V2EX energy flow

Energy Flow

释义 Definition

能量流动;能量传递:指能量在系统内部或系统之间的传递过程,常用于生态学(能量在食物链/食物网中的传递)、物理学与工程(能量在介质、装置或过程中的传输与转换)等语境。

发音 Pronunciation (IPA)

/nrdi flo/

例句 Examples

Energy flow keeps the ecosystem running.
能量流动让生态系统持续运转。

By measuring energy flow through the food web, scientists can estimate how efficiently producers support higher trophic levels and how much energy is lost as heat at each transfer.
通过测量能量在食物网中的流动,科学家可以估算生产者对更高营养级的支持效率,以及每次传递中有多少能量以热的形式散失。

词源 Etymology

energy 源自希腊语 energeia(“活动、作用力”),经拉丁语和法语进入英语;flow 源自古英语 flōwan(“流动”)。组合成 energy flow,字面义为“能量的流动/流向”,在现代科学写作中固定用来描述能量在系统中的传递路径与速率。

相关词 Related Words

文学与著作 Literary Works

  • Raymond Lindeman(1942),The Trophic-Dynamic Aspect of Ecology(生态学经典论文,讨论生态系统中的能量传递与效率;相关概念常以“energy flow”表述)
  • Eugene P. OdumFundamentals of Ecology(经典生态学教材,广泛讨论生态系统能量流动)
  • Richard FeynmanThe Feynman Lectures on Physics(物理学名著,在解释物理过程与守恒思想时常涉及能量如何在系统中“流动/传递”的表述)
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