通过正交试验及单因素试验方法，对桑丝织物进行直接染色、预媒法染色、后媒法染色试验。

Then we dyed silk fabric by direct dyeing, chrome mordant dyeing and after chrome dyeing by means of orthogonal experiments as well as single element experiments.

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通过正交试验法得到最佳工艺条件，研制后的成品无论从体积、形状、色泽、质感和营养成分上均有明显的提高。

The optimum technological condition has been obtained through testing. The cooked dish has obvious improvement in volume, shape, colour, texture and nutrient.

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