analytical balance
简明释义
分析天平
英英释义
An analytical balance is a highly sensitive laboratory instrument used to measure mass with high precision, typically to the nearest milligram or microgram. | 分析天平是一种高灵敏度的实验室仪器,通常用于以高精度测量质量,精确到毫克或微克。 |
例句
1.The laboratory technician carefully placed the sample on the analytical balance to record its weight.
实验室技术员小心翼翼地将样品放在分析天平上以记录其重量。
2.In the chemistry lab, we use an analytical balance to measure the precise mass of our reagents.
在化学实验室,我们使用分析天平来精确测量试剂的质量。
3.When conducting experiments, it's crucial to use an analytical balance for weighing samples.
在进行实验时,使用分析天平称量样品是至关重要的。
4.An analytical balance can measure mass with a precision of up to 0.0001 grams.
分析天平可以精确到0.0001克的质量测量。
5.The analytical balance is calibrated regularly to ensure accurate measurements.
为了确保测量的准确性,分析天平会定期校准。
作文
In the field of scientific research and laboratory work, precision is paramount. One of the most essential tools that scientists rely on to achieve accurate measurements is the analytical balance. An analytical balance is a highly sensitive instrument designed to measure mass with a high degree of accuracy, often to the nearest milligram or even microgram. This level of precision is crucial in various applications, including pharmaceuticals, chemistry, and materials science.The operation of an analytical balance involves a delicate mechanism that allows it to detect minute changes in weight. Unlike regular balances, which may provide only approximate measurements, an analytical balance can discern even the slightest variations in mass. This feature is particularly important when dealing with substances that are expensive or hazardous, where even a small error in measurement could lead to significant consequences.One of the primary uses of an analytical balance is in the preparation of chemical solutions. For instance, when creating a solution with a specific concentration, chemists must accurately weigh the solute. If the weight is off, it could result in incorrect concentrations, leading to flawed experiments or products. Therefore, the use of an analytical balance ensures that the correct amount of substance is used, contributing to the reliability of the results.Additionally, an analytical balance is indispensable in quality control processes in manufacturing. Industries such as food and beverages, cosmetics, and pharmaceuticals utilize this equipment to ensure their products meet strict regulatory standards. By measuring raw materials and final products accurately, companies can maintain consistency and quality, which is vital for consumer safety and satisfaction.However, using an analytical balance requires careful handling and calibration. Factors such as air currents, temperature fluctuations, and vibrations can affect the accuracy of the readings. Therefore, it is essential to operate the balance in a controlled environment, often within a draft shield, to minimize external influences. Regular calibration and maintenance are also necessary to ensure that the balance remains accurate over time.Moreover, the advent of technology has led to the development of advanced analytical balances equipped with digital displays and connectivity features. These modern balances can store data, perform statistical analyses, and even connect to computers for further processing. Such advancements not only enhance the ease of use but also improve the overall efficiency of laboratory work.In conclusion, the analytical balance plays a critical role in various scientific and industrial applications. Its ability to provide precise measurements makes it an invaluable tool in research, quality control, and product formulation. As technology continues to evolve, the functionality and capabilities of analytical balances will likely expand, further solidifying their importance in the scientific community. Understanding how to effectively use and maintain an analytical balance is essential for anyone involved in laboratory work, ensuring that they can produce reliable and accurate results in their endeavors.
在科学研究和实验室工作领域,精确性至关重要。科学家们依赖的最基本工具之一就是分析天平。分析天平是一种高灵敏度的仪器,旨在以高度准确性测量质量,通常精确到毫克甚至微克。这种精确度在制药、化学和材料科学等各种应用中至关重要。分析天平的操作涉及一种精细机制,使其能够检测微小的重量变化。与普通天平不同,普通天平可能仅提供近似测量,分析天平可以分辨出质量的微小变化。这一特性在处理昂贵或危险物质时尤其重要,因为即使是微小的测量误差也可能导致重大后果。分析天平的主要用途之一是在化学溶液的制备中。例如,当创建具有特定浓度的溶液时,化学家必须准确称量溶质。如果重量不准确,可能会导致浓度错误,从而导致实验或产品的缺陷。因此,使用分析天平可确保使用正确数量的物质,从而提高结果的可靠性。此外,分析天平在制造业的质量控制过程中也是不可或缺的。食品和饮料、化妆品和制药等行业利用这种设备确保其产品符合严格的监管标准。通过准确测量原材料和最终产品,公司可以保持一致性和质量,这对消费者的安全和满意度至关重要。然而,使用分析天平需要仔细处理和校准。空气流动、温度波动和振动等因素都会影响读数的准确性。因此,必须在受控环境中操作天平,通常在防风罩内,以最小化外部影响。定期校准和维护也是确保天平随时间保持准确的必要条件。此外,技术的发展导致了先进的分析天平的出现,这些天平配备了数字显示屏和连接功能。这些现代天平可以存储数据、执行统计分析,甚至与计算机连接以进行进一步处理。这些进步不仅提高了使用的便利性,还改善了实验室工作的整体效率。总之,分析天平在各种科学和工业应用中发挥着关键作用。它提供精确测量的能力使其成为研究、质量控制和产品配方中不可或缺的工具。随着技术的不断发展,分析天平的功能和能力可能会进一步扩展,从而进一步巩固其在科学界的重要性。有效理解和使用分析天平对于任何参与实验室工作的人来说都是必不可少的,确保他们能够在努力中产生可靠和准确的结果。