助手标题
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
共[4323]条 当前为第1条到20条[由于搜索限制,当前仅支持显示前5页数据]
 

相关语句
in china
The studies over forty years on rare earth catalysts in polymer syntheses of diene, alkyne, alkylene oxide, thiirane, carbon dioxide copolymerization, lactide, caprolactone, cyclic carbonate and so forth in China have been reviewed.
      
Finally, the practical and comparative experiments were made over Hefei City in China.
      
involucrata populations, which is similar to that of the endangered tree species Liriodendron chinense and Cathaya argyrophylla in China, but different from more widely distributed tree species.
      
Hepatacodium miconioides is the Class II protected plant species in China.
      
In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros in China were fingerprinted using amplified fragment length polymorphism (AFLP) markers.
      
Canonical Correlation Analysis (CCA) was applied on the research data of five geographical-climatic factors and 18 phenotypic characters of 729 trees of 24 populations of Melia azedarach distributed in China.
      
The bamboo Fargesia nitida, one of the giant panda's main food sources and the dominant shrub species of the forest understory, is mainly distributed in the dark coniferous belt in western Sichuan and southern Gansu in China.
      
This paper took the upper-lower wide belt sander B229 with four-feet wide belts, manufactured in China, as the study target.
      
In China, the genus distributes in 20 provinces, especially abundant in the Hengduan Mountains.
      
This pest mainly distributed in partial Asian countries (China, Japan, Korea, Mongolia) and Far East Russia, while in China it presented in Heilongjiang, Jilin, Liaoning, Shandong, Inner Mongolia, Hebei, Taiwan Provinces and Tianjin City, etc.
      
Masson pine from Zhejiang Province in China had the highest organic acid exudation.
      
The multiform investments on eco-environment and urbanization development in China will benefit vegetation restoration.
      
Compared with other forest types in China (11.4%-36.5%), the ratio of the canopy interception in the virgin pine forest was at a medium level.
      
Mosses cover most of the forest floor of subalpine forests at the eastern edge of the Qinghai-Tibetan Plateau, the origin of many important rivers in China.
      
The main achievements in the past 24 years and the prospects of mechanism research in China
      
Since 1982, the symposiums on mechanism in China has been held fifteen times.
      
However, there are not many original and breakthrough research achievements of fundamental research in China.
      
However, this classification has long been a source of confusion for forest ecologists in China.
      
It is expected that this review will help facilitate the development of standardized definition and classification suitable to forest ecosystems in China.
      
East China lies in the subtropical monsoon climatic zone and is dominated by subtropical evergreen broad-leaved forests, a unique vegetation type mainly distributed in East Asia with the largest distribution in China.
      
 

首页上一页12345下一页尾页 

 
CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社