cathodic

简明释义

[kəˈθɒdɪk][kæˈθɒdɪk]

adj. 阴极的;负极的

英英释义

Relating to or having the characteristics of a cathode, which is the electrode through which electric current flows out of a polarized electrical device.

与阴极有关或具有阴极特征的,阴极是电流从极化电气设备流出的电极。

单词用法

cathodic protection

阴极保护

cathodic polarization

阴极极化

同义词

cathodal

阴极的

cathodal protection

阴极保护

negative

负极的

negative electrode

负极电极

反义词

anodic

阳极的

Anodic protection is used to prevent corrosion in pipelines.

阳极保护用于防止管道腐蚀。

oxidative

氧化的

Oxidative stress can lead to cellular damage.

氧化性压力可能导致细胞损伤。

例句

1.The stray current is produced by the cathodic protection system itself.

这种杂散电流是阴极保护系统自己生成的。

2.Phosphating technology has been developed specifically for use with cathodic electrocoating.

磷化技术的开发是为阴极电泳涂装而服务的。

3.Stable electric insulation to reduce cathodic protection current.

稳定的电绝缘性,降低阴极保护电流。

4.WHAT is cathodic protection?

什么是阴极保护?

5.The preparation needed before the operation of the new cathodic electrophoresis coating production line is introduced.

介绍了新建阴极电泳涂装线在投产前必须要做的一些准备工作。

6.A high dense metal plasma can be produced by using cathodic vacuum arc discharge technique.

利用阴极真空弧放电技术能够产生高密度的金属等离子体。

7.Because this metal crystal is in the cathodic reduction of the form, it is called the electricity crystallization.

因为这种金属晶体是在阴极还原的情况下形成的,故称之电结晶。

8.A cathodic 阴极的 protection system can significantly reduce maintenance costs over time.

一个阴极的保护系统可以显著降低长期维护成本。

9.The engineers installed a cathodic 阴极的 protection system to prevent corrosion on the pipelines.

工程师们安装了一个阴极的保护系统,以防止管道腐蚀。

10.The cathodic 阴极的 protection method is widely used in marine environments to protect ships.

在海洋环境中,阴极的保护方法被广泛用于保护船只。

11.The study focused on the efficiency of different cathodic 阴极的 protection techniques.

该研究集中于不同阴极的保护技术的效率。

12.Regular maintenance of the cathodic 阴极的 protection is essential for extending the lifespan of the structure.

定期维护阴极的保护对延长结构的使用寿命至关重要。

作文

In the realm of electrochemistry, the term cathodic refers to processes that occur at the cathode during an electrochemical reaction. The cathode is the electrode where reduction takes place, meaning it is where electrons are gained by the chemical species involved in the reaction. Understanding the concept of cathodic reactions is crucial for various applications, including batteries, corrosion prevention, and electroplating.For instance, in a simple galvanic cell, the cathode is where the positive ions in the electrolyte gain electrons from the external circuit, thus reducing them to their elemental form. This process exemplifies a cathodic reaction, as it highlights the role of the cathode in facilitating electron transfer. Moreover, the efficiency of this process significantly impacts the overall performance of the battery. A well-designed cathode can enhance the energy output and longevity of the battery, making the understanding of cathodic reactions essential for engineers and scientists working in energy storage technologies.Another important aspect of cathodic processes is their application in corrosion prevention. In many industrial settings, metals are susceptible to corrosion due to environmental factors. However, by employing cathodic protection techniques, such as sacrificial anodes or impressed current systems, the corrosion rate of metals can be significantly reduced. These methods work by creating a cathodic environment around the metal surface, thereby preventing oxidation and prolonging the life of structures such as pipelines and bridges.Electroplating is yet another field where cathodic processes are vital. In electroplating, a metal object is immersed in a solution containing metal ions. When an electric current is applied, the object acts as a cathode, attracting metal ions from the solution, which then reduce and deposit onto the surface of the object. This cathodic deposition not only enhances the aesthetic appeal of the object but also improves its resistance to wear and corrosion. The ability to control the cathodic process allows for the creation of coatings with specific properties tailored to meet various industrial requirements.In conclusion, the term cathodic encompasses a wide range of phenomena related to the behavior of electrons at the cathode during electrochemical reactions. Whether in the context of energy storage, corrosion prevention, or electroplating, the understanding of cathodic processes is fundamental for advancing technology in these fields. As we continue to explore new materials and methods to improve efficiency and sustainability, the role of cathodic reactions will undoubtedly remain a focal point in scientific research and industrial applications.

在电化学领域,术语cathodic指的是在电化学反应中发生在阴极的过程。阴极是还原发生的电极,这意味着它是化学物质在反应中获得电子的地方。理解cathodic反应的概念对于各种应用至关重要,包括电池、腐蚀防护和电镀。例如,在一个简单的原电池中,阴极是电解质中的正离子从外部电路获得电子的地方,从而将其还原为元素形式。这个过程体现了cathodic反应,因为它突出了阴极在促进电子转移中的作用。此外,这一过程的效率显著影响电池的整体性能。一个设计良好的阴极可以增强电池的能量输出和使用寿命,因此理解cathodic反应对于从事能源存储技术的工程师和科学家来说是必不可少的。cathodic过程的另一个重要方面是它们在防腐蚀中的应用。在许多工业环境中,金属由于环境因素而容易发生腐蚀。然而,通过采用cathodic保护技术,如牺牲阳极或强制电流系统,可以显著降低金属的腐蚀速率。这些方法通过在金属表面创建一个cathodic环境,从而防止氧化并延长管道和桥梁等结构的使用寿命。电镀是另一个cathodic过程至关重要的领域。在电镀中,一个金属物体被浸入含有金属离子的溶液中。当施加电流时,物体充当阴极,吸引溶液中的金属离子,这些离子随后还原并沉积到物体的表面上。这种cathodic沉积不仅增强了物体的美观性,还提高了其耐磨性和耐腐蚀性。控制cathodic过程的能力使得能够创造出具有特定性质的涂层,以满足各种工业要求。总之,术语cathodic涵盖了与电化学反应中阴极电子行为相关的广泛现象。无论是在能源存储、腐蚀防护还是电镀的背景下,理解cathodic过程对于推动这些领域的技术进步至关重要。随着我们继续探索新材料和方法以提高效率和可持续性,cathodic反应的作用无疑将继续成为科学研究和工业应用的重点。