oil immersion
简明释义
油渍
英英释义
A technique used in microscopy where a drop of oil is placed between the objective lens and the specimen to improve resolution and clarity. | 一种在显微镜中使用的技术,在物镜和标本之间放置一滴油,以提高分辨率和清晰度。 |
例句
1.The laboratory technician prepared the slides for oil immersion 油浸 to observe the cellular structures more clearly.
实验室技术员准备了用于油浸 油浸的载玻片,以更清楚地观察细胞结构。
2.The oil immersion 油浸 objective lens is essential for viewing bacteria and other small organisms.
油浸 油浸物镜对于观察细菌和其他小型生物至关重要。
3.During the biology class, we learned how to use oil immersion 油浸 lenses under a microscope.
在生物课上,我们学习了如何在显微镜下使用油浸 油浸镜头。
4.In microscopy, using oil immersion 油浸 techniques can significantly improve the resolution of the images.
在显微镜学中,使用油浸 油浸技术可以显著提高图像的分辨率。
5.For accurate measurements, make sure to apply oil immersion 油浸 correctly on the slide.
为了获得准确的测量,确保在载玻片上正确涂抹油浸 油浸。
作文
The study of microscopic structures is a fascinating field that allows scientists to explore the intricacies of life at a cellular level. One of the essential techniques used in microscopy is oil immersion, which significantly enhances the resolution of images obtained through light microscopes. This technique involves using a special type of oil, typically cedarwood oil or synthetic oil, that has a refractive index similar to that of glass. By placing a drop of this oil between the microscope slide and the objective lens, the light that passes through the specimen is better focused, allowing for clearer and more detailed images.The principle behind oil immersion is rooted in the physics of light refraction. When light travels from one medium to another, such as from air to glass, it bends or refracts. In traditional microscopy, this bending can lead to a loss of clarity and detail. However, by using oil with a refractive index that closely matches that of glass, the transition between mediums is smoother, resulting in less light scattering and improved image quality.In practical applications, oil immersion is particularly valuable when examining specimens that require high magnification, such as bacteria, tissue samples, and other minute organisms. The use of high-power objectives, often 100x magnification or higher, necessitates the use of this technique to achieve optimal results. Without oil immersion, the images produced may appear blurry or indistinct, making it difficult for researchers to draw accurate conclusions from their observations.Moreover, oil immersion not only enhances resolution but also increases contrast in the observed specimens. This is crucial when differentiating between various cellular components or identifying specific structures within a sample. For instance, in microbiology, the ability to distinguish between different types of bacteria can be pivotal for diagnosis and treatment. The clarity provided by oil immersion enables microbiologists to identify morphological characteristics that are critical for classification.Despite its advantages, oil immersion does come with certain challenges. The process requires careful handling, as the oil can be messy and difficult to clean. Additionally, not all objective lenses are designed for use with oil; therefore, it is essential to ensure that the appropriate lenses are utilized. Furthermore, after using oil immersion, it is important to clean the lenses thoroughly to prevent damage and maintain their optical quality.In conclusion, oil immersion is a fundamental technique in microscopy that enhances the resolution and contrast of images obtained from specimens. Its importance in biological research cannot be overstated, as it allows scientists to visualize and analyze the intricate details of cellular structures. As technology continues to advance, the methods and materials used for oil immersion may evolve, but the core principles will remain integral to the field of microscopy. Understanding and mastering oil immersion is essential for anyone involved in microscopic analysis, as it opens up new avenues for discovery and innovation in the life sciences.
微观结构的研究是一个迷人的领域,它使科学家能够探索细胞层面生命的复杂性。显微镜学中使用的一项基本技术是油浸,它显著增强了通过光学显微镜获得的图像的分辨率。这种技术涉及使用一种特殊类型的油,通常是雪松油或合成油,其折射率与玻璃相似。通过在显微镜载玻片和物镜之间放置一滴这种油,穿过标本的光线得以更好地聚焦,从而获得更清晰、更详细的图像。油浸背后的原理根植于光的折射物理学。当光从一种介质传播到另一种介质时,例如从空气到玻璃,它会弯曲或折射。在传统显微镜中,这种弯曲可能导致清晰度和细节的丧失。然而,通过使用与玻璃折射率相近的油,介质之间的过渡更加平滑,从而减少光散射并改善图像质量。在实际应用中,油浸在检查需要高放大倍率的标本时尤其有价值,例如细菌、组织样本和其他微小生物。使用高功率物镜,通常是100倍或更高的放大倍率,必须使用这种技术以获得最佳结果。如果没有油浸,产生的图像可能会模糊不清,使研究人员难以从观察中得出准确的结论。此外,油浸不仅增强了分辨率,还提高了观察标本的对比度。这在区分各种细胞成分或识别样本中特定结构时至关重要。例如,在微生物学中,区分不同类型细菌的能力对于诊断和治疗至关重要。油浸提供的清晰度使微生物学家能够识别分类所需的形态特征。尽管有其优势,油浸也带来了一些挑战。该过程需要仔细处理,因为油可能会很麻烦且难以清理。此外,并非所有物镜都设计用于油浸;因此,确保使用适当的物镜至关重要。此外,在使用油浸后,彻底清洁镜头以防止损坏并保持其光学质量也非常重要。总之,油浸是显微镜学中的一项基本技术,可以增强从标本获得的图像的分辨率和对比度。它在生物研究中的重要性不容低估,因为它使科学家能够可视化和分析细胞结构的复杂细节。随着技术的不断进步,用于油浸的方法和材料可能会演变,但核心原理将继续在显微镜领域中不可或缺。理解和掌握油浸对于任何参与显微分析的人来说都是必不可少的,因为它为生命科学中的发现和创新开辟了新的途径。
相关单词