Using the steroidal alkaloids for the chemotaxonomic characters, the evidences of chemotaxonomy and plant systematics of Buxaceae were studied.
本文讨论了黄杨科植物甾体生物碱成分的结构特征 ;以甾体生物碱作为化学分类学的特征物质 ,初步探讨了黄杨科植物化学分类学的依据和系统位置 ;同时讨论了黄杨属 (Buxus)、板凳果属 (Pachysandra ,又称富贵草属 )和野扇花属 (Sarcococca) 3属间的相互关系 。
Novel Application of FTIR in Medical Herb Chemotaxonomy;
在传统形态比较分类方法的基础上,FTIR可以成为一种快速、可靠、客观、有效的化学分类学的补充方法。
OBJECTIVES To introduce a simple chemical pattern recognition-Hierarchical cluster analysis in chemical classification of Chinese medicinal materials.
由此,给中药材化学分类学提供了一种快速、有效的客观评价方法。
Further research on chemotaxonomy of paeonol and analogs in Paeonia (Ranunculaceae);
芍药属丹皮酚类化合物的化学分类学意义再探
Simple and convenient application of ~1H-NMR method in the chemotaxonomy of Apioideae;
核磁共振氢谱法在芹亚科植物化学分类中的简便应用
A Preliminary Study on Chemotaxonomy of Cirsium Adans. from North China;
华北蓟属植物的化学分类初探
Taking Karst Water system of fault zone water source site in Yishan,Xilong River as an example,the paper presented hydrochemical classification of Karst Water using the fuzzy cluster analysis method and compared the method with the Shukaliefu method.
以西龙河峄山断层带水源地岩溶水系统为例,着重利用模糊聚类分析法进行了岩溶水化学分类,并且与舒卡列夫分类法得到的结果作了比较分析,最后得出结论:模糊聚类分析法分类更合理,更能系统地、全面地反映地下水各种属性、含水层间的水力联系以及地下水的补排关系。
The chemotaxonomy of marine phytoplankton;
海洋浮游藻类的化学分类法
The phytoplankton chemotaxonomy based on HPLC was successfully utilized to identify phytoplankton assemblage in Guanqiao experimental system.
分离到的主要标志性色素按洗脱时间分别为脱植基叶绿素a、19′-丁酰氧岩藻黄素、叶绿素c、脱镁叶绿素a、多甲藻素、甲基脱植基叶绿素a、岩藻黄素、新黄质、紫黄质、蓝藻叶黄素、硅甲藻黄素、硅藻黄质、叶黄素、玉米黄素、叶绿素b异构体、叶绿素b、叶绿素a异构体、叶绿素a和β-胡萝卜素;其中在纯培养的铜绿微囊藻中首次鉴定到19′-丁酰氧岩藻黄素;通过官桥基地的实际监测,证实了该技术应用的可行性,为基于HPLC分析技术的浮游植物化学分类法提供了理论依据。
Chemical Constituents Investigation on Aralia Subcapitata and Chemotaxnomic Study on Aralia.;
安徽楤木化学成分研究及楤木属化学分类学探讨
Chemotaxonomy (biochemical systematics; biochemical taxonomy) A system of classification of plants based on the nature of their metabolic products (metabolites).
化学分类学：以植物的代谢产物特性为依据的植物分类系统。
Ethologic anthropology: A branch of cultural anthropology;
文化人类学的一门分支学科:生态人类学
Chemistry in university is consist of Organic Chemistry, inorganic Chemistry and physical chemistry.
在大学中，化学分为有机，无机和物理化学三大类。
Study Result Classification Theory and Chemistry Teaching Task Analysis;
学习结果分类理论与化学教学任务分析
The systematic grouping of organisms into categories on the basis of evolutionary or structural relationships between them;taxonomy.
分类学按生物间进化关系或结构关系分类的系统方法；分类学
The Theoretical Front of Anthropology;
基本文化分类概念:人类学的理论前沿——人类学学者访谈录之十七
Eco-anthropology constitutes an important part of anthropology.
生态人类学是文化人类学的一个重要组成部分。
Study on Chemical Constituents of Urena lobata L.I.Flavonoid Constituents
地桃花化学成分研究.Ⅰ.黄酮类化学成分
Study on Chemical Constituents of Urena lobata L.Ⅱ.Phenolic Acid Constituents
地桃花化学成分研究.Ⅱ.酚酸类等化学成分
A Study on Reform in Education on Courses of Analytical Chemistryin in Medical College and University;
高等医学院校分析化学类课程教学改革探讨
Studies on the Application of Heterocyclic Complexes in Electroanalytical Chemistry;
杂环类化合物在电分析化学中的应用
Classification for chemicals and design standards for ships carrying chemicals in bulk;
化学品分类及散化船舶设计标准(英文)
Carbohydrates are one of the four major classes of biochemical molecules.
碳水化合物是四大类生物化学分子中的一类。
The Application of Classification Theory on Study Result to Chemistry Task Analysis;
学习结果分类理论在化学任务分析中的应用
All changes of matter fall into two broad classes:physical and chemical changes.
物质变化分为两大类：物理变化和化学变化。
generalized expectancy
类化预期(心理学)
Methods of Multivariate Statistical Classification of Hydrochemical Type of Qinghai Salt Lake
青海盐湖水化学类型的多元统计分类法