苯乙烯

Objective: To research the mechanism of Stilbene Glucoside from Polygonum multiflovum Thumb on hyperlipemia.

目的：探讨何首乌二苯乙烯苷调节胆固醇代谢作用机制。

Studies on two-photon absorption of E-4,4'bis(N,N-di-n-butylamino)stilbene

反-4，4'-双二苯乙烯分子双光子吸收性质研究

Experimentally,among the calculated compounds,4,4′—bis(di-n-butylamino)stilbene and 4,4′—bisstilbene were synthesized at first.

其中对于化合物4，4′—二甲胺基二苯乙烯，从理论计算、分子设计、材料合成到实验研究，是尚未见报道的新工作。

Classification of the PFBs is briefly introduced. The synthesis, structure, properties and application of stilbene, naphthalimide and pyrene FBs are discussed.

简要介绍了聚合型荧光增白剂的分类，讨论了二苯乙烯、萘酰亚胺、花类聚合型荧光增白剂的合成、结构、性能及应用。

Under these conditions, the yields of anthraquinone and stilbene glycoside are 1.06% and 5.03% respectively, and the clearance rate to DPPH is 58.7%.

在此条件下蒽醌类物质的得率为1.06%，二苯乙烯苷得率5.03%，DPPH自由基清除率为58.7%。

In our previous study, we found that the EtOAc extract of the roots contained many oligostilbenes which had multi-faceted bioactivities. Kobophenol A (1) is a stilbene tetramer, accounts for nearly 20% of the EtOAc extract.

我们研究发现金雀根乙醇浸膏的乙酸乙酯部位主要化学成分是二苯乙烯类化合物，具有多样的生物活性。

Resveratrol Synthase is a kind of stilbene synthase.

白藜芦醇合酶(Resveratrol Synthase，RS)是二苯乙烯合酶(stilbene synthase，简称STS)中的一类。

The p-aminobenzene sulfpnamide group was connected to stilbene skeleton of stilbenes, and many twin drugs were prepared.

由拼合法将对氨基苯磺酰胺基团接到芪类化合物母体二苯乙烯骨架上，可得到多种孪生药物。

Methods: Response surface methodology was applied to study effects of extraction temperature, ethanol concentration, extraction time and solid to liquid ratio on extraction yield of anthraquinone and stilbene glycoside as well as clearance rate of the extracts to DPPH radical.

通过单因素和中心组合试验，对影响何首乌中二苯乙烯苷、蒽醌类化合物含量的提取因素（温度、酒精浓度、时间、料液比）进行了研究，同时将提取物清除DPPH自由基的能力作为考察指标，运用响应面分析法确定清除自由基组分提取的最优化工艺条件。

Are there any similar effects of stilbene derivatives on animals as they do on plants? In the present work, the chemical modification of resveratrol is investigated in detail. Furthermore, virtual screening, bioactivity evaluation and structure-activity relationship analysis are done on the designed molecules.

本论文力图探讨茋类化合物是否对动物体具有类似其在植物体中的免疫功能，以代表性的天然茋类化合物白藜芦醇(Resveratrol，3，5，4\'-三羟基-反-1，2二苯乙烯)为研究出发点，进行分子设计、虚拟筛选、活性评价和构效关系分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。