specific gravity bottle

简明释义

比重瓶

英英释义

例句

1.The technician carefully filled the specific gravity bottle（比重瓶） with the sample fluid.

技术员小心地将样品液体倒入specific gravity bottle（比重瓶）中.

2.After filling the specific gravity bottle（比重瓶）, we allowed it to settle before taking measurements.

在填充specific gravity bottle（比重瓶）后，我们让它静置一段时间再进行测量.

3.In the laboratory, the specific gravity bottle（比重瓶） is essential for determining the specific gravity of various solutions.

在实验室中，specific gravity bottle（比重瓶）对于确定各种溶液的比重是必不可少的.

4.To measure the density of the liquid, we used a specific gravity bottle（比重瓶）.

为了测量液体的密度，我们使用了一个specific gravity bottle（比重瓶）.

5.The specific gravity bottle（比重瓶） must be calibrated regularly to ensure accurate readings.

为了确保读数准确，specific gravity bottle（比重瓶）必须定期校准.

作文

In the world of science, precise measurements and accurate data are crucial for conducting experiments and drawing valid conclusions. One essential instrument that plays a significant role in determining the density of liquids is the specific gravity bottle. A specific gravity bottle is a specialized container used in laboratories to measure the specific gravity of various liquids. Specific gravity, which is the ratio of the density of a substance to the density of a reference substance (usually water), provides valuable information about the properties of the liquid being tested.The design of a specific gravity bottle is quite unique. It typically has a narrow neck and a bulbous body, allowing for precise filling and minimizing the amount of liquid needed for measurement. The bottle is usually made of glass or high-quality plastic to ensure durability and clarity. To use a specific gravity bottle, one must first clean it thoroughly to eliminate any contaminants that could affect the results. After drying, the bottle is filled with the liquid sample up to a marked level, ensuring that no air bubbles remain inside.Once filled, the next step involves weighing the specific gravity bottle with the liquid inside. This weight is recorded, and then the bottle is emptied and cleaned again. Next, the bottle is filled with a reference liquid, typically distilled water, and weighed once more. By using these two weights, the specific gravity of the original liquid can be calculated using the formula: specific gravity = weight of liquid / weight of water. This method allows scientists and researchers to determine the specific gravity accurately, which can be crucial for various applications, such as quality control in industries like food and beverage, pharmaceuticals, and chemical manufacturing.Understanding the significance of a specific gravity bottle goes beyond just knowing how to use it; it also involves recognizing its applications in real-world scenarios. For instance, in the field of environmental science, the specific gravity of water samples can indicate the presence of pollutants or contaminants. A higher specific gravity than normal may suggest that heavy metals or other hazardous materials are present in the water, prompting further investigation and remediation efforts.In addition to environmental studies, the specific gravity bottle is invaluable in the field of geology. Geologists often analyze rock and mineral samples to determine their specific gravities, which can provide insights into their composition and formation processes. This information is essential for understanding geological formations and the distribution of natural resources.Furthermore, the specific gravity bottle is widely used in educational settings to teach students about the principles of density and buoyancy. Through hands-on experiments, students can visualize the concept of specific gravity and gain a deeper appreciation for the scientific method. By measuring the specific gravity of different liquids, they can observe how various factors, such as temperature and solute concentration, influence density.In conclusion, the specific gravity bottle is an indispensable tool in many scientific fields, providing accurate measurements that are critical for research and industry. Its straightforward design and ease of use make it accessible for both professional scientists and students alike. Understanding how to utilize a specific gravity bottle effectively not only enhances one's laboratory skills but also fosters a greater understanding of the physical properties of liquids. As science continues to advance, the importance of precise measurement instruments like the specific gravity bottle will undoubtedly remain paramount in our quest for knowledge and innovation.

在科学的世界里，精确的测量和准确的数据对于进行实验和得出有效的结论至关重要。用于确定液体密度的一个重要工具是比重瓶。比重瓶是一种专门的容器，通常在实验室中用于测量各种液体的比重。比重是物质的密度与参考物质（通常是水）的密度之比，它提供了有关被测试液体特性的重要信息。比重瓶的设计非常独特。它通常具有狭窄的颈部和球形的主体，便于精确填充，并最小化所需液体的量。瓶子通常由玻璃或高质量塑料制成，以确保耐用性和清晰度。使用比重瓶时，首先必须彻底清洁，以消除可能影响结果的任何污染物。在干燥后，将瓶子填充到标记的水平，确保内部没有气泡。一旦填充，下一步就是称量装有液体的比重瓶。记录下这个重量，然后将瓶子清空并再次清洗。接下来，用参考液体（通常是蒸馏水）填满瓶子，然后再称一次。通过使用这两个重量，可以使用公式：比重 = 液体重量 / 水的重量来计算原始液体的比重。这种方法使科学家和研究人员能够准确地确定比重，这对食品和饮料、制药和化学制造等行业的质量控制等各种应用至关重要。了解比重瓶的重要性不仅仅是知道如何使用它；还涉及到认识到它在现实场景中的应用。例如，在环境科学领域，水样的比重可以指示污染物或污染物的存在。比重高于正常值可能表明水中存在重金属或其他危险材料，从而促使进一步调查和修复工作。除了环境研究外，比重瓶在地质学领域也极为宝贵。地质学家经常分析岩石和矿物样本以确定其比重，这可以提供关于其成分和形成过程的见解。这些信息对于理解地质构造和自然资源的分布至关重要。此外，比重瓶在教育环境中广泛使用，以教授学生关于密度和浮力的原理。通过动手实验，学生可以直观地理解比重的概念，并更深入地理解科学方法。通过测量不同液体的比重，他们可以观察温度和溶质浓度等各种因素如何影响密度。总之，比重瓶是许多科学领域中不可或缺的工具，提供的准确测量对于研究和工业至关重要。其简单的设计和易用性使其对专业科学家和学生都很容易接触。有效利用比重瓶不仅增强了实验室技能，还促进了对液体物理特性的更深刻理解。随着科学的不断进步，像比重瓶这样的精确测量仪器的重要性无疑将在我们追求知识和创新的过程中保持至关重要。