释义 |
- 1
Phosphoric, citric, oxalic acids, and ammonium citrates are used depending on the severity of the problem. 视问题的严重性而确定使用磷酸、柠檬酸、草酸和柠檬酸铵类。 - 2
The principal acids used are phosphoric, citric, fumaric, tartaric, and malic acids. 主要添加的酸有磷酸、柠檬酸、富马酸、酒石酸和苹果酸。 - 3
A nitrogenous molecule, either a PYRIMIDINE or a PURINE, that combines with a pentose sugar and phosphoric acid to form a nucleotide, the fundamental unit of nucleic acids. 一种含氮的分子,嘌呤碱或者是嘧啶碱,它们和戊糖还有磷酸一起构成核苷酸,核苷酸是核酸的基本结构单位。
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