查询词典 extraction

An improved guanidine thiocyanate method has been developed for total RNA extraction from the leaves and roots of the succulent xerophyte Zygophyllum xanthoxylum which contains high levels of polyphenolics and polysaccharides. In order to remove polyphenolics interference, 4%β-mercaptoethanol was added in the extraction buffer.

针对多浆旱生植物霸王富含多酚和多糖类物质的特点，在常规异硫氰酸胍方法的基础上进行改进，摸索出一种霸王叶和根总RNA提取的方法。

Effects of alkali concentration, extraction temperature, ratio of solid to liquid and extraction time on yields of xylan were analyzed.

以稻壳为原料，采用制备综纤维素再碱提取的方法，分析了不同碱溶液浓度、温度、固液比和时间对稻壳半纤维素中多戊糖得率的影响。

The technology of extraction total alkaloids from the Abrus cantoniensis Hance was studied and the optimum ultrasonic extraction conditions were obtained through the orthogonal experimental design.

研究了鸡骨草总生物碱的超声提取工艺，通过正交试验得出了超声提取的最佳工艺条件。

The quantitative and qualitative analysis accordantly show that, steam extraction has little influence on the approach point temperature difference and heat recovery rate; however, the pinch point temperature difference slightly rises with the steam extraction, while the heat end thermal temperature difference greatly drops.

定性分析和解析结果表明，抽汽后接近点温差和余热回收率的变化甚微，节点温差略有增大，但热端端差迅速下降。

Study on pharmacologic action of anti-hyperlipemia for different extraction parts from Sedum aizoon L .,and study on pharmacologic action of anti-hyperlipemia for the conbinated extraction from the Sedum aizoon L and Rhizoma Alismatis

对养心草不同提取部位进行降脂药理作用的研究，并将其与泽泻提取物进行配伍研究降脂作用，最终确定养心草降脂胶囊的原料来源及其配比比例

To study on extraction of essential oil from Alpinia officinarum Hance by cellulase and ultrasonic, the effects of ultrasonic time, temperature and time of water bath, amounts of cellulase on the extraction efficiency of essential oil from Alpinia officinarum Hance were investigated. And the influence of the four factors was determined by orthogonal experiment.

研究了酶法、超声波辅助水蒸气蒸馏法提取高良姜中的挥发油，对超声时间、水浴温度、酶作用时间、酶用量进行单因素实验分析，在此基础上做正交实验。

We isolate the LCA binding glycosylated proteins from anosia human liver cell extraction and liver cancer cell extraction by LCA coupled epoxy magnetic particles, and the glycosylated fractions were separated by 2D gels which were analyzed by 2D ImageMaster to established disparity expression spectra between Chang Liver and SMMC-7721 firstly.

利用该方法对健康人肝脏细胞Chang Liver总蛋白、肝癌细胞SMMC-7721总蛋白及健康人血清进行了糖蛋白的分离纯化，结合2D电泳技术及其图像分析，建立了健康人肝脏细胞ChangLiver和肝癌细胞SMMS-7721 LCA结合糖蛋白的差异表达谱，分别得到蛋白质点148±5和209±7个，匹配点数为127，匹配率为85.36%。

Uses the strong sulfuric acid anthrone determination kelp polysaccharide the content, mainly uses the single factor experiment definite orthogonal experiment, makes the microwave radiation time, the liquid-solid separately compared to, the ph value as well as the extraction temperature to the kelp polysaccharide extraction quantity influence, determines the best experimental condition again by the orthogonal experiment.

采用浓硫酸蒽酮测定海带多糖的含量，主要利用单因素试验确定正交实验，分别做出微波辐射时间、固液比、ph值以及提取温度对海带多糖提取量的影响，再以正交实验来测定最佳实验条件。

This thesis used Ultrasonic Assisted Extraction and established pretreatment method for PBDEs and PBBs in both tea leaf and aquicolous propagation, and also optimized Soxhlet Extraction conditions on analysis of PBDEs and PBBs in sediment. This thesis consisted of five chapters.

采用超声辅助提取法作为提取方式，建立了适合于茶叶、鱼类和贝类样品中PBDEs与PBBs同时分析的样品前处理方法；优化了索氏提取法在沉积物样品中PBDEs和PBBs同时分析的条件。

Five methods namely improved CTAB method, CTAB-silica extraction method, SDS method, low pH extraction method with high salt and Zhou shiliang method were adopted to extract genome DNA from the leaves of Citrus aurantium. And three methods including ultraviolet spectrophotometer, agarose gel electrophoresis and SSR-PCR amplification were used to detect extracted sample DNA.

以枳壳叶片为试验材料，分别采用改良CTAB法、CTAB-硅珠法、SDS法、高盐低pH值法和周世良法5种方法提取枳壳基因组DNA，并通过紫外分光光度计、琼脂糖凝胶电泳及SSR-PCR扩增3种方法对所提取的DNA样品进行检测。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。