黄

Green tea contains a number of flavonols with the basic structure Specific flavonols found in tea include myricetin (hydroxyls at carbon 3', 4', and 5'), quercetin (hydroxyls at positions 3' and 4'), and kaempferol (hydroxyl at position 4'), and their glycosides.

绿茶含有一些黄酮醇，其基本化学结构为：茶中特有的黄酮醇有杨梅黄酮(3'、4'、5'碳位上羟基化)、豕草花粉苷(3'和4'碳位上羟基化)，莰非醇(4'碳位上羟基化)，以及它们的糖苷物。

Daidzein can induce expression of VTG mRNA inserum-free medium in vitro, and has co-effect on expression of VTG mRNA with differentconcentration of E_2, which might be related with the up-regulation of the gene expression ofERβ.

在低雌激素背景下，一定剂量的大豆黄酮能促进VTG mRNA的表达；而在高雌激素背景下，大豆黄酮对VTG mRNA的表达具有拮抗效应，且大豆黄酮可能通过ERβ调节VTG基因的表达。

In patients given 13- cis -retinoic acid and vitamin E, there was a statistically significant reduction in parabasal layer cell growth compared with the placebo treatment, but not in those given 9- cis -retinoic acid.

在接受13-顺式视黄酸和维生素E的患者中，他们副基底层细胞生长显著降低，当分析活组织切片时，使用13-顺式视黄酸和9-顺式视黄酸的治疗都显著降低了细胞生长。

Methods The scutell aria and phellodendron were identified by thin layer chromatography and the content of berberine hydrochloride was determined by thin layer chromatography scanning.

采用薄层色谱法对处方中的黄柏和大黄进行定性鉴别；用薄层扫描法测定黄柏中盐酸小檗碱的含量。

Phellodendron amurense Rupr. stem segment with axillary bud and top bud were cultured with MS and 1/2MS medium in this experiment,in order to study the effects on rapid propagation of P. amurense in different culture conditions.

摘要以黄檗带顶芽和腋芽的茎段为材料，以MS和1/2MS为基本培养基，进行黄檗组培苗的快速繁殖，以研究不同培养条件对黄檗快速繁殖的影响。

Gathered in different growth years and from different habitats in Sichuan. MethodsThe samples were determined by means of ICP/AES. The principal components analysis and cluster analysis of SPSS were applied for the study of characteristic elements. ResultsThe analysis results showed that Al,Ca,S,Fe,Mn,Ni,Pb,and Cd might be the characteristic elements in Phellodendron chinense Schneid.

方法采用ICP-AES法，对不同产地的川黄柏中16种微量元素的含量及川黄柏不同生长年限元素含量的变化进行测定，以微量元素含量为指标，用SPSS主成分分析法和聚类分析法对川黄柏中的特征元素进行分析。

Aromatic constituents of Huangdan Oolong tea were analysed with GC and MS and were compared in different green-making humid conditions.The major aromatic constituents of Huangdan Oolong tea were nerolidol,α-farnesene, linalool and its oxide, geraniol, pheny lacetal dehyde, indole, cis-jasmine lactone β-ionone cis-jasmone, benzyl acetate and so on.At the same temperature,the content of aromatic constituents were different, the aromatic quality in the 75% humid condition was better,which was more fragrant and kept longer.

用GC/MS法分析了黄旦品种乌龙茶的香气组分，并对不同湿度做青环境条件下生产的乌龙茶香气组分进行比较分析表明：黄旦乌龙茶主要香气成分为橙花叔醇、α-法呢烯、芳樟醇及其氧化物、香叶醇、苯乙醛、吲哚、顺-茉莉内酯、β-紫罗酮＋顺-茉莉酮、乙酸苄酯等；在相同温度（23℃），不同湿度做青环境生产的黄旦乌龙茶香气主要特征成分含量和精油总量各不相同，且香气品质以做青环境相对湿度75％为好，香气高且持久。

The international nutrient value assessment method was applied to the overall assessment of the protein nutrient value of Pholiota adiposa mycelia. The assessing result showed that the total essential amino acid in Pholiota adiposa mycelia was very high, making up to about 40.0% of the total amino acids.

相对黄伞子实体的栽培而言，通过液体发酵技术生产黄伞菌丝体具有产量高、周期短、不受气候变化的影响、条件易于控制等优点，因此，对黄伞菌丝的液体发酵工艺和菌丝体的营养价值进行研究具有重要的实际意义。

The nutrient value of Pholiota adiposa mycelia cultivated at 25℃, pH=6.0 and cultivated for 4d was higher. The amino acids score, chemistry score, essential amino acids index, biological value, Nutritional index and score of ratio coefficient of amino acid of its protein were 91.0, 70.6, 88.36, 84.61, 40.34 and 78.75 respectively.

本文测定了不同培养时间和PH值的黄伞菌丝蛋白质的含量及其氨基酸组成，并采用国际上通用的评价方法对不同培养条件的黄伞菌丝蛋白质营养价值进行了全面的评价，为黄伞资源的开发利用和科学研究提供可靠的理论依据。

The genomic DNA were extracted from the leaves of Polygonatum roseum in Xinjiang and the primers were designed according to conservative sequences of Polygonatum lectins gene.

用百合科黄精属植物凝集素基因的保守序列为引物，从新疆黄精的叶中克隆出黄精凝集素的全长cDNA。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐