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1)  facultative biochemical
兼性生化
1.
The technology of treating low strength wastewater--facultative biochemical technology is introduced.
介绍了低浓度污水处理工艺技术——兼性生化工艺;根据试验研究建立了兼性生化动力学模型Ns=Ks(Se-Sn),求出了模型常数Ks=0。
2.
There are two modes in the preceding process,which are facultative biochemical mode and biologic enhanced flocculation mode.
前处理单元在两个模式,即兼性生化模式与生物强化絮凝模式之间转换。
3.
This paper have mainly studied the facultative biochemical process in the biology/zoology combination process of treating urban wastewater.
本文主要研究城市污水处理生物/生态型组合工艺中的兼性生化前处理单元技术。
2)  facultative biodegradation
兼性生化
1.
The results of the researches showed that, when the dosage of PAC was 20mg/L, facultative biodegradation-physicochemical process expressed better synergistic action in respect of removals of COD, turbidity and TP, while its effect on nitrogen removal was not very obvious.
针对兼性生化低温状态去除效果差、污泥易流失等问题,提出采取物化兼性生化联用法来提高其处理效果。
2.
The objective of the study is to investigate the performance of facultative biodegradation in treatment of domestic wastewater in low temperature.
试验研究在低温条件下,兼性生化对生活污水的处理效果,发现兼性生化对生物污水处理的临界温度为13℃。
3)  facultative biochemical tank
兼性生化池
1.
The facultative biochemical tank/pressure aeration process was used to treat the landfill leachate in Hangzhou Tianziling Solid Waste Treatment Site.
采用兼性生化池/压力曝气工艺处理杭州天子岭废弃物处理总场的垃圾渗滤液。
4)  facultative bio-chemical technology
兼性生化工艺
1.
Based on the experiments,the appropriation and efficiency of the utilization of facultative bio-chemical technology for aquatic wastewater treatment and reuse are discussed.
在试验基础上,对利用激波传质兼性生化工艺处理水产品保鲜废水的可行性进行了系统的研究与论证。
5)  optional saprophytic
兼性腐生
6)  concurrent parasitism
兼性寄生
补充资料:生化选择性
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性质:杂草和作物在代谢过程中活化机制和解毒反应差异而产生的选择性。通过一系列生物化学变化实现,这些变化大多为酶催化反应。具有这样选择性的除草剂品种用于作物田安全幅度最大,为除草剂的真正选择性。例如2甲4氯丁酸在荨麻等阔叶杂草内通过β-氧化作用转化为2甲4氯,使杂草受害而死亡,而三叶草、芹菜等体内不存在β-氧化作用,虽然吸收药剂也不受害。

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