兼性离子

Ammonia and nitrate, ferrous ion, sulfide, various gases and organic acids are sequentially formed, corresponding to the activities of aerobic and facultatively anaerobic bacteria, sulfate-reducing bacteria, and methane-producing bacteria with the development of reduction reactions.

在还原过程中，随着好氧细菌、兼性厌氧细菌、硫酸还原菌和甲烷菌的活动，相继形成氨、硝酸根离子、亚铁离子、硫化物、气体物质及有机酸。

Two structures can be drawn that have a net charge of zero, but the predominant form of alanine at its pI is zwitterionic.

净电荷为零的结构有两种，但是主要的形式为兼性离子。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。