analytical balance

简明释义

分析天平

英英释义

例句

1.When performing titrations, it's essential to use an analytical balance for accurate measurements.

在进行滴定时，使用分析天平进行准确测量是必不可少的。

2.For pharmaceutical research, an analytical balance is crucial for formulating drug dosages.

在制药研究中，分析天平对于制定药物剂量至关重要。

3.The analytical balance must be calibrated regularly to ensure its accuracy.

必须定期校准分析天平以确保其准确性。

4.In the chemistry lab, we use an analytical balance to measure precise quantities of reagents.

在化学实验室，我们使用分析天平来测量精确的试剂数量。

5.Using an analytical balance allows scientists to achieve results with a high degree of precision.

使用分析天平可以让科学家获得高精度的结果。

作文

An analytical balance is a highly sensitive instrument used primarily in laboratories for measuring the mass of substances with great precision. Unlike standard balances, an analytical balance is designed to measure small quantities of material, often down to the milligram or even microgram level. This capability makes it essential for various scientific applications, including chemistry, biology, and materials science.The design of an analytical balance is quite sophisticated. It typically features a draft shield to prevent air currents from affecting the measurement. This is crucial because even the slightest breeze can alter the weight reading, leading to inaccurate results. Additionally, many modern analytical balances are equipped with electronic displays that provide clear and immediate readings, along with features such as tare functions, which allow users to zero out the weight of containers.In a typical laboratory setting, the process of using an analytical balance begins with calibration. Calibration is vital to ensure accuracy, and it usually involves using certified weights to adjust the balance. Once calibrated, the user can place a sample on the weighing pan, ensuring that it is properly centered. The balance will then display the mass of the sample, allowing researchers to record their findings.The importance of an analytical balance cannot be overstated. In research and development, precise measurements are critical for achieving reliable results. For instance, in pharmaceutical research, the formulation of drugs requires exact quantities of active ingredients to ensure efficacy and safety. Any deviation in measurement can lead to ineffective or potentially harmful products. Similarly, in chemical experiments, the stoichiometry of reactions relies on accurate mass measurements to predict yields and outcomes.Moreover, an analytical balance plays a significant role in quality control processes in manufacturing. Industries that produce chemicals, food, and pharmaceuticals must adhere to strict regulations regarding product composition. An analytical balance helps ensure that the correct amounts of ingredients are used, maintaining consistency and compliance with industry standards.Despite its advantages, using an analytical balance requires careful technique. Users must avoid touching the pan with their fingers, as oils and residues can affect the weight. Additionally, environmental factors such as temperature and humidity can influence measurements, so it is important to maintain a stable working environment.In conclusion, the analytical balance is an indispensable tool in scientific research and industrial applications. Its ability to provide precise measurements enables researchers and manufacturers to achieve accurate results, which is vital for innovation and safety. As technology continues to advance, the functionality and capabilities of analytical balances are likely to improve, further enhancing their role in scientific inquiry and production processes.

分析天平是一种高灵敏度仪器，主要用于实验室中以极高的精度测量物质的质量。与标准天平不同，分析天平设计用于测量小量材料，通常可以精确到毫克甚至微克级别。这种能力使其在化学、生物学和材料科学等各种科学应用中至关重要。分析天平的设计相当复杂。它通常配备有防风罩，以防止气流影响测量结果。这一点至关重要，因为即使是微小的气流也会改变重量读数，从而导致不准确的结果。此外，许多现代分析天平还配备有电子显示屏，提供清晰和即时的读数，以及诸如去皮功能等特点，允许用户将容器的重量归零。在典型的实验室环境中，使用分析天平的过程始于校准。校准对于确保准确性至关重要，通常涉及使用认证的砝码来调整天平。一旦校准完成，用户可以将样品放置在称量盘上，确保其正确居中。然后，天平将显示样品的质量，允许研究人员记录他们的发现。分析天平的重要性不容小觑。在研发过程中，精确的测量对于获得可靠的结果至关重要。例如，在制药研究中，药物的配方需要精确的活性成分数量，以确保有效性和安全性。任何测量上的偏差都可能导致无效或潜在有害的产品。同样，在化学实验中，反应的化学计量依赖于准确的质量测量，以预测产率和结果。此外，分析天平在制造业的质量控制过程中也发挥着重要作用。生产化学品、食品和药品的行业必须遵守有关产品成分的严格规定。分析天平有助于确保使用正确的成分量，从而保持一致性并符合行业标准。尽管有其优点，但使用分析天平需要谨慎的技巧。用户必须避免用手指触摸称量盘，因为油脂和残留物会影响重量。此外，温度和湿度等环境因素也会影响测量，因此保持稳定的工作环境非常重要。总之，分析天平是科学研究和工业应用中不可或缺的工具。它提供精确测量的能力使研究人员和制造商能够获得准确的结果，这对创新和安全至关重要。随着技术的不断进步，分析天平的功能和能力可能会进一步改善，从而进一步增强其在科学探索和生产过程中的作用。