Over time these tannins are polymerised and this benefits colour stability as less colour pigments are oxidised as opposed to tannins.
随着时间的推移，这些单宁会聚合，有益于色泽的稳定。因为与单宁相反，色泽成份被氧化得较少。
In the solution of 6.6M hydrochloric acid the colour reaction has a high sensitivity and a better stability.
在6.6M酸度条件下，其呈色反应具有较高的灵敏度，稳定性好。
The stability of colour and depth of shade were improved by after-treatment.
通过后处理提高了热转印布样的颜色稳定性和深度。
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