stimulated(如何刺激大脑)
2023-11-13 03:00 来源:出国留学吧 阅读量:35
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本文目录一览stimulated
Stimulated是一个英文单词,意为“刺激的”,在生物学、心理学等领域经常被使用。在生物学中,刺激可以引起生物体的反应,例如光线刺激可以引起眼睛的反应;在心理学中,刺激可以引起人的感官和情感的反应,例如听到喜欢的音乐可以让人感到愉悦。
在日常生活中,我们也经常使用stimulated这个词,例如当我们看到一部电影或读一本书时,它们可能会刺激我们的情感和思维,让我们感到兴奋、愉悦或者思考更多的问题。同样,当我们参加一个有趣的活动或者与朋友交流时,也可能会被刺激,让我们感到快乐和充实。
总之,stimulated这个词可以用来形容各种各样的刺激和反应,无论是生物学、心理学还是日常生活中的各种体验,都可以被称为stimulated。它是一个非常有用的词汇,可以让我们更好地描述和理解世界。
stimulated翻译
"Stimulated"的意思是什么?
"Stimulated"一词可以有不同的含义,具体取决于上下文和使用场景。一般来说,它可以表示被激发、被刺激、被鼓舞、被激励等含义。例如,我们可以说某个人被一部电影所激发,或者某个团队被领导人的演讲所激励。在科技领域中,"stimulated"也可以表示受到电、磁、光等外部刺激而产生反应的意思。总之,"stimulated"是一个非常常见的词汇,可以用于各种不同的语境中。
stimulated emission
Stimulated emission refers to a process in which an excited atom or molecule emits a photon of light due to the presence of another photon. This process is the basis for the operation of lasers, which use stimulated emission to produce a highly coherent and intense beam of light.
In stimulated emission, an atom or molecule in an excited state can be induced to emit a photon of light by the presence of another photon. This occurs when the energy of the incoming photon matches the energy difference between the excited state and a lower energy state. The emitted photon has the same energy, wavelength, and direction as the incoming photon, resulting in amplification of the original signal.
Lasers use stimulated emission to produce a highly collimated and intense beam of light. The laser cavity contains a gain medium, which is a material that can be excited to emit photons by an external energy source. This gain medium is sandwiched between two mirrors, one of which is partially reflective. When the gain medium is excited, it emits photons that bounce back and forth between the mirrors, undergoing stimulated emission and amplification with each pass. The partially reflective mirror allows a small fraction of the amplified light to escape as the laser beam.
Stimulated emission is a fundamental process in the field of optics and has applications in a wide range of fields, including telecommunications, medicine, and materials science. Its ability to produce highly coherent and intense light has revolutionized many areas of science and technology.
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