1.Five compounds were isolated from the alcoholic extract of Centella asiatic , they are β sitosterol, daucosterol, asiatic acid, vanillic acid and asiaticoside. The occurance of daucosterol and vanillic acid in this species was reported for the first time.
从伞形科植物积雪草 Centella asiatica( L.) U rb中分离并鉴定了 5个化合物 ,它们是 :β-谷甾醇 ( β-sitosterol,1) ,胡萝卜甙 ( daucosterol,2 ) ,积雪草酸 ( asiatic acid,3) ,香草酸 ( vanillic acid,4 )和积雪草甙( asiaticoside,5) ,其中化合物 2 ,4为首次从积雪草中分得
2.Black bear, is also called the Asia black bear( Selenarctos), English name: Asiatic Black bear.
黑熊，也称亚洲黑熊(Selenarctos thibetanus)，英文名称：Asiatic Black bear.
3.In this study, the whole process of propagation of floral organ of lily (L. Asiatic Hybrid) in vitro was conducted.
采用组织培养的方法进行百合快繁具有很重要的意义。 本文以亚洲百合变种(L．Asiatic hybrid)花器官为试材，研究其离体快速繁殖技术，探讨了主要的影响因素，初步建立了百合花器官快速繁殖体系。
4.Rapid Propagation of Floral Organ of Lily (L.Asiatic Hybrid) in Vitro
百合（L.Asiatic Hybrid）花器官离体快速繁殖技术的研究
5.Four terpenoid compounds were isolated from the roots of Peucedanum rubricaule for the first time. On the basis of spectroscopic methods and X-ray analysis,they were determined as sinodielides A(1),B(2),asiatic acid(3) and ursolic acid(4).
从云前胡(Peucedanum rubricauleSheh et Shan)的乙醇提取物中首次分离并鉴定了4个萜类化合物,分别为sinodielides A(1)、B(2),积雪草酸(asiatic acid,3)和乌苏酸(ursolic acid,4)。
6.In order to accelerate the molecular biology research of Lilium asiatic hybrids, DNA of Lilium asiatic hybrids was extracted from the fresh leaves by CTAB. The optimized reaction system for Lilium asiatic hybrids are as follows.
为了促进亚洲百合分子水平的研究,以亚洲百合幼嫩叶片为材料,采用改良CTAB法提取亚洲百合基因组DNA,得到的DNA质量较高,适合于RAPD-PCR分析。
7.Twenty one species (14％) belong to cosmopolitan elements, and in addition, there are some Holarctic elements, European and Asiatic elements and American and Asiatic elements.
世界广布种占14％; 尚有广布整个北半球的泛北极种类,分布欧亚大陆的种类以及亚洲和美洲间断分布的种类。
8.Among Palearctic species, there are 156 Centro-Asiatic species (38.6%), 102 Pan-Palearctic species (25.2%) and others are endemic species, Centre-Centro-Asiatic species and Europe-Sibirica species;
在古北种中,中亚细亚种156种,占种类数的38.6%,泛古北种102种,占25.2%及特有种、中央亚细亚种和欧洲—西伯利亚种等多种成分;
9.At present, there are 200000 mu of land on which asiatic laburnum is planted or was ever planted three years ago in mountainous areas in southern Jilin Province which is the main growing area of asiatic laburnum.
吉林省南部山区是我国人参的主要产区,现有已参地和近三年参后地近20万亩。
10.110±293 ( n =4?639) Asiatic black bears in the Province. Brown and Asiatic black bear distribution densities were (0 002?2±0 000?5) indiv.
黑熊的分布数量为 (1 1 1 0± 2 93 )头 (n =463 9) ,种群密度为 (0 0 0 65± 0 0 0 1 7)头 km2 。
