measuring pipet

简明释义

莫尔吸量管

英英释义

例句

1.For the experiment, make sure to rinse the measuring pipet with distilled water before use.

在实验中，确保在使用前用蒸馏水冲洗量 pipet。

2.The measuring pipet is essential for precise measurements in titration processes.

在滴定过程中，量 pipet对于精确测量至关重要。

3.Using a measuring pipet helps eliminate errors when measuring liquid volumes.

使用量 pipet有助于消除测量液体体积时的误差。

4.The lab technician used a measuring pipet to accurately transfer 10 milliliters of solution.

实验室技术员使用量 pipet准确转移了10毫升的溶液。

5.I found a broken measuring pipet in the lab; we need to replace it immediately.

我在实验室发现了一根坏掉的量 pipet; 我们需要立即更换它。

作文

In the world of laboratory science, precision and accuracy are paramount. One of the essential tools that scientists use to achieve these qualities is the measuring pipet. A measuring pipet (量筒) is a laboratory instrument used for measuring and transferring precise volumes of liquids. Unlike a standard pipette, which may be used for smaller volumes and often requires a skillful hand, a measuring pipet provides a more straightforward and reliable means of measuring larger quantities of liquid with marked graduations along its length.The design of a measuring pipet is quite distinctive. It typically features a long, slender tube with a tapered end, which allows for easy pouring and transferring of liquids. The graduated markings on the side of the measuring pipet enable users to determine the exact volume of liquid they wish to measure. This is particularly important in experiments where even a slight deviation in liquid volume can lead to significant changes in results. For instance, in titration experiments, the accurate measurement of reagents is crucial for determining the concentration of solutions.Using a measuring pipet involves a few key steps to ensure accuracy. First, the user must select the appropriate size of the pipet based on the volume of liquid to be measured. Next, the liquid is drawn into the pipet using a suction device or pipet bulb, ensuring that there are no air bubbles trapped inside. Once filled, the user must carefully read the meniscus—the curve formed by the liquid surface—at eye level to obtain an accurate measurement. After measuring, the liquid can be dispensed into another container by simply tilting the pipet, allowing for controlled pouring.In addition to its role in precise volume measurement, a measuring pipet also plays a vital role in various scientific applications. In chemistry, for example, it is commonly used in preparing solutions and conducting quantitative analyses. In biology, a measuring pipet can be utilized for diluting samples or mixing reagents in controlled experiments. Its versatility makes it an indispensable tool across multiple scientific disciplines.Furthermore, the materials used to manufacture measuring pipets can vary, with glass and plastic being the most common. Glass pipets are often preferred for their chemical resistance and durability, while plastic pipets offer convenience and disposability. Regardless of the material, proper cleaning and maintenance are essential to ensure the longevity and accuracy of the measuring pipet.In conclusion, the measuring pipet (量筒) is a fundamental instrument in laboratory settings, enabling scientists to measure and transfer liquids with precision. Its design, usage, and versatility make it a critical component in various scientific experiments. Understanding how to properly use a measuring pipet is essential for anyone involved in laboratory work, as it directly impacts the quality and reliability of experimental results. By mastering the use of this tool, scientists can ensure that their findings contribute to the advancement of knowledge in their respective fields.

在实验室科学的世界中，精确和准确是至关重要的。科学家们用来实现这些品质的基本工具之一是measuring pipet（量筒）。measuring pipet是一种用于测量和转移精确液体体积的实验室仪器。与标准移液管不同，后者通常用于较小的体积并且常常需要熟练的手法，measuring pipet提供了一种更简单、可靠的测量较大液体量的方法，其侧面有标记的刻度。measuring pipet的设计非常独特。它通常具有一个长而细的管子，底端逐渐变尖，这使得液体的倾倒和转移变得容易。measuring pipet侧面的刻度标记使用户能够确定他们希望测量的液体的确切体积。这在实验中尤其重要，因为液体体积的微小偏差可能会导致结果的重大变化。例如，在滴定实验中，试剂的准确测量对于确定溶液的浓度至关重要。使用measuring pipet涉及几个关键步骤以确保准确性。首先，用户必须根据要测量的液体体积选择适当大小的量筒。接下来，使用吸引装置或移液管球将液体吸入量筒，确保没有气泡被困在内部。一旦填满，用户必须在眼平视水平仔细读取液面——由液体表面形成的曲线，以获得准确的测量。测量后，可以通过简单地倾斜量筒将液体倒入另一个容器，从而实现控制倒出。除了在精确体积测量中的作用外，measuring pipet在各种科学应用中也发挥着重要作用。在化学中，例如，它通常用于制备溶液和进行定量分析。在生物学中，measuring pipet可用于稀释样本或在受控实验中混合试剂。它的多功能性使其成为多个科学学科中不可或缺的工具。此外，制造measuring pipets所用的材料可以有所不同，玻璃和塑料是最常见的。玻璃量筒因其耐化学性和耐用性而受到青睐，而塑料量筒则提供了便利性和一次性使用的特点。无论材料如何，正确的清洁和维护对于确保measuring pipet的使用寿命和准确性至关重要。总之，measuring pipet（量筒）是实验室环境中的基本仪器，使科学家能够精确测量和转移液体。它的设计、使用和多功能性使其成为各种科学实验中的关键组成部分。掌握如何正确使用measuring pipet对任何参与实验室工作的人来说都是必不可少的，因为这直接影响到实验结果的质量和可靠性。通过掌握这一工具的使用，科学家们可以确保他们的研究成果为各自领域的知识进步做出贡献。