thalloid

We collected three kinds of tundra plants including Dicranum angustum, Puccinellia phryganodes and Salix polaris each on total 12 different sites from a coal-mining gradient profile in Ny-lesund (78°55′N, 11°56′E), Arctic.

分析了采自北极新奥尔松(Ny-lesund)(78°55′N,11°56′E)煤矿开采区水平剖面12个点位上的三种苔原植物Dicranumangustum(苔藓类植物)、Puccinelliaphryganodes(穗状植物)和Salixpolaris(管状植物)及土壤中10种重金属(Hg、Pb、Cd、Cu、Zn、Ni、Fe、Mn、As、Se)及S、TOC的含量。

systemically,and provide scientific evidence for identification and application,the paper adopts original plant identification,morphological,microscopic indentification,thin layer chromatography(TLC).

方法:采用原植物、性状、显微、薄层鉴定方法。

The original plant identification,morphological,microscopic identification,thin layer chromatography(TLC) are adopted to identify the original plants used as national medicine Morinda officinalis How by systematical identification of pharmacognosy,providing the scientific evidence of identification and application.

采用原植物、性状鉴别、显微鉴别和薄层鉴定的方法对民族药巴戟天进行鉴别,为其鉴别及应用提供科学依据。

The original plant identification,morphological,microscopic indentification,thin layer chromatography(TLC) are adopted to identify the original plants used as national medicine Andrographis paniculata(Burm.

采用原植物、性状、显微、薄层鉴别方法对民族药穿心莲进行系统的生药学鉴定,为其鉴别及应用提供科学依据。

The original plant identification,morphological,microscopic indentification,thin layer chromatography(TLC) are adopted to identify the original plants used as national medicine Portulaca grandiflora Hook by systematic identification of pharmacognosy,providing the scientific evidence of identification and application.

采用原植物、性状、显微、薄层鉴别方法对民族药太阳花进行系统的生药学鉴定,为其鉴别及应用提供科学依据。

The geographic distribution,ecological environment, original plant,natural resource deficiency,Cultivation,chemical composition,pharmacologic activity and the application of Anoectochilus Roxburghii were reviewed.

阐述了金线莲的地理分布、生态环境、原植物、自然资源匮乏的原因、人工培养、化学成分、药理活性及其应用等,并对金线莲今后的研究作了展

Two needle-shaped crystal chemicals were identificated from a plateau plant Halenia elliptica D.

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(EA)、核磁共振波谱(NMR)、质谱(MS)、红外光谱(IR)、紫外光谱(UV)、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。

It is the first time for high content Rhapontinum to be obtained from　Rheum tanguticum Maxim of plateau plant.

鉴定高原植物唐古特大黄(RheumtanguticumMaxim。

The botanical origin and pharmacophylogenetic treatment of Chinese materia medica Beimu;

中药贝母的基原植物和药用亲缘学的研究

Ecology effect of retrieving grassland from grazing on desertification grassland vegetation in Anxi;

退牧对安西荒漠化草原植被的生态效应

The content characteristics on Fe, Mn and Cu in the grassland vegetation of Xilin River Basin;

Fe、Mn、Cu在锡林河流域温带草原植被中的含量特征

The advance of technology of remote sensing monitoring for grassland vegetation in China, especially administered by the Ministry of Agriculture of China, is reviewed in this paper.

在回顾我国草原植被遥感监测方法的基础上,重点介绍目前农业部在草原植被遥感监测中所使用的方法及其局限性。

Researches on nutrient return of litterfall in the alpine tundra ecosystem of Changbai Mountains;

结果表明 :长白山高山冻原植被凋落物量为 1。