以具有优良抑菌作用的山茱萸果肉提取液为原料制成保鲜剂，对陕西红富士苹果进行保鲜实验，并与不经任何处理的对照相对比。
This paper studies the extraction of medicinal cornel which has good bacteriostasis and antisepsis effect takes them as materials of keep fresh agent.
以1,3 -丙二醇为单体生产的聚对苯二甲酸二醇酯是一种新型聚酯材料，具有优良的特性，是目前合成纤维新品种开发热点。
Polyterephthalate produced based on monomeric 1, 3-propanediol is a new polyester material with excellent performance, it is becoming a hot point to develop new synthetic fiber currently.
通过实验研究，确定出了以钢渣、粉煤灰、石膏为主要原料的具有优良脱硫性能的钢渣脱硫剂配比。
The results show: the rational dosing ratio of the steel sediment, coal ash powder, and gypsum, can reach the good desulfurizing results.
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