随着土壤深度增加，土壤过氧化氢酶和多酚氧化酶活性增大，而脲酶活性降低。
Totally, soil catalase and polyphenol oxidase activity increased, while soil urease activity declined in deeper soil, the extent were different among temperatures and litter types.
纯化后的酶液经聚丙烯酰胺凝胶电泳，分别采用银染色和多酚氧化酶活性染色均显示一条电泳带。
The result from polyacrylamide gel electrophoresis of purified enzyme indicated that only one band was found using silver stain and PPO activity stain, respectively.
甘蔗在贮藏过程中蔗糖转化酶和多酚氧化酶活性不断提高，滴定酸、酒精和还原糖含量逐渐增加，而蔗糖和可溶性总糖含量逐渐减少。
During storage, activities of sucrose invertases and PPO increased gradually, titratable acid, alcohol and reducing sugar contents increased, while sucrose and soluble sugar contents decreased.
石灰水处理提高叶片水溶性蛋白质和类胡萝卜素含量，而使水分含量和过氧化物酶、多酚氧化酶活性降低。
The limewater treatment increased the contents of water soluble protein and carotenoid, but decreased the content of water, and the activities of peroxidase and polyphenol oxidase in leaves.
随着保压时间的延长和温度的升高，桃汁中多酚氧化酶相对活性逐渐降低。
The activity of PPO in the juice decreased gradually with the rise of heating temperature and the extension of pressure holding time.
以峨眉拟单性木兰嫩枝茎段为测试材料，研究多酚氧化酶（PPO）活性和总酚含量及其季节变化规律。
Taking burgeon and stem of Parakmeria omeiensis Cheng as test materials, polyphenol oxidase(PPO), total phenol content, and seasonal change law were studied.
目的研究鲜榨梨汁中多酚氧化酶的活性受高压和热协同处理的影响。
Objective To study the effect of high pressure alone or combined with heating treatment of fresh pear juice on PPO activity in it.
盾叶薯蓣细胞与内生真菌re0105共培养第二代的性状与POD、PPO和PAL活性和过氧化物酶、多酚氧化酶、酯酶同工酶谱带与第一代相比比较稳定。
The second generation callus of co-culture of cell and RE0105 was stable in culture character, POD, PPO and PAL activities and isoenzyme bands of POD, PPO, EST.
研究了羧甲基纤维素酶、半纤维素酶、多酚氧化酶、愈创木酚氧化酶和漆酶的酶活性变化。
The enzymes activities of carboxymethyl cellulase, hemicellulase, polyphenol oxidase, guaiacol oxidase, and laccase were studied.
本文研究了峨眉拟单性木兰的群落特征、组培技术、嫁接技术、多酚氧化酶（PPO）活性和总酚含量。
This article studied the community characteristics, tissue culture, grafting, PPO activity and total phenols content.
过氧化物酶、多酚氧化酶和过氧化氢酶活性与沉积物有机质均呈极显著正相关。
Activity of catalase, polyphenol oxidase and peroxidase tendenced similarly in lake sediments, and there was a significantly positive correlation between oxidoreductase and hydrolase.
本文采用超高压、温度和酶抑制剂单独和复合处理山药泥，对山药泥中多酚氧化酶活性和色泽变化进行了研究。
Yam puree was treated with pressure, temperature and browning inhibitors in single or/and complex combination, the polyphenol oxidase activity and color change in Yam puree were assayed.
KH2PO4处理还明显提高了甘蔗叶片的过氧化物酶、多酚氧化酶活性、呼吸强度和叶绿素含量。
The KH2PO4 treatment also increased activities of peroxidase and polyphenol oxidase, and respiratory intensity, and chlorophy11 content in leaves as compared with the control.
结果表明，喷施水杨酸抑制了过氧化物酶（POD）、多酚氧化酶（PPO）、苯丙氨酸解氨酶（PAL）活性，降低了石细胞的大小、密度和含量。
The results showed that POD, PPO and PAL activities were inhibited and the stone cell density , diameter and contents were decreased in the treatment of SA spraying;
多酚氧化酶活性和单宁含量对伤害也很敏感；
The activity of polyphenol oxidase and content of tannin were sensitive to the storage cut;
不同时期叶面喷施硼酸降低了梨果石细胞含量，果实过氧化物酶、多酚氧化酶和苯丙氨酸解氨酶活性也低于对照，且幼果期处理效果最佳。
The contents of sclereid and activities of some enzymes, such as POD, PPO and PAL are decreased under the applications of H3BO3, and the effect of the application at young fruit stage is the best.
不同时期叶面喷施硼酸降低了梨果石细胞含量，果实过氧化物酶、多酚氧化酶和苯丙氨酸解氨酶活性也低于对照，且幼果期处理效果最佳。
The contents of sclereid and activities of some enzymes, such as POD, PPO and PAL are decreased under the applications of H3BO3, and the effect of the application at young fruit stage is the best.
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