查询词典 polyphenol

Objective: To investigate the effects of tea polyphenol on acute lung injury from global cerebral ischemic reperfusion.

本实验旨在研究茶多酚静脉给药对于由全脑缺血再灌注引起的急性肺损伤的保护作用，并进一步探讨其作用机制。

The changes of the apple pomace polyphenol's antioxidant activity which was purified by macroporous resin was studied before and after was studied in this paper.

研究了苹果渣多酚经大孔吸附树脂纯化前后的体外抗氧化活性的变化情况。

Effects of Psoralea corylifolia L.extract on the defensive enzymes on cucumber were studied and the results showed that activities of peroxidase,polyphenol oxidase, phenylalanine ammonialyaseof cucumber leaves were increased to highest level after 7 to 9 days at 40 mg/L and 400 mg/L.

补骨脂粗提物处理两叶一心生长期的黄瓜幼苗，补骨脂提取物在40mg/L和400mg/L浓度下，黄瓜体内过氧化物酶、多酚氧化酶、苯丙氨酸解氨酶等一些防御酶活性均在处理后7d～9d达最高。

Polyphenol oxidase activities were determined spectrophotometrically at 410 nm with pyrocatechol as substrate at different levels.

为探明乌龙岭龙眼贮藏保鲜过程中的褐变问题，以C6H6O2为底物，采用分光光度法研究了底物浓度对龙眼果皮PPO活性的影响规律。

The effect of aqueous ethanol (50% v/v) on the activity of purified mushroom polyphenol oxidase has been found to be as follows:(1)The oxidation of catechol or pyrogallol is greatly stimulated,an increase in the rate of oxygen uptake of over 100% having been invariably observed with catechol as the substrate,whereas the oxidation of other substituted o-dihydric phenols is inhibited in 50% ethanol.

三无论有无抗坏血酸的存在，50%乙醇对多酚氧化酶活力的提高程度是一样的，在有一定量的抗坏血酸的存在下，多酚氧化酶对儿茶酚的 Michaelis 常数(25℃)在水溶液及50%乙醇溶液中各为0.072×10~(-3)M 及0.49×10~(-3)M。

Near infrared spectroscopic model for determinating total catechin in tea polyphenol powder based on radical basis function network.

基于径向基函数网络的茶多酚总儿茶素近红外光谱检测模型的研究。

Near infrared spectroscopic model for determinating total catechins in tea polyphenol powder based on radical basis function network.

基于径向基函数网络的茶多酚总儿茶素近红外光谱检测模型的研究。

Microphylla plantations are obvious, such effects and the contents of soil organic matter, N, P and K are gradually increased with the growth of C. microphylla plantations. Moreover, the activities of phosphomonoesterase, saccharase, protease, urease, dehydrogenase, polyphenol oxidase and nitrate reductase and the contents of edaphon C, N and P are significantly increased at soil depth of 0~30 cm, especially at soil depth of 0~10 cm.

随着小叶锦鸡儿固沙群落发育时间的增长，其综合防风性能提高，土壤有机质、N，P，K含量和生物活性逐渐得到改善。0~30 cm土层中磷酸单酯酶、蛋白酶、脲酶、蔗糖酶、硝酸还原酶、多酚氧化酶、脱氢酶的活性和土壤微生物生物量C，N和P含量均大幅度提高，其中0~10 cm土层增幅最大。

Urease, incerfase and saccharose enzyme are higher in August. Polyphenol oxidation enzyme is higher in May. Protease activity is higher in March and August.

脲酶、过氧化氢酶、蔗糖酶活性在8月最高，多酚氧化酶活性在5月最高，蛋白酶活性在3月、8月较高。

Soil urease, incerfase, saccharose enzyme and protease activity are the lowest in heavy grazing, while polyphenol oxidation enzyme is the lowest in control area.

土壤脲酶、过氧化氢酶、蔗糖酶、蛋白酶活性在重牧区最低，多酚氧化酶活性在对照区最低。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。