植物化学

There are indications that pleiotropic plant hormones may actually function by activating the enzymes that release these other, more specific chemical messengers from the cell wall.

有证据表明，植物激素的多效性实际上可能通过激活这些酶，再释放这些来源于细胞壁的其他更专一的化学信使而完成。

Objective To study the chemical constituents of the 95% EtOH extract of the rhizoma of Polygonum bistorta L.

目的分离蓼科蓼属植物拳参根茎 95 %乙醇提取物的化学成分并进行鉴定。

It is suggested that the integrated ragweed management which combines plant displacement with physical control based on biological control will be a major approach for control of ragweeds in the future.

提出以生物防治为主体，结合植物替代控制和物理防治，尽可能地不实施化学防治的的综合治理体系是未来豚草防治的一个主要途径。

To suppress the spread of the ragweed, there have been a lot of studies on their chemical control, physical control, plant displacement and biological control.

为抑制其种群蔓延，前人开展了化学防治、物理防治、植物替代和生物防治等对豚草的防控研究。

OBJECTIVE To study the chemical constituents in the fruit in Rubus chingii Hu.

目的对蔷薇科悬钩子属植物掌叶覆盆子的果实进行化学成分研究。

Object To study the chemical constituents from the root of Rubus innominatus S. Moore.

目的 研究蔷薇科悬钩子屑药用植物白叶莓Rubus innominatus根部的化学成分。

Tseng resource, The extraction, purification and determination of saponins in Ilex Kudingcha C.J.Tseng were firstly researched, a RP-HPLC method was established for determination the content of oleanolic acid and ursolic acid in Ilex Kudingcha CJTseng simultaneously. At the same time, the technical parameters of sapogenin extraction sapogenin and the solvent system of HPTLC for separation the sapogenins was seeked. The main results are as follows:1. A spectrophotometric method was established for quantitative determination the total content of saponins in Ilex Kudingcha C.J.

为了推进苦丁茶化学成分生物活性研究，挖掘该植物的药用价值和为其资源的综合开发应用提供科学依据，本文研究苦丁茶皂苷的检测方法、探讨苦丁茶皂苷的提取纯化条件、建立HPLC法同时检测熊果酸和齐墩果酸的含量、摸索苦丁茶皂苷元的提取工艺参数并确定苦丁茶皂苷元薄层层析的溶剂体系。

Results Based on the botanical metabonomic concept, a novel valuable sesquiterpene compound has been quickly isolated from the aerial part of Carpesium lipskyi.

结果以基于植物代谢组学概念的混合物氢谱测定方法为指导，从高原天名精中快速分离得到有价值的倍半萜类化合物，避免了天然产物化学经典分离方法的大量、无意义的重复实验，提高了发现先导化合物的效率。

Growing from the forming of flame combustion process and plant of the snow flake, one can all realize the existence of chemical meaning. Moreover, one can find the world to be profound to reach, observe fixed star and evolve theory examine, and even as small as plastic bag, wash bowl precise, catalyst converter, nanotech material in detail.

从雪花的形成、火焰燃烧过程以及植物生长等，都可体会到化学意涵的存在，甚至大到发现世界奥妙，观测恒星和演化论推究，小到塑胶袋、洗碗精、触媒转换器、奈米材料中都可一窥其境。

NATURE FUND bring each of your products are extracted from natural plants, not mixed any petrochemical substances, animal ingredients, chemical pigment and artificial spices, all-round use of organic cultivation of herbs and various natural extracts sperm extraction oil to meet the highest quality requirements and standards.

NATURE FUND带给您每一项产品都是从天然植物中萃取，没有参杂任何石化物质、动物性成份、化学色素及人工香料，全方位地使用有机栽培的药草萃取液以及各种天然萃取精质油，以符合最高质量的要求和标准。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了