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[454]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
larval growth
Considerable differences were found in salinity tolerance of adult periwinkles, larval growth and survival, and morphology of the egg capsules.
      
A temperature of 20°C promoted an enhanced larval growth and development.
      
Though a temperature of 20°C caused enhanced larval growth, the temperature was not optimal, while its effect caused quality diversity of larval development, owing to the difference in their growth rates.
      
In turn, anomalies of the mouthparts have an effect on the rate of larval growth and development and on the survival of tadpoles in the period of the metamorphic climax.
      
None antiparasitic effect of ABCD on larval growth was determined.
      
Larval growth is relatively fast and metamorphosis occurred after between 40 and 60 days at 19C +- 1C in the laboratory.
      
Larval growth was higher in spring than in winter and differed between populations and years.
      
We investigated the effects of various salinities on larval growth, metamorphosis and survival in the green and golden bell frog (Litoria aurea).
      
Likewise, larval growth decelerated in the former.
      
The biology of adults and foam nests is well known but larval growth is little studied, with previous estimates of 40-60 days to metamorphosis.
      
Effect of different heavy-metal concentrations on Drosophila melanogaster larval growth and development
      
Compared with 30°, the rates of pupal growth are reduced 18 times at 15°, 5 times at 17.5° and 3 1/2 times at 20°, and those of larval growth by 12 times at 17.5° and by 4, 6 and 10 times over successive 28 day periods at 20°.
      
On the other hand, larval growth was not improved by addition of 2,4-D to a diet of sterilized rice stems.
      
Because of the importance of nitrogenous compounds for larval growth, the improved growth on 2,4-D treated plants was apparently caused by the increased nitrogen content of the plants, and not as a direct effect of 2,4-D itself.
      
These data suggested that another factor, present in wheat germ, was required for optimal larval growth.
      
In most eucalypts there is ample time for larval growth but some species whose flowers do not last long may cause high larval mortality.
      
The insect's requirements for protein, a mineral mixture, and L-ascorbic acid were studied using a bioassay based on larval growth rate and adult wing condition.
      
Lower temperature than the optimum, however, delayed larval growth but induced no diapause.
      
A preliminary field experiment on the inhibition of larval growth of Dacus oleae by streptomycin
      
Inhibition of larval growth ofDacus oleae (Diptera: Tephritidae) by streptomycin
      
 

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