hydrometer with pipette

简明释义

带吸量管的液体比重计

英英释义

例句

1.To measure the specific gravity of the liquid, we used a hydrometer with pipette.

为了测量液体的比重，我们使用了一个带吸管的比重计。

2.The chemistry lab was equipped with several hydrometers with pipettes for accurate measurements.

化学实验室配备了几个带吸管的比重计以便进行准确测量。

3.In our physics experiment, we utilized a hydrometer with pipette to determine the buoyancy of different liquids.

在我们的物理实验中，我们利用一个带吸管的比重计来确定不同液体的浮力。

4.When brewing beer, it's essential to use a hydrometer with pipette to check the fermentation progress.

在酿造啤酒时，使用一个带吸管的比重计来检查发酵进度是很重要的。

5.After adding the solution, I carefully measured the density using a hydrometer with pipette.

在添加溶液后，我小心地使用一个带吸管的比重计测量密度。

作文

A hydrometer is an instrument used to measure the specific gravity or density of liquids. It consists of a graduated glass tube with a weighted bottom that allows it to float upright in a liquid. The specific gravity can be read directly from the scale on the hydrometer, which indicates how dense the liquid is compared to water. When combined with a pipette, the functionality and versatility of this tool are greatly enhanced. A hydrometer with pipette (带有移液管的比重计) allows for precise measurements of liquid samples, making it invaluable in various fields such as chemistry, brewing, and winemaking.The use of a pipette with a hydrometer enables the user to transfer small amounts of liquid accurately. This is particularly important when working with precious or limited samples where every drop counts. The pipette can be used to draw up a sample of the liquid to be tested, which can then be placed into a container where the hydrometer is situated. This method ensures that the measurement is taken without introducing air bubbles, which could affect the accuracy of the reading.In the context of brewing, for instance, a hydrometer with pipette (带有移液管的比重计) is essential for monitoring the fermentation process. Brewers need to know the specific gravity of their wort before fermentation begins and at various stages during fermentation. By using a pipette, they can easily extract a sample of the wort without disturbing the entire batch. After measuring the specific gravity with the hydrometer, brewers can determine the potential alcohol content of the beer and make necessary adjustments to the brewing process.Similarly, in winemaking, the hydrometer with pipette (带有移液管的比重计) plays a crucial role in ensuring the quality of the wine. Winemakers frequently check the specific gravity of grape juice before fermentation to understand the sugar content, which directly influences the final alcohol level and sweetness of the wine. By utilizing the pipette to take samples from different barrels or tanks, winemakers can maintain consistency and quality across their production.In addition to brewing and winemaking, laboratories also benefit from the use of a hydrometer with pipette (带有移液管的比重计). In chemical experiments, it is often required to measure the density of various solutions. The precision offered by the pipette ensures that the correct amount of solution is used, leading to more accurate experimental results. Researchers can analyze the properties of substances more effectively, contributing to advancements in scientific knowledge.Overall, the combination of a hydrometer and a pipette significantly enhances the accuracy and efficiency of liquid measurement. The hydrometer with pipette (带有移液管的比重计) is a powerful tool that serves multiple purposes across different industries. Whether in brewing, winemaking, or scientific research, this instrument provides users with the means to achieve precise measurements, ultimately leading to better outcomes in their respective fields. As technology continues to advance, the hydrometer's design may evolve, but its fundamental principles will remain vital to those who rely on accurate liquid density measurements.