植物化学的

Progress on Research of chemical constituents of Ailanthus, especially alkaloids and triterpenes is reviewed.

综述了臭椿属植物化学成分的研究进展，详细总结了主要化学成分生物碱及2000年至今所发现的三萜类化合物的研究进展。

Some typical issues in the construction and maintenance of TCM database, involving ethnomedicine, phytochemistry and plant taxonomy etc., are also discussed with abundant instances.

通过实例指出了中药信息资源建设与维护中涉及到民间药物、植物化学、植物分类学等亟待解决的若干问题，同时论述了对中药信息学进行资源拓展的必要性和国际化的发展道路。

The development and history of chemical control for powdery mildew was briefly reviewed, and some important fungicides and the mechanism of their action were introduced.

对植物白粉病的化学防治历史和发展进行了综述，同时介绍了一些重要的药剂及其作用机制，并讨论了白粉病化学防治中存在的问题。

The review focused on recent developments concerning the chemical constituents of dipsacaceae species,their biological activities and clinical application.

川续断科植物的研究进展，临床医学论文，医药学论文从化学成分、药理作用和临床应用三方面综述了川续断科植物最近的研究进展。

ChromaDex was established in 1999 to become the market leader in the creation and supply of botanical reference standards along with related phytochemical products and services.

ChromaDex 成立于1999年成为市场的领导者创造和供应植物参考标准以及相关的植物化学成分的产品和服务。

It's also rich in the phytochemical group called "carotenoids"(found in yellow/orange veggies)– this one is called "beta-xanthine."

玉米还富含一种叫类胡萝卜素的植物化学物质群（可在黄色i或橙色的蔬菜中找到），被称作β植物黄质。

Based on chemical, pharmaceutical (both ethnopharmacologic and pharmacological) information, linking with different plant systems of Ranunculaceae.

将有关本草的植物化学、疗效等信息数据与植物亲缘关系进行综合的研究分析。

Bycomprehensive use of phytochemical isolation methods, 37 compounds were isolated 5from the methnol-chloroform extract of P. telfairia, by methods of modern spectroscopy,six compounds' structures were elucidated, including 2 kinds of fatty acids, 2 kinds ofsterols and 2 kinds of are esters of sterol and fatty acids. Five of them were reported forthe first time on the chemical constituents' research of P. telfairia. Otherwise, weperformed GC-MS analysis of the volatile fraction in this extracts, the result revealedseveral constituents such as alkyl hydrocarbons and methyl esters of fatty acids.

综合利用各种植物化学分离手段，从海头红的甲醇-氯仿（1 ：1）提取物中分离到单体化合物 37 个，采用多种现代波谱技术手段鉴定了其中 6 个化合物的结构，包括 2 个脂肪酸类成分，2 个甾醇类成分，以及 2 个甾醇的脂肪酸酯，其中 5 个在海头红化学成分研究中为首次报道；另外还对该提取物的挥发性成分作了 GC-MS 分析，显示含有烷烃及脂肪酸甲酯等成分。

"This structure plays an important role in theories of chemical structure and colour, since quinones occur as pigment s in bacteria, fungi, and certain higher plants; animals containing quinones obtain them from plants they eat."

结构对化学结构和颜色关系的理论起着重要作用。类化合物存在于细菌、某些真菌以及各种高等植物组织中。少数动物中，则是从它们所食的植物摄取的。

Studies on capacity of asexual reproduction of invasive species under disturbed conditions can help us to understand their establishment potential.

研究入侵植物对入侵生境中本地植物物种的化感作用，则有助于了解其成功入侵的化学生态学机理。

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