wet preparation

简明释义

湿选

英英释义

例句

1.In biology class, we learned how to create a wet preparation 湿制备 of onion cells to observe their structure under a microscope.

在生物课上，我们学习了如何制作洋葱细胞的wet preparation 湿制备，以便在显微镜下观察它们的结构。

2.The lab technician demonstrated the process of making a wet preparation 湿制备 for examining blood samples.

实验室技术员演示了制作血液样本的wet preparation 湿制备的过程。

3.During the microscopy workshop, participants practiced making a wet preparation 湿制备 of algae.

在显微镜研讨会上，参与者练习制作藻类的wet preparation 湿制备。

4.For our project, we need to prepare a wet preparation 湿制备 of plant tissues to study their cellular composition.

为了我们的项目，我们需要准备植物组织的wet preparation 湿制备以研究其细胞组成。

5.The wet preparation 湿制备 technique is essential for observing live microorganisms in a sample.

使用wet preparation 湿制备技术对于观察样本中的活微生物至关重要。

作文

In the field of biology and microscopy, the term wet preparation refers to a technique used to prepare specimens for examination under a microscope. This method involves placing the sample in a liquid medium, typically water or a specific solution, which helps to preserve the specimen's natural state and allows for better visualization of its structures. The wet preparation technique is essential for studying living organisms, cells, and tissues, as it maintains the hydration and integrity of the specimens during observation. One of the primary advantages of wet preparation is that it enables scientists and students to observe dynamic processes in real-time. For instance, when examining microorganisms like amoebas or paramecia, the wet preparation method allows viewers to see how these organisms move, feed, and interact with their environment. In contrast, dry preparations may cause the specimens to dry out and lose vital characteristics, making them less suitable for certain types of analysis.To perform a wet preparation, one must first collect the sample, which could be a drop of pond water, a piece of plant tissue, or even a small animal. The next step involves placing the sample on a glass microscope slide. A drop of liquid, such as saline or distilled water, is then added to the sample. It is crucial to use an appropriate liquid that will not harm the specimen and will provide the necessary refractive index for clear viewing.After adding the liquid, a coverslip is gently placed over the sample to prevent contamination and minimize evaporation. Care must be taken to avoid air bubbles, as they can obstruct the view and interfere with the examination. Once the wet preparation is complete, the slide is ready to be observed under the microscope. The wet preparation technique is widely used in educational settings, particularly in biology labs, where students learn about cell structure and function. By using this method, students can engage in hands-on learning experiences that enhance their understanding of biological concepts. Furthermore, wet preparation is not limited to basic education; it is also employed in advanced research laboratories for various studies, including microbiology, histology, and pathology. In conclusion, the wet preparation technique is a fundamental practice in the study of biological specimens. It allows for the observation of live cells and organisms in their natural state, providing invaluable insights into their behavior and characteristics. Understanding how to properly execute a wet preparation is essential for anyone pursuing a career in the life sciences, as it lays the foundation for more complex techniques and analyses in the future.

在生物学和显微镜学领域，术语warm preparation指的是用于准备标本以便在显微镜下观察的一种技术。该方法涉及将样本置于液体介质中，通常是水或特定溶液，这有助于保持标本的自然状态，并允许更好地可视化其结构。warm preparation技术对于研究活生物体、细胞和组织至关重要，因为它在观察期间保持了标本的水分和完整性。warm preparation的主要优点之一是，它使科学家和学生能够实时观察动态过程。例如，在检查像变形虫或草履虫这样的微生物时，warm preparation方法允许观察者看到这些生物如何移动、进食以及与环境互动。相比之下，干制备可能导致标本干燥并失去重要特征，使其不适合某些类型的分析。进行warm preparation时，首先必须收集样本，可以是池塘水的一滴、一片植物组织，甚至是小动物。下一步是将样本放在玻璃显微镜载玻片上。然后加入一滴液体，如生理盐水或蒸馏水。使用合适的液体至关重要，这样不会对标本造成伤害，并提供必要的折射率以便清晰观察。加入液体后，轻轻将盖玻片放在样本上，以防止污染并最小化蒸发。必须小心避免气泡，因为它们会阻碍视线并干扰观察。一旦warm preparation完成，载玻片就可以在显微镜下观察。warm preparation技术广泛应用于教育环境，特别是在生物实验室，学生们学习细胞结构和功能。通过使用这种方法，学生可以参与动手学习体验，增强他们对生物概念的理解。此外，warm preparation不仅限于基础教育；它还被应用于高级研究实验室，用于各种研究，包括微生物学、组织学和病理学。总之，warm preparation技术是生物标本研究中的基本实践。它允许观察活细胞和生物体在其自然状态下的行为，为其行为和特征提供了宝贵的见解。了解如何正确执行warm preparation对于任何追求生命科学职业的人来说都是至关重要的，因为这为未来更复杂的技术和分析奠定了基础。