查询词典 flavones

Results The Hansch equation on anti-apoptosis of flavones was obtained.

结果 得到黄酮化合物抗凋亡作用的Hansch方程。

Techniques for extraction of total flavones from leaves of Ku bamboos were studied.

对苦竹类竹叶总黄酮的提取工艺进行了研究，确定了乙醇超声提取法的最佳提取工艺是：75%乙醇，1∶15料液比，超声提取3次，每次20min。

This research also indicated that (1) amount of total phenolic compounds, total flavones and percent of DPPH scavenging activity can be used as discriminate index for different kinds of vinegars,(2) new antioxidant may be formed during acetic acid fermentation period and decoction period, and be worth further researching.

本论文实验还表明：(1)总酚含量、总黄酮含量、DPPH自由基清除活性可作为不同种食醋的鉴别指标之一；(2)食醋酿造醋酸发酵阶段和煎煮过程中可能会生成一些新的具有抗氧化性的成分，可能值得进一步研究。

In order to ascertain Auto-circular fermentation technology of Mulberry vinegar and find out the vinegar 's ability to eliminate DPP H ., the liquid fermentation techniques of Mulberry vinegar, produced by using Auto-circular fermentor , have been analyzed and the micro-organism on the Mulberry fruit surface has been observed with microscope, the total flavones content as well as the free radical-DPPH eliminating ability in several kinds of vinegars have been tested.

为了确定桑椹醋自回淋发酵工艺，并了解其对 DPPH 自由基的清除能力，以秦巴山区桑椹为原料，采用液态自回流发酵法生产桑椹醋，从原料菌群、酒精发酵主产物和醋酸发酵主产物的动态变化趋势等方面对其工艺进行了分析，并采用比色法对桑椹醋总黄酮含量及其 DPPH 自由基的清除率进行了测定。

Plant secondary metabolites are the products of interaction of plant and environment, which including primary compounds of terpenes, alkaloids, flavones, steroids, phenols, etc.

植物的次生代谢物质是植物与环境相互作用的产物，是植物建立起来的用以抵抗植食者及病原菌侵害的化学防御机制。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。