extrinsic conduction

简明释义

1. 非本征导电; 2. 非本征性导电; 3. 外赋电导; 4. 非本征电导; 5. 外赋导电;

英英释义

例句

1.The researchers found that extrinsic conduction plays a significant role in the propagation of action potentials.

研究人员发现，外在传导在动作电位的传播中起着重要作用。

2.The impact of drugs on extrinsic conduction can alter how quickly signals are transmitted in the nervous system.

药物对外在传导的影响可以改变信号在神经系统中传递的速度。

3.Understanding extrinsic conduction helps in developing better treatments for cardiac arrhythmias.

理解外在传导有助于开发更好的心律失常治疗方法。

4.In this experiment, we will measure the effects of temperature on extrinsic conduction in neural tissues.

在这个实验中，我们将测量温度对神经组织中外在传导的影响。

5.The study of extrinsic conduction is crucial in understanding how external factors influence electrical signals in the heart.

研究外在传导对于理解外部因素如何影响心脏中的电信号至关重要。

作文

Extrinsic conduction is a term often used in the field of physics and engineering, particularly when discussing the transfer of energy or information through a medium that is not inherently conductive. In simple terms, it refers to how external factors influence the ability of materials to conduct electricity or heat. Understanding this concept is crucial for various applications, including electronics, materials science, and even biology. For instance, in electronic circuits, the efficiency of signal transmission can be significantly affected by the materials used and their interaction with external environments. The role of extrinsic conduction is pivotal in determining how well a device performs under different conditions.In electronics, the intrinsic properties of a material, such as its resistivity and conductivity, are important, but they are not the only factors at play. Extrinsic factors, such as temperature, pressure, and the presence of impurities, can alter these intrinsic properties and thus affect the overall conduction process. For example, semiconductors are a prime example of materials where extrinsic conduction plays a vital role. By introducing certain impurities into a pure semiconductor, its electrical properties can be modified to enhance conductivity. This process is known as doping, and it is essential for the functioning of many electronic devices, including transistors and diodes.Moreover, extrinsic conduction is not limited to electrical conduction; it also applies to thermal conduction. In materials science, understanding how heat transfers through materials involves looking at both intrinsic and extrinsic factors. For example, when a metal is heated, its ability to conduct heat can be influenced by its microstructure, grain boundaries, and the presence of defects. These extrinsic factors can lead to variations in thermal conductivity, which is critical for applications like thermal insulation and heat exchangers.In biological systems, extrinsic conduction can also be observed. For instance, nerve impulses rely on the conduction of electrical signals through neurons, where both intrinsic properties of the nerve cells and extrinsic factors such as myelination and ion concentration play a significant role. The speed and efficiency of signal transmission can be greatly enhanced by the presence of myelin sheaths around the axons, illustrating how extrinsic factors can optimize conduction in biological systems.To summarize, the concept of extrinsic conduction (外部导电) encompasses various fields and applications, highlighting the importance of external influences on the conduction processes. Whether in electronics, materials science, or biology, recognizing the impact of extrinsic factors allows scientists and engineers to design better systems and improve performance. As technology continues to evolve, understanding and harnessing the principles of extrinsic conduction (外部导电) will remain a key focus in advancing our knowledge and capabilities in these domains.