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- Result: The antibiotic active component was methenamine from the basic extraction part of Zantedeshia aethiopica.Conclusion;The compound was firstly separated from Zantedes... 结果与结论:从马蹄莲碱性提取物中,分离并鉴定了抗菌活性化合物为六亚甲基四胺,该化合物系首次从马蹄莲中分离得到。
- Method: The active component was abtained from basic extraction part, techniques of neutral Al2 O3, Silica gel and HPLC chromatogram were used, and its chemical structure was identified by UV, IR, MS, 1H NMR and 13C NMR spectral data analysis. 方法:将碱性提取物用中性氧化铝、硅胶柱色谱和HPLC色谱等技术,分离得到活性成分,它的化学结构通过UV、IR、MS、1H NMR和13C NMR波谱分析确证。
- An automatic text summarization method was proposed in this paper, which took sentence as the basic extraction unit and weighted each sentence by considering the topic-related phrases. 摘要提出的摘要方法，以句子为基本抽取单位，以兴趣主题词为句子的加权特征。
- The results showed that：the extractive rate of sorite extraction method with 95% ethanol ,sorite extraction method with 70% and basic extraction method respectively is 0.0497, 0.0453 and 0.0379. 实验结果表明：在提取皂甙的方法中，95%25索氏提取法的提取率0.;0497，70%25索氏提取法的提取率为0
- The mathematical model on the factors and the extraction rate had been set up, and we defined the extraction technology parameters and basic extracting condition of Selenium polysaccharide. 建立了因素和浸提率的数学模型，初步确定了硒多糖的最佳提取工艺参数组合和基本技术条件。
- It's almost impossible to agree on a unified basic price. 几乎不可能商定一个划一的基本价格。
- Let me enlarge on this basic theme. 让我进一步阐述一下这个基本主题。
- Let's examine into the basic mechanism involved. 让我们把有关的基本结构搞搞清楚。
- The family is the basic unit of society. 家庭是社会的基本单位。
- Children begin to learn basic morals in the kindergarten. 孩子们从幼儿园开始学习基本的道德规范。
- Traders sold basic commodities to the tribesmen. 商人向部落里的人出售生活必需的商品。
- The basic theme of these stories never varies. 这些故事的基本主题永远不变。
- BASIC is the language most programmers learn first. BASIC是大多数程序编制者首先学习的语言。
- It was Hart who created the basic formula of the western film. 正是这个哈特创造了西部电影的基本格局。
- The basic assumptions or principles of a subject. 基本原则，基本假设某一学科的基本假设或基本原理
- Dividing into elemental parts or basic principles. 分解的分成基本部分或基本要素的
- These requirements are absolutely basic to a good relationship. 这些条件是良好的关系必不可少的。
- Not derived from something else; primary or basic. 基本的不是从它物派生的; 原本的或基本的
- The Church should give more of a lead on basic moral issues. 教会应当就基本道德问题多做出些榜样。
- basic extractant 碱性萃取剂
