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- 酸浓度
双语例句
- The concentration ofL-serine and formaldehyde were determined by chromatic acid colorimetry.
采用铬变酸比色法测定甲醛和丝氨酸浓度。 - Humic acid had significant photosensitization on tetramethrin,and itsphotosensitization increased rapidly as the humic acid concentration increased.
腐殖酸对胺菊酯光敏化作用显著,并随腐殖酸浓度的增加而迅速增强。
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