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汉语拼音：zì yǎng

生物体在同化作用过程中的一种代谢方式。能直接用无机物合成有机物，供自身生长发育的需要。自养生物包括进行光合作用的绿色植物和光合细菌，以及利用无机物氧化产生的能量来合成有机物的硫细菌、铁细菌等。

1. 犹自奉；自给。

   《易·颐》：“自求口实，观其自养也。”《晏子春秋·问下四》：“积多不能分人，而厚自养，谓之吝。”《列子·仲尼》：“受人养而不能自养者，犬豕之类也。”《韩诗外传》卷三：“能制天下必能养其民也，能养民者为自养也。”

• Autotrophic mutants were prepared from six different stocks of the homoictic group.

  自养突变体是从同株同核融合类群的6个不同的原种菌系制备的.

• The nitrifying bacteria are chemosynthetic autotrophs.

  硝化细菌是化能合成的自养生物.

• The cell lost its autotrophic character and became dependent on added chemical energy sources.

  细胞丧失了自养的特性,变成依赖于外加的化学能源生活.

• Ammonia - oxidizing bacteria ( AOB ) are chemolitho autotrophs and widely exist in most environments.

  氨氧化细菌是一类化能自养细菌,广泛存在于大多数环境中.

• The start - up of the ANAMMOX bioreactor by autotrophic nitrifying biofilm was studied.

  研究了以自养型硝化生物膜启动厌氧氨氧化反应器的可行性.

• Green plants, algae, and certain bacteria are autotrophs.

  绿色植物, 海藻及某些细菌都是自养生物.

• The female gametophyte is reduced, but larger than in angiosperms; it is not autotrophic.

  裸子植物的雌配子体简化, 但较被子植物体的体积大, 不能自养.

• It is characterized of autotrophic ANAMMOX bacteria transferring NH 4 + - N to N 2 in anaerobic condition.

  它是指在厌氧条件下由自养型ANAMMOX细菌将NH4+-N直接转化为N2.

• The autotrophic ammonium removal process was realized in floating bed reactors with sludge liquor as substrate.

  以含有高浓度氨氮的消化污泥脱泥污水为基质,在悬浮填料床反应器中实现了稳定的全程自养脱氮过程.

• Objective To study the characteristics of the Nitroso - bacteria in one - step completely autotrophic nitrogen removal process.

  研究 单级 自养脱氮系统中亚硝化菌株的培养及代谢特征,为系统运行操控提出理论指导.