V2EX stationary phase

Stationary Phase

释义 Definition

(常指微生物生长曲线中的)稳定期/停滞期:在营养逐渐耗尽、代谢产物累积等条件下,细胞增殖速率与死亡速率大致相当,总体细胞数量趋于稳定的阶段。
也可指色谱学中的固定相(与流动相相对的、不随流动相移动的相)。

发音 Pronunciation (IPA)

/stenri fez/

例句 Examples

Bacteria stop growing quickly in the stationary phase.
细菌在稳定期会停止快速生长。

During the stationary phase, gene expression often shifts toward stress resistance and maintenance rather than rapid division.
在稳定期,基因表达常常从快速分裂转向抗压与维持生命活动相关的功能。

词源 Etymology

stationary 来自拉丁语 stationarius,与“站立、固定不动”(stat- “站立”)相关;phase 源自希腊语 phasis,有“显现、阶段”的含义。合在一起,字面意思是“不再明显变化的阶段”,用来描述数量或状态相对稳定的一段时期(或在色谱中指相对“固定”的那一相)。

相关词 Related Words

文学与著作 Literary Works

  • Brock Biology of Microorganisms(《布洛克微生物学》):在微生物生长曲线章节中讨论 stationary phase 的特征与成因。
  • Molecular Biology of the Cell(《细胞的分子生物学》):在细胞应激与生存策略相关内容中提及稳定期状态与适应。
  • Introduction to Modern Liquid Chromatography(《现代液相色谱导论》):以色谱学语境使用 stationary phase 指“固定相”,并解释其材料与分离机制。
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