试验结果表明：魔芋-卡拉复合胶凝剂的最适比例为3：2；
The results were showed that: the optimal ratio of the mixed jelling agent (konjak-carrageenan ) was 3:2;
通过研究烟草秸秆覆盖层的微生物特征，确定何种季节何种烟草秸秆与鸡粪的搭配比例最适合烟草秸秆覆盖层的腐解。
By researching microbial characteristics of tobacco straw overburden to determine which season and which collocation ratio was the most suitable for decomposition of the tobacco straw overburden.
本文论述了黑鲷饲料中最适蛋白质含量及动、植物蛋白比例的有关研究。
The paper deals with the optimum protein content and the ratio of animal to plant protein in the diet of the black sea bream.
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