查询词典 extraction

Based on the single experiment, orthogonal experiment was designed to optimize extraction technology parameters such as temperature, extraction time and enzyme dosage of jujube juice from Zizyphus Jujube Mill grown in Yanchuan Shaanxi Province.

以延川团枣为材料，在前期单因素试验的基础上采用正交设计试验方案，对温度、提取时间和酶用量等提取红枣汁的工艺参数进行优化。

The effects of every main factors on extraction ratio are discussed, and the optimum conditions of extraction effective components from zizyphus jujuba are determined with the orthogonal test. Optimum conditions are obtained by using a new method of H2O2-decoloring in alkalescent condition, and effects of correlation factors on decoloring ratio are discussed. The yield ratio of polysaccharide is above 5.26% under these optimum conditions.

首先研究了不同提取过程中各因素对多糖提取率的影响，结合正交实验确定了微波最佳提取工艺条件；然后采用双氧水弱碱性条件下脱色新工艺，并对脱色各影响因素对多糖脱色率的影响进行了讨论，最终得出最优脱色条件，使多糖得率达到5.26％以上。

Experiment was conducted with mature leaves of Zizyphus jujuba Mill. cv. Chuangan (stored at -20℃,-70℃, dried with silica gel) and 3 methods, including CTAB, high salt precipitation and high salt and low pH were used for total DNA extraction for studying their effects on DNA extraction.

以串杆枣的成熟鲜叶为试材，分别采用-20℃、-70℃和硅胶脱水干燥3种方法保存样品，采用简易CTAB法、高盐沉淀法与高盐低pH值法分别对3种方法保存的样品及对照样进行了基因组DNA提取效果的比较分析。

The cross-current flow extraction of substituted anilines from aqueous solution was conducted with extractant which has high extraction efficency and is easy to be biodegraded.

选择萃取效率高、生物降解性好的溶剂对取代苯胺进行了错流萃取的研究，并对萃取后水相的生物降解性进行了研究。

Contents of resveratrol and emodin in the extract of fermentation broths were 1.3 and 2.3 times higher,respectively,than that by MAE,and 1.4 and 2.6 times higher, respectively,than that by stirring extraction at room temperature,while contents of glucose and polysaccharides in the extract were 27%and 79%,respectively,of that by MAE and stirring extraction at room temperature.

发酵液提取物中白藜芦醇和大黄素的含量分别为微波辅助提取的1.3倍和2.3倍，分别为常温搅拌提取的1.4倍和2.6倍，而葡萄糖和多糖的含量分别为后两者的27%和79%。

Before starting on the laborious job of extraction , I roughly comped in the new photo with a very rough extraction and color fix .

出发之前就费力的工作，提取，我粗略comped在新的照片，一个非常粗略的提取和颜色修补程序。

Combined with the requirement of real project,the statistic concept of believing degree is introduced into feature extraction and a dynamic algorithm for effective feature extraction is proposed,which is based on accuracy requirement and capable of constringing the feature dimension while reducing leaked or pretend alarm probability.

结合实际工程中的某些要求，将统计学中的置信度概念引入特征提取中，提出了一种按照精度要求进行有效的特征提取的算法，该算法能够实现在抑制漏警错误或者虚警错误的同时降低特征维数的功能。

Combined with the requirement of real project,the statistic concept of believing-degree is introduced into feature extraction and a dynamic algorithm for effective feature extraction is proposed,which is based on accuracy requirement and capable of constringing the feature dimension while reducing leaked or pretend alarm probability.

摘 要：结合实际工程中的某些要求，将统计学中的置信度概念引入特征提取中，提出了一种按照精度要求进行有效的特征提取的算法，该算法能够实现在抑制漏警错误或者虚警错误的同时降低特征维数的功能。

Those methods can be used to determine the content of naringin, pectin and biofavonoids in the peel or the extraction in those ranges of linear line.(2) The process of extraction, discoloring, separation of pectin is studied in detail.

同时建立了样品中生物类黄酮的分光光度法测定方法和样品中果胶含量的咔唑显色法测定分析方法。

According to the physiochemical properties of anthocyanin, methanol solution containing 0.1 mol/L HCl was selected as the extraction solution, then grape pomace lixiviated for 30～40 min with pH=3.0～4.0 and temperature at 60～70 ℃, and then the liquid or paste extract was prepared after a series of technical procedures including extraction, centrifugation, filtration and vacuum concentration.

本课题根据花色素苷的理化性质，选择了用0.1 mol/L 的HCl的甲醇溶液作提取剂，在pH值为3.0～4.0及60～70 ℃温度下浸提30～40 min，再经萃取、离心、过滤、减压浓缩，可得到液态或膏状提取物，并通过了分析检测；还对花色素苷在食品工业中的应用作了研究。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。