conical tube

简明释义

锥形纸管

英英释义

例句

1.After centrifugation, the cells settled at the bottom of the conical tube.

离心后，细胞沉淀在锥形管的底部。

2.You can use a conical tube to store your DNA samples safely.

您可以使用锥形管安全存储您的DNA样本。

3.The laboratory technician filled the conical tube with a sample for analysis.

实验室技术人员将样品装入锥形管进行分析。

4.To measure the liquid accurately, pour it into a conical tube.

为了准确测量液体，将其倒入锥形管中。

5.The conical tube has a screw cap that prevents leakage during transport.

锥形管有一个螺旋盖，可以防止运输过程中泄漏。

作文

In the world of science and laboratory work, precision is paramount. One of the essential tools that scientists frequently utilize is the conical tube. The conical tube (锥形管) is a laboratory container that has a conical shape, which allows for easy mixing and separation of liquids. These tubes are typically made from plastic or glass and come in various sizes, making them versatile for different experiments. The design of the conical tube is particularly beneficial for centrifugation processes. When samples are spun at high speeds in a centrifuge, the conical shape helps to concentrate the contents at the bottom of the tube. This is crucial when separating components of mixtures, such as cells from culture media or precipitates from solutions. Moreover, the conical tube often features a snap-cap or screw cap that prevents contamination and allows for secure storage of samples. This feature is vital in maintaining the integrity of sensitive biological samples, which may degrade if exposed to air or contaminants. Scientists appreciate the convenience of being able to label these tubes easily, ensuring that they can quickly identify the contents without opening the tube. Another advantage of the conical tube is its compatibility with various laboratory equipment. For instance, many pipettes and dispensers are designed to fit perfectly into the opening of a conical tube, facilitating the transfer of liquids without spills. This is especially important in experiments where accuracy is critical, as even minor discrepancies in liquid volumes can lead to significant variations in results. In addition to their use in centrifugation, conical tubes are also employed in preparation steps for various biochemical assays. For example, when preparing DNA samples for polymerase chain reaction (PCR), researchers often use conical tubes to mix reagents thoroughly. The tapered design allows for efficient mixing, ensuring that all components are well-integrated before the amplification process begins.Furthermore, the conical tube is not limited to just one type of scientific discipline. In molecular biology, microbiology, and biochemistry, these tubes play an integral role in sample handling and processing. Their versatility makes them a staple in any laboratory setting, whether it be academic research, clinical diagnostics, or industrial applications.In conclusion, the conical tube (锥形管) is an indispensable tool in modern laboratories. Its unique design facilitates various laboratory processes, including mixing, centrifugation, and sample storage. As scientists continue to push the boundaries of research, the importance of reliable and effective tools like the conical tube cannot be overstated. Understanding the functionality and application of this simple yet essential laboratory item is crucial for anyone involved in scientific research.

在科学和实验室工作的世界中，精确性至关重要。科学家经常使用的基本工具之一是锥形管。锥形管（conical tube）是一种具有锥形形状的实验室容器，可以方便地混合和分离液体。这些管通常由塑料或玻璃制成，尺寸各异，使其在不同实验中具有多功能性。锥形管的设计对于离心过程特别有利。当样本在离心机中以高速旋转时，锥形的形状有助于将内容物集中在管底。这在分离混合物的成分时至关重要，例如从培养基中分离细胞或从溶液中沉淀物。此外，锥形管通常配有快扣盖或螺旋盖，防止污染，并允许安全存储样本。这个功能对于保持敏感生物样本的完整性至关重要，因为如果暴露在空气或污染物中，样本可能会降解。科学家们欣赏能够轻松标记这些管子的便利性，确保他们可以快速识别内容物而无需打开管子。锥形管的另一个优点是它与各种实验室设备的兼容性。例如，许多移液器和分配器设计得完美适合锥形管的开口，从而促进液体的转移而不洒出。这在实验中尤为重要，因为即使是微小的液体体积差异也会导致结果的显著变化。除了在离心中的应用外，锥形管还用于各种生化检测的准备步骤。例如，在准备聚合酶链反应（PCR）用的DNA样本时，研究人员常常使用锥形管来彻底混合试剂。锥形设计允许高效混合，确保所有成分在扩增过程开始之前充分融合。此外，锥形管并不仅限于某一种科学学科。在分子生物学、微生物学和生物化学中，这些管在样本处理和加工中发挥着重要作用。它们的多功能性使其成为任何实验室环境的基础，无论是在学术研究、临床诊断还是工业应用中。总之，锥形管（conical tube）是现代实验室中不可或缺的工具。其独特的设计促进了各种实验室过程，包括混合、离心和样本存储。随着科学家们继续推动研究的界限，像锥形管这样可靠有效的工具的重要性不容小觑。理解这一简单而又必不可少的实验室物品的功能和应用，对于任何参与科学研究的人来说都是至关重要的。