查询词典 humulone

HPLC conditions for the separation of α-acid and β-acid in hops were optimized. Besides, cohumulone and humulone + adhumulone, and colupulone and lupulone + adlupulone were quantified to determine HPLC conditions. The precision and the accuracy of HPLC were verified.

对高效液相色谱法分离酒花中α-酸和β-酸的色谱条件进行了优化，并对合葎草酮和葎草酮＋加葎草酮，以及合蛇麻酮和蛇麻酮＋加蛇麻酮进行了定量，确定了色谱条件，并对该方法的精密度和准确度进行了验证。

Lid-phase micro extraction. Multiple indexes including total resin, soft resin, hard resin,α-acid,β-acid, and polyphenols in SA-1 hop were measured and then the parameters of SA-1 influencing beer brewing were compared with foreign quality hop SAAZ. The results suggested that SA-1 hop had lower content of α-acid（3.40 % w/w,its content of β-acid was 3.50 % and co-humulone ratio was 23.92 % rel.

采用顶空固相微萃取方法对国产香型啤酒花品种札一的压缩花和液态CO2浸膏中的挥发性成分进行了分析，并测定了该啤酒花品种的总树脂、软树脂、硬树脂、α-酸、β-酸和啤酒花多酚等多项指标，并与国外优质香型花SAAZ的各项影响酿造性能的参数进行了比较。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。