提取

The Chemical constituents in Dicranopteirs pedata were extracted by ultrasound-assisted solvent and preliminary separated by sub-step extraction method, and each group was analyzed by the thin layer chromatography.

采用超声辅助溶剂提取和分步萃取法对新鲜芒萁的化学成分进行提取和初步分离，采用薄层层析法对各个组分进行分析。

By alcohol method, based on single factor test, using response surface methodologyto study effect of extraction time, ethanol concentration and solid-liquid ratio on pentacyclic triterpenes extraction from Bamboo.

本研究采用乙醇提取法，在单因素试验的基础上，应用响应曲面设计(Respones surface methodology， RSM)研究了提取温度、乙醇浓度和料液比对竹叶五环三萜提取得率的优化工艺。

The image is thus represented by a set of regions-of- interest, which are more perceptually important than other parts of the image.

这样提取的区域是视觉上重要的区域，因此要优于现有的感兴趣区域提取方法。

ChinaThe optimum conditions of extracting flavonoids in the skin of phaseolus radiatus were investigated by using the orthogonal design.

研究结果表明：在 70℃下用6倍于绿豆皮重体积 3 0 %的乙醇回流提取 2次，每次 2 h，绿豆皮黄酮类化合物提取效果最好。

By using red blood cell broken-up solution,proteinase K and RNase,total DNA with high quality was extracted from the egg membranes in the incubated eggshells of two pheasant species,Reeves's Pheasant Syrmaticus reevesii and Ring-necked Pheasant Phasianus colchicus from Dongzhai Nature Reserve in Henan Province.

本实验以河南董寨自然保护区白冠长尾雉和环颈雉已孵化的卵壳为材料，利用红细胞破碎液、蛋白酶K及RNA酶等试剂，对卵壳膜内的总DNA进行了提取，建立了一种提取高质量DNA的新方法。

Results extraction times had the most significant effect and the time of extraction had least effect on the content of phillyrin.

结果提取次数对连翘苷含量有显著影响，提取时间影响最小。

So it is of much significance to study the mechanisms of ovule development and abortion of Chi- nese pine. By combining two-dimensional gel electro- phoresis (2-DE) and mass spectrometry analysis, the pat- terns of gene expression in a specific tissue at a specific stage can be displayed and characterized.

双向电泳和质谱技术结合研究基因表达的蛋白质组技术正越来越广泛地应用到植物研究中，我们将该技术应用到油松胚珠发育的研究中，比较了两种蛋白质提取的方法，发现蔗糖提取方法比传统的TCA 方法更适合于油松蛋白质的制备。

Under the selection pressure of crude toxin filtration, three kinds of treatment methods and four kinds of phytotoxin concentrations were used to screen the blast-resistant callus phenylalanine, The result indicated that the crude toxin filtration inhibited evidently the callus induction, subculture and differentiation, with the increasing of the toxin concentration, the inhibiting getting enhanced.

以稻瘟病病原菌粗毒素提取液为选择压，对水稻进行抗病性筛选，结果表明：粗毒素提取液对水稻愈伤组织诱导、继代及分化有明显的抑制作用，抑制程度随毒素浓度提高而增强，且品种间差异显著。

Leave;phenol content changes in different parts of Pistacia vera L. and P.chinensis Bge in the growth process;phenol extracte, identificate;browning change in cell ultrastructure of the tissue.

其内容包括阿月浑子总酚提取方法，不同组织中的总酚在生长过程中的动态变化；酚类物质的提取、鉴定；褐变发生时组织细胞超微结构的变化。

Then this technique was used for the extraction of the polysaccharides in the seeds of Plantago asiatica L.

结果表明，微波提取车前子多糖的最佳工艺参数为：车前子与水的质量比为1：15，在微波强度为60%的条件下提取65s。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失