在众多的质量指标中，尤以品种纯度的鉴定最难。
The variety identification of rice seed is the most difficult in many quality factors.
本研究所获得的结果对于新育成的超级杂交稻组合及其纯度的鉴定，以及为知识产权的保护可以提供具有司法效力的技术支持。
It is suggested that the result obtained in this study could provide the legal evidence to protect plant proprietary rights of the new super hybrid rice combinations breeded recently.
研究了香菇多糖的分离纯化方法，并进行纯度鉴定。
Studyed on the method of separation and purification of lentinuns polysaccharide, and identified the concentration.
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