hydrometer scale

简明释义

液体比重计刻度

英英释义

例句

1.To measure the specific gravity of a liquid, you need to consult the hydrometer scale (比重计刻度) on the hydrometer.

要测量液体的比重，您需要参考比重计上的hydrometer scale（比重计刻度）。

2.In a science lab, students learn to read the hydrometer scale (比重计刻度) for various solutions.

在科学实验室中，学生学习读取各种溶液的hydrometer scale（比重计刻度）。

3.Checking the hydrometer scale (比重计刻度) can indicate if a solution is too concentrated.

检查hydrometer scale（比重计刻度）可以指示溶液是否过于浓缩。

4.When brewing beer, the hydrometer scale (比重计刻度) helps determine the alcohol content.

在酿造啤酒时，hydrometer scale（比重计刻度）有助于确定酒精含量。

5.The hydrometer scale (比重计刻度) is essential for winemakers to ensure proper fermentation.

对于酿酒师来说，hydrometer scale（比重计刻度）对于确保适当发酵至关重要。

作文

In the world of science and measurement, various tools and instruments are utilized to quantify different properties of substances. One such instrument is the hydrometer, which is specifically designed to measure the density or specific gravity of liquids. The hydrometer scale is an essential component of this device, providing a graduated measurement system that allows users to interpret the readings accurately. Understanding the hydrometer scale is crucial for anyone working in fields such as chemistry, brewing, or even environmental science.The hydrometer scale typically consists of a series of markings along the stem of the hydrometer, each representing a specific density value. When the hydrometer is placed in a liquid, it floats at a level that corresponds to the density of that liquid. The point at which the surface of the liquid touches the hydrometer scale indicates the specific gravity of the liquid being measured. This principle is based on Archimedes' principle, which states that an object submerged in a fluid experiences a buoyant force equal to the weight of the fluid displaced.Different liquids have different densities, so the hydrometer scale must be calibrated accordingly. For example, water has a density of 1.0 g/cm³ at 4 degrees Celsius, which is often used as a reference point. When measuring liquids with a density greater than water, the hydrometer will float higher, and the reading on the hydrometer scale will be lower than 1.0. Conversely, if the liquid is less dense than water, the hydrometer will float lower, resulting in a reading above 1.0.In practical applications, the hydrometer scale plays a significant role in various industries. In brewing, for instance, brewers use a hydrometer to determine the sugar content of their wort before fermentation. This information is vital for predicting the alcohol content of the final product. Similarly, winemakers rely on the hydrometer scale to monitor the fermentation process and ensure that the wine reaches the desired sweetness and alcohol levels.Environmental scientists also utilize the hydrometer scale when analyzing water quality. By measuring the specific gravity of water samples, they can infer the presence of dissolved solids, pollutants, or other substances that may affect aquatic ecosystems. This data is essential for maintaining healthy water sources and ensuring compliance with environmental regulations.Furthermore, understanding how to read and interpret the hydrometer scale is not only important for professionals but also for hobbyists and students engaging in scientific experiments. Learning to use a hydrometer fosters a deeper appreciation for the principles of density and buoyancy, as well as the scientific method itself.In conclusion, the hydrometer scale is a vital aspect of the hydrometer, serving as a measurement guide for determining the density of liquids. Its applications span across various fields, from brewing and winemaking to environmental science. Gaining proficiency in using the hydrometer scale empowers individuals to make informed decisions based on quantitative data, enhancing their understanding of the physical properties of liquids. Whether in a professional setting or a classroom, mastering the hydrometer scale is a valuable skill that contributes to scientific literacy and practical knowledge.

在科学和测量的世界中，各种工具和仪器被用来量化物质的不同属性。其中一种仪器是比重计，它专门用于测量液体的密度或比重。比重计刻度是该设备的重要组成部分，提供了一种分级测量系统，使用户能够准确解读读数。理解比重计刻度对任何在化学、酿酒甚至环境科学领域工作的人来说都是至关重要的。比重计刻度通常由比重计杆上的一系列标记组成，每个标记代表一个特定的密度值。当比重计放置在液体中时，它会浮到一个与该液体密度相对应的水平。液面与比重计刻度接触的点指示了被测液体的比重。这个原理基于阿基米德原理，该原理指出，浸没在流体中的物体受到的浮力等于所排开流体的重量。不同的液体具有不同的密度，因此比重计刻度必须相应地进行校准。例如，水在4摄氏度时的密度为1.0克/立方厘米，这通常被用作参考点。当测量比水密度更大的液体时，比重计会浮得更高，比重计刻度上的读数将低于1.0。相反，如果液体的密度小于水，则比重计会浮得更低，导致读数高于1.0。在实际应用中，比重计刻度在各个行业中发挥着重要作用。例如，在酿酒中，酿酒师使用比重计来确定发酵前麦芽汁的糖分含量。这些信息对于预测最终产品的酒精含量至关重要。同样，酿酒师依靠比重计刻度来监测发酵过程，确保葡萄酒达到所需的甜度和酒精水平。环境科学家在分析水质时也利用比重计刻度。通过测量水样的比重，他们可以推断出溶解固体、污染物或其他可能影响水生生态系统的物质的存在。这些数据对于维护健康的水源和确保遵守环境法规至关重要。此外，理解如何读取和解释比重计刻度不仅对专业人士重要，也对参与科学实验的爱好者和学生至关重要。学习使用比重计培养了对密度和浮力原理以及科学方法本身的更深刻理解。总之，比重计刻度是比重计的一个重要方面，作为测量液体密度的指南。它的应用跨越多个领域，从酿酒和葡萄酒酿造到环境科学。掌握使用比重计刻度的能力使个人能够根据定量数据做出明智的决策，增强他们对液体物理性质的理解。无论是在专业环境还是在课堂上，掌握比重计刻度是一项宝贵的技能，有助于科学素养和实践知识的提升。