laboratory sample

简明释义

实验样品

英英释义

例句

1.The laboratory sample was tested for bacteria to ensure safety.

该实验室样本被检测细菌以确保安全。

2.We received a laboratory sample from the field for further analysis.

我们收到了来自现场的实验室样本以进行进一步分析。

3.Before starting the experiment, we need to prepare a laboratory sample of the substance.

在开始实验之前，我们需要准备一个实验室样本的物质。

4.The researchers collected a laboratory sample to analyze the chemical composition of the soil.

研究人员收集了一个实验室样本来分析土壤的化学成分。

5.Each laboratory sample must be labeled properly to avoid confusion.

每个实验室样本必须正确标记以避免混淆。

作文

In the field of scientific research, the term laboratory sample is frequently used to refer to a small portion of a larger quantity of material that is collected for analysis and experimentation. A laboratory sample can be derived from various sources, such as biological specimens, chemical compounds, or environmental materials. The process of obtaining a laboratory sample is critical, as it must accurately represent the characteristics of the whole to ensure reliable results. For instance, in medical research, a blood sample taken from a patient serves as a laboratory sample that will be analyzed to diagnose diseases or monitor health conditions.The importance of laboratory samples cannot be overstated, as they form the backbone of experimental validation. When scientists conduct experiments, they rely on laboratory samples to test hypotheses and draw conclusions. The integrity of the laboratory sample directly influences the outcomes of experiments. If a laboratory sample is contaminated or not representative of the larger population, the results can lead to incorrect interpretations and potentially harmful decisions.Moreover, the methods used to collect and store laboratory samples are crucial to maintaining their quality. Different types of samples require specific handling procedures to preserve their properties. For example, biological samples may need to be frozen immediately to prevent degradation, while chemical samples must be stored in airtight containers to avoid contamination. Therefore, researchers must follow strict protocols when dealing with laboratory samples to ensure that the data obtained is valid and reproducible.Another aspect to consider is the ethical implications surrounding laboratory samples, especially those derived from human subjects. In medical research, obtaining a laboratory sample often requires informed consent from the participants. Researchers must ensure that individuals understand the purpose of the study and how their samples will be used. This ethical consideration is vital in building trust between the research community and the public.Furthermore, the analysis of laboratory samples can lead to significant advancements in various fields. For instance, environmental scientists analyze soil and water samples to assess pollution levels and the health of ecosystems. Similarly, pharmacologists study laboratory samples of compounds to develop new medications. Each analysis provides valuable insights that can lead to innovative solutions and improvements in health, safety, and environmental sustainability.In conclusion, the term laboratory sample encompasses a fundamental concept in scientific research that plays a pivotal role in experimentation and analysis. Understanding the significance of laboratory samples, the methods of collection, ethical considerations, and their impact on research outcomes is essential for anyone involved in scientific endeavors. As we continue to advance our knowledge and technology, the importance of accurate and representative laboratory samples will only grow, emphasizing the need for rigorous standards and practices in the collection and analysis of these critical materials.

在科学研究领域，术语实验室样本经常用于指代从更大量的材料中收集的小部分，用于分析和实验。实验室样本可以来源于各种来源，例如生物标本、化学化合物或环境材料。获得实验室样本的过程至关重要，因为它必须准确代表整体的特征，以确保可靠的结果。例如，在医学研究中，从患者身上提取的血样作为实验室样本被分析以诊断疾病或监测健康状况。实验室样本的重要性不容小觑，因为它们构成了实验验证的基础。当科学家进行实验时，他们依赖于实验室样本来测试假设并得出结论。实验室样本的完整性直接影响实验结果。如果实验室样本受到污染或未能代表更大的人群，结果可能导致错误的解释和潜在的有害决策。此外，收集和存储实验室样本所使用的方法对保持其质量至关重要。不同类型的样本需要特定的处理程序以保持其特性。例如，生物样本可能需要立即冷冻以防止降解，而化学样本必须存放在密封容器中以避免污染。因此，研究人员在处理实验室样本时必须遵循严格的协议，以确保获得的数据是有效和可重复的。另一个需要考虑的方面是围绕实验室样本的伦理问题，特别是那些来自人类受试者的样本。在医学研究中，获取实验室样本通常需要参与者的知情同意。研究人员必须确保个人了解研究的目的以及他们的样本将如何使用。这一伦理考量对于建立研究社区与公众之间的信任至关重要。此外，分析实验室样本可以在各个领域带来重大进展。例如，环境科学家分析土壤和水样以评估污染水平和生态系统的健康。同样，药理学家研究化合物的实验室样本以开发新药。每次分析都提供了宝贵的见解，可以导致创新解决方案和改善健康、安全和环境可持续性。总之，术语实验室样本涵盖了科学研究中的一个基本概念，在实验和分析中发挥着关键作用。理解实验室样本的重要性、收集方法、伦理考量及其对研究结果的影响，对于任何参与科学工作的人都是必不可少的。随着我们继续推进知识和技术，准确和具有代表性的实验室样本的重要性只会增加，这强调了在收集和分析这些关键材料时需要严格的标准和实践。