为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

首次报道了华南地区兔儿风属(Ainsliaea DC.)(菊科-帚菊木族Asteraceae-Pertyeae)3种植物共4个居群的染色体数目和核型.其中长穗兔......

Cytological characters of four species in Syncalathium (Asteraceae: Lactuceae), a small genus with six identified specie......

Chaetoseris and Stenoseris are two morphologically close genera from the tribe Cichorieae of the sunflower family and th......

蓝花野茼蒿Crassocephdum rubens(Juss.ex Jacq.)S.Moore是一种原产非洲的常见菊科杂草,近年在我国云南发现有逸生,为我国新记录的......

The nuclear ribosomal ITS region and the chloroplast trnL-trnF (trnLF) intergenic region were sequenced for 45 accession......

Tagetes L.,the genus in the family Asteraceae,consists of about 30 species spread in South and Middle America as well as......

Two new sesquiterpene lactones, notoserolides A and B, along with 12 known compounds were isolated from the aerial parts......

A new sesquiterpene lactone glucoside, notoserolide C (1), was isolated from the whole plant of Notoseris psilolepis Shi......

从显脉旋覆花(Inula nervosa Wall.)地上部分的75%乙醇提取物中分离到13个化合物,经波谱鉴定为紫菀酮(1),β-谷甾醇(2),α-菠菜甾......