static electricity
简明释义
静电
英英释义
Static electricity is a stationary electric charge that is built up on the surface of objects, typically as a result of friction. | 静电是指由于摩擦等原因,积聚在物体表面上的静止电荷。 |
例句
1.Touching a metal doorknob after shuffling your feet can give you a shock from static electricity.
在移动脚步后触摸金属门把手可能会因静电而受到电击。
2.The static electricity from your clothes can cause them to cling to your skin.
衣服上的静电会导致它们粘附在你的皮肤上。
3.You can discharge static electricity by touching a grounded object.
通过触摸接地物体可以释放静电。
4.In dry winter months, static electricity becomes more noticeable.
在干燥的冬季,静电变得更加明显。
5.When you walk on a carpet, you may build up static electricity.
当你在地毯上走时,你可能会积累静电。
作文
Static electricity is a fascinating phenomenon that occurs when there is an imbalance of electric charges within or on the surface of a material. This imbalance can lead to a variety of interesting effects, such as the ability to attract lightweight objects or cause small shocks when touching certain surfaces. Understanding static electricity (静电) is essential not only in physics but also in everyday life, as it plays a significant role in many common occurrences.One of the most common examples of static electricity (静电) can be observed during dry winter months. When you walk across a carpeted floor and then touch a metal doorknob, you might feel a small shock. This happens because your body has accumulated excess electrons, creating a negative charge. When you touch the doorknob, the excess electrons discharge, resulting in that brief but startling jolt. This is a classic demonstration of how static electricity (静电) can lead to noticeable physical sensations.The science behind static electricity (静电) involves the transfer of electrons between materials. When two different materials come into contact, electrons can move from one material to another, depending on their respective electron affinities. For instance, rubbing a balloon against your hair can transfer electrons from your hair to the balloon, giving the balloon a negative charge and leaving your hair positively charged. This is why the balloon can stick to walls or lift small pieces of paper after being rubbed on your hair.In industrial settings, static electricity (静电) can pose significant risks. Flammable materials can ignite due to sparks generated by static discharges. Therefore, industries often employ grounding techniques and use anti-static materials to mitigate these risks. Understanding the principles of static electricity (静电) is crucial for ensuring safety in environments where combustible substances are present.Moreover, static electricity (静电) is not only a nuisance but can also be harnessed for beneficial purposes. For example, photocopiers and laser printers utilize the principles of static electricity (静电) to attract toner particles to paper. The process involves charging the drum of the copier and then using static electricity (静电) to transfer the toner onto the paper, creating a permanent image.In conclusion, static electricity (静电) is an intriguing aspect of electricity that has both positive and negative implications in our lives. From causing minor shocks to enabling advanced technologies, understanding static electricity (静电) allows us to appreciate its impact on our daily experiences and the broader technological landscape. By recognizing the principles behind this phenomenon, we can better navigate situations where static electricity (静电) may arise, whether in our homes or workplaces.
静电是一个迷人的现象,当材料内部或表面存在电荷不平衡时就会发生这种现象。这种不平衡可能导致各种有趣的效果,例如吸引轻质物体或在触摸某些表面时产生小电击。理解静电不仅在物理学中至关重要,而且在日常生活中也很重要,因为它在许多常见现象中发挥着重要作用。静电最常见的例子之一是在干燥的冬季。当你在地毯上走动,然后触摸金属门把手时,可能会感到一阵小电击。这是因为你的身体积累了过量的电子,形成了负电荷。当你触摸门把手时,过量的电子放电,导致那一瞬间令人震惊的冲击。这是静电如何导致明显的身体感觉的经典示范。静电背后的科学涉及材料之间电子的转移。当两种不同的材料接触时,电子可以根据各自的电子亲和力从一种材料移动到另一种材料。例如,将气球在头发上摩擦可以将电子从头发转移到气球,使气球带上负电荷,而头发则带上正电荷。这就是为什么气球在与头发摩擦后可以粘附在墙壁上或提起小纸片。在工业环境中,静电可能会带来重大风险。可燃材料可能因静电放电产生的火花而点燃。因此,工业通常采用接地技术,并使用防静电材料来减轻这些风险。理解静电的原理对于确保在存在易燃物质的环境中的安全至关重要。此外,静电不仅是个麻烦,还可以被利用于有益的目的。例如,复印机和激光打印机利用静电的原理将墨粉颗粒吸附到纸张上。这个过程涉及给复印机的鼓充电,然后利用静电将墨粉转移到纸张上,创建出永久的图像。总之,静电是电的一种有趣的方面,在我们的生活中具有积极和消极的影响。从造成轻微的电击到促进先进技术,理解静电使我们能够欣赏它对日常经验和更广泛技术环境的影响。通过认识这一现象背后的原理,我们可以更好地应对家庭或工作场所中可能出现的静电情况。
相关单词