bed sample

简明释义

1. 地层标本; 2. 油层油样; 3. 煤层试样;

英英释义

例句

1.We need to obtain a bed sample from this area to check for contaminants.

我们需要从这个区域获取一个床样本以检查污染物。

2.The bed sample revealed important information about the sediment layers.

这个床样本揭示了沉积层的重要信息。

3.The marine biologist collected a bed sample from the ocean floor.

海洋生物学家从海底采集了一个床样本。

4.Before starting construction, the engineers collected a bed sample for testing.

在开始施工之前，工程师们收集了一个床样本进行测试。

5.The geologist took a bed sample to analyze the soil composition.

地质学家采集了一个床样本以分析土壤成分。

作文

In the field of geology and environmental science, the term bed sample refers to a representative sample taken from the bottom layer of sediment or soil. This type of sampling is crucial for understanding the composition and characteristics of geological formations. By analyzing bed samples, scientists can gather valuable information about past environmental conditions, sediment deposition processes, and even the presence of fossils. The process of collecting a bed sample typically involves using specialized tools to ensure that the sample is not contaminated and accurately reflects the conditions of the layer being studied.The significance of bed samples extends beyond mere academic interest; they play a vital role in various practical applications. For instance, in civil engineering, understanding the properties of the ground beneath a construction site is essential for ensuring stability and safety. Engineers often rely on bed samples to assess soil strength, drainage capabilities, and potential hazards such as liquefaction during earthquakes.Moreover, bed samples are integral to environmental assessments. When evaluating the impact of pollution or other anthropogenic activities, scientists collect bed samples to determine the concentration of contaminants in the soil or sediment. This data is crucial for developing remediation strategies and ensuring compliance with environmental regulations.The methodology for collecting a bed sample can vary depending on the specific goals of the study. In some cases, researchers may use a hand auger or a core sampler to extract a cylindrical section of soil, capturing the stratification of layers. In other situations, particularly in aquatic environments, sediment traps may be deployed to collect bed samples from the bottom of lakes or rivers. Regardless of the method, it is essential that the bed sample is preserved properly to maintain its integrity during transportation and analysis.Furthermore, the analysis of bed samples can involve various techniques, including chemical assays, physical property tests, and microscopic examinations. These analyses allow scientists to interpret the history of an area, including changes in climate, vegetation, and human activity over time. For example, by examining the pollen grains found in a bed sample, researchers can reconstruct past ecosystems and understand how they have evolved.In conclusion, bed samples are a fundamental component of geological and environmental research. They provide critical insights into the Earth's history and inform practical applications in engineering and environmental management. As our understanding of the environment continues to evolve, the importance of collecting and analyzing bed samples will only grow, highlighting the need for rigorous scientific methods and interdisciplinary collaboration. The knowledge gained from these samples not only enhances our understanding of the natural world but also aids in making informed decisions for sustainable development and conservation efforts.

在地质学和环境科学领域，术语bed sample指的是从沉积物或土壤的底层提取的代表性样本。这种采样对于理解地质构造的组成和特征至关重要。通过分析bed samples，科学家可以收集关于过去环境条件、沉积过程甚至化石存在的宝贵信息。采集bed sample的过程通常涉及使用专业工具，以确保样本不被污染，并准确反映所研究层的条件。bed samples的重要性超出了单纯的学术兴趣；它们在各种实际应用中发挥着至关重要的作用。例如，在土木工程中，了解建筑工地下方的地面特性对于确保稳定性和安全性至关重要。工程师通常依赖bed samples来评估土壤强度、排水能力以及潜在的危险，如地震期间的液化现象。此外，bed samples是环境评估的核心。当评估污染或其他人为活动的影响时，科学家会收集bed samples以确定土壤或沉积物中污染物的浓度。这些数据对于制定修复策略和确保遵守环境法规至关重要。采集bed sample的方法可能因研究的具体目标而异。在某些情况下，研究人员可能使用手钻或岩心采样器提取土壤的圆柱形部分，捕捉层的分层情况。在其他情况下，尤其是在水域环境中，可能会部署沉积物捕集器以从湖泊或河流的底部收集bed samples。无论方法如何，确保bed sample在运输和分析过程中保持完整性至关重要。此外，bed samples的分析可以涉及多种技术，包括化学测定、物理性质测试和显微镜检查。这些分析使科学家能够解读一个地区的历史，包括气候、植被和人类活动随时间变化的情况。例如，通过检查bed sample中发现的花粉颗粒，研究人员可以重建过去的生态系统，并了解它们是如何演变的。总之，bed samples是地质和环境研究的基本组成部分。它们提供了对地球历史的关键见解，并为工程和环境管理中的实际应用提供了支持。随着我们对环境理解的不断发展，采集和分析bed samples的重要性将只会增加，突显出严谨科学方法和跨学科合作的必要性。从这些样本中获得的知识不仅增强了我们对自然世界的理解，还帮助我们在可持续发展和保护工作中做出明智的决策。