该文研究了腐乳生产过程中，采用不同包装材料，对其游离氨基酸态氮、食盐、总酸、游离脂肪酸和可溶性无盐固形物含量的影响。
This article discusses effects of different package materials on free amino acids nitrogen, salt, free fatty acids, and soluble solid content without salt during the sufu production.
前言： 目的：提高青霉素提炼过程中钠盐共沸结晶的收率，对于青霉素生产过程的总收率的提高非常重要。
Objective:Improving the earning ratio on sodium salt azeotropism crystallization in the process of refining Penicillin is vital important to the total rates of return in producing Penicillin.
称其为“总”，是因为没有扣除生产过程中的资本消耗费用。
It is "gross" because it does not deduct any charges of the depreciate of capital used up in the course of this production.
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