Study on histology and characterization of goat and pig resultant leather 羊皮成品革的组织结构与性能的关系探讨
2.
So it is not always possible to make a comparisons between the formaldehyde contained in a product and the one contained in finished leather 所以不可能把鞣剂材料中甲醛含量和成品革的甲醛含量之间进行比较。
3.
Some regulations in force establish maximum limits for this substance in finished leathers and analytical methods to be followed to reveal its presence in these hides 因此，在一些强制性条文中明确规定了这种物质在成品革中的最大含量以及测定其存在所应参照的分析方法。
