跳躍式傳導(英語:saltatory conduction)是动作电位沿有髓鞘轴突由一个兰氏结传导到下一个兰氏结的过程,它能在不增加轴突直径的情况下增加动作电位的神经传导速度(英语:nerve conduction velocity)。只有蘭氏結能產生動作電位,该电位以跳躍的方式进行傳導 ...
在跳跃式传导中,电荷会被动地将相邻兰氏结去极化至阈值,在该区域引起一个动作电位,随后再将下一个兰氏结去极化,此过程不断重复。这一现象是由田崎一二[1] [2] 和安德鲁·赫胥黎[3] 以及他们的同事共同发现的。
Bone conduction headphones are a unique style of listening device that are perfect for anyone who has a hearing aid, runners and swimmers who don’t want to carry their phone with them ...
Audio maker Raycon has today unveiled the company's first pair of bone conduction headphones, replete with water and dust protection, decent battery life, and low latency. Like all of the best ...
Bone-conduction wireless headphones don't go on your ears -- they actually deliver sound to your ears through your cheekbones. Here are the top models. Executive Editor David Carnoy has been a ...
The best bone conduction headphones have far superior sound quality to the worst, our testing revealed. They're excellent for runners, walkers and cyclists who want to be able to hear the world around ...
Bone conduction headphones are ideal for any situation where you want to listen to music but still need to be aware of your surroundings. Usually, that means suburban runners, who need to be able ...
Sara is freezing so she asks her handy science app, Ada, for help. Ada explains the process of conduction, convection and radiation. Ada takes Sara through various scenarios, discussing how she ...