植物化学的

MethodsHigh-performance capillary electrophoresis was used to analyze the chemical composition of Brassicaceae.

方法利用高效毛细管电泳法分析十字花科植物中化学成分（主要是以黄酮类成分为依据）的差异。

Distribution and Growth Characteristics of Calophyllum Inophyllum L.in Hainan Island;2. Eleven xanthones were isolated from the roots of Calophyllum inophyllum L .

为了进一步发现其活性成分，本文对藤黄科植物红厚壳根的化学成分进行了研究，从中分离得到11个呫酮类化合物，其中两个为新化合物。

Use: The solvent, colored cinefilm develop pharmaceutical to use as reeling off raw silk from cocoons with polyacrylonitrile fiber, chemical analysis reagent, make plant take off leaf pharmaceutical and herbicide that weed, and rubber industry make rubber deal with pharmaceutical, electroplate industry formulate, plate nickel electroplate liquid.

用作聚丙烯腈纤维抽丝溶剂、彩色电影胶片冲洗剂，化学分析试剂，制造植物脱叶剂和除草的除莠剂，以及橡胶工业作橡胶处理剂、电镀工业配制镀镍电镀液。

The research references of Leontopodium and Cirsium are reviewed.

本文对迄今为止火绒草属和蓟属植物的化学成分研究概况进行了综述。

Object To study the chemical constituents in lichen plant of Cladonia stellaris. Methods C.

目的 研究地衣植物太白花Cladonia stellaris的化学成分。

Two needle-shaped crystal chemicals were identificated from a plateau plant Halenia elliptica D. Don. Some analysis methods, such as EA, MS, NMR, FTIR and UV spectrometly, as well as melting point analysis, were used for the characterization of them, results showed that they were 1,3-dihydroxy-4,5,8-trimethoxyxanthone and 1-hydroxy-2,3,4,8-tetramethoxyxanthone.

提取并鉴定高原植物椭圆叶花锚的全草中2种针状结晶化合物；采用元素分析、核磁共振波谱、质谱、红外光谱、紫外光谱、熔点测定等分析方法，对其化学结构进行表征；产物分别为1，3-二羟基－4，5，8-三甲氧基酮和1-羟基－2，3，4，8-四甲氧基酮。

Objective: To study the chemical constituents of Incarvillea mairei var .

目的：研究紫葳科角蒿属植物大花鸡肉参的化学成分。

Ligustrazine is a kind of the alkaloid monomer which is extracted from the rhizome of the umbelliferae Ligusticum wallichii. Chemistry structure is 2, 3, 5, 6- Tetramethylpyrazine.

川芎嗪是从伞形科植物川芎根茎中提取分离的生物碱单体，化学结构为2，3，5，6-四甲基吡嗪，目前已可人工合成。

The constituents of 15 species of Ligustrum have been studied.

在约 5 0种女贞属植物中已进行化学成分研究的有 15种。

The thesis described the study on the chemical constituents and their bioactivity of two kinds of plants, Davidia involucrata Baill and Ligustrum sinense.

本论文对珙桐和女贞小腊两种植物的化学成分进行了研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。