biacetyl

常见例句

• The article briefly introduces the production of biacetyl and the relations of fermentation technology and biacetyl.
  简述了啤酒中双乙酰的形成机制及发酵工艺与双乙酰的关系,提出了在啤酒实际生产中双乙酰含量的控制方法。
• The content of biacetyl is an important quality indexes to measure the matarity of beer.
  双乙酰含量是衡量啤酒成熟度的一项重要理化指标。
• The applications of SKALAR brand interval flow analyser in the analysis of fermentation liquid and content of product biacetyl were introduced.
  介绍利用SKALAR间隔流动分析仪对发酵液、成品双乙酰含量的分析,并对SKALAR与GB法的分析结果进行比较、分析。
• METHODS Linezolid was prepared by the steps of substitution,reduction,acylation and condensation with biacetyl compond from the starting material 3,4-difluoronotrobenzene.
  方法以3,4-二氟硝基苯为原料,经取代、还原、酰化、再与侧链双乙酰化合物缩合得到目标化合物。
• METHODS Linezolid was prepared by the steps of substitution, reduction, acylation and condensation with biacetyl compond from the starting material 3,4-difluoronotrobenzene.
  方法以3,4-二氟硝基苯为原料，经取代、还原、酰化、再与侧链双乙酰化合物缩合得到目标化合物。
• Furthermore, we think the catalytic reaction in gas-solid phase is the superior developing trend and in this reaction,2,3-butylene-glycol should be replaced by cheap biacetyl.
  本文认为,2,3-二甲基吡嗪的合成发展趋势应采用气固相催化反应的方法,建议以价廉的丁二酮取代以往气相法中以2,3-丁二醇为原料的路线。
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