sieve test

简明释义

筛分试验

英英释义

例句

1.A sieve test can help identify if the mixture meets the required specifications.

一次筛分试验可以帮助识别混合物是否符合所需规格。

2.Before using the aggregate in construction, a sieve test is necessary to ensure quality.

在建筑中使用骨料之前，进行一次筛分试验是必要的，以确保质量。

3.The results from the sieve test indicated that the sand was too coarse for the intended purpose.

来自筛分试验的结果表明，沙子太粗，不适合预期用途。

4.The engineer conducted a sieve test to determine the particle size distribution of the soil samples.

工程师进行了一次筛分试验以确定土壤样本的颗粒大小分布。

5.During the quality control process, we perform a sieve test on every batch of material.

在质量控制过程中，我们对每批材料进行一次筛分试验。

作文

The concept of a sieve test is often utilized in various fields, particularly in engineering and quality control. A sieve test is a method used to evaluate the particle size distribution of a material by passing it through a series of sieves with different mesh sizes. This technique is essential for ensuring that materials meet specific standards and specifications required for their intended applications. For instance, in construction, the size of aggregate particles can significantly influence the strength and durability of concrete. Therefore, conducting a sieve test helps engineers determine whether the aggregates are suitable for use in concrete mixtures.In the food industry, a sieve test can also play a critical role. For example, flour mills often perform sieve tests to assess the fineness of flour. By analyzing the particle size distribution, mill operators can ensure that the flour meets the desired quality standards for baking. If the flour contains too many coarse particles, it may not perform well in recipes, leading to undesirable results in baked goods.Moreover, environmental scientists frequently employ sieve tests to analyze soil samples. Understanding the composition of soil is vital for various applications such as agriculture, construction, and environmental remediation. By performing a sieve test, scientists can determine the proportions of sand, silt, and clay within a soil sample. This information is crucial for making informed decisions about land use and management practices.The procedure for conducting a sieve test is relatively straightforward. First, a representative sample of the material is collected. Next, this sample is placed on the top sieve of a stack of sieves arranged in descending order of mesh size. The stack is then subjected to mechanical shaking or vibration, allowing particles to pass through the sieves based on their size. After a specified period, the amount of material retained on each sieve is weighed and recorded.The results of a sieve test can be presented in various formats, including tables and graphs, which help visualize the particle size distribution. This data is invaluable for engineers and scientists, as it provides insights into the characteristics of the material being tested. For example, a well-graded aggregate will have a range of particle sizes that contribute to better packing and strength in concrete, while poorly graded aggregates may lead to weaker structures.In conclusion, the sieve test is an indispensable tool in many industries, providing critical information about material properties. Whether in construction, food production, or environmental science, understanding the particle size distribution is vital for ensuring quality and performance. As technology advances, the methods and equipment used for sieve tests continue to evolve, making these tests more efficient and accurate. Ultimately, the importance of the sieve test cannot be overstated, as it helps maintain standards and improve the overall quality of products and materials across various sectors.

“筛分测试”的概念在多个领域中经常被使用，特别是在工程和质量控制方面。“筛分测试”是一种通过将材料通过一系列不同网孔大小的筛子来评估颗粒大小分布的方法。这项技术对于确保材料符合其预期应用所需的特定标准和规范至关重要。例如，在建筑中，骨料颗粒的大小可以显著影响混凝土的强度和耐久性。因此，进行“筛分测试”有助于工程师确定骨料是否适合用于混凝土配合。在食品工业中，“筛分测试”也可以发挥关键作用。例如，面粉厂通常会进行“筛分测试”以评估面粉的细度。通过分析颗粒大小分布，磨坊操作员可以确保面粉符合烘焙所需的质量标准。如果面粉中含有过多粗颗粒，它可能在食谱中表现不佳，导致烘焙产品的结果不尽如人意。此外，环境科学家经常使用“筛分测试”来分析土壤样本。了解土壤的组成对于农业、建筑和环境修复等各种应用至关重要。通过进行“筛分测试”，科学家可以确定土壤样本中沙子、淤泥和粘土的比例。这些信息对于制定土地使用和管理实践的明智决策至关重要。进行“筛分测试”的程序相对简单。首先，收集一份具有代表性的材料样本。接下来，将该样本放置在一堆按网孔大小递减顺序排列的筛子的顶部。然后对堆进行机械摇动或振动，使颗粒根据其大小通过筛子。在规定时间后，称量并记录每个筛子上保留的材料量。“筛分测试”的结果可以以各种格式呈现，包括表格和图形，这有助于可视化颗粒大小分布。这些数据对工程师和科学家来说是无价的，因为它提供了关于被测试材料特性的洞察。例如，级配良好的骨料将具有一系列颗粒大小，这有助于混凝土更好的堆积和强度，而级配不良的骨料可能导致结构较弱。总之，“筛分测试”是许多行业中不可或缺的工具，提供有关材料特性的关键信息。无论是在建筑、食品生产还是环境科学中，了解颗粒大小分布对于确保质量和性能至关重要。随着技术的发展，用于“筛分测试”的方法和设备不断演变，使这些测试更加高效和准确。最终，“筛分测试”的重要性不容小觑，因为它有助于维持标准并提高各个行业产品和材料的整体质量。