sampling tube

简明释义

取样筒

英英释义

例句

1.After collecting the water sample, he sealed the sampling tube tightly.

在收集水样后，他将采样管紧紧封闭。

2.The sampling tube must be sterile to prevent contamination.

为了防止污染，采样管必须是无菌的。

3.Make sure to label each sampling tube properly to avoid confusion later.

确保正确标记每个采样管以避免后来的混淆。

4.The technician carefully placed the blood sample in a sampling tube for analysis.

技术人员小心地将血样放入采样管中进行分析。

5.Different types of sampling tubes are used for various laboratory tests.

不同类型的采样管用于各种实验室测试。

作文

In the field of science and engineering, the importance of accurate measurements cannot be overstated. One of the essential tools used for collecting samples is the sampling tube. A sampling tube is a cylindrical container designed to collect and preserve samples from various environments, such as air, water, or soil. These tubes are crucial in research and quality control processes, ensuring that the samples collected are representative of the larger environment from which they are taken. The design of a sampling tube can vary depending on its intended use. For example, a sampling tube used for air quality testing might have a different structure compared to one used for water sampling. Typically, these tubes are made from materials that prevent contamination and degradation of the sample. Common materials include glass and certain plastics, which are chosen for their inert properties. When using a sampling tube, it is vital to follow specific protocols to avoid any potential errors. The process usually begins with selecting the appropriate sampling tube based on the type of sample being collected. For instance, if researchers are collecting a water sample from a river, they must ensure that the sampling tube is large enough to hold the required volume while also being sealed properly to prevent any outside contaminants from entering. After the sample is collected, the sampling tube must be labeled accurately with information such as the date, time, location, and type of sample. This labeling is crucial for traceability and for ensuring that the data gathered can be analyzed correctly. Once the sampling tube is sealed and labeled, it should be transported to a laboratory for further analysis. In the laboratory, the samples contained within the sampling tube are examined using various analytical techniques. For example, water samples may undergo chemical analysis to determine the presence of pollutants, while air samples might be tested for particulate matter or gases such as carbon dioxide or nitrogen oxides. The integrity of the sample is paramount, and this is why the choice and handling of the sampling tube are so critical. Moreover, advancements in technology have led to the development of specialized sampling tubes that can improve the efficiency of sample collection and analysis. For instance, some modern sampling tubes are equipped with built-in filters or preservatives that help maintain the quality of the sample during transportation. This innovation allows scientists to conduct more accurate assessments without the risk of contamination or degradation. In conclusion, the sampling tube plays a significant role in scientific research and environmental monitoring. Its design, proper usage, and handling are vital to ensuring that the samples collected are reliable and representative of the conditions being studied. As technology continues to evolve, it is likely that sampling tubes will become even more sophisticated, further enhancing our ability to collect and analyze samples accurately. Understanding the function and importance of the sampling tube is essential for anyone involved in scientific research or environmental studies.

在科学和工程领域，准确测量的重要性不容小觑。用于收集样本的基本工具之一是取样管。取样管是一种圆柱形容器，旨在收集和保存来自各种环境（如空气、水或土壤）的样本。这些管子在研究和质量控制过程中至关重要，确保所收集的样本能够代表其所取自的更大环境。

取样管的设计可以根据其预期用途而有所不同。例如，用于空气质量测试的取样管可能与用于水样采集的管子结构不同。通常，这些管子由防止污染和样本降解的材料制成。常见的材料包括玻璃和某些塑料，它们因其惰性特性而被选中。

使用取样管时，遵循特定协议以避免潜在错误至关重要。此过程通常始于根据所收集样本的类型选择合适的取样管。例如，如果研究人员正在从河流中收集水样，他们必须确保取样管足够大以容纳所需的体积，同时也要妥善密封，以防止外部污染物进入。

样本收集后，取样管必须准确标记信息，如日期、时间、地点和样本类型。此标记对于可追溯性至关重要，并确保收集的数据能够正确分析。一旦取样管密封并标记完毕，它应被运输到实验室进行进一步分析。

在实验室中，取样管中包含的样本通过各种分析技术进行检查。例如，水样可能会进行化学分析以确定污染物的存在，而空气样本可能会检测颗粒物或二氧化碳、氮氧化物等气体。样本的完整性至关重要，因此取样管的选择和处理至关重要。

此外，技术的进步导致了专用的取样管的发展，这些管子可以提高样本收集和分析的效率。例如，一些现代取样管配备内置过滤器或防腐剂，有助于在运输过程中保持样本的质量。这一创新使科学家能够进行更准确的评估，而无需担心污染或降解的风险。

总之，取样管在科学研究和环境监测中扮演着重要角色。它的设计、正确使用和处理对于确保所收集的样本可靠且能够代表所研究的条件至关重要。随着技术的不断进步，取样管可能会变得更加复杂，从而进一步增强我们准确收集和分析样本的能力。理解取样管的功能和重要性对任何参与科学研究或环境研究的人来说都是至关重要的。