pipette

简明释义

英[pɪˈpet]美[paɪˈpet]

n. 移液管；吸移管

vt. 用移液器吸取

复 数 p i p e t t e s

第 三 人 称 单 数 p i p e t t e s

现 在 分 词 p i p e t t i n g

过 去 式 p i p e t t e d

过 去 分 词 p i p e t t e d

英英释义

单词用法

同义词

反义词

例句

1.The excess could be siphoned off or removed with a pipette.

过剩样品可以虹吸出或者用移液管将其除去。

2.Transfers of liquid cultures can also be made by pipette.

移植液体培养物可采用吸管。

3.Pipette (to drop water into pool).

吸液管(用以将水滴入池中)。

4.The valve is also capable of placing the second chamber in fluid communication with the first chamber to provide a second volume range of the multivolume pipette.

阀门也能够将第二腔设置成与第一腔流体连通，以提供多容积移液管的第二容积范围。

5.A design scheme is proposed for commercialization of pipette pullers.

最后提出了拉针器商品化的设计方案。

6.The experimenter sucked up 20 cc of acid into a pipette.

这位试验者将20毫升的酸液吸入吸量管中。

7.A facile and low-cost method was reported for fabricating carbon fiber microelectrodes with micro pipette tips.

本文报道利用微量移液枪头制备碳纤维微电极。

8.The baby died at home on 21 December, apparently after being given a dose of the substance orally through a plastic pipette.

12月21日，婴儿通过塑料移液管口服一定剂量的药物后在家中死亡。

9.Grasp the flask, pipette the correct operation.

掌握容量瓶、移液管的正确操作。

10.The lab technician demonstrated how to use a pipette properly.

实验室技术员演示了如何正确使用移液管。

11.Using a pipette allows for precise measurement of small volumes.

使用移液管可以精确测量小体积。

12.Make sure to calibrate the pipette before starting your experiment.

在开始实验之前，请确保校准移液管。

13.The scientist carefully used a pipette to transfer the liquid to the test tube.

科学家小心地使用移液管将液体转移到试管中。

14.She filled the pipette with the blue dye for the experiment.

她用蓝色染料填充了移液管以进行实验。

作文

In the world of science, precision is crucial. One of the essential tools that scientists use to ensure accuracy in their experiments is the pipette. A pipette (移液管) is a laboratory instrument that allows for the transfer of small volumes of liquid with great precision. It is commonly used in chemistry, biology, and medical laboratories for various applications, including preparing solutions, diluting samples, and performing assays. The importance of the pipette cannot be overstated, as it plays a significant role in ensuring that experimental results are reliable and reproducible.There are different types of pipettes, including manual and electronic versions. Manual pipettes require the user to operate them by hand, while electronic pipettes automate the process, allowing for even greater precision and ease of use. Regardless of the type, the basic principle of a pipette involves creating a vacuum to draw liquid into a tube and then releasing it to dispense the exact amount needed. This functionality makes the pipette an indispensable tool for researchers.One of the most common uses of a pipette is in the preparation of solutions. For instance, when a scientist needs to create a specific concentration of a chemical solution, they will often use a pipette to measure out the precise volume of solvent and solute required. This level of accuracy is vital because even a slight deviation in the amounts can lead to significant errors in the experiment's outcome.Moreover, the pipette is also crucial in the field of medical testing. In clinical laboratories, pipettes are used to handle blood samples, reagents, and other fluids. Accurate measurements are critical in these scenarios as they can directly impact patient diagnosis and treatment. A mistake in the volume transferred could result in misdiagnosis or incorrect treatment plans, highlighting the importance of using a pipette correctly.The operation of a pipette may seem straightforward, but it requires proper technique and training. Users must be aware of factors such as the temperature of the liquid, the viscosity, and the presence of bubbles, as these can all affect the accuracy of the measurements. To achieve the best results, it is important to hold the pipette vertically and to immerse the tip just below the surface of the liquid without touching the bottom of the container.In conclusion, the pipette (移液管) is a fundamental tool in scientific research and medical testing, providing the precision necessary for accurate measurements. Its versatility and importance in various fields underscore the need for proper training and understanding of how to use it effectively. As technology advances, we can expect improvements in pipette design and functionality, further enhancing the capabilities of scientists and researchers worldwide. The pipette remains a symbol of accuracy and reliability in the laboratory, making it a vital instrument in the quest for knowledge and discovery.