opposite polarity

简明释义

相反极性

英英释义

例句

1.In a simple electric circuit, the battery terminals have opposite polarity, which allows current to flow.

在一个简单的电路中，电池的端子具有相反极性，这使得电流可以流动。

2.The two ends of a battery are marked to indicate their opposite polarity.

电池的两个端点被标记以指示它们的相反极性。

3.The speaker wires must be connected with opposite polarity to ensure proper sound quality.

扬声器电线必须以相反极性连接，以确保良好的音质。

4.When connecting two magnets, the sides with opposite polarity will attract each other.

当连接两个磁铁时，具有相反极性的两面将彼此吸引。

5.In chemistry, ions with opposite polarity can form ionic bonds.

在化学中，具有相反极性的离子可以形成离子键。

作文

In the study of physics and chemistry, the concept of opposite polarity plays a crucial role in understanding the interactions between different substances. Polarity refers to the distribution of electrical charge over the atoms joined by the bond. When we say two molecules have opposite polarity, we mean that they have different charges; one molecule may be positively charged while the other is negatively charged. This difference in charge leads to various phenomena, particularly in solutions and reactions. For example, water is a polar molecule because of its bent shape and the difference in electronegativity between oxygen and hydrogen atoms. The oxygen atom has a partial negative charge, while the hydrogen atoms have partial positive charges. This creates a situation where water can interact with other polar molecules effectively. When a non-polar substance, such as oil, is introduced into water, the opposite polarity causes the two substances to separate rather than mix. This characteristic is essential in many biological and chemical processes, including the formation of cell membranes and the behavior of various solvents.Furthermore, the concept of opposite polarity is also significant in the field of electricity. In electrical circuits, components are often categorized as having either positive or negative polarity. For instance, in a simple battery setup, the positive terminal attracts electrons, while the negative terminal repels them. This flow of electrons from negative to positive is what generates electrical current. Understanding how opposite polarity affects the movement of electrons is fundamental for designing efficient electrical systems and devices.The implications of opposite polarity extend beyond just physical sciences; they can also be observed in social and psychological contexts. For instance, in human relationships, people with opposite polarity in their personalities may attract each other. An extroverted person might find balance with an introverted partner, creating a dynamic that encourages personal growth and understanding. This metaphorical application of opposite polarity illustrates how differences can complement one another, leading to harmony and collaboration.In conclusion, the term opposite polarity encompasses a wide range of applications across various fields. Whether in chemistry, physics, or even interpersonal relationships, the principle of opposite polarity highlights the importance of contrasting forces and their ability to create balance and interaction. By recognizing the significance of opposite polarity, we can better understand the world around us and the intricate relationships that govern both matter and human connections.

在物理和化学研究中，相反极性的概念在理解不同物质之间的相互作用中起着至关重要的作用。极性是指通过键连接的原子之间电荷的分布。当我们说两个分子具有相反极性时，我们的意思是它们的电荷不同；一个分子可能带有正电荷，而另一个则带有负电荷。这种电荷差异导致了各种现象，特别是在溶液和反应中。例如，水是一种极性分子，因为其弯曲的形状以及氧和氢原子之间的电负性差异。氧原子带有部分负电荷，而氢原子则带有部分正电荷。这就创造了一种情况，使得水能够有效地与其他极性分子相互作用。当将非极性物质（如油）引入水中时，相反极性导致这两种物质分开而不是混合。这一特性在许多生物和化学过程中至关重要，包括细胞膜的形成和各种溶剂的行为。此外，相反极性的概念在电力领域也具有重要意义。在电路中，组件通常被归类为具有正极性或负极性。例如，在简单的电池设置中，正极吸引电子，而负极则排斥它们。从负极到正极的电子流动就是产生电流的原因。理解相反极性如何影响电子的运动对于设计高效的电气系统和设备至关重要。相反极性的影响不仅限于物理科学；它们在社会和心理背景中也可以观察到。例如，在人际关系中，具有相反极性性格的人可能会吸引彼此。外向的人可能会与内向的伴侣找到平衡，创造出一种鼓励个人成长和理解的动态。这种对相反极性的比喻应用说明了差异如何相辅相成，从而导致和谐与合作。总之，术语相反极性涵盖了各个领域的广泛应用。无论是在化学、物理还是人际关系中，相反极性的原则强调了对立力量的重要性及其创造平衡和相互作用的能力。通过认识到相反极性的重要性，我们可以更好地理解我们周围的世界以及支配物质和人类关系的复杂关系。