oil immersion test

简明释义

油浸试验

英英释义

例句

1.The accuracy of the oil immersion test is crucial for diagnosing infections.

对于感染的诊断，油浸测试的准确性至关重要。

2.The pathologist used an oil immersion test to identify cancerous cells in the sample.

病理学家使用油浸测试来识别样本中的癌细胞。

3.During the oil immersion test, we observed the cellular structures in great detail.

在油浸测试中，我们详细观察了细胞结构。

4.The microbiology lab conducted an oil immersion test to examine the bacteria under high magnification.

微生物实验室进行了一个油浸测试以在高倍放大下检查细菌。

5.In our biology class, we learned how to perform an oil immersion test with a microscope.

在我们的生物课上，我们学习了如何用显微镜进行油浸测试。

作文

The oil immersion test is a crucial procedure in the field of microscopy, particularly when it comes to observing specimens at high magnifications. This technique involves using a special type of oil, known as immersion oil, which has a refractive index similar to that of glass. The primary purpose of the oil immersion test is to enhance the resolution of the microscope, allowing for clearer and more detailed images of the specimen being examined.In microscopy, light rays can bend or refract as they pass through different materials. When light travels from air into glass, it bends due to the difference in refractive indices. However, when using an oil immersion lens, the oil fills the gap between the slide and the objective lens, minimizing the refraction of light and maximizing the amount of light that enters the lens. This results in improved image clarity and resolution, making it easier for scientists and researchers to study fine details of biological samples.The oil immersion test is especially important in microbiology, where the size of microorganisms can be very small. By using this technique, microbiologists can observe bacteria, viruses, and other microscopic organisms with much greater detail than would be possible with lower magnification techniques. This allows for better identification and understanding of these organisms, which is essential for various applications such as medical diagnostics, environmental monitoring, and research.To perform an oil immersion test, a microscope equipped with an oil immersion objective lens is necessary. The procedure typically begins with preparing a slide containing the specimen to be observed. Once the slide is ready, a small drop of immersion oil is placed on the slide, directly over the specimen. The oil is then carefully brought into contact with the objective lens of the microscope. It is crucial to ensure that the oil does not come into contact with any other lenses, as this could lead to contamination and affect the quality of the images obtained.After the oil has been applied, the microscope can be adjusted to focus on the specimen. The enhanced optical properties provided by the immersion oil allow for a much clearer view of the specimen's structure and details. This is particularly useful in identifying specific features such as cell walls, membranes, and organelles within cells.In conclusion, the oil immersion test is an indispensable technique in microscopy that significantly improves the ability to observe and analyze microscopic specimens. Its application spans various fields of science, including biology, medicine, and materials science. As technology continues to advance, the methods and equipment used for the oil immersion test are likely to evolve, providing even greater insights into the microscopic world. Understanding this technique is essential for anyone involved in scientific research or education, as it lays the foundation for many discoveries in the life sciences and beyond.

油浸测试是显微镜学领域中的一个重要程序，尤其是在高倍观察标本时。该技术涉及使用一种特殊类型的油，称为浸油，其折射率与玻璃相似。油浸测试的主要目的是增强显微镜的分辨率，从而能够更清晰、更详细地观察被检查的标本。在显微镜学中，光线在穿过不同材料时可能会弯曲或折射。当光从空气进入玻璃时，由于折射率的差异而发生弯曲。然而，当使用油浸镜头时，油填充在载玻片和物镜之间的间隙中，最小化光的折射并最大化进入镜头的光量。这导致图像清晰度和分辨率的提高，使科学家和研究人员更容易研究生物样本的细节。油浸测试在微生物学中尤为重要，因为微生物的大小可能非常小。通过使用这一技术，微生物学家可以以比低倍显微技术更大的细节观察细菌、病毒和其他微观生物。这有助于更好地识别和理解这些生物，这对医学诊断、环境监测和研究等各种应用至关重要。进行油浸测试时，需要配备油浸物镜的显微镜。该过程通常从准备含有待观察标本的载玻片开始。一旦载玻片准备好，就会在载玻片上放置一小滴浸油，直接放在标本上方。然后，小心地将油与显微镜的物镜接触。确保油不接触任何其他镜头至关重要，因为这可能导致污染并影响获得图像的质量。在施加油之后，可以调整显微镜以聚焦于标本。浸油提供的增强光学特性允许更清晰地查看标本的结构和细节。这在识别特定特征（如细胞壁、膜和细胞内的细胞器）时特别有用。总之，油浸测试是一种不可或缺的显微镜技术，显著提高了观察和分析微观标本的能力。它的应用跨越了生物学、医学和材料科学等多个科学领域。随着技术的不断进步，用于油浸测试的方法和设备可能会不断演变，为微观世界提供更大的见解。理解这一技术对于任何参与科学研究或教育的人来说都是必不可少的，因为它为生命科学及其他领域的许多发现奠定了基础。