During each acid pickling operation a sample piece of same material shall be kept inside the inhibitedacid solution in the tank to check the quality of cleaning.
在每次酸浸操作中，应该将同种材质的试样放置在加入缓蚀剂的溶液内检查清洁程度。
2
The melanin synthesis and tyrosinase activity of human epidermal cells and murine B16 melanoma cells were inhibited by Azelaic acid in a dose-dependent manner.
壬二酸抑制人表皮黑素细胞和鼠黑素瘤B16细胞的酪氨酸酶活性，细胞黑素合成减少，而且具有浓度依赖性。
3
The Aloe preparation inhibited gastric acid, stimulated pepsin and mucus secretion.