The method used at Orval is known as top fermentation.
发酵变酸以发酵的方式变酸。
Created in 1933 at the Dubuisson Brewery, Bush Amber is the strongest and one of the oldest of all Belgian beers brewed by top fermentation.
由创建于1933年的迪比森酿酒厂酿造，可谓所有古老的比利时上层发酵啤酒中酒精最强烈的一款。
Spraying and inoculation device is installed on top part which enables inoculation and timely humidity adjusting of solid materials during fermentation process.
灌顶装有喷淋接种装置，既可接种也可在发酵过程中及时调节固体物料湿度。
The in-bottle secondary fermentation process which is performed the champagne style is discussed. The key brewing technology of Chinese top-ranked champagne method sparkling wine is researched.
通过对决定香槟酒特色风味的瓶内二次发酵工艺进行分析，研究酿造具有法国香槟酒特色的中国式高档香槟法起泡葡萄酒关键工艺。
The top yeasts are shorter in fermentation period, faster in metabolic rate and high in fermentation degree.
上面酵母具有发酵周期短，启发速度快，发酵度较高的特性。
The end-of-fermentation acetaldehyde content tended to be lower using top yeast than bottom yeast.
上面酵母比下面酵母的乙醛含量低。
The end-of-fermentation acetaldehyde content tended to be lower using top yeast than bottom yeast.
上面酵母比下面酵母的乙醛含量低。
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