petri dish

简明释义

陪替氏培养皿

英英释义

例句

1.Different types of fungi were grown on separate petri dishes 培养皿 for comparison.

不同类型的真菌在不同的培养皿上生长以便比较。

2.The lab technician used a sterile petri dish 培养皿 for the experiment.

实验室技术员使用了一个无菌的培养皿进行实验。

3.After inoculating the petri dish 培养皿, she sealed it to prevent contamination.

接种完培养皿后，她封住了它以防止污染。

4.The scientist carefully placed the bacteria on a petri dish 培养皿 to observe their growth.

科学家小心翼翼地将细菌放在一个培养皿上，以观察它们的生长。

5.The results showed that the antibiotic inhibited growth on the petri dish 培养皿 significantly.

结果显示抗生素显著抑制了在培养皿上的生长。

作文

In the world of science, particularly in microbiology, a petri dish is an essential tool used for culturing microorganisms. This shallow, flat, cylindrical container is typically made of glass or clear plastic and is covered by a lid. The petri dish allows scientists to grow bacteria, fungi, and other cells in a controlled environment. The importance of the petri dish cannot be overstated; it serves as a fundamental element in experiments that require the observation and manipulation of living organisms.The design of the petri dish is simple yet effective. Its transparent material enables researchers to visually monitor the growth of cultures without disturbing them. In laboratory settings, the petri dish is often filled with agar, a gelatinous substance derived from seaweed, which provides nutrients for the microorganisms. Once the agar solidifies, scientists can inoculate the surface with samples, allowing for the growth of colonies.One of the most fascinating aspects of using a petri dish is the ability to observe how different variables affect microbial growth. For instance, by placing various substances on the agar, researchers can assess the effectiveness of antibiotics or other antimicrobial agents. This experimentation can lead to significant discoveries in medicine and pharmacology, as it helps identify which compounds can inhibit bacterial growth.Moreover, the petri dish has applications beyond microbiology. In fields such as genetics, cell biology, and even agriculture, it serves as a platform for various types of research. Scientists can use the petri dish to study plant tissue cultures, investigate genetic mutations, or explore cellular responses to environmental changes. The versatility of the petri dish makes it a staple in laboratories around the world.However, working with a petri dish also requires strict adherence to sterile techniques. Contamination can easily occur if proper protocols are not followed. Therefore, researchers must ensure that all materials used are sterilized and that they work in a clean environment. This attention to detail is crucial for obtaining valid results in any experiment involving a petri dish.In conclusion, the petri dish is more than just a simple laboratory tool; it is a gateway to understanding the microscopic world. Its role in scientific discovery is invaluable, paving the way for advancements in health, agriculture, and biotechnology. As we continue to explore the complexities of life at the cellular level, the petri dish will remain an indispensable instrument in our quest for knowledge. Whether it is for educational purposes or groundbreaking research, the petri dish holds great significance in the scientific community, symbolizing the intersection of curiosity and innovation.

在科学界，尤其是微生物学领域，培养皿是用于培养微生物的重要工具。这种浅而扁平的圆柱形容器通常由玻璃或透明塑料制成，并带有盖子。培养皿允许科学家在受控环境中生长细菌、真菌和其他细胞。培养皿的重要性不言而喻；它是需要观察和操作活生物体的实验中的基本元素。培养皿的设计简单而有效。其透明材料使研究人员能够在不干扰培养物的情况下可视化监测生长。在实验室环境中，培养皿通常填充琼脂，这是一种从海藻中提取的胶状物质，提供微生物所需的营养。一旦琼脂凝固，科学家可以在表面接种样本，从而允许菌落的生长。使用培养皿的最迷人之处在于观察不同变量如何影响微生物生长。例如，通过在琼脂上放置各种物质，研究人员可以评估抗生素或其他抗微生物剂的有效性。这种实验可以导致医学和药理学方面的重要发现，因为它有助于识别哪些化合物可以抑制细菌生长。此外，培养皿在微生物学之外也有应用。在遗传学、细胞生物学甚至农业等领域，它作为各种类型研究的平台。科学家可以使用培养皿研究植物组织培养，调查基因突变，或探索细胞对环境变化的反应。培养皿的多功能性使其成为全球实验室的基础。然而，使用培养皿也需要严格遵循无菌技术。如果不遵循适当的协议，很容易发生污染。因此，研究人员必须确保所有使用的材料都经过消毒，并且在干净的环境中工作。这种对细节的关注对于获得任何涉及培养皿的实验的有效结果至关重要。总之，培养皿不仅仅是一个简单的实验室工具；它是理解微观世界的一个门户。它在科学发现中的作用是无价的，为健康、农业和生物技术的发展铺平了道路。随着我们继续探索细胞层面的生命复杂性，培养皿将继续作为我们追求知识不可或缺的工具。无论是出于教育目的还是开创性的研究，培养皿在科学界中具有重要意义，象征着好奇心与创新的交汇。