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特有成分     
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  endemic element
     The species can be divided into 7 geographical elements, i.e. Cosmopolitan element (27.8%), Tropical element (34.0%), Tropical American element (10.4%), Tropical Asian element (10.8%), Temperate element (13.9%), East Asian element (0.8%) and Endemic element to China (2.3%).
     从种的区系成分上可分为:1.广布成分(27.8%),2.热带成分(34.0%),3.热带美洲成分(10.4%),4.热带亚洲成分(10.8%),5.北温带成分(13.9%),6.东亚成分(0.8%),7.中国特有成分(2.3%)。
短句来源
     The authors divided these genera into 5 geographical elements, i.e. Cosmopolitan element (66.7%), Pantropical element (9.7%), Tropical Asian-Tropical American element (1.4%), Temperate element (20.8%) and Endemic element to China (1.4%).
     从属的区系成分上可分为:1.广布成分(66.7%),2.泛热带成分(9.7%),3.热带亚洲—热带美洲成分(1.4%),4.北温带成分(20.8%),5.中国特有成分(1.4%);
短句来源
     Endemic element is 22 species(10.6%);
     特有成分22种,占10.1%;
短句来源
     The authors have divided thee species into 5 geographical elements, i.e. Cosmopolitan element (36.6%), Tropical element (5.8%), Asian element (3.8%), East Asian element (26.9%) and Endemic element to China (26.9%).
     虫草属是一个广布的属。 从种的区系成分上可分为:1 广布成分(36 6%),2 热带成分(5 8%),3 亚洲成分(3 8%),4 东亚成分(26 9%),5 中国特有成分(26 9%)。
短句来源
     Following the East Asia element, including the Chinese endemic element, the Sino-Japan element, the Sino-Himalaya element, consists of 49 species, accounting to 29.52% of the total.
     其次为东亚成分(包括中国特有成分、中国-日本成分和中国-喜马拉雅成分)有49种,占总种数的29.52%;
短句来源
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  endemic elements
     The geographical elements of the flora of Clematis are rather simple, of which Chinese endemic elements are dominant, amounting to 68.6% of the total species from Hubei.
     湖北铁线莲属的地理成分以中国特有分布为主,中国特有成分占湖北种类总数的68.6%。
短句来源
     tropic-subtropic elements approximating to 8.33% of the entire flora in the region, tropic-temperate elements 22.71% , temperate elements 43. 18%, Cos-mopolitan elements 9.85% ,Qinghai-Xizang endemic elements 14. 39%,north polemoun-tain elements 1.51%. Temperate elements in this region are dominant. The dominant species of mires,Carex lasiocarpa,in this region is also found in northeast China,Finland and northern Amarica.
     区系地理成分复杂,热带-亚热带成分占8.33%,热带-温带成分占22.71%,温带成分占43.18%,世界广布成分占9.85%,青藏特有成分占14 39%,北极高山成分占1.51%.
短句来源
     Based on the analysis of the disposition in vertical structure of 177 dominant and frequent species in the forest and in other areas of the mountains, it shows that there are only Tropical Asia, Sino-Himalayan and Chinese endemic elements appearing in all the synusiae from the canopy to the ground layer, including A, B and C tree layers, shrub layer ground layer and inter-layers.
     从这类森林及相应地段中 177种优势和常见植物的种类结构分析看 ,只有热带亚洲成分、东亚中的中国 -喜马拉雅成分和中国特有成分贯穿乔木A、B、C层 ,灌木层 ,草本层和层外植物几大类中 ;
短句来源
     Based on the analysis of the disposition in vertical structure of 231 dominant and frequent species in the forest, it can be shown that there only are Tropical Asia, Sino-Himalayan and Chinese endemic elements penetrating all the synusiae from the canopy to the field layer, including A, B tree layers, shrub layer and so on.
     从这类森林中231种优势和常见植物的种类结构分析看,只有热带亚洲成分、东亚中的中国-喜马拉雅成分、和中国特有成分贯穿乔木A、B层,灌木层,草本层和层外植物几大类中;
短句来源
     (3) Chinese endemic elements are notable.
     ( 3 )中国特有成分显著 ,单种属、少种属较多 .
短句来源
更多       
  end emic elements
     The geographical elements of the flora of Clematis are rather simple, of which Chinese endemic elements are dominant, amounting to 68.6% of the total species from Hubei.
     湖北铁线莲属的地理成分以中国特有分布为主,中国特有成分占湖北种类总数的68.6%。
短句来源
     tropic-subtropic elements approximating to 8.33% of the entire flora in the region, tropic-temperate elements 22.71% , temperate elements 43. 18%, Cos-mopolitan elements 9.85% ,Qinghai-Xizang endemic elements 14. 39%,north polemoun-tain elements 1.51%. Temperate elements in this region are dominant. The dominant species of mires,Carex lasiocarpa,in this region is also found in northeast China,Finland and northern Amarica.
     区系地理成分复杂,热带-亚热带成分占8.33%,热带-温带成分占22.71%,温带成分占43.18%,世界广布成分占9.85%,青藏特有成分占14 39%,北极高山成分占1.51%.
短句来源
     Based on the analysis of the disposition in vertical structure of 177 dominant and frequent species in the forest and in other areas of the mountains, it shows that there are only Tropical Asia, Sino-Himalayan and Chinese endemic elements appearing in all the synusiae from the canopy to the ground layer, including A, B and C tree layers, shrub layer ground layer and inter-layers.
     从这类森林及相应地段中 177种优势和常见植物的种类结构分析看 ,只有热带亚洲成分、东亚中的中国 -喜马拉雅成分和中国特有成分贯穿乔木A、B、C层 ,灌木层 ,草本层和层外植物几大类中 ;
短句来源
     Based on the analysis of the disposition in vertical structure of 231 dominant and frequent species in the forest, it can be shown that there only are Tropical Asia, Sino-Himalayan and Chinese endemic elements penetrating all the synusiae from the canopy to the field layer, including A, B tree layers, shrub layer and so on.
     从这类森林中231种优势和常见植物的种类结构分析看,只有热带亚洲成分、东亚中的中国-喜马拉雅成分、和中国特有成分贯穿乔木A、B层,灌木层,草本层和层外植物几大类中;
短句来源
     (3) Chinese endemic elements are notable.
     ( 3 )中国特有成分显著 ,单种属、少种属较多 .
短句来源
更多       
  special component
     0-Hydroxy-trans-2-decenoic acid,the special component of royal jelly,is high in biological activity.
     10羟基-反-2-癸烯酸是蜂王浆中特有成分,具有高度牛物活性。
短句来源

 

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      endemic element
    The endemic element represents approximately 5% of the global diversity of the family at the species level.
          
      endemic elements
    In addition, there is a large number of typical tropical taxa, including pantropical and regional endemic elements.
          
    This formulation provides some flexibility in the way that rare or endemic elements are treated relative to more widespread types.
          
    The number of species and endemic elements are more numerous in the maritime Antarctic and there appear to be no endemic genera.
          
      special component
    A special component of the tensor product is the so-called Cartan component Vλ+μ which is the component with maximal highest weight.
          
    Reflective real-time component model is a special component model, which can identify timing constraint characteristics of component and support dynamic design-time amendment of real-time component according to users' requirements.
          
    The reflective real-time component runtime environment is a bearing space and reflective infrastructure for this special component model.
          
    A special component is isolated from Semen sinapis Albae (white mustard seed), a traditional Chinese medicine.
          
    The limited scientific information about infectious waste, and the heightened public awareness of this special component of the waste stream, have contributed to the implementation or strengthening of the regulations in this area.
          
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    The flora of the Dongting Lake region comprises 159 families, 402 genera, and 873 species. In hilly areas the main floristic components are the distribution types of Eats Asia-North America and of East Asia, and the distribution types of north temperate zone and the endemic of China are also important; but in lake areas and beach areas the type of cosmopolitan is the major component in the intrazonal vegetation. The vegetation can be divided into 62 communities, of which the evergreen broadleaved forest is the...

    The flora of the Dongting Lake region comprises 159 families, 402 genera, and 873 species. In hilly areas the main floristic components are the distribution types of Eats Asia-North America and of East Asia, and the distribution types of north temperate zone and the endemic of China are also important; but in lake areas and beach areas the type of cosmopolitan is the major component in the intrazonal vegetation. The vegetation can be divided into 62 communities, of which the evergreen broadleaved forest is the zonal. The floristic compositions, life forms, and the synusia structures in those three areas are strikingly different. The distribution patterns of the vegetation are also studied.

    湖南洞庭湖区为常绿阔叶林区,有植物种类159科492属873种,组成62个植物群落(lommunity)。其中东亚和北美分布型及东亚分布型两种成分在丘陵岗地上的地带性植被中作用显著,温带分布型与中国特有成分对其有明显影响。湖泊、洲滩的植被是隐域性的,主要由世界广布成分所构成。丘陵岗地、湖泊、洲滩三个类型系统,在植物群落类型与空间组合、植物区系与地理成分、生活型与层片等特征上,都存在着明显的分异。植被有在大区域内呈插花式镶嵌分布,在小区域或特定环境内按同心圆分布,在水生、湿生和中生三个生态系列上呈成带分布的特点。

    From prehistoric times, those exudates and extractives which could be readily obtained were used, and sometimes modified, to provide many of man's needs. Later, long term and cooperative studies by scientists in different countries isolated the effective compounds, elucidated their constitution, achieved their synthesis and biosynthesis, and determined some of the biological factors controlling their formation in plants. Many of the present-day developments in organic chemistry have resulted from these studies...

    From prehistoric times, those exudates and extractives which could be readily obtained were used, and sometimes modified, to provide many of man's needs. Later, long term and cooperative studies by scientists in different countries isolated the effective compounds, elucidated their constitution, achieved their synthesis and biosynthesis, and determined some of the biological factors controlling their formation in plants. Many of the present-day developments in organic chemistry have resulted from these studies commenced 175 years ago. Recent technological developments, rising standards of quality and cost competitiveness require raw materials with particular properties to meet specific needs. The current rapid technological developments limit international exports to low-cost, basic raw materials of appropriate quality, or to specific compounds for which there are no alternatives. In a world of reducing resources, greater attention must be given to the protection and maximum growth of renewable resources in selected regions and to the techniques producing the largest yields of the desired products. Greater understanding of chemistry, tree physiology and genetics is needed to achieve this aim.

    早在有史以前,人们已经利用那些易于获得的树木提取物为人类提供了许多必需品,以后,不同国家的科学家们经过长期互相协作研究,分离出其有效组分,阐明了它们的结构,作到了化学合成和生物合成,还确定了控制它们在植物中生成的某些生物因素。今天在有机化学上的许多进展都是从175年以前的这些研究中发展而来的。近年技术的发展,质量标准的提高以及价格竞争都要求有特殊性质的原料以满足特殊的需要。当今技术的迅速发展使国际间的出口局限于那些价格低廉、质量较高的基本原料,或具有不能替代的特有成分的产品。在资源日益减少的今日世界必须更重视特定地区再生资源的保护和最大限度的发展,以及生产所需产品的最有效的技术。为此目的,对树木的生理和化学还需要更深刻的认识。

    Mt. Dabie is situated in the area where the boundaries of three provinces (Anhui, Hubei, Henan)meet. Its summit of the highest peak(31~044'N, 106~022'E, Alt. 1774m)lies in Anhui. The northern part of Mr. Dabie in Anhui is the main part of the whole mountain and encompasses Jinzhai County, Huoshan County, and part of Shucheng County.Since this region is located at the transitional area between subtropic zone and warm temperate zone and at the confluence of three floristic provinces(E. China, C. China, N. China),...

    Mt. Dabie is situated in the area where the boundaries of three provinces (Anhui, Hubei, Henan)meet. Its summit of the highest peak(31~044'N, 106~022'E, Alt. 1774m)lies in Anhui. The northern part of Mr. Dabie in Anhui is the main part of the whole mountain and encompasses Jinzhai County, Huoshan County, and part of Shucheng County.Since this region is located at the transitional area between subtropic zone and warm temperate zone and at the confluence of three floristic provinces(E. China, C. China, N. China), the flora of this region is comparatively rich and varied in species. According to the preliminary statistics, the vascular flora comprises 1477 spp. (incl. ssp. and var. ) in 648 genera and 173 families. Of these, there are about 1380 species of seed plants, belonging to 595 gen. and 146 fam. In the 595 genera, there are 28 world monotypic genera, 77 oligotypic genera and 16 endemic Chinese genera. Most of them are phylogenetically ancient or primitive.The basic floristic features of this region are briefly summarized as follows: 1) The floristic elements are comparatively rich; 2) There are many ancient and relic elements in this region; 3)There are less endemics in this region; 4)The flora shows more obvious transition.The geographical distribution of seed plants of this region can be divided into 15 types., as follows Cosmopolitan (62 genera); Pantropical(97); Discontinuous between tropical America and tropical Asia(8); Old-world's tropical(20); Tropical Asia to tropical Oceania(17); Tropical Asia to tropical Africa(13);Tropical Asia (22); North temperate(131); Discontinuos between E. Asia and N. America (54); Eurasia temperate(46); Temperate Asia(11); Mediterranean, W. Asia to C. Asia (2); C. Asia (1); E. Asia(95); Endemic to China (16). Based on the geographical elements of this region, the genera of temperate and subtropic distributional patterns make up 66.8%, and the genera of tropics 33.2%.

    安徽大别山北坡是亚热带与暖温带的过渡地带和华东、华中、华北三大植物区系的交汇区,植物种类比较丰富。据初步统计,该区有维管植物173科648属1477种,其中种子植物有146科595属1380种。该区植物区系具有下列基本特点:1)区系成分比较丰富;2)古老和孑遗成分繁多;3)特有成分较少;4)区系成分过渡性明显。该区种子植物可区分为15种地理成分(分布区类型),其中热带分布的属占33.2%,温带和亚热带分布的属占66.8%。

     
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