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facultative
  • 英语发声
  • 美语发声
  • adj. 偶发的;授权的;(生物)兼性的
  • 网络释义

    1、兼性
    ... Exotoxin(外毒素): Facultative(兼性的): Fermentation(发酵): ...
    2、兼氧
    ...水;废水处理;兼氧;好氧;氧化沟;生物接触氧化 [gap=789]Key words:perfume wastewater; wastewater treatment; facultative; aerobic; oxidation ditch; biological contact oxidation ..
    3、[科技]任意的
    ... 因素分析实验 factorial experiment 有条件的;任意的;兼性的 facultative 兼需气性;任意需气的 facultative aerobic ...

    短语

    facultative anaerobe[微] 兼性厌氧菌;嫌气性细菌;兼性嫌气生物

    facultative reinsurance[保险] 临时分保;[保险] 临时再保险;再保险;临时分保临时再保险

    facultative heterochromatin[细胞] 兼性异染色质;异染色质;功能性异染色质;兼性异染色质

    facultative respiration兼性呼吸

    Facultative anaerobes兼性厌氧菌;兼性厌氧细菌;兼性嫌气生物;兼性厌氧

    facultative anaerobic兼性厌氧;兼性厌气菌;兼性厌氧的;任意厌气的

    facultative apomixis兼性无融合生殖;兼性无融生殖

    Facultative regeneration适性再生;翻译

    facultative thermogenesis兼性生热作用

    专业释义

    环境科学技术
    • 兼氧

      TA could be removed quickly from wastewater in aerobic condition, the removal rate of TA can be above 96% within 12~16h of HRT. By contrast, facultative system could only degraded 15.3% within 210h of HRT.

      碱减量印染废水中的TA在好状态下,属于易降解有机物,HRT为12~16h,去除率在96%以上;在兼氧状态下,属于难降解有机物,HRT210h,其去除率只有η_(TA)15.3%。

      参考来源 - 碱减量印染废水剩余污泥减量化工艺研究
      兼性因素
    生物学
    • 兼生性
      兼性的
      兼性
      容许的
      可选择性的
    化学
    • 兼性的

    英英释义

    facultative [ 'fækəltətiv ]

    adj.
      of or relating to the mental faculties able to exist under more than one set of conditions

      "a facultative parasite can exist as a parasite or a saprophyte"

      granting a privilege or permission or power to do or not do something

      "a facultative enactment"

      not compulsory

      "facultative courses in the sciences"




    英汉双解大词典

    facultative /ˈfækəltətɪv/

    • 1.  

      ADJ(形容词) empowering but not compelling the doing of an act 授权的