At the same time, it was studied that the effect of hop storage index (HSI) and deteriorative degree on evaluating hop freshness for hops which stored for different time.

同时对贮存了不同时间的酒花样品研究了其酒花贮存指数(HSI值)与劣化度对评价酒花新鲜度的作用。

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Thin-layer chromatographic analysis indicated the contents of lecithin and phosphatidyl ethanolamine in deteriorative phosphatide were reduced visibly.

薄层色谱分析表明：变质磷脂中卵磷脂、脑磷脂含量明显减少。

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Molten-salt electrolytic preparation of deteriorative agent AlSr alloy by using liquid A1 as cathode is characterized by such advantages as simple process, low cost and high product purity.

采用液态铝阴极熔盐电解法来制取作变质剂用的铝锶合金，具有工艺简单、成本低、产品纯度高的优点。

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