facultative

基本解釋

Secondary II is facultative, and is spread among many schools, depending of the Student"s interest.
中級(jí)教育II是特許的，主要是根據(jù)學(xué)生的興趣而存在于許多學(xué)校中。
This method is effective to the facultative anaerobic bacteria or aerobic bacteria with hydrogenase .
這種方法對(duì)于用氫化酶的兼性厭氧細(xì)菌或需氧細(xì)菌是有效的。
Nitrate can be used by facultative organisms living under intermediate conditions referred to as anoxic.
硝酸鹽能夠被生活在中等缺氧條件下稱為兼性生物體所利用。

Instead, it uses a stationary pump about the size of a lunchbox to inject active, or "vegetative, " bacteria—harmless strains of facultative anaerobes—into the drains of restaurants, meatpackers, hospitals and photo processing labs.
FORBES: Germ warfare
Instead, the company uses a stationary pump about the size of a lunchbox to inject active, or "vegetative, " bacteria-harmless strains of facultative anaerobes-into the drains of restaurants, meatpackers, hospitals and photo processing labs.
FORBES: Germ Warfare

facultative anaerobe [微]兼性厭氧菌;嫌氣性細(xì)菌;兼性嫌氣生物
facultative reinsurance [保險(xiǎn)]臨時(shí)分保;[保險(xiǎn)]臨時(shí)再保險(xiǎn);再保險(xiǎn);臨時(shí)分保臨時(shí)再保險(xiǎn)
facultative heterochromatin [細(xì)胞]兼性異染色質(zhì);異染色質(zhì);功能性異染色質(zhì);兼性異染色質(zhì)
facultative respiration 兼性呼吸
Facultative anaerobes 兼性厭氧菌;兼性厭氧細(xì)菌;兼性嫌氣生物;兼性厭氧

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.
堿減量印染廢水中的TA在好氧狀態(tài)下，屬于易降解有機(jī)物，HRT為12～16h，去除率在96％以上；在兼氧狀態(tài)下，屬于難降解有機(jī)物，HRT210h，其去除率只有η_(TA)15.3％。
兼性因素