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| Subject | English | Chinese |
| chem. | acetyl H acid | 乙酰 H 酸 |
| pharm. | branched chain amino acid 3H | 支链氨基酸 3H (支链氨基酸 (branched chain amino acid) 的别名；氨基酸类药) |
| chem. | H acid | H 酸 |
| chem. | H acid | 8-氨基-1-萘酚-3,6-二磺酸 |
| textile | H-acid | H 酸 |
| water.res., ecol. | H-acid | H 酸=1-氨基-8-萘酚-3,6-二磺酸 |
| water.res., ecol. | H-acid wastewater | H 酸=1-氨基-8-萘酚-3,6-二磺酸废水 |
| water.res., ecol. | methylimine-H-acid | 甲亚胺-H 酸 |
| water.res., ecol. | methylimine-H-acid spectrophotometry | 甲亚胺-H酸分光光度法 |