graduated pipet

简明释义

莫尔吸量管

英英释义

例句

1.To measure precise volumes of liquid, use a graduated pipet.

要测量精确的液体体积，请使用量筒式移液管。

2.Using a graduated pipet, you can easily dispense small amounts of reagents.

使用量筒式移液管，您可以轻松分配少量试剂。

3.Before starting the experiment, make sure your graduated pipet is clean.

在开始实验之前，请确保您的量筒式移液管是干净的。

4.In the lab, a graduated pipet is essential for accurate liquid transfers.

在实验室中，量筒式移液管对于准确的液体转移是必不可少的。

5.The chemist filled the graduated pipet to the desired mark.

化学家将量筒式移液管装满至所需刻度。

作文

In the world of laboratory work, precision is paramount. One of the essential tools that scientists and researchers use to ensure accuracy in their measurements is the graduated pipet. A graduated pipet (刻度吸管) is a laboratory instrument that allows for the precise transfer of liquids from one container to another. It is marked with graduation lines that indicate various volume measurements, making it easier for users to measure exact amounts of liquid needed for experiments.The graduated pipet comes in various sizes and can be made of glass or plastic. The choice between glass and plastic often depends on the specific requirements of the experiment. Glass pipets are generally more durable and can be cleaned easily, while plastic pipets are often disposable and may be preferred for certain types of experiments where contamination must be avoided.Using a graduated pipet requires proper technique to achieve accurate results. First, the user must select the appropriate pipet size for the volume of liquid they need to transfer. Once the correct pipet is chosen, the user should ensure that it is clean and free from any previous contaminants.To fill the graduated pipet, the user typically uses a pipet bulb or a pipetting device. This allows for the liquid to be drawn into the pipet without introducing air bubbles, which could lead to inaccurate measurements. After filling the pipet, the user must carefully check the meniscus, the curve at the surface of the liquid, to ensure that it aligns with the desired graduation mark. This step is crucial because even a slight misreading can result in significant errors in the experiment.Once the liquid is measured accurately, the graduated pipet can be used to dispense the liquid into another container. It is important to release the liquid slowly and steadily to avoid splashing or spilling, which could also affect the measurement. After use, the pipet should be cleaned thoroughly to prevent cross-contamination in future experiments.The importance of the graduated pipet extends beyond just its functionality; it also embodies the principles of scientific accuracy and reliability. In fields such as chemistry, biology, and medicine, where precise measurements can impact research outcomes or product formulations, the use of a graduated pipet is indispensable. Researchers rely on this tool to conduct experiments that require exact volumes of reagents, ensuring that their results are valid and reproducible.In conclusion, the graduated pipet (刻度吸管) is a vital instrument in any laboratory setting. Understanding how to use it correctly and effectively is essential for anyone involved in scientific research. Whether you are a seasoned scientist or a student just beginning your journey in the lab, mastering the use of the graduated pipet will enhance your ability to conduct precise and reliable experiments. As science continues to evolve, the graduated pipet remains a fundamental tool that supports the pursuit of knowledge and discovery in various fields.

在实验室工作中，精确是至关重要的。科学家和研究人员使用的一种基本工具是graduated pipet（刻度吸管），它能确保测量的准确性。graduated pipet是一种实验室仪器，可以将液体精确地从一个容器转移到另一个容器。它上面标有刻度线，指示不同的体积测量，使用户更容易测量实验所需的确切液体量。graduated pipet有多种尺寸，可以由玻璃或塑料制成。选择玻璃或塑料通常取决于实验的具体要求。玻璃吸管通常更耐用且易于清洗，而塑料吸管则常常是一次性的，可能在某些需要避免污染的实验中更受欢迎。使用graduated pipet需要正确的技巧，以实现准确的结果。首先，用户必须选择适合所需液体体积的吸管大小。一旦选择了正确的吸管，用户应确保其干净且没有任何先前的污染物。要填充graduated pipet，用户通常使用吸管球或吸液装置。这可以使液体被抽入吸管，而不会引入气泡，这可能导致测量不准确。填充后，用户必须仔细检查液体的弯月面，即液体表面的曲线，以确保其与所需的刻度线对齐。这一步至关重要，因为即使是轻微的误读也会导致实验中出现重大错误。一旦液体准确测量，graduated pipet就可以用于将液体分配到另一个容器中。重要的是要缓慢而稳当地释放液体，以避免溅出或洒出，这也可能影响测量。使用后，吸管应彻底清洗，以防止未来实验中的交叉污染。graduated pipet的重要性不仅在于其功能，它还体现了科学准确性和可靠性的原则。在化学、生物学和医学等领域，精确的测量可能影响研究结果或产品配方，因此使用graduated pipet是不可或缺的。研究人员依赖这个工具进行需要确切试剂体积的实验，从而确保他们的结果是有效且可重复的。总之，graduated pipet（刻度吸管）是任何实验室环境中不可或缺的工具。理解如何正确有效地使用它对于任何参与科学研究的人都是至关重要的。无论你是经验丰富的科学家还是刚开始实验室旅程的学生，掌握graduated pipet的使用都将增强你进行精确可靠实验的能力。随着科学的不断发展，graduated pipet仍然是支持各个领域知识和发现追求的基本工具。