The technology of preparing cystine by hydrolysis using feather rod as raw material was studied. A better technological condition was obtained.
研究了用羽毛梗为原料，经过水解制取胱氨酸的工艺，得到了较佳工艺条件．。
This research is to find out a better technological condition for production of fruit jelly by ways of adopting different raw materia and weight, and to design a new package.
本研究采用不同原料及分量，探索水果啫喱较好的工艺条件以及新包装的设计。
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