The result showed that adding yeast at different fermentation period can decrease reducing sugar content and improve the content of alcohol in mature beer.
结果表明，发酵不同时期分批添加酵母，可以降低还原糖含量，提高成熟发酵醪酒精浓度。
Not only fungi of different genera but also different fungi of same genera, even same species of different hosts were different in growth rate, colony color, colony size and mature period.
不同属的各菌培养性状存在显著不同，同属的不同种也有较大差别，甚至同种的不同分离株在生长速度、菌落颜色、大小以及成熟期等方面均有差异。
This text reports the tracks of studying to the shape and density of gland trichomes for 11 different genotype of flue﹣cured tobacco in mature period.
为提供优质烤烟新品种选育中提高香气质和香气量的依据，对中国11个烤烟品种定型叶片的腺毛密度和在成熟过程变化的规律进行了跟踪研究。
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