piezoelectric effect

简明释义

压电效应

英英释义

例句

1.The piezoelectric effect is crucial in the functioning of ultrasound imaging devices.

在超声成像设备的工作中，压电效应至关重要。

2.In many watches, the piezoelectric effect helps to keep accurate time by powering the quartz movement.

在许多手表中，压电效应通过为石英运动提供动力来保持准确的时间。

3.Researchers are exploring the piezoelectric effect for energy harvesting from vibrations in buildings.

研究人员正在探索从建筑物振动中收集能量的压电效应。

4.The sensors in modern smartphones often rely on the piezoelectric effect to detect touch input.

现代智能手机中的传感器通常依赖于压电效应来检测触摸输入。

5.The piezoelectric effect is utilized in microphones to convert sound waves into electrical signals.

在麦克风中利用压电效应将声波转换为电信号。

作文

The piezoelectric effect is a fascinating phenomenon that occurs in certain materials when they are subjected to mechanical stress. This effect enables the conversion of mechanical energy into electrical energy, and vice versa. The term 'piezoelectric' is derived from the Greek word 'piezein', which means to press or squeeze. Materials that exhibit the piezoelectric effect include quartz, certain ceramics, and some polymers. These materials have unique crystalline structures that allow them to generate an electric charge when they are deformed. One of the most common applications of the piezoelectric effect is in the production of sensors and actuators. For instance, piezoelectric sensors are used in various devices to measure pressure, force, and acceleration. When pressure is applied to a piezoelectric sensor, it generates an electrical signal that can be measured and analyzed. This principle is widely utilized in automotive applications, where piezoelectric sensors play a crucial role in airbag deployment systems, ensuring passenger safety during collisions.Another significant application of the piezoelectric effect is in the field of energy harvesting. Researchers have been investigating ways to harness the energy generated by everyday activities, such as walking or driving. By embedding piezoelectric materials in flooring or roadways, it is possible to capture the mechanical energy produced by footsteps or vehicles and convert it into usable electrical energy. This innovative approach not only provides a renewable energy source but also contributes to the development of sustainable technologies.In addition to sensors and energy harvesting, the piezoelectric effect is also utilized in medical ultrasound equipment. Ultrasound machines use piezoelectric crystals to generate sound waves that penetrate the body, allowing for non-invasive imaging of internal organs. The ability of these crystals to convert electrical signals into mechanical vibrations and vice versa is essential for producing high-quality images, making this technology invaluable in modern medicine.Moreover, the piezoelectric effect has implications in telecommunications. Piezoelectric materials are used in the construction of filters and oscillators that are critical for signal processing in mobile phones and other communication devices. The precision and reliability of these components significantly enhance the performance of electronic systems, enabling clearer voice transmission and data transfer.In conclusion, the piezoelectric effect is a remarkable phenomenon that has a wide range of applications across various fields, including sensors, energy harvesting, medical imaging, and telecommunications. As research continues to advance, the potential uses of piezoelectric materials may expand even further, leading to innovative solutions that improve our daily lives. Understanding the piezoelectric effect not only highlights the intersection of physics and engineering but also underscores the importance of exploring new materials and technologies to address contemporary challenges. The future of piezoelectric applications looks promising, and it will be exciting to see how this technology evolves in the coming years.

压电效应是一个引人入胜的现象，发生在某些材料在受到机械应力时。这种效应使机械能转化为电能，反之亦然。‘压电’一词源于希腊语‘piezein’，意为施压或挤压。表现出压电效应的材料包括石英、某些陶瓷和一些聚合物。这些材料具有独特的晶体结构，使它们在变形时能够产生电荷。压电效应最常见的应用之一是在传感器和执行器的生产中。例如，压电传感器被用于各种设备中，以测量压力、力和加速度。当压力施加到压电传感器上时，它会产生一个可以被测量和分析的电信号。这个原理在汽车应用中被广泛利用，压电传感器在安全气囊部署系统中发挥着至关重要的作用，确保碰撞时乘客的安全。压电效应的另一个重要应用是在能量收集领域。研究人员一直在探索如何利用日常活动中产生的能量，例如走路或驾驶。通过将压电材料嵌入地板或路面，可以捕捉到脚步或车辆产生的机械能，并将其转化为可用的电能。这种创新的方法不仅提供了可再生的能源来源，还促进了可持续技术的发展。除了传感器和能量收集，压电效应还在医疗超声设备中得到了应用。超声机器使用压电晶体生成穿透身体的声波，从而实现对内部器官的非侵入性成像。这些晶体将电信号转化为机械振动的能力对于产生高质量图像至关重要，使这项技术在现代医学中不可或缺。此外，压电效应在电信领域也有重要意义。压电材料被用于构建过滤器和振荡器，这些都是移动电话和其他通信设备中信号处理的重要组成部分。这些组件的精确性和可靠性显著提高了电子系统的性能，从而实现更清晰的语音传输和数据传输。总之，压电效应是一个显著的现象，在传感器、能量收集、医学成像和电信等多个领域都有广泛的应用。随着研究的不断推进，压电材料的潜在用途可能进一步扩大，带来创新的解决方案，改善我们的日常生活。理解压电效应不仅突显了物理与工程的交叉，也强调了探索新材料和技术以应对当代挑战的重要性。压电应用的未来看起来充满希望，看到这一技术在未来几年的发展将是令人兴奋的。