torsion balance

简明释义

扭秤

英英释义

例句

1.In the laboratory, a torsion balance is essential for precise weight measurements.

在实验室中，扭秤对于精确的重量测量是必不可少的。

2.The scientist used a torsion balance to measure the gravitational force between two masses.

科学家使用扭秤来测量两个质量之间的引力。

3.The torsion balance helped researchers determine the density of various materials.

该扭秤帮助研究人员确定各种材料的密度。

4.Using a torsion balance, we can detect very small forces acting on an object.

使用扭秤，我们可以检测到作用于物体上的非常小的力。

5.The historical experiments with a torsion balance laid the groundwork for modern physics.

使用扭秤进行的历史实验为现代物理学奠定了基础。

作文

The concept of a torsion balance has been pivotal in the field of science, particularly in the realms of physics and engineering. A torsion balance is an instrument used to measure small forces or masses by observing the twisting of a wire or fiber. This device operates on the principle of torsion, where the amount of twist in the wire correlates directly to the force applied. The history of the torsion balance dates back to the late 18th century when it was first developed by scientists like Henry Cavendish. Cavendish utilized the torsion balance to determine the density of the Earth, a groundbreaking achievement that laid the foundation for gravitational studies.Understanding how a torsion balance functions is crucial for appreciating its significance in scientific experimentation. The device typically consists of a horizontal bar suspended from a thin wire. When a mass is placed at one end of the bar, it causes the bar to rotate slightly, twisting the wire. The angle of this twist can be measured and is proportional to the force exerted by the mass. This simple yet effective mechanism allows researchers to conduct precise measurements without the need for bulky equipment.One of the most remarkable applications of the torsion balance is in the measurement of gravitational forces. By carefully calibrating the instrument, scientists can detect minute variations in gravity, which can provide insights into geological formations beneath the Earth's surface. For example, geologists often use torsion balances to explore mineral deposits or study earthquake activity. The ability to measure such small forces with high accuracy makes the torsion balance an invaluable tool in both academic research and practical applications.Moreover, the torsion balance has also found its place in the world of chemistry. It can be employed to measure the molecular weights of substances by analyzing the forces acting on them. This capability is particularly useful in determining the properties of new compounds and understanding their interactions. The precision of the torsion balance allows chemists to make accurate calculations that are essential for developing new materials and pharmaceuticals.Despite the advent of modern technology and digital scales, the torsion balance remains relevant today. Its simplicity and effectiveness continue to inspire innovation in various fields. Researchers are now exploring ways to enhance the design of the torsion balance to improve its sensitivity and range. Additionally, advancements in materials science have led to the development of stronger and more resilient wires, further expanding the capabilities of this classic instrument.In conclusion, the torsion balance is more than just a historical artifact; it is a critical instrument that has shaped our understanding of physical forces and measurements. Its applications span across multiple disciplines, including physics, geology, and chemistry. As we continue to push the boundaries of scientific inquiry, the torsion balance serves as a reminder of the fundamental principles that govern our universe. Embracing both its historical significance and contemporary relevance will ensure that future generations appreciate the ingenuity behind this remarkable device.

扭摆的概念在科学领域中至关重要，特别是在物理学和工程学的领域。torsion balance是一种用于测量小力或质量的仪器，通过观察线或纤维的扭转来实现。这种设备基于扭转的原理，线的扭转量与施加的力直接相关。torsion balance的历史可以追溯到18世纪末，当时科学家亨利·卡文迪什首次开发了它。卡文迪什利用torsion balance来确定地球的密度，这一开创性成就为重力研究奠定了基础。理解torsion balance的工作原理对于欣赏其在科学实验中的重要性至关重要。该设备通常由一个悬挂在细线上水平的杆组成。当在杆的一端放置一个质量时，它会导致杆轻微旋转，扭转线。这种扭转的角度可以被测量，并且与施加的力成正比。这种简单而有效的机制使研究人员能够进行精确的测量，而不需要笨重的设备。torsion balance最显著的应用之一是测量重力。通过仔细校准仪器，科学家可以检测到重力的微小变化，这可以提供关于地球表面下地质结构的见解。例如，地质学家常常使用torsion balances来探索矿藏或研究地震活动。以高精度测量如此小的力使得torsion balance在学术研究和实际应用中都是一种宝贵的工具。此外，torsion balance也在化学领域找到了它的位置。它可以用来通过分析作用于物质上的力来测量物质的分子量。这种能力在确定新化合物的性质和理解它们的相互作用方面尤其有用。torsion balance的精确性使化学家能够进行准确的计算，这对于开发新材料和药物至关重要。尽管现代技术和数字秤的出现，torsion balance今天仍然相关。它的简单性和有效性继续激励各个领域的创新。研究人员现在正在探索增强torsion balance设计的方法，以提高其灵敏度和范围。此外，材料科学的进步导致更强大和更耐用的线的开发，进一步扩展了这一经典仪器的能力。总之，torsion balance不仅仅是一个历史遗物；它是一个关键的仪器，塑造了我们对物理力量和测量的理解。它的应用跨越多个学科，包括物理学、地质学和化学。随着我们继续推动科学探究的边界，torsion balance提醒我们宇宙中支配我们的一切的基本原理。拥抱它的历史意义和当代相关性将确保未来几代人欣赏这一卓越设备背后的创造力。