruments can drift over time due to various factors such as wear and tear, environmental changes, and even user handling. Therefore, regular recalibration is necessary to maintain the integrity of measurements. Many laboratories adhere to strict protocols that dictate how often instruments should undergo absolute calibration to ensure consistent accuracy and reliability.In addition to its scientific applications, absolute calibration also plays a crucial role in various industries. For example, in manufacturing, ensuring that measuring devices are accurately calibrated is vital for quality control. Products must meet specific tolerances, and any deviation can result in defects or failures. By employing absolute calibration, manufacturers can minimize errors and improve overall product quality.Furthermore, the concept of absolute calibration extends beyond physical measurements. In the field of data science, for instance, algorithms and models require calibration to ensure they produce reliable outputs. This involves adjusting model parameters based on known outcomes, akin to the process of calibrating a scientific instrument. Here, absolute calibration serves as a metaphor for refining our understanding and predictions based on solid evidence.In conclusion, absolute calibration (绝对校准) is an essential practice across various disciplines that ensures the accuracy and reliability of measurements. By aligning instruments with universally accepted standards, researchers and professionals can trust the data they collect and make informed decisions based on that information. Whether in a laboratory, manufacturing plant, or data-driven environment, the principles of absolute calibration are fundamental to achieving excellence and maintaining quality in all aspects of work.