primary purification
... primary product 初级产物；主产物 primary purification 初步精制 primary reaction 初级反应 ...
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本文对栀子红的制备条件与精制方法进行了初步研究。
The methods of preparation and refining of Gardenia Red made from Geniposide were studied.
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以及对微量元素在食品精制过程中的损失也作了一些初步探讨。
The loss of trace elements during the purification of food was investigated.
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